LED driver library based on Hal Library

led.h

/** ******************************************************************************** * @file led.h * @brief  This document contains some led Definition of basic operation function , Include LED Liang Liang 、 destroy , flashing  * @author Jia Yasen * @date 2022-5-23 * @version V0.0.1 * @copyright Etherealize ******************************************************************************** * @attention 1. The functions in this document are based on HAL library , because LED The initialization of is based on GPIO The initialization ,GPIO The initialization  *  Directly in CubeMX Middle configuration , use CubeMX Generated GPIO Initialization function to initialize . * 2. Because the corresponding pins of different boards are different , Before use, it is necessary to modify according to the schematic diagram LED Pin correspondence and LED *  The on-off state corresponds to the high and low levels of the pins  ******************************************************************************** */
#ifndef __LED_H__
#define __LED_H__
/*-----------------------------Includes---------------------------------------*/
// Modify according to the chip model used 
#include "stm32f1xx_hal.h" 
/*-----------------------------Define-----------------------------------------*/
// Definition LED Of GPIO Group and pin numbers ; It needs to be modified according to the schematic diagram of the board before use 
#define LED1_PORT GPIOx
#define LED1_PIN GPIO_PIN_x
// If more than one LED You can add definitions 
// Definition LED Pin level status corresponding to on and off , Different circuit designs correspond to different , Before use, it is necessary to modify according to the schematic diagram 
#define LED_STATE_ON GPIO_PIN_RESET
#define LED_STATE_OFF GPIO_PIN_SET
/*-----------------------------TypeDef----------------------------------------*/
typedef struct 
{
    
    GPIO_TypeDef* led_port;
    uint16_t led_pin;

}LED_TypeDef;
/*-----------------------------variables--------------------------------------*/
// Declared as an external variable , This allows you to use this variable in the file that references the header file 
// If you need to use more than one LED Then define 
extern LED_TypeDef LED1;
/*-----------------------------Function---------------------------------------*/
void LED_Init(void);
void LED_ON(LED_TypeDef LED_Ptr);
void LED_OFF(LED_TypeDef LED_Ptr);
void LED_Blink(LED_TypeDef LED_Ptr, uint32_t Delay);

#endif
/************************ (C) COPYRIGHT Etherealize*****END OF FILE***********/

led.c

/** ******************************************************************************** * @file led.c * @brief led Operation source file , The overall operation is through a LED Structure to achieve  * @author Jia Yasen * @date 2022-5-23 * @version V0.0.1 * @copyright Etherealize ******************************************************************************** */
/*-----------------------------Includes---------------------------------------*/
#include "led.h"
/*-----------------------------variables--------------------------------------*/
// If you need to use more than one LED, You can define more LED Structure 
//LED_TypeDef* LED1_Ptr;
// If you define a structure pointer , You need to make room for the pointer , Just defining a pointer won't open up space . You can define the structure directly 
// Defining a structure opens up space , When you need to modify the value of a structure in a function , Just deliver the address 
LED_TypeDef LED1;
/*-----------------------------Function---------------------------------------*/

/** * @brief LED Structure pointer initialization  * @param[in] None * @return None * @details  When using, manually modify the pointer to be assigned and its corresponding value  */
void LED_Init(void)
{
    
    // initialization LED Corresponding GPIO Group number and pin serial number 
    LED1.led_port = LED1_PORT;
    LED1.led_port = LED1_PIN;
}

/** * @brief  Lighten up LED * @param[in] LED  To operate LED Structure  * @return None * @details  Because there is no need to change the value in the structure , Just read , So you don't have to pass a pointer , Just pass the structure  */
void LED_ON(LED_TypeDef LED)
{
    
    // The pin is set to the corresponding bit 
    HAL_GPIO_WritePin(LED.led_port, LED.led_pin, LED_STATE_ON);
}

/** * @brief  Extinguish LED * @param[in] LED  To operate LED Structure  * @return None * @details  Because there is no need to change the value in the structure , Just read , So you don't have to pass a pointer , Just pass the structure  */
void LED_OFF(LED_TypeDef LED)
{
    
    // The pin is set to the corresponding bit 
    HAL_GPIO_WritePin(LED.led_port, LED.led_pin, LED_STATE_OFF);
}

/** * @brief LED flashing  * @param[in] LED  To operate LED Structure  * Delay LED Half cycle of flicker （ms）, That is, the duration of a light or dark , Once on + Dark is a blinking cycle . * @return None * @attention  If you want to achieve LED Continuous flashing effect , You need to put this function in an infinite loop  */
void LED_Blink(LED_TypeDef LED, uint32_t Delay)
{
    
    LED_ON(LED);// Lighten up LED
    HAL_Delay(Delay);// The on state lasts Delay ms
    LED_OFF(LED);// Extinguish LED
    HAL_Delay(Delay);// The dark state continues Delay ms

}

/************************ (C) COPYRIGHT Etherealize*****END OF FILE***********/