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ringbuffer and device detection to USB-CAN-relay

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This commit is contained in:
Edward Emelianov
2024-08-02 11:58:40 +03:00
parent 9470b22c88
commit 0cb9b5f3c8
30 changed files with 1440 additions and 733 deletions
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42
F0:F030,F042,F072/usbcan_relay/hardware.c
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@@ -94,55 +94,33 @@ void pause_ms(uint32_t pause){
while(Tms < Tnxt) nop();
}
#ifndef STM32F072xB
#warning "Only F072 can jump to bootloader"
#endif
#ifdef EBUG
void Jump2Boot(){
__disable_irq();
IWDG->KR = IWDG_REFRESH;
void Jump2Boot(){ // for STM32F072
void (*SysMemBootJump)(void);
volatile uint32_t addr = SystemMem;
volatile uint32_t addr = 0x1FFFC800;
// reset systick
SysTick->CTRL = 0;
// reset clocks
RCC->APB1RSTR = RCC_APB1RSTR_CECRST | RCC_APB1RSTR_DACRST | RCC_APB1RSTR_PWRRST | RCC_APB1RSTR_CRSRST |
RCC_APB1RSTR_CANRST | RCC_APB1RSTR_USBRST | RCC_APB1RSTR_I2C2RST | RCC_APB1RSTR_I2C1RST |
RCC_APB1RSTR_USART4RST | RCC_APB1RSTR_USART3RST | RCC_APB1RSTR_USART2RST | RCC_APB1RSTR_SPI2RST |
RCC_APB1RSTR_WWDGRST | RCC_APB1RSTR_TIM14RST |
#ifdef STM32F072xB
RCC_APB1RSTR_TIM7RST | RCC_APB1RSTR_TIM6RST |
#endif
RCC_APB1RSTR_WWDGRST | RCC_APB1RSTR_TIM14RST | RCC_APB1RSTR_TIM7RST | RCC_APB1RSTR_TIM6RST |
RCC_APB1RSTR_TIM3RST | RCC_APB1RSTR_TIM2RST;
RCC->APB2RSTR = RCC_APB2RSTR_DBGMCURST | RCC_APB2RSTR_TIM17RST | RCC_APB2RSTR_TIM16RST |
#ifdef STM32F072xB
RCC_APB2RSTR_TIM15RST |
#endif
RCC->APB2RSTR = RCC_APB2RSTR_DBGMCURST | RCC_APB2RSTR_TIM17RST | RCC_APB2RSTR_TIM16RST | RCC_APB2RSTR_TIM15RST |
RCC_APB2RSTR_USART1RST | RCC_APB2RSTR_SPI1RST | RCC_APB2RSTR_TIM1RST | RCC_APB2RSTR_ADCRST | RCC_APB2RSTR_SYSCFGRST;
RCC->AHBRSTR = 0;
RCC->APB1RSTR = 0;
RCC->APB2RSTR = 0;
// enable SYSCFG clocking
// Enable the SYSCFG peripheral.
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
__DSB();
// remap system flash memory to 0 (only for STM32F0)
// remap memory to 0 (only for STM32F0)
SYSCFG->CFGR1 = 0x01; __DSB(); __ISB();
SysMemBootJump = (void (*)(void)) (*((uint32_t *)(addr + 4)));
// set main stack pointer
__set_MSP(*((uint32_t *)addr));
IWDG->KR = IWDG_REFRESH;
// 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 :( )
// jump to bootloader
SysMemBootJump();
}
#endif