Stm32F103面向对象编程之GPIO

STM32F103 GPIO面向对象变成实例

　　创建一个GPIO对象

GpioClass gStateLed = NEW_GPIO(C, 0, GPIO_Mode_Out_PP);

　　初始化对象

GpioConfig(&gStateLed);

　　使用对象

GPIO_TOGGLE(gStateLed);

　　

Gpio.c

/******************** (C) COPYRIGHT 2017  ***********************************
File name:
Description:
Author: duking
Version: 1.0.0
Date: 2017.2.4
History:
*****************************************************************************/
#include "Gpio.h"

/*******************************************************************************
* Function Name  :
* Description    :
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void GpioConfig(GpioClass* gpio)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(gpio->rcc_mask, ENABLE);

    GPIO_InitStructure.GPIO_Pin = gpio->pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = gpio->mode;

    GPIO_Init(gpio->port, &GPIO_InitStructure);
}

/*******************************************************************************
* Function Name  :
* Description    :
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void GpioListConfig(GpioClass* gpio_list, uint8_t len)
{
    for(int i = 0; i < len; i ++){
        GpioConfig(&(gpio_list[i]));
    }
}

/*******************************************************************************
* Function Name  :
* Description    :
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void GpioConfigLowSpeed(GpioClass* gpio)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(gpio->rcc_mask, ENABLE);

    GPIO_InitStructure.GPIO_Pin = gpio->pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_InitStructure.GPIO_Mode = gpio->mode;

    GPIO_Init(gpio->port, &GPIO_InitStructure);
}

/******************* (C) COPYRIGHT 2017 *******END OF FILE********************/

　　Gpio.h

/******************** (C) COPYRIGHT 2017  ***********************************
File name:
Description:
Author: duking
Version: 1.0.0
Date: 2017.2.4
History:
*****************************************************************************/
#ifndef CONFIG_GPIO_H_
#define CONFIG_GPIO_H_

#include "stm32f10x.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
		GPIO_TypeDef* port;
		uint16_t pin;
		uint32_t rcc_mask;
		GPIOMode_TypeDef mode;
} GpioClass;

#define NEW_GPIO(port_, pin_, mode_)    {         \
		.port     = GPIO##port_,                      \
		.pin      = GPIO_Pin_##pin_,                 	\
		.rcc_mask = RCC_APB2Periph_GPIO##port_,      	\
		.mode     = mode_                             \
}

#define NEW_GPIO_NOMODE(port_, pin_)    {         \
			.port     = GPIO##port_,                    \
			.pin      = GPIO_Pin_##pin_,                \
			.rcc_mask = RCC_APB2Periph_GPIO##port_      \
}

void GpioConfig(GpioClass* gpio);
void GpioListConfig(GpioClass* gpio_list, uint8_t len);
void GpioConfigLowSpeed(GpioClass* gpio);

#define GPIO_NO_REMAP (uint32_t)-1

#define GPIO_SET(GPIO)		GPIO_WriteBit((GPIO).port, (GPIO).pin, Bit_SET)
#define GPIO_RESET(GPIO)	GPIO_WriteBit((GPIO).port, (GPIO).pin, Bit_RESET)
#define GPIO_TOGGLE(GPIO)	GPIO_WriteBit((GPIO).port, (GPIO).pin, (BitAction)!GPIO_ReadOutputDataBit((GPIO).port, (GPIO).pin))
#define GPIO_READ(GPIO)		GPIO_ReadInputDataBit((GPIO).port, (GPIO).pin)

#ifdef __cplusplus
}
#endif

#endif
/******************* (C) COPYRIGHT 2017 *******END OF FILE********************/