Форум РадиоКот

Код: Выделить всё

stm32flash -j /dev/ttyUSB0
sleep 1
stm32flash -k /dev/ttyUSB0
sleep 1
stm32flash -e 0 -w $(frmname).bin /dev/ttyUSB0

Код: Выделить всё

make flash
  FLASH  blink.bin
/usr/bin/st-flash write blink.bin 0x8000000
st-flash 1.6.0
2021-07-13T21:18:20 INFO common.c: Loading device parameters....
2021-07-13T21:18:20 INFO common.c: Device connected is: F3 device, id 0x10036422
2021-07-13T21:18:20 INFO common.c: SRAM size: 0xa000 bytes (40 KiB), Flash: 0x20000 bytes (128 KiB) in pages of 2048 bytes
2021-07-13T21:18:20 INFO common.c: Attempting to write 612 (0x264) bytes to stm32 address: 134217728 (0x8000000)
Flash page at addr: 0x08000000 erased
2021-07-13T21:18:20 INFO common.c: Finished erasing 1 pages of 2048 (0x800) bytes
2021-07-13T21:18:20 INFO common.c: Starting Flash write for VL/F0/F3/F1_XL core id
2021-07-13T21:18:20 INFO flash_loader.c: Successfully loaded flash loader in sram
2021-07-13T21:18:24 ERROR flash_loader.c: flash loader run error
2021-07-13T21:18:24 ERROR common.c: stlink_flash_loader_run(0x8000000) failed! == -1
stlink_fwrite_flash() == -1
make: *** [Makefile:137: flash] Error 255

Код: Выделить всё

static void gpio_setup(void){
    RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
    GPIOA->MODER = GPIO_MODER_MODER8_O | GPIO_MODER_MODER6_O;
    GPIOA->ODR = 0;
    GPIOB->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O;
    GPIOB->ODR = 0;
}

Код: Выделить всё

        for (i = 0; i < 100000; i++) __NOP();
        GPIOA->ODR = 0;
        GPIOB->ODR = 3;
        for (i = 0; i < 100000; i++) __NOP();
        GPIOB->ODR = 0;
        GPIOA->ODR = (1<<6) | (1<<8);

Код: Выделить всё

static volatile uint32_t blink_ctr = 0;
void sys_tick_handler(void){
    ++blink_ctr;
}
static void systick_setup(uint32_t xms){
    static uint32_t curms = 0;
    if(curms == xms) return;
    SysTick_Config(6000 * xms);
    curms = xms;
}
static void gpio_setup(void){
    RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN;
    GPIOA->MODER = GPIO_MODER_MODER8_O | GPIO_MODER_MODER6_O;
    GPIOA->ODR = 0;
    GPIOB->MODER = GPIO_MODER_MODER0_O | GPIO_MODER_MODER1_O;
    GPIOB->ODR = 3;
}
int main(void){
    gpio_setup();
    systick_setup(100);
    uint32_t ctr = 0;
    while (1){
        if(blink_ctr - ctr > 5){
            ctr = blink_ctr;
            GPIOB->ODR ^= 3;
            GPIOA->ODR ^= ((1<<6) | (1<<8));
        }
    }
}

Код: Выделить всё

        if(blink_ctr - ctr > 5){
            ctr = blink_ctr;
            pin_toggle(GPIOB, 3);
            pin_toggle(GPIOA, 1<<8|1<<6);
        }

Код: Выделить всё

#define pin_toggle(gpioport, gpios)  do{  \
    register uint32_t __port = gpioport->ODR;  \
    gpioport->BSRR = ((__port & (gpios)) << 16) | (~__port & (gpios));}while(0)

Код: Выделить всё

TRUE_INLINE void StartHSE(){
    __IO uint32_t StartUpCounter = 0;
    RCC->CR = (RCC->CR & ~RCC_CR_PLLON) | RCC_CR_HSEON; // disable PLL to reconfigure, enable HSE
    while(!(RCC->CR & RCC_CR_HSERDY) && (++StartUpCounter < 10000));
    if(RCC->CR & RCC_CR_HSERDY){
        // Enable Prefetch Buffer. Flash 2 wait states for 48..72MHz
        FLASH->ACR = (FLASH->ACR & ~(FLASH_ACR_LATENCY)) |
                FLASH_ACR_LATENCY_1 | FLASH_ACR_PRFTBE;
        // HCLK = SYSCLK (AHB prescaler = 1), PCLK1 = HCLK (APB1 prescaler = 1), PCLK2 = HCLK (APB2 prescaler = 1)
        // PLLCLK = HSE * 9 = 72MHz
        RCC->CFGR = (RCC->CFGR & ~(RCC_CFGR_HPRE | RCC_CFGR_PPRE1 | RCC_CFGR_PPRE2 |
                                   RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMUL)
                     ) | RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR_PLLMUL9;
        RCC->CR |= RCC_CR_PLLON; // Enable PLL
        // Wait till PLL is ready
        StartUpCounter = 0;
        while(!(RCC->CR & RCC_CR_PLLRDY) && (++StartUpCounter < 1000)){}
        // Select PLL as system clock source
        RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;
        // Wait till PLL is used as system clock source
        StartUpCounter = 0;
        while(((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_1) && (++StartUpCounter < 1000)){}
    }else{ // HSE fails to start-up
        RCC->CIR = 0;
        RCC->CR |= RCC_CR_HSION;
        // To adjust HSI use HSITRIM and after that wait for HSIRDY
    }
}

Код: Выделить всё

__STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks, uint32_t div8)
{
  if ((ticks - 1) > SysTick_LOAD_RELOAD_Msk)  return (1);      /* Reload value impossible */

  SysTick->LOAD  = ticks - 1;                                  /* set reload register */
  NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1);  /* set Priority for Systick Interrupt */
  SysTick->VAL   = 0;                                          /* Load the SysTick Counter Value */
  SysTick->CTRL  = SysTick_CTRL_TICKINT_Msk   |
                   SysTick_CTRL_ENABLE_Msk;
  if(!div8) SysTick->CTRL |= SysTick_CTRL_CLKSOURCE_Msk;
  return (0);
}