今天先来点个灯,吧环境搭建起来工程建立好,后面就可以愉快的玩耍了,
首先看看电路图,三个LED灯分别连接的是PB0、PF4、PG4,所以的话需要设置三个端口的时钟和IO。
我们这里测试的时候只用PB0作测试,
在调试的过程中,我们会发现时钟初始化的时候一直在等待外部时钟初始化成功,但是一直没有成功,所以我选择直接先跳过使用外部时钟的初始化过程,先验证IO是否正常。
然后再来处理HSE的问题。
目前没有查询到具体问题,然后就直接使用Hall库重新建立工程,开始调试,具体代码如下
- #include "stm32h5xx_hal.h"
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
- while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS_DIGITAL;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLL1_SOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 4;
- RCC_OscInitStruct.PLL.PLLN = 250;
- RCC_OscInitStruct.PLL.PLLP = 2;
- RCC_OscInitStruct.PLL.PLLQ = 2;
- RCC_OscInitStruct.PLL.PLLR = 2;
- RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1_VCIRANGE_1;
- RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1_VCORANGE_WIDE;
- RCC_OscInitStruct.PLL.PLLFRACN = 0;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- }
- /** 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_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_5) != HAL_OK)
- {
- }
- }
- static void MX_ICACHE_Init(void)
- {
- if (HAL_ICACHE_Enable() != HAL_OK)
- {
- }
- }
- void LED_GPIO_Init(void)
- {
- GPIO_InitTypeDef gpio_init_structure;
- __HAL_RCC_GPIOB_CLK_ENABLE();
- gpio_init_structure.Pin =GPIO_PIN_0;
- gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
- gpio_init_structure.Pull = GPIO_NOPULL;
- gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
- HAL_GPIO_Init(GPIOB, &gpio_init_structure);
- }
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] The application entry point.
- * @retval int
- */
- int main(void)
- {
- HAL_Init();
- SystemClock_Config();
- LED_GPIO_Init();
- while (1)
- {
- HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
- HAL_Delay(100);
- }
- /* USER CODE END 3 */
- }
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] System Clock Configuration
- * @retval None
- */
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