板子到了,我下载了资料,看原理图,一边是STLINK,可是接上没反应。
工程里没有STLINK。我用JLINK的SW方式也下载不进去。
后来,我在ST官网上下载了一个编程软件
用STLINK可以下载。
先下载SDK里的点灯程序试一试,果然好使。
原理图:
PC7接的其实是黄灯,上面标的绿灯。
主程序代码:
- #include "main.h"
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- /* USER CODE END Includes */
- /* Private typedef -----------------------------------------------------------*/
- /* USER CODE BEGIN PTD */
- /* USER CODE END PTD */
- /* Private define ------------------------------------------------------------*/
- /* USER CODE BEGIN PD */
- /* USER CODE END PD */
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PM */
- /* USER CODE END PM */
- /* Private variables ---------------------------------------------------------*/
- /* USER CODE BEGIN PV */
- static GPIO_InitTypeDef GPIO_InitStruct;
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void SystemPower_Config(void);
- static void MX_ICACHE_Init(void);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] The application entry point.
- * @retval int
- */
- int main(void)
- {
- /* USER CODE BEGIN 1 */
- /* STM32U5xx HAL library initialization:
- - Configure the Flash prefetch
- - Configure the Systick to generate an interrupt each 1 msec
- - Set NVIC Group Priority to 3
- - Low Level Initialization
- */
- /* USER CODE END 1 */
- /* MCU Configuration--------------------------------------------------------*/
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* USER CODE BEGIN Init */
- /* USER CODE END Init */
- /* Configure the system clock */
- SystemClock_Config();
- /* Configure the System Power */
- SystemPower_Config();
- /* USER CODE BEGIN SysInit */
- /* USER CODE END SysInit */
- /* Initialize all configured peripherals */
- MX_ICACHE_Init();
- /* USER CODE BEGIN 2 */
- /* -1- Enable GPIO Clock (to be able to program the configuration registers) */
- LED1_GPIO_CLK_ENABLE();
- LED2_GPIO_CLK_ENABLE();
- /* -2- Configure IO in output push-pull mode to drive external LEDs */
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_PULLUP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- GPIO_InitStruct.Pin = LED1_PIN;
- HAL_GPIO_Init(LED1_GPIO_PORT, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = LED2_PIN;
- HAL_GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStruct);
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- HAL_GPIO_TogglePin(LED1_GPIO_PORT, LED1_PIN);
- /* Insert delay 100 ms */
- HAL_Delay(1000);
- HAL_GPIO_TogglePin(LED2_GPIO_PORT, LED2_PIN);
- /* Insert delay 100 ms */
- HAL_Delay(1000);
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- /** Configure the main internal regulator output voltage
- */
- if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
- RCC_OscInitStruct.MSIState = RCC_MSI_ON;
- RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_4;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
- RCC_OscInitStruct.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1;
- RCC_OscInitStruct.PLL.PLLM = 1;
- RCC_OscInitStruct.PLL.PLLN = 80;
- RCC_OscInitStruct.PLL.PLLP = 2;
- RCC_OscInitStruct.PLL.PLLQ = 2;
- RCC_OscInitStruct.PLL.PLLR = 2;
- RCC_OscInitStruct.PLL.PLLRGE = RCC_PLLVCIRANGE_0;
- RCC_OscInitStruct.PLL.PLLFRACN = 0;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB busses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
- |RCC_CLOCKTYPE_PCLK3;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief Power Configuration
- * @retval None
- */
- static void SystemPower_Config(void)
- {
- /*
- * Disable the internal Pull-Up in Dead Battery pins of UCPD peripheral
- */
- HAL_PWREx_DisableUCPDDeadBattery();
- /*
- * Switch to SMPS regulator instead of LDO
- */
- if (HAL_PWREx_ConfigSupply(PWR_SMPS_SUPPLY) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief ICACHE Initialization Function
- * @param None
- * @retval None
- */
- static void MX_ICACHE_Init(void)
- {
- /* USER CODE BEGIN ICACHE_Init 0 */
- /* USER CODE END ICACHE_Init 0 */
- /* USER CODE BEGIN ICACHE_Init 1 */
- /* USER CODE END ICACHE_Init 1 */
- /** Enable instruction cache in 1-way (direct mapped cache)
- */
- if (HAL_ICACHE_ConfigAssociativityMode(ICACHE_1WAY) != HAL_OK)
- {
- Error_Handler();
- }
- if (HAL_ICACHE_Enable() != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN ICACHE_Init 2 */
- /* USER CODE END ICACHE_Init 2 */
- }
- /* USER CODE BEGIN 4 */
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler_Debug */
- /* User can add his own implementation to report the HAL error return state */
- while(1)
- {
- }
- /* USER CODE END Error_Handler_Debug */
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t *file, uint32_t line)
- {
- /* USER CODE BEGIN 6 */
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* Infinite loop */
- while (1)
- {
- }
- /* USER CODE END 6 */
- }
- #endif /* USE_FULL_ASSERT */
初始化代码:
- #define LED1_PIN GPIO_PIN_7
- #define LED1_GPIO_PORT GPIOC
- #define LED1_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
- #define LED1_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
- #define LED2_PIN GPIO_PIN_7
- #define LED2_GPIO_PORT GPIOB
- #define LED2_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
- #define LED2_GPIO_CLK_DISABLE() __HAL_RCC_GPIOB_CLK_DISABLE()
烧写软件界面:
效果图:
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