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
#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(9)) /*!< Pin 9 selected */
#define GPIO_SEL_10 (BIT(10)) /*!< Pin 10 selected */
#define GPIO_SEL_11 (BIT(11)) /*!< Pin 11 selected */
#define GPIO_SEL_12 (BIT(12)) /*!< Pin 12 selected */
#define GPIO_SEL_13 (BIT(13)) /*!< Pin 13 selected */
#define GPIO_SEL_14 (BIT(14)) /*!< Pin 14 selected */
#define GPIO_SEL_15 (BIT(15)) /*!< Pin 15 selected */
#define GPIO_SEL_16 (BIT(16)) /*!< Pin 16 selected */
#define GPIO_SEL_17 (BIT(17)) /*!< Pin 17 selected */
#define GPIO_SEL_18 (BIT(18)) /*!< Pin 18 selected */
#define GPIO_SEL_19 (BIT(19)) /*!< Pin 19 selected */
#define GPIO_SEL_21 (BIT(21)) /*!< Pin 21 selected */
#define GPIO_SEL_22 (BIT(22)) /*!< Pin 22 selected */
#define GPIO_SEL_23 (BIT(23)) /*!< Pin 23 selected */
#define GPIO_SEL_25 (BIT(25)) /*!< Pin 25 selected */
#define GPIO_SEL_26 (BIT(26)) /*!< Pin 26 selected */
#define GPIO_SEL_27 (BIT(27)) /*!< Pin 27 selected */
#define GPIO_SEL_32 ((uint64_t)(((uint64_t)1)<<32)) /*!< Pin 32 selected */
#define GPIO_SEL_33 ((uint64_t)(((uint64_t)1)<<33)) /*!< Pin 33 selected */
#define GPIO_SEL_34 ((uint64_t)(((uint64_t)1)<<34)) /*!< Pin 34 selected */
#define GPIO_SEL_35 ((uint64_t)(((uint64_t)1)<<35)) /*!< Pin 35 selected */
#define GPIO_SEL_36 ((uint64_t)(((uint64_t)1)<<36)) /*!< Pin 36 selected */
#define GPIO_SEL_37 ((uint64_t)(((uint64_t)1)<<37)) /*!< Pin 37 selected */
#define GPIO_SEL_38 ((uint64_t)(((uint64_t)1)<<38)) /*!< Pin 38 selected */
#define GPIO_SEL_39 ((uint64_t)(((uint64_t)1)<<39)) /*!< Pin 39 selected */
#define GPIO_PIN_REG_0 PERIPHS_IO_MUX_GPIO0_U
#define GPIO_PIN_REG_1 PERIPHS_IO_MUX_U0TXD_U
#define GPIO_PIN_REG_2 PERIPHS_IO_MUX_GPIO2_U
#define GPIO_PIN_REG_3 PERIPHS_IO_MUX_U0RXD_U
#define GPIO_PIN_REG_4 PERIPHS_IO_MUX_GPIO4_U
#define GPIO_PIN_REG_5 PERIPHS_IO_MUX_GPIO5_U
#define GPIO_PIN_REG_6 PERIPHS_IO_MUX_SD_CLK_U
#define GPIO_PIN_REG_7 PERIPHS_IO_MUX_SD_DATA0_U
#define GPIO_PIN_REG_8 PERIPHS_IO_MUX_SD_DATA1_U
#define GPIO_PIN_REG_9 PERIPHS_IO_MUX_SD_DATA2_U
#define GPIO_PIN_REG_10 PERIPHS_IO_MUX_SD_DATA3_U
#define GPIO_PIN_REG_11 PERIPHS_IO_MUX_SD_CMD_U
#define GPIO_PIN_REG_12 PERIPHS_IO_MUX_MTDI_U
#define GPIO_PIN_REG_13 PERIPHS_IO_MUX_MTCK_U
#define GPIO_PIN_REG_14 PERIPHS_IO_MUX_MTMS_U
#define GPIO_PIN_REG_15 PERIPHS_IO_MUX_MTDO_U
#define GPIO_PIN_REG_16 PERIPHS_IO_MUX_GPIO16_U
#define GPIO_PIN_REG_17 PERIPHS_IO_MUX_GPIO17_U
#define GPIO_PIN_REG_18 PERIPHS_IO_MUX_GPIO18_U
#define GPIO_PIN_REG_19 PERIPHS_IO_MUX_GPIO19_U
#define GPIO_PIN_REG_20 PERIPHS_IO_MUX_GPIO20_U
#define GPIO_PIN_REG_21 PERIPHS_IO_MUX_GPIO21_U
#define GPIO_PIN_REG_22 PERIPHS_IO_MUX_GPIO22_U
#define GPIO_PIN_REG_23 PERIPHS_IO_MUX_GPIO23_U
#define GPIO_PIN_REG_25 PERIPHS_IO_MUX_GPIO25_U
#define GPIO_PIN_REG_26 PERIPHS_IO_MUX_GPIO26_U
#define GPIO_PIN_REG_27 PERIPHS_IO_MUX_GPIO27_U
#define GPIO_PIN_REG_32 PERIPHS_IO_MUX_GPIO32_U
#define GPIO_PIN_REG_33 PERIPHS_IO_MUX_GPIO33_U
#define GPIO_PIN_REG_34 PERIPHS_IO_MUX_GPIO34_U
#define GPIO_PIN_REG_35 PERIPHS_IO_MUX_GPIO35_U
#define GPIO_PIN_REG_36 PERIPHS_IO_MUX_GPIO36_U
#define GPIO_PIN_REG_37 PERIPHS_IO_MUX_GPIO37_U
#define GPIO_PIN_REG_38 PERIPHS_IO_MUX_GPIO38_U
#define GPIO_PIN_REG_39 PERIPHS_IO_MUX_GPIO39_U
#define GPIO_APP_CPU_INTR_ENA (BIT(0))
#define GPIO_APP_CPU_NMI_INTR_ENA (BIT(1))
#define GPIO_PRO_CPU_INTR_ENA (BIT(2))
#define GPIO_PRO_CPU_NMI_INTR_ENA (BIT(3))
#define GPIO_SDIO_EXT_INTR_ENA (BIT(4))
#define GPIO_MODE_DEF_INPUT (BIT0)
#define GPIO_MODE_DEF_OUTPUT (BIT1)
#define GPIO_MODE_DEF_OD (BIT2)
#define GPIO_PIN_COUNT 40
/** @endcond */
extern const uint32_t GPIO_PIN_MUX_REG[GPIO_PIN_COUNT];
#define GPIO_IS_VALID_GPIO(gpio_num) ((gpio_num < GPIO_PIN_COUNT && GPIO_PIN_MUX_REG[gpio_num] != 0)) /*!< Check whether it is a valid GPIO number */
#define GPIO_IS_VALID_OUTPUT_GPIO(gpio_num) ((GPIO_IS_VALID_GPIO(gpio_num)) && (gpio_num < 34)) /*!< Check whether it can be a valid GPIO number of output mode */
typedef enum {
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output
@note There are more enumerations like that
up to GPIO39, excluding GPIO20, GPIO24 and GPIO28..31.
They are not shown here to reduce redundant information.
@note GPIO34..39 are input mode only. */
/** @cond */
GPIO_NUM_3 = 3, /*!< GPIO3, input and output */
GPIO_NUM_4 = 4, /*!< GPIO4, input and output */
GPIO_NUM_5 = 5, /*!< GPIO5, input and output */
GPIO_NUM_6 = 6, /*!< GPIO6, input and output */
GPIO_NUM_7 = 7, /*!< GPIO7, input and output */
GPIO_NUM_8 = 8, /*!< GPIO8, input and output */
GPIO_NUM_9 = 9, /*!< GPIO9, input and output */
GPIO_NUM_10 = 10, /*!< GPIO10, input and output */
GPIO_NUM_11 = 11, /*!< GPIO11, input and output */
GPIO_NUM_12 = 12, /*!< GPIO12, input and output */
GPIO_NUM_13 = 13, /*!< GPIO13, input and output */
GPIO_NUM_14 = 14, /*!< GPIO14, input and output */
GPIO_NUM_15 = 15, /*!< GPIO15, input and output */
GPIO_NUM_16 = 16, /*!< GPIO16, input and output */
GPIO_NUM_17 = 17, /*!< GPIO17, input and output */
GPIO_NUM_18 = 18, /*!< GPIO18, input and output */
GPIO_NUM_19 = 19, /*!< GPIO19, input and output */
GPIO_NUM_21 = 21, /*!< GPIO21, input and output */
GPIO_NUM_22 = 22, /*!< GPIO22, input and output */
GPIO_NUM_23 = 23, /*!< GPIO23, input and output */
GPIO_NUM_25 = 25, /*!< GPIO25, input and output */
GPIO_NUM_26 = 26, /*!< GPIO26, input and output */
GPIO_NUM_27 = 27, /*!< GPIO27, input and output */
GPIO_NUM_32 = 32, /*!< GPIO32, input and output */
GPIO_NUM_33 = 33, /*!< GPIO33, input and output */
GPIO_NUM_34 = 34, /*!< GPIO34, input mode only */
GPIO_NUM_35 = 35, /*!< GPIO35, input mode only */
GPIO_NUM_36 = 36, /*!< GPIO36, input mode only */
GPIO_NUM_37 = 37, /*!< GPIO37, input mode only */
GPIO_NUM_38 = 38, /*!< GPIO38, input mode only */
GPIO_NUM_39 = 39, /*!< GPIO39, input mode only */
GPIO_NUM_MAX = 40,
/** @endcond */
} gpio_num_t;