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先决条件:需要准备对开发板进行正确焊接
环境准备:准备如图两款软件,若对keil原生环境不喜欢,可以使用VS code配置keil环境即可

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 HAL_GPIO_WritePin(RED_LIGHT_GPIO_Port,RED_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(BLUE_LIGHT_GPIO_Port,BLUE_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(GREEN_LIGHT_GPIO_Port,GREEN_LIGHT_Pin,GPIO_PIN_RESET);
 HAL_Delay(1000);
 
 HAL_GPIO_WritePin(GREEN_LIGHT_GPIO_Port,GREEN_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(BLUE_LIGHT_GPIO_Port,BLUE_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(RED_LIGHT_GPIO_Port,RED_LIGHT_Pin,GPIO_PIN_RESET);
 HAL_Delay(1000);
 
 HAL_GPIO_WritePin(RED_LIGHT_GPIO_Port,RED_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(GREEN_LIGHT_GPIO_Port,GREEN_LIGHT_Pin,GPIO_PIN_SET);
 HAL_GPIO_WritePin(BLUE_LIGHT_GPIO_Port,BLUE_LIGHT_Pin,GPIO_PIN_RESET);
 HAL_Delay(1000);