Alios Things SDK ESP32 GPIO管脚定义

platform\mcu\esp32\bsp\include\driver\include\driver\gpio.h

 

#ifndef _DRIVER_GPIO_H_
#define _DRIVER_GPIO_H_
#include "esp_err.h"
#include <esp_types.h>
#include "soc/gpio_reg.h"
#include "soc/gpio_struct.h"
#include "soc/rtc_io_reg.h"
#include "soc/io_mux_reg.h"
#include "soc/gpio_sig_map.h"
#include "rom/gpio.h"
#include "esp_attr.h"
#include "esp_intr_alloc.h"

#ifdef __cplusplus
extern "C" {
#endif

#define GPIO_SEL_0              (BIT(0))                         /*!< Pin 0 selected */
#define GPIO_SEL_1              (BIT(1))                         /*!< Pin 1 selected */
#define GPIO_SEL_2              (BIT(2))                         /*!< Pin 2 selected 
                                                                      @note There are more macros
                                                                      like that up to pin 39,
                                                                      excluding pins 20, 24 and 28..31.
                                                                      They are not shown here 
                                                                      to reduce redundant information. */
/** @cond */
#define GPIO_SEL_3              (BIT(3))                         /*!< Pin 3 selected */
#define GPIO_SEL_4              (BIT(4))                         /*!< Pin 4 selected */
#define GPIO_SEL_5              (BIT(5))                         /*!< Pin 5 selected */
#define GPIO_SEL_6              (BIT(6))                         /*!< Pin 6 selected */
#define GPIO_SEL_7              (BIT(7))                         /*!< Pin 7 selected */
#define GPIO_SEL_8              (BIT(8))                         /*!< Pin 8 selected */
#define GPIO_SEL_9              (BIT(