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全球首发，使用hal库Proteus 仿真stm32f103实现跑马灯
由于3.5的库，Proteus 支持不太好，开始转向hal库。
- #include "led.h"
- void LED_Init(void)
- {
- GPIO_InitTypeDef GPIO_Initure;
- __HAL_RCC_GPIOA_CLK_ENABLE(); //开启GPIOA时钟
- __HAL_RCC_GPIOD_CLK_ENABLE(); //开启GPIOD时钟
-
- GPIO_Initure.Pin=GPIO_PIN_8; //PB5
- GPIO_Initure.Mode=GPIO_MODE_OUTPUT_PP; //推挽输出
- GPIO_Initure.Pull=GPIO_PULLUP; //上拉
- GPIO_Initure.Speed=GPIO_SPEED_HIGH; //高速
- HAL_GPIO_Init(GPIOA,&GPIO_Initure);
- GPIO_Initure.Pin=GPIO_PIN_2; //PE5
- HAL_GPIO_Init(GPIOD,&GPIO_Initure);
-
- HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_SET); //PA8置1，默认初始化后灯灭
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_SET); //PD2置1，默认初始化后灯灭
- }
- #include "sys.h"
- #include "delay.h"
- #include "usart.h"
- #include "led.h"
- void SystemClock_Config(void);
- void Error_Handler(void);
- int main(void)
- {
- HAL_Init(); //初始化HAL库
- //Stm32_Clock_Init(RCC_PLL_MUL9); //设置时钟,72M
- SystemClock_Config();
- delay_init(72); //初始化延时函数
- LED_Init(); //初始化LED
- while(1)
- {
- HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_RESET); //LED0对应引脚PB5拉低，亮，等同于LED0(0)
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_SET); //LED1对应引脚PE5拉高，灭，等同于LED1(1)
- HAL_Delay(1000); //延时500ms
- HAL_GPIO_WritePin(GPIOA,GPIO_PIN_8,GPIO_PIN_SET); //LED0对应引脚PB5拉高，灭，等同于LED0(1)
- HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_RESET); //LED1对应引脚PE5拉低，亮，等同于LED1(0)
- HAL_Delay(1000);
- }
- }
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- /**Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = 16;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- 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_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
- {
- Error_Handler();
- }
- /**Configure the Systick interrupt time
- */
- HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
- /**Configure the Systick
- */
- HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
- /* SysTick_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
- }
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler */
- /* User can add his own implementation to report the HAL error return state */
- while(1)
- {
- }
- /* USER CODE END Error_Handler */
- }
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1跑马灯.zip
761.55 KB, 下载次数: 105, 下载积分: 黑币 -5
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