diff --git a/F3:F303/Multistepper/pdnuart.c.dma b/F3:F303/Multistepper/pdnuart.c.dma new file mode 100644 index 0000000..c75ae8c --- /dev/null +++ b/F3:F303/Multistepper/pdnuart.c.dma @@ -0,0 +1,230 @@ +/* + * This file is part of the multistepper project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +#include "hardware.h" +#include "proto.h" + +extern volatile uint32_t Tms; + +#define MAXBUFLEN (8) +// Rx timeout, ms +#define PDNUART_TIMEOUT (20) + +// buffers format: 0 - sync+reserved, 1 - address (0..3 - slave, 0xff - master) +// 2 - register<<1 | RW, 3 - CRC (r) or [ 3..6 - MSB data, 7 - CRC ] +// buf[0] - USART2, buf[1] - USART3 +static uint8_t inbuf[2][MAXBUFLEN], outbuf[2][MAXBUFLEN]; +static uint8_t Taccess[2] = {0}; // last access time +static int curslaveaddr[2] = {-1, -1}; // current slave address for each USART (0..3) +static uint8_t notfound = 0; // not found mask (LSB - 0, MSB - 7) +static uint8_t readrq[2] = {0}; // ==1 for read request (after send wait to read) + +// UART states +typedef enum{ + PDU_IDLE, + PDU_TX, + PDU_TXREADY, + PDU_RX, + PDU_RXREADY +} pdnuart_state; +static pdnuart_state state[2] = {PDU_IDLE, PDU_IDLE}; + +// datalen == 3 for read request or 7 for writing +static void calcCRC(int no, int datalen){ + uint8_t crc = 0; + for(int i = 0; i < datalen; ++i){ + uint8_t currentByte = outbuf[no][i]; + for(int j = 0; j < 8; ++j){ + if((crc >> 7) ^ (currentByte & 0x01)) crc = (crc << 1) ^ 0x07; + else crc <<= 1; + currentByte = currentByte >> 1; + } + } + outbuf[no][datalen] = crc; +} + +static volatile DMA_Channel_TypeDef *TxDMA[2] = {DMA1_Channel7, DMA1_Channel2}; +static volatile DMA_Channel_TypeDef *RxDMA[2] = {DMA1_Channel6, DMA1_Channel3}; +static volatile USART_TypeDef *USART[2] = {USART2, USART3}; + +static void setup_usart(int no){ + USART[no]->ICR = 0xffffffff; // clear all flags + TxDMA[no]->CCR = 0; + TxDMA[no]->CPAR = (uint32_t) &USART[no]->TDR; // periph + TxDMA[no]->CCR |= DMA_CCR_MINC | DMA_CCR_DIR | DMA_CCR_TCIE; // 8bit, mem++, mem->per, transcompl irq + RxDMA[no]->CCR = 0; + RxDMA[no]->CPAR = (uint32_t) &USART[no]->RDR; // periph + RxDMA[no]->CCR |= DMA_CCR_MINC | DMA_CCR_TCIE; // 8bit, mem++, per->mem, transcompl irq + USART[no]->BRR = 72000000 / 256000; // 256 kbaud + USART[no]->CR3 = USART_CR3_DMAT | USART_CR3_DMAR | USART_CR3_HDSEL; // enable DMA Tx/Rx, single wire + USART[no]->CR1 = USART_CR1_TE | USART_CR1_RE | USART_CR1_UE; // 1start,8data,nstop; enable Rx,Tx,USART + uint32_t tmout = 16000000; + while(!(USART[no]->ISR & USART_ISR_TC)){if(--tmout == 0) break;} // polling idle frame Transmission + USART[no]->ICR = 0xffffffff; // clear all flags again +} + +// USART2 (ch0..3): DMA1ch6 (Rx), DMA1_ch7 (Tx) +// USART3 (ch4..7): DMA1ch3 (Rx), DMA1_ch2 (Tx) +// pins are setting up in `hardware.c` +void pdnuart_setup(){ + RCC->APB1ENR |= RCC_APB1ENR_USART2EN | RCC_APB1ENR_USART3EN; + RCC->AHBENR |= RCC_AHBENR_DMA1EN; + setup_usart(0); + setup_usart(1); + NVIC_EnableIRQ(DMA1_Channel2_IRQn); + NVIC_EnableIRQ(DMA1_Channel3_IRQn); + NVIC_EnableIRQ(DMA1_Channel6_IRQn); + NVIC_EnableIRQ(DMA1_Channel7_IRQn); +} + +static int rwreg(uint8_t motorno, uint8_t reg, uint32_t data, int w){ + if(motorno >= MOTORSNO || reg & 0x80) return FALSE; + int no = motorno >> 2; + if(state[no] != PDU_IDLE) return FALSE; + outbuf[no][0] = 0xa0; + outbuf[no][1] = curslaveaddr[no] = motorno - (no << 2); + outbuf[no][2] = reg << 1; + int nbytes = 3; + if(w){ + outbuf[no][2] |= 1; + for(int i = 6; i > 2; --i){ + outbuf[no][i] = data & 0xff; + data >>= 8; + } + nbytes = 7; + readrq[no] = 0; + }else{ + readrq[no] = 1; + } + calcCRC(no, nbytes); + TxDMA[no]->CMAR = (uint32_t) outbuf[no]; + TxDMA[no]->CNDTR = nbytes + 1; + TxDMA[no]->CCR |= DMA_CCR_EN; // start transmission + state[no] = PDU_TX; + Taccess[no] = Tms; + return TRUE; +} + +// return FALSE if failed +int pdnuart_writereg(uint8_t motorno, uint8_t reg, uint32_t data){ + return rwreg(motorno, reg, data, 1); +} + +// return FALSE if failed +int pdnuart_readreg(uint8_t motorno, uint8_t reg){ + return rwreg(motorno, reg, 0, 0); +} + +static void disableDMA(int no){ + TxDMA[no]->CCR &= ~DMA_CCR_EN; + RxDMA[no]->CCR &= ~DMA_CCR_EN; + readrq[no] = 0; + state[no] = PDU_IDLE; +} + +static void parseRx(int no){ + USB_sendstr("Got from "); + USB_putbyte('#'); printu(curslaveaddr[no] + no*4); USB_sendstr(": "); + for(int i = 0; i < 8; ++i){ + printuhex(inbuf[no][i]); USB_putbyte(' '); + } + newline(); +} + +void pdnuart_poll(){ + for(int i = 0; i < 2; ++i){ + int showno = 0; + uint32_t time = Tms - Taccess[i]; + switch(state[i]){ + case PDU_TX: + if(time > PDNUART_TIMEOUT){ + USB_sendstr("PDN/UART timeout: Tx problem "); + showno = 1; + disableDMA(i); + } + break; + case PDU_TXREADY: + USB_sendstr("Tx ready "); + showno = 1; + break; + case PDU_RX: + if(time > PDNUART_TIMEOUT){ + USB_sendstr("PDN/UART timeout: no answer "); + notfound |= 1 << (curslaveaddr[i] + 4*i); + showno = 1; + disableDMA(i); + } + break; + case PDU_RXREADY: + parseRx(i); + state[i] = PDU_IDLE; // DMA already turned off + break; + default: // IDLE + return; + } + if(showno){ + USB_putbyte('#'); printu(curslaveaddr[i] + 4*i); newline(); + } + } +} + +// USART2 Tx complete -> prepare Rx +void dma1_channel7_isr(){ + DMA1_Channel7->CCR &= ~DMA_CCR_EN; + DMA1->IFCR |= DMA_IFCR_CTCIF7; + if(!readrq[0]){ // there was a setter + state[0] = PDU_TXREADY; + return; + } + DMA1_Channel6->CMAR = (uint32_t) inbuf[0]; + DMA1_Channel6->CCR |= DMA_CCR_EN; + DMA1_Channel6->CNDTR = MAXBUFLEN; + state[0] = PDU_RX; + Taccess[0] = Tms; +} + +// USART3 Tx complete -> prepare Rx +void dma1_channel2_isr(){ + DMA1_Channel2->CCR &= ~DMA_CCR_EN; + DMA1->IFCR |= DMA_IFCR_CTCIF2; + if(!readrq[1]){ // there was a setter + state[1] = PDU_TXREADY; + return; + } + DMA1_Channel3->CMAR = (uint32_t) inbuf[1]; + DMA1_Channel3->CCR |= DMA_CCR_EN; + DMA1_Channel3->CNDTR = MAXBUFLEN; + state[1] = PDU_RX; + Taccess[1] = Tms; +} + +// USART2 Rx complete -> set flag +void dma1_channel6_isr(){ + DMA1_Channel6->CCR &= ~DMA_CCR_EN; + DMA1->IFCR |= DMA_IFCR_CTCIF6; + state[0] = PDU_RXREADY; +} + +// USART3 Rx complete -> set flag +void dma1_channel3_isr(){ + DMA1_Channel3->CCR &= ~DMA_CCR_EN; + DMA1->IFCR |= DMA_IFCR_CTCIF3; + state[1] = PDU_RXREADY; +} diff --git a/F3:F303/NitrogenFlooding/Makefile b/F3:F303/NitrogenFlooding/Makefile new file mode 100644 index 0000000..eb27ee2 --- /dev/null +++ b/F3:F303/NitrogenFlooding/Makefile @@ -0,0 +1,9 @@ +BINARY := nitrogen +# MCU code +MCU := F302xc +# change this linking script depending on particular MCU model, +LDSCRIPT := stm32f302xB.ld +DEFINES := -DUSB1_16 + +include ../makefile.f3 +include ../../makefile.stm32 diff --git a/F3:F303/NitrogenFlooding/Readme.md b/F3:F303/NitrogenFlooding/Readme.md new file mode 100644 index 0000000..19388ee --- /dev/null +++ b/F3:F303/NitrogenFlooding/Readme.md @@ -0,0 +1,204 @@ +Automated liquid nitrogen flooding machine +==================================== + +# Pinout + +(all GPIO outs are push-pull if not mentioned another) + +### Sorted by pin number + +|**Pin #**|**Pin name **| **function**| **settings**|**comment ** | +|---------|-------------|-------------|-------------|------------------| +| 1 | PE2 | PWM0 | AF2 | TIM3 channels | +| 2 | PE3 | PWM1 | AF2 | as PWM output | +| 3 | PE4 | PWM2 | AF2 | | +| 4 | PE5 | PWM3 | AF2 | | +| 5 | PE6 | - | - | | +| 6 | (vbat) | | | | +| 7 | PC13 | - | - | | +| 8 | PC14 | - | - | | +| 9 | PC15 | - | - | | +| 10 | PF9 | - | - | | +| 11 | PF10 | VadcON | slow out | turn ON ADC power| +| 12 | PF0 | OSC IN | | | +| 13 | PF1 | OSC OUT | | | +| 14 | (nrst) | | | | +| 15 | PC0 | ADC5 | ADC1 in 6 | Thermometers | +| 16 | PC1 | ADC6 | ADC1 in 7 | (level-meter) | +| 17 | PC2 | ADC7 | ADC1 in 8 | ADC channels | +| 18 | PC3 | ADC8 | ADC1 in 9 | | +| 19 | PF2 | ADC9 | ADC1 in 10 | | +| 20 | (VSSA) | | | | +| 21 | (VREF+) | | | | +| 22 | (VDDA) | | | | +| 23 | PA0 | ADC0 | ADC1 in1 | | +| 24 | PA1 | ADC1 | ADC1 in2 | | +| 25 | PA2 | ADC2 | ADC1 in3 | | +| 26 | PA3 | ADC3 | ADC1 in4 | | +| 27 | PF4 | ADC4 | ADC1 in5 | | +| 28 | (VDD) | | | | +| 29 | PA4 | ADC ext. | ADC2 in1 | ext. ADC channel | +| 30 | PA5 | - | - | | +| 31 | PA6 | - | - | | +| 32 | PA7 | - | - | | +| 33 | PC4 | - | - | External USART | +| 34 | PC5 | - | - | | +| 35 | PB0 | Buzzer | slow out | Signal buzzer | +| 36 | PB1 | - | - | | +| 37 | PB2 | - | - | | +| 38 | PE7 | - | - | | +| 39 | PE8 | LED0 | slow out | External LEDs | +| 40 | PE9 | LED1 | slow out | | +| 41 | PE10 | LED2 | slow out | | +| 42 | PE11 | LED3 | slow out | | +| 43 | PE12 | - | - | | +| 44 | PE13 | - | - | | +| 45 | PE14 | - | - | | +| 46 | PE15 | - | - | | +| 47 | PB10 | SCRN DCRS | slow out | Screen data/cmd | +| 48 | PB11 | SCRN RST | slow out | Screen reset | +| 49 | (VSS) | | | | +| 50 | (VDD) | | | | +| 51 | PB12 | SCRN NSS | slow out | Screen activate | +| 52 | PB13 | SCRN SCK | AF5 | SPI for screen | +| 53 | PB14 | SCRN MISO | AF5 | | +| 54 | PB15 | SCRN MOSI | AF5 | | +| 55 | PD8 | - | - | | +| 56 | PD9 | BTN0 | slow in PU | User buttons | +| 57 | PD10 | BTN1 | slow in PU | | +| 58 | PD11 | BTN2 | slow in PU | | +| 59 | PD12 | BTN3 | slow in PU | | +| 60 | PD13 | BTN4 | slow in PU | | +| 61 | PD14 | BTN5 | slow in PU | | +| 62 | PD15 | BTN6 | slow in PU | | +| 63 | PC6 | - | - | | +| 64 | PC7 | - | - | | +| 65 | PC8 | - | - | | +| 66 | PC9 | USB PU | slow out | USB DP pullup | +| 67 | PA8 | - | - | | +| 68 | PA9 | SCL | AF4 (I2C2) | external ADC | +| 69 | PA10 | SDA | AF4 | | +| 70 | PA11 | USB DM | AF14 | USB | +| 71 | PA12 | USB DP | AF14 | | +| 72 | PA13 | SWDIO | dflt | dbg | +| 73 | PF6 | - | - | | +| 74 | (VSS) | | | | +| 75 | (VDD) | | | | +| 76 | PA14 | SWCLK | dflt | dbg | +| 77 | PA15 | - | - | | +| 78 | PC10 | Tx | AF7 (USART3)| Ext. UART | +| 79 | PC11 | Rx | AF7 | (alt.: AF5 - U4)| +| 80 | PC12 | - | - | | +| 81 | PD0 | CAN Rx | AF7 (CAN) | CAN bus | +| 82 | PD1 | CAN Tx | AF7 | | +| 83 | PD2 | - | - | | +| 84 | PD3 | - | - | | +| 85 | PD4 | DE | slow out | 0-rx, 1-tx (485) | +| 86 | PD5 | U2Tx | AF7 | RS-485 | +| 87 | PD6 | U2Rx | AF7 | | +| 88 | PD7 | - | - | | +| 89 | PB3 | - | - | | +| 90 | PB4 | - | - | | +| 91 | PB5 | - | - | | +| 92 | PB6 | I2C1 SCL | AF4 (I2C1) | I2C for BME280 | +| 93 | PB7 | I2C1 SDA | AF4 | | +| 94 | (BOOT0) | | | boot mode | +| 95 | PB8 | - | - | | +| 96 | PB9 | - | - | | +| 97 | PE0 | - | - | | +| 98 | PE1 | - | - | | +| 99 | (VSS) | | | | +| 100 | (VDD) | | | | + + +### Sorted by port +// sort -Vk4 Readme.md + +|**Pin #**|**Pin name **| **function**| **settings**|**comment ** | +| 23 | PA0 | ADC0 | ADC1 in1 | | +| 24 | PA1 | ADC1 | ADC1 in2 | | +| 25 | PA2 | ADC2 | ADC1 in3 | | +| 26 | PA3 | ADC3 | ADC1 in4 | | +| 29 | PA4 | ADC ext. | ADC2 in1 | ext. ADC channel | +| 30 | PA5 | - | - | | +| 31 | PA6 | - | - | | +| 32 | PA7 | - | - | | +| 67 | PA8 | - | - | | +| 68 | PA9 | SCL | AF4 (I2C2) | external ADC | +| 69 | PA10 | SDA | AF4 | | +| 70 | PA11 | USB DM | AF14 | USB | +| 71 | PA12 | USB DP | AF14 | | +| 72 | PA13 | SWDIO | AF0 | dbg | +| 76 | PA14 | SWCLK | AF0 | dbg | +| 77 | PA15 | - | - | | +| 35 | PB0 | Buzzer | slow out | Signal buzzer | +| 36 | PB1 | - | - | | +| 37 | PB2 | - | - | | +| 89 | PB3 | - | - | | +| 90 | PB4 | - | - | | +| 91 | PB5 | - | - | | +| 92 | PB6 | I2C1 SCL | AF4 (I2C1) | I2C for BME280 | +| 93 | PB7 | I2C1 SDA | AF4 | | +| 95 | PB8 | - | - | | +| 96 | PB9 | - | - | | +| 47 | PB10 | SCRN DCRS | slow out | Screen data/cmd | +| 48 | PB11 | SCRN RST | slow out | Screen reset | +| 51 | PB12 | SCRN NSS | slow out | Screen activate | +| 52 | PB13 | SCRN SCK | AF5 | SPI for screen | +| 53 | PB14 | SCRN MISO | AF5 | | +| 54 | PB15 | SCRN MOSI | AF5 | | +| 15 | PC0 | ADC5 | ADC1 in 6 | Thermometers | +| 16 | PC1 | ADC6 | ADC1 in 7 | (level-meter) | +| 17 | PC2 | ADC7 | ADC1 in 8 | ADC channels | +| 18 | PC3 | ADC8 | ADC1 in 9 | | +| 33 | PC4 | - | - | External USART | +| 34 | PC5 | - | - | | +| 63 | PC6 | - | - | | +| 64 | PC7 | - | - | | +| 65 | PC8 | - | - | | +| 66 | PC9 | USB PU | slow out | USB DP pullup | +| 78 | PC10 | Tx | AF7 (USART3)| Ext. UART | +| 79 | PC11 | Rx | AF7 | (alt.: AF5 - U4)| +| 80 | PC12 | - | - | | +| 7 | PC13 | - | - | | +| 8 | PC14 | - | - | | +| 9 | PC15 | - | - | | +| 81 | PD0 | CAN Rx | AF7 (CAN) | CAN bus | +| 82 | PD1 | CAN Tx | AF7 | | +| 83 | PD2 | - | - | | +| 84 | PD3 | - | - | | +| 85 | PD4 | DE | slow out | 0-rx, 1-tx (485) | +| 86 | PD5 | U2Tx | AF7 | RS-485 | +| 87 | PD6 | U2Rx | AF7 | | +| 88 | PD7 | - | - | | +| 55 | PD8 | - | - | | +| 56 | PD9 | BTN0 | slow in PU | User buttons | +| 57 | PD10 | BTN1 | slow in PU | | +| 58 | PD11 | BTN2 | slow in PU | | +| 59 | PD12 | BTN3 | slow in PU | | +| 60 | PD13 | BTN4 | slow in PU | | +| 61 | PD14 | BTN5 | slow in PU | | +| 62 | PD15 | BTN6 | slow in PU | | +| 97 | PE0 | - | - | | +| 98 | PE1 | - | - | | +| 1 | PE2 | PWM0 | AF2 | TIM3 channels | +| 2 | PE3 | PWM1 | AF2 | as PWM output | +| 3 | PE4 | PWM2 | AF2 | | +| 4 | PE5 | PWM3 | AF2 | | +| 5 | PE6 | - | - | | +| 38 | PE7 | - | - | | +| 39 | PE8 | LED0 | slow out | External LEDs | +| 40 | PE9 | LED1 | slow out | | +| 41 | PE10 | LED2 | slow out | | +| 42 | PE11 | LED3 | slow out | | +| 43 | PE12 | - | - | | +| 44 | PE13 | - | - | | +| 45 | PE14 | - | - | | +| 46 | PE15 | - | - | | +| 12 | PF0 | OSC IN | | | +| 13 | PF1 | OSC OUT | | | +| 19 | PF2 | ADC9 | ADC1 in 10 | | +| 73 | PF6 | - | - | | +| 10 | PF9 | - | - | | +| 11 | PF10 | VadcON | slow out | turn ON ADC power| +|---------|-------------|-------------|-------------|------------------| diff --git a/F3:F303/NitrogenFlooding/adc.c b/F3:F303/NitrogenFlooding/adc.c new file mode 100644 index 0000000..e28f50b --- /dev/null +++ b/F3:F303/NitrogenFlooding/adc.c @@ -0,0 +1,156 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "adc.h" +#ifdef EBUG +#include "proto.h" +#endif + +/** + * @brief ADCx_array - arrays for ADC channels with median filtering: + * ADC1: + * 0..9 - AIN0..9 (ADC1_IN1..10) + * 4 - internal Tsens - ADC1_IN16 + * ADC2: + * 6 - AINext - (ADC2 in 1) + */ +static uint16_t ADC_array[NUMBER_OF_ADC_CHANNELS*9]; + +TRUE_INLINE void calADC(ADC_TypeDef *chnl){ + // calibration + // enable voltage regulator + chnl->CR = 0; + chnl->CR = ADC_CR_ADVREGEN_0; + // wait for 10us + uint16_t ctr = 0; + while(++ctr < 1000){nop();} + // ADCALDIF=0 (single channels) + if((chnl->CR & ADC_CR_ADEN)){ + chnl->CR |= ADC_CR_ADSTP; + chnl->CR |= ADC_CR_ADDIS; + } + chnl->CR |= ADC_CR_ADCAL; + while((chnl->CR & ADC_CR_ADCAL) != 0 && ++ctr < 0xfff0){}; + chnl->CR = ADC_CR_ADVREGEN_0; + // enable ADC + ctr = 0; + do{ + chnl->CR |= ADC_CR_ADEN; + }while((chnl->ISR & ADC_ISR_ADRDY) == 0 && ++ctr < 0xfff0); +} + +TRUE_INLINE void enADC(ADC_TypeDef *chnl){ + // ADEN->1, wait ADRDY + chnl->CR |= ADC_CR_ADEN; + uint16_t ctr = 0; + while(!(chnl->ISR & ADC_ISR_ADRDY) && ++ctr < 0xffff){} + chnl->CR |= ADC_CR_ADSTART; /* start the ADC conversions */ +} + +/** + * ADC1 - DMA1_ch1 + * ADC2 - DMA2_ch1 + */ +// Setup ADC and DAC +void adc_setup(){ + RCC->AHBENR |= RCC_AHBENR_ADC12EN; // Enable clocking + ADC12_COMMON->CCR = ADC_CCR_TSEN | ADC_CCR_CKMODE; // enable Tsens, HCLK/4 + calADC(ADC1); + calADC(ADC2); + // ADC1: channels 1-10,16; ADC2: channel 1 + ADC1->SMPR1 = ADC_SMPR1_SMP1 | ADC_SMPR1_SMP2 | ADC_SMPR1_SMP3 | ADC_SMPR1_SMP4 | ADC_SMPR1_SMP5 + | ADC_SMPR1_SMP6 | ADC_SMPR1_SMP7 | ADC_SMPR1_SMP8 | ADC_SMPR1_SMP9 ; + ADC1->SMPR2 = ADC_SMPR2_SMP10 | ADC_SMPR2_SMP16; + // 11 conversions in group: 1...10->16 + ADC1->SQR1 = (1<<6) | (2<<12) | (3<<18) | (4<<24) | (NUMBER_OF_ADC1_CHANNELS-1); + ADC1->SQR2 = (5<<0) | (6<<6) | (7<<12) | (8<<18) | (9<<24); + ADC1->SQR3 = (10<<0)| (16<<6); + ADC2->SMPR1 = ADC_SMPR1_SMP1; + ADC2->SQR1 = (1<<6) | (NUMBER_OF_ADC2_CHANNELS-1); + // configure DMA for ADC + RCC->AHBENR |= RCC_AHBENR_DMA1EN | RCC_AHBENR_DMA2EN; + ADC1->CFGR = ADC_CFGR_CONT | ADC_CFGR_DMAEN | ADC_CFGR_DMACFG; + ADC2->CFGR = ADC_CFGR_CONT | ADC_CFGR_DMAEN | ADC_CFGR_DMACFG; + DMA1_Channel1->CPAR = (uint32_t) (&(ADC1->DR)); + DMA1_Channel1->CMAR = (uint32_t)(ADC_array); + DMA1_Channel1->CNDTR = NUMBER_OF_ADC1_CHANNELS * 9; + DMA1_Channel1->CCR |= DMA_CCR_MINC | DMA_CCR_MSIZE_0 | DMA_CCR_PSIZE_0 | DMA_CCR_CIRC; + DMA1_Channel1->CCR |= DMA_CCR_EN; + + DMA2_Channel1->CPAR = (uint32_t) (&(ADC2->DR)); + DMA2_Channel1->CMAR = (uint32_t)(&ADC_array[ADC2START]); + DMA2_Channel1->CNDTR = NUMBER_OF_ADC2_CHANNELS * 9; + DMA2_Channel1->CCR |= DMA_CCR_MINC | DMA_CCR_MSIZE_0 | DMA_CCR_PSIZE_0 | DMA_CCR_CIRC; + DMA2_Channel1->CCR |= DMA_CCR_EN; + + enADC(ADC1); + enADC(ADC2); +} + +/** + * @brief getADCval - calculate median value for `nch` channel + * @param nch - number of channel + * @return + */ +uint16_t getADCval(int nch){ + register uint16_t temp; +#define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); } +#define PIX_SWAP(a,b) { temp=(a);(a)=(b);(b)=temp; } + uint16_t p[9]; + int adval = (nch >= NUMBER_OF_ADC1_CHANNELS) ? NUMBER_OF_ADC2_CHANNELS : NUMBER_OF_ADC1_CHANNELS; + int addr = (nch >= NUMBER_OF_ADC1_CHANNELS) ? nch - NUMBER_OF_ADC2_CHANNELS + ADC2START: nch; + for(int i = 0; i < 9; ++i, addr += adval) // first we should prepare array for optmed + p[i] = ADC_array[addr]; + PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ; + PIX_SORT(p[0], p[1]) ; PIX_SORT(p[3], p[4]) ; PIX_SORT(p[6], p[7]) ; + PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ; + PIX_SORT(p[0], p[3]) ; PIX_SORT(p[5], p[8]) ; PIX_SORT(p[4], p[7]) ; + PIX_SORT(p[3], p[6]) ; PIX_SORT(p[1], p[4]) ; PIX_SORT(p[2], p[5]) ; + PIX_SORT(p[4], p[7]) ; PIX_SORT(p[4], p[2]) ; PIX_SORT(p[6], p[4]) ; + PIX_SORT(p[4], p[2]) ; +#undef PIX_SORT +#undef PIX_SWAP +#ifdef EBUG + DBG("val: "); printu(p[4]); newline(); +#endif + return p[4]; +} + +// get voltage @input nch (V) +float getADCvoltage(int nch){ + float v = getADCval(nch) * 3.3; + v /= 4096.f; // 12bit ADC +#ifdef EBUG + DBG("v="); printf(v); newline(); +#endif + return v; +} + +// return MCU temperature (degrees of celsius) +float getMCUtemp(){ + // make correction on Vdd value + int32_t ADval = getADCval(ADC_TSENS); + float temperature = ADval - (float) *TEMP30_CAL_ADDR; + temperature *= (110.f - 30.f); + temperature /= (float)(*TEMP110_CAL_ADDR - *TEMP30_CAL_ADDR); + temperature += 30.f; +#ifdef EBUG + DBG("t="); printf(temperature); newline(); +#endif + return(temperature); +} diff --git a/F3:F303/NitrogenFlooding/adc.h b/F3:F303/NitrogenFlooding/adc.h new file mode 100644 index 0000000..a08e5c9 --- /dev/null +++ b/F3:F303/NitrogenFlooding/adc.h @@ -0,0 +1,52 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once +#include + +// ADC1 channels +#define NUMBER_OF_ADC1_CHANNELS (11) +// ADC2 channels +#define NUMBER_OF_ADC2_CHANNELS (1) +// total number of channels - for array +#define NUMBER_OF_ADC_CHANNELS ((NUMBER_OF_ADC1_CHANNELS+NUMBER_OF_ADC2_CHANNELS)) + + +// ADC1 in1..10 - inner and outern Tsens; ADC2 in1 - ext ADC +// channels of ADC in array +#define ADC_AIN0 (0) +#define ADC_AIN1 (1) +#define ADC_AIN2 (2) +#define ADC_AIN3 (3) +#define ADC_AIN4 (4) +#define ADC_AIN5 (5) +#define ADC_AIN6 (6) +#define ADC_AIN7 (7) +#define ADC_AIN8 (8) +#define ADC_AIN9 (9) +#define MERG(a,b) a ## b +#define ADC_CHAN(x) MERG(ADC_AIN, x) +#define ADC_TSENS (10) +#define ADC_EXT (11) +// starting index of ADC2 +#define ADC2START (9*NUMBER_OF_ADC1_CHANNELS) + +void adc_setup(); +float getMCUtemp(); +uint16_t getADCval(int nch); +float getADCvoltage(int nch); diff --git a/F3:F303/NitrogenFlooding/hardware.c b/F3:F303/NitrogenFlooding/hardware.c new file mode 100644 index 0000000..d03dc31 --- /dev/null +++ b/F3:F303/NitrogenFlooding/hardware.c @@ -0,0 +1,120 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "hardware.h" + +int LEDsON = 0; + +// setup here ALL GPIO pins (due to table in Readme.md) +// leave SWD as default AF; high speed for CLK and some other AF; med speed for some another AF +TRUE_INLINE void gpio_setup(){ + RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN + | RCC_AHBENR_GPIOEEN | RCC_AHBENR_GPIOFEN; + // enable PWM timer TIM3 + RCC->APB1ENR |= RCC_APB1ENR_TIM3EN; + for(int i = 0; i < 10000; ++i) nop(); + // PORT A + GPIOA->ODR = 0; + GPIOA->AFR[0] = 0; + GPIOA->AFR[1] = AFRf(4, 9) | AFRf(4, 10) | AFRf(14, 11) | AFRf(14,12); + GPIOA->MODER = MODER_AI(0) | MODER_AI(1) | MODER_AI(2) | MODER_AI(3) | MODER_AI(4) | + MODER_AF(9) | MODER_AF(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14); + GPIOA->OSPEEDR = OSPEED_HI(9) | OSPEED_HI(10) | OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14); + GPIOA->OTYPER = 0; + GPIOA->PUPDR = 0; + + // PORT B + GPIOB->ODR = 0; + GPIOB->AFR[0] = AFRf(4, 6) | AFRf(4, 7); + GPIOB->AFR[1] = AFRf(5, 13) | AFRf(5, 14) | AFRf(5, 15); + GPIOB->MODER = MODER_O(0) | MODER_AF(6) | MODER_AF(7) | MODER_O(10) | MODER_O(11) | MODER_O(12) | MODER_AF(13) + | MODER_AF(14) | MODER_AF(15); + GPIOB->OSPEEDR = OSPEED_HI(6) | OSPEED_HI(7) | OSPEED_MED(13) | OSPEED_MED(14) | OSPEED_MED(15); + GPIOB->OTYPER = 0; + GPIOB->PUPDR = 0; + + // PORT C + GPIOC->ODR = 0; + GPIOC->AFR[0] = 0; + GPIOC->AFR[1] = AFRf(7, 10) | AFRf(7, 11); + GPIOC->MODER = MODER_AI(0) | MODER_AI(1) | MODER_AI(2) | MODER_AI(3) | MODER_O(9) | MODER_AF(10) | MODER_AF(11); + GPIOC->OSPEEDR = OSPEED_HI(10); + GPIOC->OTYPER = 0; + GPIOC->PUPDR = 0; + + // PORT D + GPIOD->ODR = 0; + GPIOD->AFR[0] = AFRf(7, 0) | AFRf(7, 1) | AFRf(7, 5) | AFRf(7, 6); + GPIOD->AFR[1] = 0; + GPIOD->MODER = MODER_AF(0) | MODER_AF(1) | MODER_O(4) | MODER_AF(5) | MODER_AF(6) | MODER_I(9) + | MODER_I(10) | MODER_I(11) | MODER_I(12) | MODER_I(13) | MODER_I(14) | MODER_I(15); + GPIOD->OSPEEDR = OSPEED_HI(1) | OSPEED_HI(5); + GPIOD->OTYPER = 0; + GPIOD->PUPDR = PUPD_PU(9) | PUPD_PU(10) | PUPD_PU(11) | PUPD_PU(12) | PUPD_PU(13) | PUPD_PU(14) | PUPD_PU(15); + + // PORT E + GPIOE->ODR = 0; + GPIOE->AFR[0] = 0; + GPIOE->AFR[1] = AFRf(2, 2) | AFRf(2, 3) | AFRf(2, 4) | AFRf(2, 5); + GPIOE->MODER = MODER_AF(2) | MODER_AF(3) | MODER_AF(4) | MODER_AF(5) | MODER_O(8) | MODER_O(9) | MODER_O(10) | MODER_O(11); + GPIOE->OSPEEDR = 0; + GPIOE->OTYPER = 0; + GPIOE->PUPDR = 0; + + // PORT F + GPIOF->ODR = 0; + GPIOF->AFR[0] = 0; + GPIOF->AFR[1] = 0; + GPIOF->MODER = MODER_AI(2) | MODER_O(10); + GPIOF->OSPEEDR = 0; + GPIOF->OTYPER = 0; + GPIOF->PUPDR = 0; +} + +#ifndef EBUG +TRUE_INLINE void iwdg_setup(){ + uint32_t tmout = 16000000; + /* Enable the peripheral clock RTC */ + /* (1) Enable the LSI (40kHz) */ + /* (2) Wait while it is not ready */ + RCC->CSR |= RCC_CSR_LSION; /* (1) */ + while((RCC->CSR & RCC_CSR_LSIRDY) != RCC_CSR_LSIRDY){if(--tmout == 0) break;} /* (2) */ + /* Configure IWDG */ + /* (1) Activate IWDG (not needed if done in option bytes) */ + /* (2) Enable write access to IWDG registers */ + /* (3) Set prescaler by 64 (1.6ms for each tick) */ + /* (4) Set reload value to have a rollover each 2s */ + /* (5) Check if flags are reset */ + /* (6) Refresh counter */ + IWDG->KR = IWDG_START; /* (1) */ + IWDG->KR = IWDG_WRITE_ACCESS; /* (2) */ + IWDG->PR = IWDG_PR_PR_1; /* (3) */ + IWDG->RLR = 1250; /* (4) */ + tmout = 16000000; + while(IWDG->SR){if(--tmout == 0) break;} /* (5) */ + IWDG->KR = IWDG_REFRESH; /* (6) */ +} +#endif + +void hw_setup(){ + gpio_setup(); +#ifndef EBUG + iwdg_setup(); +#endif +} + diff --git a/F3:F303/NitrogenFlooding/hardware.h b/F3:F303/NitrogenFlooding/hardware.h new file mode 100644 index 0000000..40f55ec --- /dev/null +++ b/F3:F303/NitrogenFlooding/hardware.h @@ -0,0 +1,67 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include + +// "PCLK" frequency +// really APB1=36M -> TIM2/3/4/6/7 f=72M, APB2=72M -> TIM1/8/15/16/17/20 f=72M +#ifndef PCLK +#define PCLK (72000000) +#endif + +// USB pullup: PC9 +#define USBPU_port GPIOC +#define USBPU_pin (1<<9) +#define USBPU_ON() pin_clear(USBPU_port, USBPU_pin) +#define USBPU_OFF() pin_set(USBPU_port, USBPU_pin) + +// LEDs PE8, PE9, PE10, PE11 +#define CONC(a,b,c) a ## b ## c +#define MKPIN(a,n) CONC(a, n, _pin) +#define LEDs_port (GPIOE) +#define LEDS_AMOUNT (4) +#define LED0_pin (1<<8) +#define LED1_pin (1<<9) +#define LED2_pin (1<<10) +#define LED3_pin (1<<11) +#define LED_blink(x) do{if(LEDsON) pin_toggle(LEDs_port, 1<<(8+x));}while(0) +#define LED_off(x) do{pin_set(LEDs_port, 1<<(8+x));}while(0) +#define LED_on(x) do{if(LEDsON) pin_clear(LEDs_port, 1<<(8+x));}while(0) +#define LED_get(x) (LEDs_port->IDR & 1<<(8+x) ? 0 : 1) + +// Buttons amount +#define BTNSNO (7) +#define BTNs_port GPIOD +// Buttons: PD9, PD10, PD11, PD12, PD13, PD14, PD15: pullup (active - 0) +#define BTN0_pin (1<<9) +#define BTN1_pin (1<<10) +#define BTN2_pin (1<<11) +#define BTN3_pin (1<<12) +#define BTN4_pin (1<<13) +#define BTN5_pin (1<<14) +#define BTN6_pin (1<<15) +// state 0 - pressed, 1 - released +#define BTN_state(x) (BTNs_port->IDR & 1<<(9+x) ? 0 : 1) + +extern volatile uint32_t Tms; +extern int LEDsON; + +uint8_t MSB(uint16_t val); +void hw_setup(); diff --git a/F3:F303/NitrogenFlooding/pt1000.m b/F3:F303/NitrogenFlooding/kicad/pt1000.m similarity index 100% rename from F3:F303/NitrogenFlooding/pt1000.m rename to F3:F303/NitrogenFlooding/kicad/pt1000.m diff --git a/F3:F303/NitrogenFlooding/main.c b/F3:F303/NitrogenFlooding/main.c new file mode 100644 index 0000000..5998afc --- /dev/null +++ b/F3:F303/NitrogenFlooding/main.c @@ -0,0 +1,87 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "adc.h" +//#include "buttons.h" +//#include "can.h" +//#include "flash.h" +#include "hardware.h" +#include "proto.h" +#include "usb.h" + +#define MAXSTRLEN RBINSZ + +volatile uint32_t Tms = 0; + +void sys_tick_handler(void){ + ++Tms; +} + +int main(void){ + char inbuff[MAXSTRLEN+1]; + if(StartHSE()){ + SysTick_Config((uint32_t)72000); // 1ms + }else{ + StartHSI(); + SysTick_Config((uint32_t)48000); // 1ms + } + USBPU_OFF(); // make a reconnection + //flashstorage_init(); + hw_setup(); + USB_setup(); + //CAN_setup(the_conf.CANspeed); + adc_setup(); + USBPU_ON(); + uint32_t ctr = 0; + // CAN_message *can_mesg; + while(1){ + IWDG->KR = IWDG_REFRESH; + if(Tms - ctr > 499){ + ctr = Tms; + LED_blink(0); + } + /*CAN_proc(); + if(CAN_get_status() == CAN_FIFO_OVERRUN){ + USB_sendstr("CAN bus fifo overrun occured!\n"); + } + while((can_mesg = CAN_messagebuf_pop())){ + if(can_mesg && isgood(can_mesg->ID)){ + if(ShowMsgs){ // display message content + IWDG->KR = IWDG_REFRESH; + uint8_t len = can_mesg->length; + printu(Tms); + USB_sendstr(" #"); + printuhex(can_mesg->ID); + for(uint8_t i = 0; i < len; ++i){ + USB_putbyte(' '); + printuhex(can_mesg->data[i]); + } + USB_putbyte('\n'); + } + } + }*/ + USB_proc(); + int l = USB_receivestr(inbuff, MAXSTRLEN); + if(l < 0) USB_sendstr("ERROR: USB buffer overflow or string was too long\n"); + else if(l){ + const char *ans = cmd_parser(inbuff); + if(ans) USB_sendstr(ans); + } + //process_keys(); + } +} diff --git a/F3:F303/NitrogenFlooding/nitrogen.bin b/F3:F303/NitrogenFlooding/nitrogen.bin new file mode 100755 index 0000000..97fffbb Binary files /dev/null and b/F3:F303/NitrogenFlooding/nitrogen.bin differ diff --git a/F3:F303/NitrogenFlooding/nitrogen.cflags b/F3:F303/NitrogenFlooding/nitrogen.cflags new file mode 100644 index 0000000..68d5165 --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.cflags @@ -0,0 +1 @@ +-std=c17 \ No newline at end of file diff --git a/F3:F303/NitrogenFlooding/nitrogen.config b/F3:F303/NitrogenFlooding/nitrogen.config new file mode 100644 index 0000000..6a23e7a --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.config @@ -0,0 +1,8 @@ +// Add predefined macros for your project here. For example: +// #define THE_ANSWER 42 +#define EBUG +#define STM32F3 +#define STM32F303xd +#define __thumb2__ 1 +#define __ARM_ARCH_7M__ +#define USB2_16 diff --git a/F3:F303/NitrogenFlooding/nitrogen.creator b/F3:F303/NitrogenFlooding/nitrogen.creator new file mode 100644 index 0000000..e94cbbd --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.creator @@ -0,0 +1 @@ +[General] diff --git a/F3:F303/NitrogenFlooding/nitrogen.creator.user b/F3:F303/NitrogenFlooding/nitrogen.creator.user new file mode 100644 index 0000000..aa79e75 --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.creator.user @@ -0,0 +1,171 @@ + + + + + + EnvironmentId + {7bd84e39-ca37-46d3-be9d-99ebea85bc0d} + + + ProjectExplorer.Project.ActiveTarget + 0 + + + ProjectExplorer.Project.EditorSettings + + true + false + true + + Cpp + + CppGlobal + + + + QmlJS + + QmlJSGlobal + + + 2 + KOI8-R + false + 4 + false + 80 + true + true + 1 + false + true + false + 0 + true + true + 0 + 8 + true + false + 1 + true + false + true + *.md, *.MD, Makefile + false + true + + + + ProjectExplorer.Project.PluginSettings + + + true + false + true + true + true + true + + + 0 + true + + true + true + Builtin.DefaultTidyAndClazy + 2 + + + + true + + + + + ProjectExplorer.Project.Target.0 + + Desktop + Desktop + Desktop + {65a14f9e-e008-4c1b-89df-4eaa4774b6e3} + 0 + 0 + 0 + + /Big/Data/00__Electronics/STM32/F303-nolib/blink + + + + all + + true + GenericProjectManager.GenericMakeStep + + 1 + Сборка + Сборка + ProjectExplorer.BuildSteps.Build + + + + + clean + + true + GenericProjectManager.GenericMakeStep + + 1 + Очистка + Очистка + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + Default + GenericProjectManager.GenericBuildConfiguration + + 1 + + + 0 + Развёртывание + Развёртывание + ProjectExplorer.BuildSteps.Deploy + + 1 + + false + ProjectExplorer.DefaultDeployConfiguration + + 1 + + + 2 + + ProjectExplorer.CustomExecutableRunConfiguration + + false + true + false + true + + 1 + + + + ProjectExplorer.Project.TargetCount + 1 + + + ProjectExplorer.Project.Updater.FileVersion + 22 + + + Version + 22 + + diff --git a/F3:F303/NitrogenFlooding/nitrogen.cxxflags b/F3:F303/NitrogenFlooding/nitrogen.cxxflags new file mode 100644 index 0000000..6435dfc --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.cxxflags @@ -0,0 +1 @@ +-std=c++17 \ No newline at end of file diff --git a/F3:F303/NitrogenFlooding/nitrogen.files b/F3:F303/NitrogenFlooding/nitrogen.files new file mode 100644 index 0000000..6a5d842 --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.files @@ -0,0 +1,34 @@ +adc.c +adc.h +buttons.c +buttons.h +can.c +can.h +commonproto.c +commonproto.h +flash.c +flash.h +hardware.c +hardware.h +hashgen/hashgen.c +hashgen/hdr.c +hashgen/hdr.h +hashgen/test.c +main.c +pdnuart.c +pdnuart.h +proto.c +proto.h +ringbuffer.c +ringbuffer.h +steppers.c +steppers.h +strfunc.c +strfunc.h +tmc2209.h +usb.c +usb.h +usb_lib.c +usb_lib.h +usbhw.c +usbhw.h diff --git a/F3:F303/NitrogenFlooding/nitrogen.includes b/F3:F303/NitrogenFlooding/nitrogen.includes new file mode 100644 index 0000000..06d1130 --- /dev/null +++ b/F3:F303/NitrogenFlooding/nitrogen.includes @@ -0,0 +1,6 @@ +. +../inc +../inc/Fx +../inc/cm +../inc/ld +../inc/startup diff --git a/F3:F303/NitrogenFlooding/openocd.cfg b/F3:F303/NitrogenFlooding/openocd.cfg new file mode 100644 index 0000000..0210594 --- /dev/null +++ b/F3:F303/NitrogenFlooding/openocd.cfg @@ -0,0 +1,4 @@ +set FLASH_SIZE 0x20000 + +source [find interface/stlink-v2-1.cfg] +source [find target/stm32f3x.cfg] diff --git a/F3:F303/NitrogenFlooding/proto.c b/F3:F303/NitrogenFlooding/proto.c new file mode 100644 index 0000000..3612d17 --- /dev/null +++ b/F3:F303/NitrogenFlooding/proto.c @@ -0,0 +1,113 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "hardware.h" +#include "proto.h" +#include "strfunc.h" +#include "version.inc" + +#include +#include + +// parno - number of parameter (or -1); cargs - string with arguments (after '=') (==NULL for getter), iarg - integer argument +static int goodstub(int _U_ parno, const char _U_ *carg, int32_t _U_ iarg){ + return RET_GOOD; +} + +static int leds(int parno, const char *c, int32_t i){ + if(parno < 0){ // enable/disable all + if(c){ LEDsON = i ? 1 : 0;} + USB_sendstr("LED="); USB_sendstr(u2str(LEDsON)); + }else{ + if(parno >= LEDS_AMOUNT) return RET_WRONGARG; + if(c) switch(i){ + case 2: LED_blink(parno); break; + case 1: LED_on(parno); break; + default: LED_off(parno); + } + USB_sendstr("LED"); USB_putbyte('0' + parno); + USB_putbyte('='); USB_sendstr(u2str(LED_get(parno))); newline(); + } + newline(); + return RET_GOOD; +} + +typedef struct{ + int (*fn)(int, const char*, int32_t); + const char *cmd; + const char *help; +} commands; + +commands cmdlist[] = { + {goodstub, "stub", "simple stub"}, + {leds, "LED", "LEDx=y; where x=0..3 to work with single LED (then y=1-set, 0-reset, 2-toggle), absent to work with all (y=0 - disable, 1-enable)"}, + {NULL, NULL, NULL} +}; + +static void printhelp(){ + commands *c = cmdlist; + USB_sendstr("https://github.com/eddyem/stm32samples/tree/master/F3:F303/NitrogenFlooding build#" BUILD_NUMBER " @ " BUILD_DATE "\n"); + while(c->fn){ + USB_sendstr(c->cmd); + USB_sendstr(" - "); + USB_sendstr(c->help); + newline(); + ++c; + } +} + +static int parsecmd(const char *str){ + char cmd[CMD_MAXLEN + 1]; + if(!str || !*str) return RET_CMDNOTFOUND; + int i = 0; + while(*str > '@' && i < CMD_MAXLEN){ cmd[i++] = *str++; } + cmd[i] = 0; + int parno = -1; + int32_t iarg = __INT32_MAX__; + if(*str){ + uint32_t N; + const char *nxt = getnum(str, &N); + if(nxt != str) parno = (int) N; + str = strchr(str, '='); + if(str){ + str = omit_spaces(++str); + getint(str, &iarg); + } + } + commands *c = cmdlist; + while(c->fn){ + if(strcmp(c->cmd, cmd) == 0) return c->fn(parno, str, iarg); + ++c; + } + return RET_CMDNOTFOUND; +} + + +/** + * @brief cmd_parser - command parsing + * @param txt - buffer with commands & data + */ +const char *cmd_parser(const char *txt){ + int ret = parsecmd(txt); + switch(ret){ + case RET_CMDNOTFOUND: printhelp(); return NULL; break; + case RET_WRONGARG: return "Wrong command parameters\n"; break; + case RET_GOOD: return NULL; break; + default: return "FAIL\n"; break; + } +} diff --git a/F3:F303/NitrogenFlooding/proto.h b/F3:F303/NitrogenFlooding/proto.h new file mode 100644 index 0000000..cbe22cc --- /dev/null +++ b/F3:F303/NitrogenFlooding/proto.h @@ -0,0 +1,46 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include + +#include "strfunc.h" +#include "usb.h" + +#ifndef _U_ +#define _U_ __attribute__((__unused__)) +#endif + +#define CMD_MAXLEN (32) + +enum{ + RET_CMDNOTFOUND = -2, + RET_WRONGARG = -1, + RET_GOOD = 0, + RET_BAD = 1 +}; + +#define printu(x) do{USB_sendstr(u2str(x));}while(0) +#define printi(x) do{USB_sendstr(i2str(x));}while(0) +#define printuhex(x) do{USB_sendstr(uhex2str(x));}while(0) +#define printf(x) do{USB_sendstr(float2str(x, 2));}while(0) + +extern uint8_t ShowMsgs; // show CAN messages flag + +const char *cmd_parser(const char *txt); diff --git a/F3:F303/NitrogenFlooding/ringbuffer.c b/F3:F303/NitrogenFlooding/ringbuffer.c new file mode 100644 index 0000000..f9bb477 --- /dev/null +++ b/F3:F303/NitrogenFlooding/ringbuffer.c @@ -0,0 +1,124 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "ringbuffer.h" + +// stored data length +int RB_datalen(ringbuffer *b){ + if(b->tail >= b->head) return (b->tail - b->head); + else return (b->length - b->head + b->tail); +} + +/** + * @brief RB_hasbyte - check if buffer has given byte stored + * @param b - buffer + * @param byte - byte to find + * @return index if found, -1 if none + */ +int RB_hasbyte(ringbuffer *b, uint8_t byte){ + if(b->head == b->tail) return -1; // no data in buffer + int startidx = b->head; + if(b->head > b->tail){ // + for(int found = b->head; found < b->length; ++found) + if(b->data[found] == byte) return found; + startidx = 0; + } + for(int found = startidx; found < b->tail; ++found) + if(b->data[found] == byte) return found; + return -1; +} + +// poor memcpy +static void mcpy(uint8_t *targ, const uint8_t *src, int l){ + while(l--) *targ++ = *src++; +} + +// increment head or tail +TRUE_INLINE void incr(ringbuffer *b, volatile int *what, int n){ + *what += n; + if(*what >= b->length) *what -= b->length; +} + +/** + * @brief RB_read - read data from ringbuffer + * @param b - buffer + * @param s - array to write data + * @param len - max len of `s` + * @return bytes read + */ +int RB_read(ringbuffer *b, uint8_t *s, int len){ + int l = RB_datalen(b); + if(!l) return 0; + if(l > len) l = len; + int _1st = b->length - b->head; + if(_1st > l) _1st = l; + if(_1st > len) _1st = len; + mcpy(s, b->data + b->head, _1st); + if(_1st < len && l > _1st){ + mcpy(s+_1st, b->data, l - _1st); + incr(b, &b->head, l); + return l; + } + incr(b, &b->head, _1st); + return _1st; +} + +/** + * @brief RB_readto fill array `s` with data until byte `byte` (with it) + * @param b - ringbuffer + * @param byte - check byte + * @param s - buffer to write data + * @param len - length of `s` + * @return amount of bytes written (negative, if lenhead; + // now calculate length of new data portion + if(idx < b->head) partlen += b->length; + if(partlen > len) return -RB_read(b, s, len); + return RB_read(b, s, partlen); +} + +/** + * @brief RB_write - write some data to ringbuffer + * @param b - buffer + * @param str - data + * @param l - length + * @return amount of bytes written + */ +int RB_write(ringbuffer *b, const uint8_t *str, int l){ + int r = b->length - 1 - RB_datalen(b); // rest length + if(l > r) l = r; + if(!l) return 0; + int _1st = b->length - b->tail; + if(_1st > l) _1st = l; + mcpy(b->data + b->tail, str, _1st); + if(_1st < l){ // add another piece from start + mcpy(b->data, str+_1st, l-_1st); + } + incr(b, &b->tail, l); + return l; +} + +// just delete all information in buffer `b` +void RB_clearbuf(ringbuffer *b){ + b->head = 0; + b->tail = 0; +} diff --git a/F3:F303/NitrogenFlooding/ringbuffer.h b/F3:F303/NitrogenFlooding/ringbuffer.h new file mode 100644 index 0000000..1435129 --- /dev/null +++ b/F3:F303/NitrogenFlooding/ringbuffer.h @@ -0,0 +1,35 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include + +typedef struct{ + uint8_t *data; // data buffer + const int length; // its length + int head; // head index + int tail; // tail index +} ringbuffer; + +int RB_read(ringbuffer *b, uint8_t *s, int len); +int RB_readto(ringbuffer *b, uint8_t byte, uint8_t *s, int len); +int RB_hasbyte(ringbuffer *b, uint8_t byte); +int RB_write(ringbuffer *b, const uint8_t *str, int l); +int RB_datalen(ringbuffer *b); +void RB_clearbuf(ringbuffer *b); diff --git a/F3:F303/NitrogenFlooding/strfunc.c b/F3:F303/NitrogenFlooding/strfunc.c new file mode 100644 index 0000000..8dca52b --- /dev/null +++ b/F3:F303/NitrogenFlooding/strfunc.c @@ -0,0 +1,345 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include + +/** + * @brief hexdump - dump hex array by 16 bytes in string + * @param sendfun - function to send data + * @param arr - array to dump + * @param len - length of `arr` + */ +void hexdump(int (*sendfun)(const char *s), uint8_t *arr, uint16_t len){ + char buf[52], *bptr = buf; + for(uint16_t l = 0; l < len; ++l, ++arr){ + for(int16_t j = 1; j > -1; --j){ + register uint8_t half = (*arr >> (4*j)) & 0x0f; + if(half < 10) *bptr++ = half + '0'; + else *bptr++ = half - 10 + 'a'; + } + if(l % 16 == 15){ + *bptr++ = '\n'; + *bptr = 0; + sendfun(buf); + bptr = buf; + }else *bptr++ = ' '; + } + if(bptr != buf){ + *bptr++ = '\n'; + *bptr = 0; + sendfun(buf); + } +} + +/** + * @brief _2str - convert value into string buffer + * @param val - |value| + * @param minus - ==0 if value > 0 + * @return buffer with number + */ +static char *_2str(uint32_t val, uint8_t minus){ + static char strbuf[12]; + char *bufptr = &strbuf[11]; + *bufptr = 0; + if(!val){ + *(--bufptr) = '0'; + }else{ + while(val){ + uint32_t x = val / 10; + *(--bufptr) = (val - 10*x) + '0'; + val = x; + //*(--bufptr) = val % 10 + '0'; + //val /= 10; + } + } + if(minus) *(--bufptr) = '-'; + return bufptr; +} + +// return string with number `val` +char *u2str(uint32_t val){ + return _2str(val, 0); +} +char *i2str(int32_t i){ + uint8_t minus = 0; + uint32_t val; + if(i < 0){ + minus = 1; + val = -i; + }else val = i; + return _2str(val, minus); +} + +/** + * @brief uhex2str - print 32bit unsigned int as hex + * @param val - value + * @return string with number + */ +char *uhex2str(uint32_t val){ + static char buf[12] = "0x"; + int npos = 2; + uint8_t *ptr = (uint8_t*)&val + 3; + int8_t i, j, z=1; + for(i = 0; i < 4; ++i, --ptr){ + if(*ptr == 0){ // omit leading zeros + if(i == 3) z = 0; + if(z) continue; + } + else z = 0; + for(j = 1; j > -1; --j){ + uint8_t half = (*ptr >> (4*j)) & 0x0f; + if(half < 10) buf[npos++] = half + '0'; + else buf[npos++] = half - 10 + 'a'; + } + } + buf[npos] = 0; + return buf; +} + +/** + * @brief omit_spaces - eliminate leading spaces and other trash in string + * @param buf - string + * @return - pointer to first character in `buf` > ' ' + */ +const char *omit_spaces(const char *buf){ + while(*buf){ + if(*buf > ' ') break; + ++buf; + } + return buf; +} + +/** + * @brief getdec - read decimal number & return pointer to next non-number symbol + * @param buf - string + * @param N - number read + * @return Next non-number symbol. In case of overflow return `buf` and N==0xffffffff + */ +static const char *getdec(const char *buf, uint32_t *N){ + char *start = (char*)buf; + uint32_t num = 0; + while(*buf){ + char c = *buf; + if(c < '0' || c > '9'){ + break; + } + if(num > 429496729 || (num == 429496729 && c > '5')){ // overflow + *N = 0xffffff; + return start; + } + num *= 10; + num += c - '0'; + ++buf; + } + *N = num; + return buf; +} +// read hexadecimal number (without 0x prefix!) +static const char *gethex(const char *buf, uint32_t *N){ + const char *start = buf; + uint32_t num = 0; + while(*buf){ + char c = *buf; + uint8_t M = 0; + if(c >= '0' && c <= '9'){ + M = '0'; + }else if(c >= 'A' && c <= 'F'){ + M = 'A' - 10; + }else if(c >= 'a' && c <= 'f'){ + M = 'a' - 10; + } + if(M){ + if(num & 0xf0000000){ // overflow + *N = 0xffffff; + return start; + } + num <<= 4; + num += c - M; + }else{ + break; + } + ++buf; + } + *N = num; + return buf; +} +// read octal number (without 0 prefix!) +static const char *getoct(const char *buf, uint32_t *N){ + const char *start = (char*)buf; + uint32_t num = 0; + while(*buf){ + char c = *buf; + if(c < '0' || c > '7'){ + break; + } + if(num & 0xe0000000){ // overflow + *N = 0xffffff; + return start; + } + num <<= 3; + num += c - '0'; + ++buf; + } + *N = num; + return buf; +} +// read binary number (without b prefix!) +static const char *getbin(const char *buf, uint32_t *N){ + const char *start = (char*)buf; + uint32_t num = 0; + while(*buf){ + char c = *buf; + if(c < '0' || c > '1'){ + break; + } + if(num & 0x80000000){ // overflow + *N = 0xffffff; + return start; + } + num <<= 1; + if(c == '1') num |= 1; + ++buf; + } + *N = num; + return buf; +} + +/** + * @brief getnum - read uint32_t from string (dec, hex or bin: 127, 0x7f, 0b1111111) + * @param buf - buffer with number and so on + * @param N - the number read + * @return pointer to first non-number symbol in buf + * (if it is == buf, there's no number or if *N==0xffffffff there was overflow) + */ +const char *getnum(const char *txt, uint32_t *N){ + const char *nxt = NULL; + const char *s = omit_spaces(txt); + if(*s == '0'){ // hex, oct or 0 + if(s[1] == 'x' || s[1] == 'X'){ // hex + nxt = gethex(s+2, N); + if(nxt == s+2) nxt = (char*)txt; + }else if(s[1] > '0'-1 && s[1] < '8'){ // oct + nxt = getoct(s+1, N); + if(nxt == s+1) nxt = (char*)txt; + }else{ // 0 + nxt = s+1; + *N = 0; + } + }else if(*s == 'b' || *s == 'B'){ + nxt = getbin(s+1, N); + if(nxt == s+1) nxt = (char*)txt; + }else{ + nxt = getdec(s, N); + if(nxt == s) nxt = (char*)txt; + } + return nxt; +} + +// get signed integer +const char *getint(const char *txt, int32_t *I){ + const char *s = omit_spaces(txt); + int32_t sign = 1; + uint32_t U; + if(*s == '-'){ + sign = -1; + ++s; + } + const char *nxt = getnum(s, &U); + if(nxt == s) return txt; + if(U & 0x80000000) return txt; // overfull + *I = sign * (int32_t)U; + return nxt; +} + +// be careful: if pow10 would be bigger you should change str[] size! +static const float pwr10[] = {1.f, 10.f, 100.f, 1000.f, 10000.f}; +static const float rounds[] = {0.5f, 0.05f, 0.005f, 0.0005f, 0.00005f}; +#define P10L (sizeof(pwr10)/sizeof(uint32_t) - 1) +const char *float2str(float x, uint8_t prec){ + static char str[16] = {0}; // -117.5494E-36\0 - 14 symbols max! + if(prec > P10L) prec = P10L; + if(isnan(x)){ memcpy(str, "NAN", 4); return str;} + else{ + int i = isinf(x); + if(i){memcpy(str, "-INF", 5); if(i == 1) return str+1; else return str;} + } + char *s = str + 14; // go to end of buffer + uint8_t minus = 0; + if(x < 0){ + x = -x; + minus = 1; + } + int pow = 0; // xxxEpow + // now convert float to 1.xxxE3y + while(x > 1000.f){ + x /= 1000.f; + pow += 3; + } + if(x > 0.) while(x < 1.){ + x *= 1000.f; + pow -= 3; + } + // print Eyy + if(pow){ + uint8_t m = 0; + if(pow < 0){pow = -pow; m = 1;} + while(pow){ + register int p10 = pow/10; + *s-- = '0' + (pow - 10*p10); + pow = p10; + } + if(m) *s-- = '-'; + *s-- = 'E'; + } + // now our number is in [1, 1000] + uint32_t units; + if(prec){ + units = (uint32_t) x; + uint32_t decimals = (uint32_t)((x-units+rounds[prec])*pwr10[prec]); + // print decimals + while(prec){ + register int d10 = decimals / 10; + *s-- = '0' + (decimals - 10*d10); + decimals = d10; + --prec; + } + // decimal point + *s-- = '.'; + }else{ // without decimal part + units = (uint32_t) (x + 0.5); + } + // print main units + if(units == 0) *s-- = '0'; + else while(units){ + register uint32_t u10 = units / 10; + *s-- = '0' + (units - 10*u10); + units = u10; + } + if(minus) *s-- = '-'; + return s+1; +} + + +/* +void mymemcpy(char *dest, const char *src, int len){ + if(len < 1) return; + while(len--) *dest++ = *src++; +} +*/ diff --git a/F3:F303/NitrogenFlooding/strfunc.h b/F3:F303/NitrogenFlooding/strfunc.h new file mode 100644 index 0000000..9c77a72 --- /dev/null +++ b/F3:F303/NitrogenFlooding/strfunc.h @@ -0,0 +1,32 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include +#include + +void hexdump(int (*sendfun)(const char *s), uint8_t *arr, uint16_t len); +char *u2str(uint32_t val); +char *i2str(int32_t i); +char *uhex2str(uint32_t val); +const char *getnum(const char *txt, uint32_t *N); +const char *omit_spaces(const char *buf); +const char *getint(const char *txt, int32_t *I); +const char *float2str(float x, uint8_t prec); +//void mymemcpy(char *dest, const char *src, int len); diff --git a/F3:F303/NitrogenFlooding/usb.c b/F3:F303/NitrogenFlooding/usb.c new file mode 100644 index 0000000..27afa28 --- /dev/null +++ b/F3:F303/NitrogenFlooding/usb.c @@ -0,0 +1,177 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +#include "hardware.h" +#include "ringbuffer.h" +#include "usb.h" +#include "usb_lib.h" + +static volatile uint8_t usbbuff[USB_TXBUFSZ]; // temporary buffer for sending data +// ring buffers for incoming and outgoing data +static uint8_t obuf[RBOUTSZ], ibuf[RBINSZ]; +static volatile ringbuffer out = {.data = obuf, .length = RBOUTSZ, .head = 0, .tail = 0}; +static volatile ringbuffer in = {.data = ibuf, .length = RBINSZ, .head = 0, .tail = 0}; +// transmission is succesfull +static volatile uint8_t bufisempty = 1; +static volatile uint8_t bufovrfl = 0; + +static void send_next(){ + if(bufisempty) return; + static int lastdsz = 0; + int buflen = RB_read((ringbuffer*)&out, (uint8_t*)usbbuff, USB_TXBUFSZ); + if(!buflen){ + if(lastdsz == 64) EP_Write(3, NULL, 0); // send ZLP after 64 bits packet when nothing more to send + lastdsz = 0; + bufisempty = 1; + return; + } + EP_Write(3, (uint8_t*)usbbuff, buflen); + lastdsz = buflen; +} + +// blocking send full content of ring buffer +int USB_sendall(){ + while(!bufisempty){ + if(!usbON) return 0; + } + return 1; +} + +// put `buf` into queue to send +int USB_send(const uint8_t *buf, int len){ + if(!buf || !usbON || !len) return 0; + while(len){ + int a = RB_write((ringbuffer*)&out, buf, len); + len -= a; + buf += a; + if(bufisempty){ + bufisempty = 0; + send_next(); + } + } + return 1; +} + +int USB_putbyte(uint8_t byte){ + if(!usbON) return 0; + while(0 == RB_write((ringbuffer*)&out, &byte, 1)){ + if(bufisempty){ + bufisempty = 0; + send_next(); + } + } + return 1; +} + +int USB_sendstr(const char *string){ + if(!string || !usbON) return 0; + int len = 0; + const char *b = string; + while(*b++) ++len; + if(!len) return 0; + return USB_send((const uint8_t*)string, len); +} + +/** + * @brief USB_receive - get binary data from receiving ring-buffer + * @param buf (i) - buffer for received data + * @param len - length of `buf` + * @return amount of received bytes (negative, if overfull happened) + */ +int USB_receive(uint8_t *buf, int len){ + int sz = RB_read((ringbuffer*)&in, buf, len); + if(bufovrfl){ + RB_clearbuf((ringbuffer*)&in); + if(!sz) sz = -1; + else sz = -sz; + bufovrfl = 0; + } + return sz; +} + +/** + * @brief USB_receivestr - get string up to '\n' and replace '\n' with 0 + * @param buf - receiving buffer + * @param len - its length + * @return strlen or negative value indicating overflow (if so, string won't be ends with 0 and buffer should be cleared) + */ +int USB_receivestr(char *buf, int len){ + int l = RB_readto((ringbuffer*)&in, '\n', (uint8_t*)buf, len); + if(l == 0) return 0; + if(--l < 0 || bufovrfl) RB_clearbuf((ringbuffer*)&in); + else buf[l] = 0; // replace '\n' with strend + if(bufovrfl){ + if(l > 0) l = -l; + else l = -1; + bufovrfl = 0; + } + return l; +} + +// interrupt IN handler (never used?) +static void EP1_Handler(){ + uint16_t epstatus = KEEP_DTOG(USB->EPnR[1]); + if(RX_FLAG(epstatus)) epstatus = (epstatus & ~USB_EPnR_STAT_TX) ^ USB_EPnR_STAT_RX; // set valid RX + else epstatus = epstatus & ~(USB_EPnR_STAT_TX|USB_EPnR_STAT_RX); + // clear CTR + epstatus = (epstatus & ~(USB_EPnR_CTR_RX|USB_EPnR_CTR_TX)); + USB->EPnR[1] = epstatus; +} + +// data IN/OUT handlers +static void transmit_Handler(){ // EP3IN + uint16_t epstatus = KEEP_DTOG_STAT(USB->EPnR[3]); + // clear CTR keep DTOGs & STATs + USB->EPnR[3] = (epstatus & ~(USB_EPnR_CTR_TX)); // clear TX ctr + send_next(); +} + +static void receive_Handler(){ // EP2OUT + uint8_t buf[USB_RXBUFSZ]; + uint16_t epstatus = KEEP_DTOG(USB->EPnR[2]); + uint8_t sz = EP_Read(2, (uint8_t*)buf); + if(sz){ + if(RB_write((ringbuffer*)&in, buf, sz) != sz) bufovrfl = 1; + } + // keep stat_tx & set ACK rx, clear RX ctr + USB->EPnR[2] = (epstatus & ~USB_EPnR_CTR_RX) ^ USB_EPnR_STAT_RX; +} + +void USB_proc(){ + switch(USB_Dev.USB_Status){ + case USB_STATE_CONFIGURED: + // make new BULK endpoint + // Buffer have 1024 bytes, but last 256 we use for CAN bus (30.2 of RM: USB main features) + EP_Init(1, EP_TYPE_INTERRUPT, USB_EP1BUFSZ, 0, EP1_Handler); // IN1 - transmit + EP_Init(2, EP_TYPE_BULK, 0, USB_RXBUFSZ, receive_Handler); // OUT2 - receive data + EP_Init(3, EP_TYPE_BULK, USB_TXBUFSZ, 0, transmit_Handler); // IN3 - transmit data + USB_Dev.USB_Status = USB_STATE_CONNECTED; + break; + case USB_STATE_DEFAULT: + case USB_STATE_ADDRESSED: + if(usbON){ + usbON = 0; + } + break; + default: // USB_STATE_CONNECTED - send next data portion + // if(!usbON) return; // WTF? + break; + } +} diff --git a/F3:F303/NitrogenFlooding/usb.h b/F3:F303/NitrogenFlooding/usb.h new file mode 100644 index 0000000..ef35a6c --- /dev/null +++ b/F3:F303/NitrogenFlooding/usb.h @@ -0,0 +1,45 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include "usbhw.h" + +// sizes of ringbuffers for outgoing and incoming data +#define RBOUTSZ (512) +#define RBINSZ (512) + +#define newline() USB_putbyte('\n') +#define USND(s) do{USB_sendstr(s); USB_putbyte('\n');}while(0) + +#define STR_HELPER(s) #s +#define STR(s) STR_HELPER(s) + +#ifdef EBUG +#define DBG(str) do{USB_sendstr(__FILE__ " (L" STR(__LINE__) "): " str); newline();}while(0) +#else +#define DBG(str) +#endif + +void USB_proc(); +int USB_sendall(); +int USB_send(const uint8_t *buf, int len); +int USB_putbyte(uint8_t byte); +int USB_sendstr(const char *string); +int USB_receive(uint8_t *buf, int len); +int USB_receivestr(char *buf, int len); diff --git a/F3:F303/NitrogenFlooding/usb_lib.c b/F3:F303/NitrogenFlooding/usb_lib.c new file mode 100644 index 0000000..63b7303 --- /dev/null +++ b/F3:F303/NitrogenFlooding/usb_lib.c @@ -0,0 +1,404 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include "usb_lib.h" + +ep_t endpoints[STM32ENDPOINTS]; + +usb_dev_t USB_Dev; +static usb_LineCoding lineCoding = {115200, 0, 0, 8}; +config_pack_t setup_packet; +uint8_t ep0databuf[EP0DATABUF_SIZE]; + +usb_LineCoding getLineCoding(){return lineCoding;} + +volatile uint8_t usbON = 0; // device disconnected from terminal + +// definition of parts common for USB_DeviceDescriptor & USB_DeviceQualifierDescriptor +#define bcdUSB_L 0x10 +#define bcdUSB_H 0x01 +#define bDeviceClass 0 +#define bDeviceSubClass 0 +#define bDeviceProtocol 0 +#define bNumConfigurations 1 + +static const uint8_t USB_DeviceDescriptor[] = { + 18, // bLength + 0x01, // bDescriptorType - Device descriptor + bcdUSB_L, // bcdUSB_L - 1.10 + bcdUSB_H, // bcdUSB_H + bDeviceClass, // bDeviceClass - USB_COMM + bDeviceSubClass, // bDeviceSubClass + bDeviceProtocol, // bDeviceProtocol + USB_EP0_BUFSZ, // bMaxPacketSize + 0x7b, // idVendor_L PL2303: VID=0x067b, PID=0x2303 + 0x06, // idVendor_H + 0x03, // idProduct_L + 0x23, // idProduct_H + 0x00, // bcdDevice_Ver_L + 0x03, // bcdDevice_Ver_H + 0x01, // iManufacturer + 0x02, // iProduct + 0x00, // iSerialNumber + bNumConfigurations // bNumConfigurations +}; + +static const uint8_t USB_DeviceQualifierDescriptor[] = { + 10, //bLength + 0x06, // bDescriptorType - Device qualifier + bcdUSB_L, // bcdUSB_L + bcdUSB_H, // bcdUSB_H + bDeviceClass, // bDeviceClass + bDeviceSubClass, // bDeviceSubClass + bDeviceProtocol, // bDeviceProtocol + USB_EP0_BUFSZ, // bMaxPacketSize0 + bNumConfigurations, // bNumConfigurations + 0x00 // Reserved +}; + +static const uint8_t USB_ConfigDescriptor[] = { + /*Configuration Descriptor*/ + 0x09, /* bLength: Configuration Descriptor size */ + 0x02, /* bDescriptorType: Configuration */ + 39, /* wTotalLength:no of returned bytes */ + 0x00, + 0x01, /* bNumInterfaces: 1 interface */ + 0x01, /* bConfigurationValue: Configuration value */ + 0x00, /* iConfiguration: Index of string descriptor describing the configuration */ + 0xa0, /* bmAttributes - Bus powered, Remote wakeup */ + 0x32, /* MaxPower 100 mA */ + + /*---------------------------------------------------------------------------*/ + + /*Interface Descriptor */ + 0x09, /* bLength: Interface Descriptor size */ + 0x04, /* bDescriptorType: Interface */ + 0x00, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x03, /* bNumEndpoints: 3 endpoints used */ + 0xff, /* bInterfaceClass */ + 0x00, /* bInterfaceSubClass */ + 0x00, /* bInterfaceProtocol */ + 0x00, /* iInterface: */ +/////////////////////////////////////////////////// + /*Endpoint 1 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + 0x05, /* bDescriptorType: Endpoint */ + 0x81, /* bEndpointAddress IN1 */ + 0x03, /* bmAttributes: Interrupt */ + 0x0a, /* wMaxPacketSize LO: */ + 0x00, /* wMaxPacketSize HI: */ + 0x01, /* bInterval: */ + + /*Endpoint OUT2 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + 0x05, /* bDescriptorType: Endpoint */ + 0x02, /* bEndpointAddress: OUT2 */ + 0x02, /* bmAttributes: Bulk */ + (USB_RXBUFSZ & 0xff), /* wMaxPacketSize: 64 */ + (USB_RXBUFSZ >> 8), + 0x00, /* bInterval: ignore for Bulk transfer */ + + /*Endpoint IN3 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + 0x05, /* bDescriptorType: Endpoint */ + 0x83, /* bEndpointAddress IN3 */ + 0x02, /* bmAttributes: Bulk */ + (USB_TXBUFSZ & 0xff), /* wMaxPacketSize: 64 */ + (USB_TXBUFSZ >> 8), + 0x00, /* bInterval: ignore for Bulk transfer */ +}; + +_USB_LANG_ID_(USB_StringLangDescriptor, LANG_US); +// these descriptors are not used in PL2303 emulator! +_USB_STRING_(USB_StringSerialDescriptor, u"0"); +_USB_STRING_(USB_StringManufacturingDescriptor, u"Prolific Technology Inc."); +_USB_STRING_(USB_StringProdDescriptor, u"USB-Serial Controller"); + +/* + * default handlers + */ +// SET_LINE_CODING +void WEAK linecoding_handler(usb_LineCoding __attribute__((unused)) *lc){ +} + +// SET_CONTROL_LINE_STATE +void WEAK clstate_handler(uint16_t __attribute__((unused)) val){ +} + +// SEND_BREAK +void WEAK break_handler(){ +} + +// handler of vendor requests +void WEAK vendor_handler(config_pack_t *packet){ + uint16_t c; + if(packet->bmRequestType & 0x80){ // read + switch(packet->wValue){ + case 0x8484: + c = 2; + break; + case 0x0080: + c = 1; + break; + case 0x8686: + c = 0xaa; + break; + default: + c = 0; + } + EP_WriteIRQ(0, (uint8_t*)&c, 1); + }else{ // write ZLP + c = 0; + EP_WriteIRQ(0, (uint8_t *)&c, 0); + } +} + +static void wr0(const uint8_t *buf, uint16_t size){ + if(setup_packet.wLength < size) size = setup_packet.wLength; // shortened request + if(size < endpoints[0].txbufsz){ + EP_WriteIRQ(0, buf, size); + return; + } + while(size){ + uint16_t l = size; + if(l > endpoints[0].txbufsz) l = endpoints[0].txbufsz; + EP_WriteIRQ(0, buf, l); + buf += l; + size -= l; + uint8_t needzlp = (l == endpoints[0].txbufsz) ? 1 : 0; + if(size || needzlp){ // send last data buffer + uint16_t status = KEEP_DTOG(USB->EPnR[0]); + // keep DTOGs, clear CTR_RX,TX, set TX VALID, leave stat_Rx + USB->EPnR[0] = (status & ~(USB_EPnR_CTR_RX|USB_EPnR_CTR_TX|USB_EPnR_STAT_RX)) + ^ USB_EPnR_STAT_TX; + uint32_t ctr = 1000000; + while(--ctr && (USB->ISTR & USB_ISTR_CTR) == 0){IWDG->KR = IWDG_REFRESH;}; + if((USB->ISTR & USB_ISTR_CTR) == 0){ + return; + } + if(needzlp) EP_WriteIRQ(0, (uint8_t*)0, 0); + } + } +} + +static inline void get_descriptor(){ + switch(setup_packet.wValue){ + case DEVICE_DESCRIPTOR: + wr0(USB_DeviceDescriptor, sizeof(USB_DeviceDescriptor)); + break; + case CONFIGURATION_DESCRIPTOR: + wr0(USB_ConfigDescriptor, sizeof(USB_ConfigDescriptor)); + break; + case STRING_LANG_DESCRIPTOR: + wr0((const uint8_t *)&USB_StringLangDescriptor, STRING_LANG_DESCRIPTOR_SIZE_BYTE); + break; + case STRING_MAN_DESCRIPTOR: + wr0((const uint8_t *)&USB_StringManufacturingDescriptor, USB_StringManufacturingDescriptor.bLength); + break; + case STRING_PROD_DESCRIPTOR: + wr0((const uint8_t *)&USB_StringProdDescriptor, USB_StringProdDescriptor.bLength); + break; + case STRING_SN_DESCRIPTOR: + wr0((const uint8_t *)&USB_StringSerialDescriptor, USB_StringSerialDescriptor.bLength); + break; + case DEVICE_QUALIFIER_DESCRIPTOR: + wr0(USB_DeviceQualifierDescriptor, USB_DeviceQualifierDescriptor[0]); + break; + default: + break; + } +} + +static uint16_t configuration = 0; // reply for GET_CONFIGURATION (==1 if configured) +static inline void std_d2h_req(){ + uint16_t status = 0; // bus powered + switch(setup_packet.bRequest){ + case GET_DESCRIPTOR: + get_descriptor(); + break; + case GET_STATUS: + EP_WriteIRQ(0, (uint8_t *)&status, 2); // send status: Bus Powered + break; + case GET_CONFIGURATION: + EP_WriteIRQ(0, (uint8_t*)&configuration, 1); + break; + default: + break; + } +} + +static inline void std_h2d_req(){ + switch(setup_packet.bRequest){ + case SET_ADDRESS: + // new address will be assigned later - after acknowlegement or request to host + USB_Dev.USB_Addr = setup_packet.wValue; + break; + case SET_CONFIGURATION: + // Now device configured + USB_Dev.USB_Status = USB_STATE_CONFIGURED; + configuration = setup_packet.wValue; + break; + default: + break; + } +} + +/* +bmRequestType: 76543210 +7 direction: 0 - host->device, 1 - device->host +65 type: 0 - standard, 1 - class, 2 - vendor +4..0 getter: 0 - device, 1 - interface, 2 - endpoint, 3 - other +*/ +/** + * Endpoint0 (control) handler + */ +void EP0_Handler(){ + uint16_t epstatus = USB->EPnR[0]; // EP0R on input -> return this value after modifications + uint8_t reqtype = setup_packet.bmRequestType & 0x7f; + uint8_t dev2host = (setup_packet.bmRequestType & 0x80) ? 1 : 0; + int rxflag = RX_FLAG(epstatus); + if(rxflag && SETUP_FLAG(epstatus)){ + switch(reqtype){ + case STANDARD_DEVICE_REQUEST_TYPE: // standard device request + if(dev2host){ + std_d2h_req(); + }else{ + std_h2d_req(); + EP_WriteIRQ(0, (uint8_t *)0, 0); + } + break; + case STANDARD_ENDPOINT_REQUEST_TYPE: // standard endpoint request + if(setup_packet.bRequest == CLEAR_FEATURE){ + EP_WriteIRQ(0, (uint8_t *)0, 0); + } + break; + case VENDOR_REQUEST_TYPE: + vendor_handler(&setup_packet); + break; + case CONTROL_REQUEST_TYPE: + switch(setup_packet.bRequest){ + case GET_LINE_CODING: + EP_WriteIRQ(0, (uint8_t*)&lineCoding, sizeof(lineCoding)); + break; + case SET_LINE_CODING: // omit this for next stage, when data will come + break; + case SET_CONTROL_LINE_STATE: + usbON = 1; + clstate_handler(setup_packet.wValue); + break; + case SEND_BREAK: + usbON = 0; + break_handler(); + break; + default: + break; + } + if(setup_packet.bRequest != GET_LINE_CODING) EP_WriteIRQ(0, (uint8_t *)0, 0); // write acknowledgement + break; + default: + EP_WriteIRQ(0, (uint8_t *)0, 0); + } + }else if(rxflag){ // got data over EP0 or host acknowlegement + if(endpoints[0].rx_cnt){ + if(setup_packet.bRequest == SET_LINE_CODING){ + linecoding_handler((usb_LineCoding*)ep0databuf); + } + } + } else if(TX_FLAG(epstatus)){ // package transmitted + // now we can change address after enumeration + if ((USB->DADDR & USB_DADDR_ADD) != USB_Dev.USB_Addr){ + USB->DADDR = USB_DADDR_EF | USB_Dev.USB_Addr; + // change state to ADRESSED + USB_Dev.USB_Status = USB_STATE_ADDRESSED; + } + } + epstatus = KEEP_DTOG(USB->EPnR[0]); + if(rxflag) epstatus ^= USB_EPnR_STAT_TX; // start ZLP/data transmission + else epstatus &= ~USB_EPnR_STAT_TX; // or leave unchanged + // keep DTOGs, clear CTR_RX,TX, set RX VALID + USB->EPnR[0] = (epstatus & ~(USB_EPnR_CTR_RX|USB_EPnR_CTR_TX)) ^ USB_EPnR_STAT_RX; +} + +/** + * Write data to EP buffer (called from IRQ handler) + * @param number - EP number + * @param *buf - array with data + * @param size - its size + */ +void EP_WriteIRQ(uint8_t number, const uint8_t *buf, uint16_t size){ + if(size > endpoints[number].txbufsz) size = endpoints[number].txbufsz; + uint16_t N2 = (size + 1) >> 1; + // the buffer is 16-bit, so we should copy data as it would be uint16_t + uint16_t *buf16 = (uint16_t *)buf; +#if defined USB1_16 + // very bad: what if `size` is odd? + uint32_t *out = (uint32_t *)endpoints[number].tx_buf; + for(int i = 0; i < N2; ++i, ++out){ + *out = buf16[i]; + } +#elif defined USB2_16 + // use memcpy instead? + for(int i = 0; i < N2; i++){ + endpoints[number].tx_buf[i] = buf16[i]; + } +#else +#error "Define USB1_16 or USB2_16" +#endif + USB_BTABLE->EP[number].USB_COUNT_TX = size; +} + +/** + * Write data to EP buffer (called outside IRQ handler) + * @param number - EP number + * @param *buf - array with data + * @param size - its size + */ +void EP_Write(uint8_t number, const uint8_t *buf, uint16_t size){ + EP_WriteIRQ(number, buf, size); + uint16_t status = KEEP_DTOG(USB->EPnR[number]); + // keep DTOGs, clear CTR_TX & set TX VALID to start transmission + USB->EPnR[number] = (status & ~(USB_EPnR_CTR_TX)) ^ USB_EPnR_STAT_TX; +} + +/* + * Copy data from EP buffer into user buffer area + * @param *buf - user array for data + * @return amount of data read + */ +int EP_Read(uint8_t number, uint8_t *buf){ + int sz = endpoints[number].rx_cnt; + if(!sz) return 0; + endpoints[number].rx_cnt = 0; +#if defined USB1_16 + int n = (sz + 1) >> 1; + uint32_t *in = (uint32_t*)endpoints[number].rx_buf; + uint16_t *out = (uint16_t*)buf; + for(int i = 0; i < n; ++i, ++in) + out[i] = *(uint16_t*)in; +#elif defined USB2_16 + // use memcpy instead? + for(int i = 0; i < sz; ++i) + buf[i] = endpoints[number].rx_buf[i]; +#else +#error "Define USB1_16 or USB2_16" +#endif + return sz; +} + diff --git a/F3:F303/NitrogenFlooding/usb_lib.h b/F3:F303/NitrogenFlooding/usb_lib.h new file mode 100644 index 0000000..5d07f3b --- /dev/null +++ b/F3:F303/NitrogenFlooding/usb_lib.h @@ -0,0 +1,181 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include +#include "usbhw.h" + +#define EP0DATABUF_SIZE (64) +#define LASTADDR_DEFAULT (STM32ENDPOINTS * 8) + +// bmRequestType & 0x7f +#define STANDARD_DEVICE_REQUEST_TYPE 0 +#define STANDARD_ENDPOINT_REQUEST_TYPE 2 +#define VENDOR_REQUEST_TYPE 0x40 +#define CONTROL_REQUEST_TYPE 0x21 +// bRequest, standard; for bmRequestType == 0x80 +#define GET_STATUS 0x00 +#define GET_DESCRIPTOR 0x06 +#define GET_CONFIGURATION 0x08 +// for bmRequestType == 0 +#define CLEAR_FEATURE 0x01 +#define SET_FEATURE 0x03 // unused +#define SET_ADDRESS 0x05 +#define SET_DESCRIPTOR 0x07 // unused +#define SET_CONFIGURATION 0x09 +// for bmRequestType == 0x81, 1 or 0xB2 +#define GET_INTERFACE 0x0A // unused +#define SET_INTERFACE 0x0B // unused +#define SYNC_FRAME 0x0C // unused +#define VENDOR_REQUEST 0x01 // unused + +// Class-Specific Control Requests +#define SEND_ENCAPSULATED_COMMAND 0x00 // unused +#define GET_ENCAPSULATED_RESPONSE 0x01 // unused +#define SET_COMM_FEATURE 0x02 // unused +#define GET_COMM_FEATURE 0x03 // unused +#define CLEAR_COMM_FEATURE 0x04 // unused +#define SET_LINE_CODING 0x20 +#define GET_LINE_CODING 0x21 +#define SET_CONTROL_LINE_STATE 0x22 +#define SEND_BREAK 0x23 + +// control line states +#define CONTROL_DTR 0x01 +#define CONTROL_RTS 0x02 + +// wValue +#define DEVICE_DESCRIPTOR 0x100 +#define CONFIGURATION_DESCRIPTOR 0x200 +#define STRING_LANG_DESCRIPTOR 0x300 +#define STRING_MAN_DESCRIPTOR 0x301 +#define STRING_PROD_DESCRIPTOR 0x302 +#define STRING_SN_DESCRIPTOR 0x303 +#define DEVICE_QUALIFIER_DESCRIPTOR 0x600 + +#define RX_FLAG(epstat) (epstat & USB_EPnR_CTR_RX) +#define TX_FLAG(epstat) (epstat & USB_EPnR_CTR_TX) +#define SETUP_FLAG(epstat) (epstat & USB_EPnR_SETUP) + +// EPnR bits manipulation +#define KEEP_DTOG_STAT(EPnR) (EPnR & ~(USB_EPnR_STAT_RX|USB_EPnR_STAT_TX|USB_EPnR_DTOG_RX|USB_EPnR_DTOG_TX)) +#define KEEP_DTOG(EPnR) (EPnR & ~(USB_EPnR_DTOG_RX|USB_EPnR_DTOG_TX)) + +// USB state: uninitialized, addressed, ready for use +typedef enum{ + USB_STATE_DEFAULT, + USB_STATE_ADDRESSED, + USB_STATE_CONFIGURED, + USB_STATE_CONNECTED +} USB_state; + +// EP types +#define EP_TYPE_BULK 0x00 +#define EP_TYPE_CONTROL 0x01 +#define EP_TYPE_ISO 0x02 +#define EP_TYPE_INTERRUPT 0x03 + +#define LANG_US (uint16_t)0x0409 + +#define _USB_STRING_(name, str) \ +static const struct name \ +{ \ + uint8_t bLength; \ + uint8_t bDescriptorType; \ + uint16_t bString[(sizeof(str) - 2) / 2]; \ + \ +} \ +name = {sizeof(name), 0x03, str} + +#define _USB_LANG_ID_(name, lng_id) \ + \ +static const struct name \ +{ \ + uint8_t bLength; \ + uint8_t bDescriptorType; \ + uint16_t bString; \ + \ +} \ +name = {0x04, 0x03, lng_id} +#define STRING_LANG_DESCRIPTOR_SIZE_BYTE (4) + +// EP0 configuration packet +typedef struct { + uint8_t bmRequestType; + uint8_t bRequest; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} config_pack_t; + +// endpoints state +typedef struct{ + uint16_t *tx_buf; // transmission buffer address + uint16_t txbufsz; // transmission buffer size + uint8_t *rx_buf; // reception buffer address + void (*func)(); // endpoint action function + unsigned rx_cnt : 10; // received data counter +} ep_t; + +// USB status & its address +typedef struct { + uint8_t USB_Status; + uint16_t USB_Addr; +}usb_dev_t; + +typedef struct { + uint32_t dwDTERate; + uint8_t bCharFormat; + #define USB_CDC_1_STOP_BITS 0 + #define USB_CDC_1_5_STOP_BITS 1 + #define USB_CDC_2_STOP_BITS 2 + uint8_t bParityType; + #define USB_CDC_NO_PARITY 0 + #define USB_CDC_ODD_PARITY 1 + #define USB_CDC_EVEN_PARITY 2 + #define USB_CDC_MARK_PARITY 3 + #define USB_CDC_SPACE_PARITY 4 + uint8_t bDataBits; +} __attribute__ ((packed)) usb_LineCoding; + +typedef struct { + uint8_t bmRequestType; + uint8_t bNotificationType; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; +} __attribute__ ((packed)) usb_cdc_notification; + +extern ep_t endpoints[]; +extern usb_dev_t USB_Dev; +extern volatile uint8_t usbON; +extern config_pack_t setup_packet; +extern uint8_t ep0databuf[]; + +void EP0_Handler(); + +void EP_WriteIRQ(uint8_t number, const uint8_t *buf, uint16_t size); +void EP_Write(uint8_t number, const uint8_t *buf, uint16_t size); +int EP_Read(uint8_t number, uint8_t *buf); +usb_LineCoding getLineCoding(); + +void linecoding_handler(usb_LineCoding *lc); +void clstate_handler(uint16_t val); +void break_handler(); +void vendor_handler(config_pack_t *packet); diff --git a/F3:F303/NitrogenFlooding/usbhw.c b/F3:F303/NitrogenFlooding/usbhw.c new file mode 100644 index 0000000..fc42f3e --- /dev/null +++ b/F3:F303/NitrogenFlooding/usbhw.c @@ -0,0 +1,124 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "usb.h" +#include "usb_lib.h" + +// here we suppose that all PIN settings done in hw_setup earlier +void USB_setup(){ + NVIC_DisableIRQ(USB_LP_IRQn); + // remap USB LP & Wakeup interrupts to 75 and 76 - works only on pure F303 + RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; // enable tacting of SYSCFG + SYSCFG->CFGR1 |= SYSCFG_CFGR1_USB_IT_RMP; + RCC->APB1ENR |= RCC_APB1ENR_USBEN; + USB->CNTR = USB_CNTR_FRES; // Force USB Reset + for(uint32_t ctr = 0; ctr < 72000; ++ctr) nop(); // wait >1ms + //uint32_t ctr = 0; + USB->CNTR = 0; + USB->BTABLE = 0; + USB->DADDR = 0; + USB->ISTR = 0; + USB->CNTR = USB_CNTR_RESETM | USB_CNTR_WKUPM; // allow only wakeup & reset interrupts + NVIC_EnableIRQ(USB_LP_IRQn); +} + +static uint16_t lastaddr = LASTADDR_DEFAULT; +/** + * Endpoint initialisation + * @param number - EP num (0...7) + * @param type - EP type (EP_TYPE_BULK, EP_TYPE_CONTROL, EP_TYPE_ISO, EP_TYPE_INTERRUPT) + * @param txsz - transmission buffer size @ USB/CAN buffer + * @param rxsz - reception buffer size @ USB/CAN buffer + * @param uint16_t (*func)(ep_t *ep) - EP handler function + * @return 0 if all OK + */ +int EP_Init(uint8_t number, uint8_t type, uint16_t txsz, uint16_t rxsz, void (*func)(ep_t ep)){ + if(number >= STM32ENDPOINTS) return 4; // out of configured amount + if(txsz > USB_BTABLE_SIZE || rxsz > USB_BTABLE_SIZE) return 1; // buffer too large + if(lastaddr + txsz + rxsz >= USB_BTABLE_SIZE) return 2; // out of btable + USB->EPnR[number] = (type << 9) | (number & USB_EPnR_EA); + USB->EPnR[number] ^= USB_EPnR_STAT_RX | USB_EPnR_STAT_TX_1; + if(rxsz & 1 || rxsz > 512) return 3; // wrong rx buffer size + uint16_t countrx = 0; + if(rxsz < 64) countrx = rxsz / 2; + else{ + if(rxsz & 0x1f) return 3; // should be multiple of 32 + countrx = 31 + rxsz / 32; + } + USB_BTABLE->EP[number].USB_ADDR_TX = lastaddr; + endpoints[number].tx_buf = (uint16_t *)(USB_BTABLE_BASE + lastaddr * ACCESSZ); + endpoints[number].txbufsz = txsz; + lastaddr += txsz; + USB_BTABLE->EP[number].USB_COUNT_TX = 0; + USB_BTABLE->EP[number].USB_ADDR_RX = lastaddr; + endpoints[number].rx_buf = (uint8_t *)(USB_BTABLE_BASE + lastaddr * ACCESSZ); + lastaddr += rxsz; + USB_BTABLE->EP[number].USB_COUNT_RX = countrx << 10; + endpoints[number].func = func; + return 0; +} + +// standard IRQ handler +void usb_lp_isr(){ + if(USB->ISTR & USB_ISTR_RESET){ + usbON = 0; + // Reinit registers + USB->CNTR = USB_CNTR_RESETM | USB_CNTR_CTRM | USB_CNTR_SUSPM | USB_CNTR_WKUPM; + // Endpoint 0 - CONTROL + // ON USB LS size of EP0 may be 8 bytes, but on FS it should be 64 bytes! + lastaddr = LASTADDR_DEFAULT; + // clear address, leave only enable bit + USB->DADDR = USB_DADDR_EF; + USB_Dev.USB_Status = USB_STATE_DEFAULT; + if(EP_Init(0, EP_TYPE_CONTROL, USB_EP0_BUFSZ, USB_EP0_BUFSZ, EP0_Handler)){ + return; + } + USB->ISTR = ~USB_ISTR_RESET; + } + if(USB->ISTR & USB_ISTR_CTR){ + // EP number + uint8_t n = USB->ISTR & USB_ISTR_EPID; + // copy status register + uint16_t epstatus = USB->EPnR[n]; + // copy received bytes amount + endpoints[n].rx_cnt = USB_BTABLE->EP[n].USB_COUNT_RX & 0x3FF; // low 10 bits is counter + // check direction + if(USB->ISTR & USB_ISTR_DIR){ // OUT interrupt - receive data, CTR_RX==1 (if CTR_TX == 1 - two pending transactions: receive following by transmit) + if(n == 0){ // control endpoint + if(epstatus & USB_EPnR_SETUP){ // setup packet -> copy data to conf_pack + EP_Read(0, (uint8_t*)&setup_packet); + // interrupt handler will be called later + }else if(epstatus & USB_EPnR_CTR_RX){ // data packet -> push received data to ep0databuf + EP_Read(0, (uint8_t*)&ep0databuf); + } + } + } + // call EP handler + if(endpoints[n].func) endpoints[n].func(endpoints[n]); + } + if(USB->ISTR & USB_ISTR_SUSP){ // suspend -> still no connection, may sleep + usbON = 0; + USB->CNTR |= USB_CNTR_FSUSP | USB_CNTR_LP_MODE; + USB->ISTR = ~USB_ISTR_SUSP; + } + if(USB->ISTR & USB_ISTR_WKUP){ // wakeup + USB->CNTR &= ~(USB_CNTR_FSUSP | USB_CNTR_LP_MODE); // clear suspend flags + USB->ISTR = ~USB_ISTR_WKUP; + } +} + diff --git a/F3:F303/NitrogenFlooding/usbhw.h b/F3:F303/NitrogenFlooding/usbhw.h new file mode 100644 index 0000000..37308c2 --- /dev/null +++ b/F3:F303/NitrogenFlooding/usbhw.h @@ -0,0 +1,113 @@ +/* + * This file is part of the nitrogen project. + * Copyright 2023 Edward V. Emelianov . + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#pragma once + +#include + +// max endpoints number +#define STM32ENDPOINTS 8 +/** + * Buffers size definition + **/ +#define USB_BTABLE_SIZE 768 +// first 64 bytes of USB_BTABLE are registers! +//#define USB_EP0_BASEADDR 64 +// for USB FS EP0 buffers are from 8 to 64 bytes long (64 for PL2303) +#define USB_EP0_BUFSZ 64 +// USB transmit buffer size (64 for PL2303) +#define USB_TXBUFSZ 64 +// USB receive buffer size (64 for PL2303) +#define USB_RXBUFSZ 64 +// EP1 - interrupt - buffer size +#define USB_EP1BUFSZ 8 + +#define USB_BTABLE_BASE 0x40006000 +#define USB ((USB_TypeDef *) USB_BASE) + +#ifdef USB_BTABLE +#undef USB_BTABLE +#endif +#define USB_BTABLE ((USB_BtableDef *)(USB_BTABLE_BASE)) +#define USB_ISTR_EPID 0x0000000F +#define USB_FNR_LSOF_0 0x00000800 +#define USB_FNR_lSOF_1 0x00001000 +#define USB_LPMCSR_BESL_0 0x00000010 +#define USB_LPMCSR_BESL_1 0x00000020 +#define USB_LPMCSR_BESL_2 0x00000040 +#define USB_LPMCSR_BESL_3 0x00000080 +#define USB_EPnR_CTR_RX 0x00008000 +#define USB_EPnR_DTOG_RX 0x00004000 +#define USB_EPnR_STAT_RX 0x00003000 +#define USB_EPnR_STAT_RX_0 0x00001000 +#define USB_EPnR_STAT_RX_1 0x00002000 +#define USB_EPnR_SETUP 0x00000800 +#define USB_EPnR_EP_TYPE 0x00000600 +#define USB_EPnR_EP_TYPE_0 0x00000200 +#define USB_EPnR_EP_TYPE_1 0x00000400 +#define USB_EPnR_EP_KIND 0x00000100 +#define USB_EPnR_CTR_TX 0x00000080 +#define USB_EPnR_DTOG_TX 0x00000040 +#define USB_EPnR_STAT_TX 0x00000030 +#define USB_EPnR_STAT_TX_0 0x00000010 +#define USB_EPnR_STAT_TX_1 0x00000020 +#define USB_EPnR_EA 0x0000000F +#define USB_COUNTn_RX_BLSIZE 0x00008000 +#define USB_COUNTn_NUM_BLOCK 0x00007C00 +#define USB_COUNTn_RX 0x0000003F + +#define USB_TypeDef USB_TypeDef_custom + +typedef struct { + __IO uint32_t EPnR[STM32ENDPOINTS]; + __IO uint32_t RESERVED[STM32ENDPOINTS]; + __IO uint32_t CNTR; + __IO uint32_t ISTR; + __IO uint32_t FNR; + __IO uint32_t DADDR; + __IO uint32_t BTABLE; +} USB_TypeDef; + +// F303 D/E have 2x16 access scheme +typedef struct{ +#if defined USB2_16 + __IO uint16_t USB_ADDR_TX; + __IO uint16_t USB_COUNT_TX; + __IO uint16_t USB_ADDR_RX; + __IO uint16_t USB_COUNT_RX; +#define ACCESSZ (1) +#define BUFTYPE uint8_t +#elif defined USB1_16 + __IO uint32_t USB_ADDR_TX; + __IO uint32_t USB_COUNT_TX; + __IO uint32_t USB_ADDR_RX; + __IO uint32_t USB_COUNT_RX; +#define ACCESSZ (2) +#define BUFTYPE uint16_t +#else +#error "Define USB1_16 or USB2_16" +#endif +} USB_EPDATA_TypeDef; + + +typedef struct{ + __IO USB_EPDATA_TypeDef EP[STM32ENDPOINTS]; +} USB_BtableDef; + +void USB_setup(); +int EP_Init(uint8_t number, uint8_t type, uint16_t txsz, uint16_t rxsz, void (*func)()); diff --git a/F3:F303/NitrogenFlooding/version.inc b/F3:F303/NitrogenFlooding/version.inc new file mode 100644 index 0000000..33f807c --- /dev/null +++ b/F3:F303/NitrogenFlooding/version.inc @@ -0,0 +1,2 @@ +#define BUILD_NUMBER "1" +#define BUILD_DATE "2023-03-20" diff --git a/F3:F303/inc/Fx/stm32f3.h b/F3:F303/inc/Fx/stm32f3.h index f6da29c..16c13e8 100644 --- a/F3:F303/inc/Fx/stm32f3.h +++ b/F3:F303/inc/Fx/stm32f3.h @@ -25,6 +25,8 @@ #include "vector.h" #if defined STM32F303xb || defined STM32F303xc #include "stm32f303xc.h" +#elif defined STM32F302xb || defined STM32F302xc +#include "stm32f302xc.h" #elif defined STM32F303xd || defined STM32F303xe #include "stm32f303xe.h" #else diff --git a/F3:F303/inc/Fx/stm32f302xc.h b/F3:F303/inc/Fx/stm32f302xc.h new file mode 100644 index 0000000..15bac19 --- /dev/null +++ b/F3:F303/inc/Fx/stm32f302xc.h @@ -0,0 +1,12735 @@ +/** + ****************************************************************************** + * @file stm32f302xc.h + * @author MCD Application Team + * @brief CMSIS STM32F302xC Devices Peripheral Access Layer Header File. + * + * This file contains: + * - Data structures and the address mapping for all peripherals + * - Peripheral's registers declarations and bits definition + * - Macros to access peripheral's registers hardware + * + ****************************************************************************** + * @attention + * + * Copyright (c) 2016 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS_Device + * @{ + */ + +/** @addtogroup stm32f302xc + * @{ + */ + +#ifndef __STM32F302xC_H +#define __STM32F302xC_H + +#ifdef __cplusplus + extern "C" { +#endif /* __cplusplus */ + +/** @addtogroup Configuration_section_for_CMSIS + * @{ + */ + +/** + * @brief Configuration of the Cortex-M4 Processor and Core Peripherals + */ +#define __CM4_REV 0x0001U /*!< Core revision r0p1 */ +#define __MPU_PRESENT 1U /*!< STM32F302xC devices provide an MPU */ +#define __NVIC_PRIO_BITS 4U /*!< STM32F302xC devices use 4 Bits for the Priority Levels */ +#define __Vendor_SysTickConfig 0U /*!< Set to 1 if different SysTick Config is used */ +#define __FPU_PRESENT 1U /*!< STM32F302xC devices provide an FPU */ + +/** + * @} + */ + +/** @addtogroup Peripheral_interrupt_number_definition + * @{ + */ + +/** + * @brief STM32F302xC devices Interrupt Number Definition, according to the selected device + * in @ref Library_configuration_section + */ +typedef enum +{ +/****** Cortex-M4 Processor Exceptions Numbers ****************************************************************/ + NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */ + HardFault_IRQn = -13, /*!< 3 Cortex-M4 Hard Fault Interrupt */ + MemoryManagement_IRQn = -12, /*!< 4 Cortex-M4 Memory Management Interrupt */ + BusFault_IRQn = -11, /*!< 5 Cortex-M4 Bus Fault Interrupt */ + UsageFault_IRQn = -10, /*!< 6 Cortex-M4 Usage Fault Interrupt */ + SVCall_IRQn = -5, /*!< 11 Cortex-M4 SV Call Interrupt */ + DebugMonitor_IRQn = -4, /*!< 12 Cortex-M4 Debug Monitor Interrupt */ + PendSV_IRQn = -2, /*!< 14 Cortex-M4 Pend SV Interrupt */ + SysTick_IRQn = -1, /*!< 15 Cortex-M4 System Tick Interrupt */ +/****** STM32 specific Interrupt Numbers **********************************************************************/ + WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */ + PVD_IRQn = 1, /*!< PVD through EXTI Line detection Interrupt */ + TAMP_STAMP_IRQn = 2, /*!< Tamper and TimeStamp interrupts through the EXTI line 19 */ + RTC_WKUP_IRQn = 3, /*!< RTC Wakeup interrupt through the EXTI line 20 */ + FLASH_IRQn = 4, /*!< FLASH global Interrupt */ + RCC_IRQn = 5, /*!< RCC global Interrupt */ + EXTI0_IRQn = 6, /*!< EXTI Line0 Interrupt */ + EXTI1_IRQn = 7, /*!< EXTI Line1 Interrupt */ + EXTI2_TSC_IRQn = 8, /*!< EXTI Line2 Interrupt and Touch Sense Controller Interrupt */ + EXTI3_IRQn = 9, /*!< EXTI Line3 Interrupt */ + EXTI4_IRQn = 10, /*!< EXTI Line4 Interrupt */ + DMA1_Channel1_IRQn = 11, /*!< DMA1 Channel 1 Interrupt */ + DMA1_Channel2_IRQn = 12, /*!< DMA1 Channel 2 Interrupt */ + DMA1_Channel3_IRQn = 13, /*!< DMA1 Channel 3 Interrupt */ + DMA1_Channel4_IRQn = 14, /*!< DMA1 Channel 4 Interrupt */ + DMA1_Channel5_IRQn = 15, /*!< DMA1 Channel 5 Interrupt */ + DMA1_Channel6_IRQn = 16, /*!< DMA1 Channel 6 Interrupt */ + DMA1_Channel7_IRQn = 17, /*!< DMA1 Channel 7 Interrupt */ + ADC1_2_IRQn = 18, /*!< ADC1 & ADC2 Interrupts */ + USB_HP_CAN_TX_IRQn = 19, /*!< USB Device High Priority or CAN TX Interrupts */ + USB_LP_CAN_RX0_IRQn = 20, /*!< USB Device Low Priority or CAN RX0 Interrupts */ + CAN_RX1_IRQn = 21, /*!< CAN RX1 Interrupt */ + CAN_SCE_IRQn = 22, /*!< CAN SCE Interrupt */ + EXTI9_5_IRQn = 23, /*!< External Line[9:5] Interrupts */ + TIM1_BRK_TIM15_IRQn = 24, /*!< TIM1 Break and TIM15 Interrupts */ + TIM1_UP_TIM16_IRQn = 25, /*!< TIM1 Update and TIM16 Interrupts */ + TIM1_TRG_COM_TIM17_IRQn = 26, /*!< TIM1 Trigger and Commutation and TIM17 Interrupt */ + TIM1_CC_IRQn = 27, /*!< TIM1 Capture Compare Interrupt */ + TIM2_IRQn = 28, /*!< TIM2 global Interrupt */ + TIM3_IRQn = 29, /*!< TIM3 global Interrupt */ + TIM4_IRQn = 30, /*!< TIM4 global Interrupt */ + I2C1_EV_IRQn = 31, /*!< I2C1 Event Interrupt & EXTI Line23 Interrupt (I2C1 wakeup) */ + I2C1_ER_IRQn = 32, /*!< I2C1 Error Interrupt */ + I2C2_EV_IRQn = 33, /*!< I2C2 Event Interrupt & EXTI Line24 Interrupt (I2C2 wakeup) */ + I2C2_ER_IRQn = 34, /*!< I2C2 Error Interrupt */ + SPI1_IRQn = 35, /*!< SPI1 global Interrupt */ + SPI2_IRQn = 36, /*!< SPI2 global Interrupt */ + USART1_IRQn = 37, /*!< USART1 global Interrupt & EXTI Line25 Interrupt (USART1 wakeup) */ + USART2_IRQn = 38, /*!< USART2 global Interrupt & EXTI Line26 Interrupt (USART2 wakeup) */ + USART3_IRQn = 39, /*!< USART3 global Interrupt & EXTI Line28 Interrupt (USART3 wakeup) */ + EXTI15_10_IRQn = 40, /*!< External Line[15:10] Interrupts */ + RTC_Alarm_IRQn = 41, /*!< RTC Alarm (A and B) through EXTI Line 17 Interrupt */ + USBWakeUp_IRQn = 42, /*!< USB Wakeup Interrupt */ + SPI3_IRQn = 51, /*!< SPI3 global Interrupt */ + UART4_IRQn = 52, /*!< UART4 global Interrupt & EXTI Line34 Interrupt (UART4 wakeup) */ + UART5_IRQn = 53, /*!< UART5 global Interrupt & EXTI Line35 Interrupt (UART5 wakeup) */ + TIM6_DAC_IRQn = 54, /*!< TIM6 global and DAC underrun error Interrupt */ + DMA2_Channel1_IRQn = 56, /*!< DMA2 Channel 1 global Interrupt */ + DMA2_Channel2_IRQn = 57, /*!< DMA2 Channel 2 global Interrupt */ + DMA2_Channel3_IRQn = 58, /*!< DMA2 Channel 3 global Interrupt */ + DMA2_Channel4_IRQn = 59, /*!< DMA2 Channel 4 global Interrupt */ + DMA2_Channel5_IRQn = 60, /*!< DMA2 Channel 5 global Interrupt */ + COMP1_2_IRQn = 64, /*!< COMP1 and COMP2 global Interrupt via EXTI Line21 and 22 */ + COMP4_6_IRQn = 65, /*!< COMP4 and COMP6 global Interrupt via EXTI Line30 and 32 */ + USB_HP_IRQn = 74, /*!< USB High Priority global Interrupt */ + USB_LP_IRQn = 75, /*!< USB Low Priority global Interrupt */ + USBWakeUp_RMP_IRQn = 76, /*!< USB Wakeup Interrupt remap */ + FPU_IRQn = 81, /*!< Floating point Interrupt */ +} IRQn_Type; + +/** + * @} + */ + +#include "core_cm4.h" /* Cortex-M4 processor and core peripherals */ +#include + +/** @addtogroup Peripheral_registers_structures + * @{ + */ + +/** + * @brief Analog to Digital Converter + */ + +typedef struct +{ + __IO uint32_t ISR; /*!< ADC Interrupt and Status Register, Address offset: 0x00 */ + __IO uint32_t IER; /*!< ADC Interrupt Enable Register, Address offset: 0x04 */ + __IO uint32_t CR; /*!< ADC control register, Address offset: 0x08 */ + __IO uint32_t CFGR; /*!< ADC Configuration register, Address offset: 0x0C */ + uint32_t RESERVED0; /*!< Reserved, 0x010 */ + __IO uint32_t SMPR1; /*!< ADC sample time register 1, Address offset: 0x14 */ + __IO uint32_t SMPR2; /*!< ADC sample time register 2, Address offset: 0x18 */ + uint32_t RESERVED1; /*!< Reserved, 0x01C */ + __IO uint32_t TR1; /*!< ADC watchdog threshold register 1, Address offset: 0x20 */ + __IO uint32_t TR2; /*!< ADC watchdog threshold register 2, Address offset: 0x24 */ + __IO uint32_t TR3; /*!< ADC watchdog threshold register 3, Address offset: 0x28 */ + uint32_t RESERVED2; /*!< Reserved, 0x02C */ + __IO uint32_t SQR1; /*!< ADC regular sequence register 1, Address offset: 0x30 */ + __IO uint32_t SQR2; /*!< ADC regular sequence register 2, Address offset: 0x34 */ + __IO uint32_t SQR3; /*!< ADC regular sequence register 3, Address offset: 0x38 */ + __IO uint32_t SQR4; /*!< ADC regular sequence register 4, Address offset: 0x3C */ + __IO uint32_t DR; /*!< ADC regular data register, Address offset: 0x40 */ + uint32_t RESERVED3; /*!< Reserved, 0x044 */ + uint32_t RESERVED4; /*!< Reserved, 0x048 */ + __IO uint32_t JSQR; /*!< ADC injected sequence register, Address offset: 0x4C */ + uint32_t RESERVED5[4]; /*!< Reserved, 0x050 - 0x05C */ + __IO uint32_t OFR1; /*!< ADC offset register 1, Address offset: 0x60 */ + __IO uint32_t OFR2; /*!< ADC offset register 2, Address offset: 0x64 */ + __IO uint32_t OFR3; /*!< ADC offset register 3, Address offset: 0x68 */ + __IO uint32_t OFR4; /*!< ADC offset register 4, Address offset: 0x6C */ + uint32_t RESERVED6[4]; /*!< Reserved, 0x070 - 0x07C */ + __IO uint32_t JDR1; /*!< ADC injected data register 1, Address offset: 0x80 */ + __IO uint32_t JDR2; /*!< ADC injected data register 2, Address offset: 0x84 */ + __IO uint32_t JDR3; /*!< ADC injected data register 3, Address offset: 0x88 */ + __IO uint32_t JDR4; /*!< ADC injected data register 4, Address offset: 0x8C */ + uint32_t RESERVED7[4]; /*!< Reserved, 0x090 - 0x09C */ + __IO uint32_t AWD2CR; /*!< ADC Analog Watchdog 2 Configuration Register, Address offset: 0xA0 */ + __IO uint32_t AWD3CR; /*!< ADC Analog Watchdog 3 Configuration Register, Address offset: 0xA4 */ + uint32_t RESERVED8; /*!< Reserved, 0x0A8 */ + uint32_t RESERVED9; /*!< Reserved, 0x0AC */ + __IO uint32_t DIFSEL; /*!< ADC Differential Mode Selection Register, Address offset: 0xB0 */ + __IO uint32_t CALFACT; /*!< ADC Calibration Factors, Address offset: 0xB4 */ + +} ADC_TypeDef; + +typedef struct +{ + __IO uint32_t CSR; /*!< ADC Common status register, Address offset: ADC1/3 base address + 0x300 */ + uint32_t RESERVED; /*!< Reserved, ADC1/3 base address + 0x304 */ + __IO uint32_t CCR; /*!< ADC common control register, Address offset: ADC1/3 base address + 0x308 */ + __IO uint32_t CDR; /*!< ADC common regular data register for dual + AND triple modes, Address offset: ADC1/3 base address + 0x30C */ +} ADC_Common_TypeDef; + +/** + * @brief Controller Area Network TxMailBox + */ +typedef struct +{ + __IO uint32_t TIR; /*!< CAN TX mailbox identifier register */ + __IO uint32_t TDTR; /*!< CAN mailbox data length control and time stamp register */ + __IO uint32_t TDLR; /*!< CAN mailbox data low register */ + __IO uint32_t TDHR; /*!< CAN mailbox data high register */ +} CAN_TxMailBox_TypeDef; + +/** + * @brief Controller Area Network FIFOMailBox + */ +typedef struct +{ + __IO uint32_t RIR; /*!< CAN receive FIFO mailbox identifier register */ + __IO uint32_t RDTR; /*!< CAN receive FIFO mailbox data length control and time stamp register */ + __IO uint32_t RDLR; /*!< CAN receive FIFO mailbox data low register */ + __IO uint32_t RDHR; /*!< CAN receive FIFO mailbox data high register */ +} CAN_FIFOMailBox_TypeDef; + +/** + * @brief Controller Area Network FilterRegister + */ +typedef struct +{ + __IO uint32_t FR1; /*!< CAN Filter bank register 1 */ + __IO uint32_t FR2; /*!< CAN Filter bank register 1 */ +} CAN_FilterRegister_TypeDef; + +/** + * @brief Controller Area Network + */ +typedef struct +{ + __IO uint32_t MCR; /*!< CAN master control register, Address offset: 0x00 */ + __IO uint32_t MSR; /*!< CAN master status register, Address offset: 0x04 */ + __IO uint32_t TSR; /*!< CAN transmit status register, Address offset: 0x08 */ + __IO uint32_t RF0R; /*!< CAN receive FIFO 0 register, Address offset: 0x0C */ + __IO uint32_t RF1R; /*!< CAN receive FIFO 1 register, Address offset: 0x10 */ + __IO uint32_t IER; /*!< CAN interrupt enable register, Address offset: 0x14 */ + __IO uint32_t ESR; /*!< CAN error status register, Address offset: 0x18 */ + __IO uint32_t BTR; /*!< CAN bit timing register, Address offset: 0x1C */ + uint32_t RESERVED0[88]; /*!< Reserved, 0x020 - 0x17F */ + CAN_TxMailBox_TypeDef sTxMailBox[3]; /*!< CAN Tx MailBox, Address offset: 0x180 - 0x1AC */ + CAN_FIFOMailBox_TypeDef sFIFOMailBox[2]; /*!< CAN FIFO MailBox, Address offset: 0x1B0 - 0x1CC */ + uint32_t RESERVED1[12]; /*!< Reserved, 0x1D0 - 0x1FF */ + __IO uint32_t FMR; /*!< CAN filter master register, Address offset: 0x200 */ + __IO uint32_t FM1R; /*!< CAN filter mode register, Address offset: 0x204 */ + uint32_t RESERVED2; /*!< Reserved, 0x208 */ + __IO uint32_t FS1R; /*!< CAN filter scale register, Address offset: 0x20C */ + uint32_t RESERVED3; /*!< Reserved, 0x210 */ + __IO uint32_t FFA1R; /*!< CAN filter FIFO assignment register, Address offset: 0x214 */ + uint32_t RESERVED4; /*!< Reserved, 0x218 */ + __IO uint32_t FA1R; /*!< CAN filter activation register, Address offset: 0x21C */ + uint32_t RESERVED5[8]; /*!< Reserved, 0x220-0x23F */ + CAN_FilterRegister_TypeDef sFilterRegister[28]; /*!< CAN Filter Register, Address offset: 0x240-0x31C */ +} CAN_TypeDef; + +/** + * @brief Analog Comparators + */ +typedef struct +{ + __IO uint32_t CSR; /*!< COMP control and status register, Address offset: 0x00 */ +} COMP_TypeDef; + +typedef struct +{ + __IO uint32_t CSR; /*!< COMP control and status register, used for bits common to several COMP instances, Address offset: 0x00 */ +} COMP_Common_TypeDef; + +/** + * @brief CRC calculation unit + */ + +typedef struct +{ + __IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */ + __IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */ + uint8_t RESERVED0; /*!< Reserved, 0x05 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */ + uint32_t RESERVED2; /*!< Reserved, 0x0C */ + __IO uint32_t INIT; /*!< Initial CRC value register, Address offset: 0x10 */ + __IO uint32_t POL; /*!< CRC polynomial register, Address offset: 0x14 */ +} CRC_TypeDef; + +/** + * @brief Digital to Analog Converter + */ + +typedef struct +{ + __IO uint32_t CR; /*!< DAC control register, Address offset: 0x00 */ + __IO uint32_t SWTRIGR; /*!< DAC software trigger register, Address offset: 0x04 */ + __IO uint32_t DHR12R1; /*!< DAC channel1 12-bit right-aligned data holding register, Address offset: 0x08 */ + __IO uint32_t DHR12L1; /*!< DAC channel1 12-bit left aligned data holding register, Address offset: 0x0C */ + __IO uint32_t DHR8R1; /*!< DAC channel1 8-bit right aligned data holding register, Address offset: 0x10 */ + __IO uint32_t RESERVED0; /*!< Reserved, 0x14 */ + __IO uint32_t RESERVED1; /*!< Reserved, 0x18 */ + __IO uint32_t RESERVED2; /*!< Reserved, 0x1C */ + __IO uint32_t DHR12RD; /*!< Dual DAC 12-bit right-aligned data holding register, Address offset: 0x20 */ + __IO uint32_t DHR12LD; /*!< DUAL DAC 12-bit left aligned data holding register, Address offset: 0x24 */ + __IO uint32_t DHR8RD; /*!< DUAL DAC 8-bit right aligned data holding register, Address offset: 0x28 */ + __IO uint32_t DOR1; /*!< DAC channel1 data output register, Address offset: 0x2C */ + __IO uint32_t RESERVED3; /*!< Reserved, 0x30 */ + __IO uint32_t SR; /*!< DAC status register, Address offset: 0x34 */ +} DAC_TypeDef; + +/** + * @brief Debug MCU + */ + +typedef struct +{ + __IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */ + __IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */ + __IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */ + __IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */ +}DBGMCU_TypeDef; + +/** + * @brief DMA Controller + */ + +typedef struct +{ + __IO uint32_t CCR; /*!< DMA channel x configuration register */ + __IO uint32_t CNDTR; /*!< DMA channel x number of data register */ + __IO uint32_t CPAR; /*!< DMA channel x peripheral address register */ + __IO uint32_t CMAR; /*!< DMA channel x memory address register */ +} DMA_Channel_TypeDef; + +typedef struct +{ + __IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */ + __IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */ +} DMA_TypeDef; + +/** + * @brief External Interrupt/Event Controller + */ + +typedef struct +{ + __IO uint32_t IMR; /*!