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usbcan_relay works!

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This commit is contained in:
Edward Emelianov
2021-07-24 15:17:00 +03:00
parent 4fc13b2b11
commit f554e66e24
11 changed files with 459 additions and 13 deletions
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26
F0-nolib/usbcan_relay/hardware.c
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@@ -27,6 +27,10 @@ const uint32_t LEDpins[LEDSNO] = {1<<12, 1<<13, 1<<14, 1<<15};
// Buttons: PA2..PA5, pullup
GPIO_TypeDef *BTNports[BTNSNO] = {GPIOA, GPIOA, GPIOA, GPIOA};
const uint32_t BTNpins[BTNSNO] = {1<<2, 1<<3, 1<<4, 1<<5};
// relays: PA0/1
GPIO_TypeDef *R_ports[RelaysNO] = {GPIOA, GPIOA};
const uint32_t R_pins[RelaysNO] = {1<<0, 1<<1};
void gpio_setup(void){
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
@@ -37,8 +41,8 @@ void gpio_setup(void){
GPIOB->PUPDR = GPIO_PUPDR0_PU | GPIO_PUPDR1_PU | GPIO_PUPDR2_PU | GPIO_PUPDR3_PU | GPIO_PUPDR4_PU |
GPIO_PUPDR5_PU | GPIO_PUPDR6_PU | GPIO_PUPDR7_PU;
// relays (PA0..1) as outputs, buttons (PA2..5) as pullup inputs
// PA8..10 - PWM @ TIM1
GPIOA->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O |
// PA6,7 - ADC IN, PA8..10 - PWM @ TIM1
GPIOA->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O | GPIO_MODER_MODER6_AI | GPIO_MODER_MODER7_AI |
GPIO_MODER_MODER8_AF | GPIO_MODER_MODER9_AF | GPIO_MODER_MODER10_AF;
GPIOA->PUPDR = GPIO_PUPDR2_PU | GPIO_PUPDR3_PU | GPIO_PUPDR4_PU | GPIO_PUPDR5_PU;
CANID = (~READ_INV_CAN_ADDR()) & CAN_INV_ID_MASK;
@@ -90,6 +94,8 @@ void pause_ms(uint32_t pause){
while(Tms < Tnxt) nop();
}
#ifdef EBUG
void Jump2Boot(){
__disable_irq();
IWDG->KR = IWDG_REFRESH;
@@ -123,6 +129,20 @@ void Jump2Boot(){
// set main stack pointer
__set_MSP(*((uint32_t *)addr));
IWDG->KR = IWDG_REFRESH;
// jump to bootloader
// due to "empty check" mechanism, STM32F042 can jump to bootloader only with empty first 4 bytes of user code
while ((FLASH->SR & FLASH_SR_BSY) != 0){}
FLASH->SR = FLASH_SR_EOP | FLASH_SR_PGERR | FLASH_SR_WRPRTERR;
if ((FLASH->CR & FLASH_CR_LOCK) != 0){
FLASH->KEYR = FLASH_KEY1;
FLASH->KEYR = FLASH_KEY2;
}
FLASH->CR |= FLASH_CR_PER;
FLASH->AR = 0x08000000; // erase zero's page
FLASH->CR |= FLASH_CR_STRT;
while(!(FLASH->SR & FLASH_SR_EOP));
FLASH->SR |= FLASH_SR_EOP;
FLASH->CR &= ~FLASH_CR_PER;
// jump to bootloader (don't work :( )
SysMemBootJump();
}
#endif