- 制作STM32H743VIT6的BSP包烧录后板子没反应，进行debug时会卡死在rt_hw_hard_fault_exception，并且调试串口也没输出（用的串口1）；
可以确认硬件可用，使用CubeMX生成的简单工程电灯和串口都能用。
时钟配置
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- /** Supply configuration update enable
- */
- HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
- /** Configure the main internal regulator output voltage
- */
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
- while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
- /** Initializes the RCC Oscillators according to the specified parameters
- * in the RCC_OscInitTypeDef structure.
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 2;
- RCC_OscInitStruct.PLL.PLLN = 32;
- RCC_OscInitStruct.PLL.PLLP = 2;
- RCC_OscInitStruct.PLL.PLLQ = 2;
- RCC_OscInitStruct.PLL.PLLR = 2;
- RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_3;
- RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
- RCC_OscInitStruct.PLL.PLLFRACN = 0;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB buses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
- |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
- RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
- RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
- {
- Error_Handler();
- }
- }
主程序
- int main(void)
- {
- int count = 1;
- /* set LED0 pin mode to output */
- rt_pin_mode(18, PIN_MODE_OUTPUT);
- rt_pin_mode(45, PIN_MODE_OUTPUT);
- while (count++)
- {
- rt_pin_write(18, PIN_HIGH);
- rt_pin_write(45, PIN_HIGH);
- HAL_Delay(50);
- rt_pin_write(18, PIN_LOW);
- rt_pin_write(45, PIN_LOW);
- HAL_Delay(50);
- }
- return RT_EOK;
- }
