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seems like U[S]ARTS OK, not tested yet

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This commit is contained in:
Edward Emelianov
2026-02-15 00:24:26 +03:00
parent 26e74a6b89
commit cd8151c684
10 changed files with 331 additions and 99 deletions
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55
F3:F303/InterfaceBoard/hardware.c
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@@ -21,18 +21,61 @@
uint8_t Config_mode = 0;
static inline void gpio_setup(){
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | RCC_AHBENR_DMA1EN | RCC_AHBENR_DMA2EN;
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | RCC_AHBENR_GPIOCEN | RCC_AHBENR_GPIODEN
| RCC_AHBENR_DMA1EN | RCC_AHBENR_DMA2EN;
RCC->APB1ENR |= RCC_APB1ENR_CANEN | RCC_APB1ENR_USART2EN | RCC_APB1ENR_USART3EN
| RCC_APB1ENR_UART4EN | RCC_APB1ENR_UART5EN;
RCC->APB2ENR |= RCC_APB2ENR_USART1EN;
for(int i = 0; i < 10000; ++i) nop();
// USB - alternate function 14 @ pins PA11/PA12; SWD - AF0 @PA13/14
/********************************************
* PA1 * USART2 DE * PP OUT *
* PA2 * USART2 TX * AF7 *
* PA3 * USART2 RX * AF7 *
* PA5 * SPI1 SCK * AF5 *
* PA6 * SPI1 MISO * AF5 *
* PA9 * (CONF EN) * PU IN *
* PA10 * (USB PU) * PP OUT *
* PA11 * USB DM * AF14 *
* PA12 * USB DP * AF14 *
* PA13 * SWDIO * AF0 *
* PA14 * SWCLK * AF0 *
********************************************/
GPIOA->AFR[0] = AFRf(7, 2) | AFRf(7, 3) | AFRf(5, 5) | AFRf(5, 6);
GPIOA->AFR[1] = AFRf(14, 11) | AFRf(14, 12);
// PA9 - config jumper (PU in), PA10 - USB pullup (PP)
GPIOA->MODER = MODER_I(9) | MODER_O(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
GPIOA->OSPEEDR = OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
GPIOA->MODER = MODER_O(1) | MODER_AF(2) | MODER_AF(3) | MODER_AF(5) | MODER_AF(6) | MODER_I(9) | MODER_O(10)
| MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
GPIOA->OSPEEDR = OSPEED_MED(2) | OSPEED_MED(3) | OSPEED_HI(5) | OSPEED_HI(6)
| OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
GPIOA->PUPDR = PUPD_PU(9);
for(int i = 0; i < 10000; ++i) nop();
/********************************************
* PB0 * USART1 DE * PP OUT *
* PB8 * CAN RX * AF9 *
* PB9 * CAN TX * AF9 *
* PB10 * USART3 TX * AF7 *
* PB11 * USART3 RX * AF7 *
* PB14 * USART3 DE * PP OUT *
********************************************/
GPIOB->AFR[1] = AFRf(9, 8) | AFRf(9, 9) | AFRf(7, 10) | AFRf(7, 11);
GPIOB->MODER = MODER_O(0) | MODER_AF(8) | MODER_AF(9) | MODER_AF(10) | MODER_AF(11) | MODER_O(14);
GPIOB->OSPEEDR = OSPEED_HI(8) | OSPEED_HI(9) | OSPEED_MED(10) | OSPEED_MED(11);
/********************************************
* PC4 * USART1 TX * AF7 *
* PC5 * USART1 RX * AF7 *
* PC10 * UART4 TX * AF5 *
* PC11 * UART4 RX * AF5 *
* PC12 * UART5 TX * AF5 *
********************************************/
GPIOC->AFR[0] = AFRf(7, 4) | AFRf(7, 5);
GPIOC->AFR[1] = AFRf(5, 10) | AFRf(5, 11) | AFRf(5, 12);
GPIOC->MODER = MODER_AF(4) | MODER_AF(5) | MODER_AF(10) | MODER_AF(11) | MODER_AF(12);
GPIOC->OSPEEDR = OSPEED_MED(4) | OSPEED_MED(5) | OSPEED_MED(10) | OSPEED_MED(11) | OSPEED_MED(12);
/********************************************
* PD2 * UART5 RX * AF5 *
********************************************/
GPIOD->AFR[0] = AFRf(5, 2);
GPIOD->MODER = MODER_AF(2);
GPIOD->OSPEEDR = OSPEED_MED(2);
for(int i = 0; i < 10000; ++i) nop(); // wait a little before reading CFG pin
if(CFG_ON()) Config_mode = 1;
}