/
gpio_types.h
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/
gpio_types.h
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// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "soc/gpio_periph.h"
#include "soc/soc_caps.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
GPIO_PORT_0 = 0,
GPIO_PORT_MAX,
} gpio_port_t;
#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 */
#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_20 (BIT(20)) /*!< Pin 20 selected */
#define GPIO_SEL_21 (BIT(21)) /*!< Pin 21 selected */
#if CONFIG_IDF_TARGET_ESP32
#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 */
#endif
#define GPIO_SEL_26 (BIT(26)) /*!< Pin 26 selected */
#define GPIO_SEL_27 (BIT(27)) /*!< Pin 27 selected */
#define GPIO_SEL_28 (BIT(28)) /*!< Pin 28 selected */
#define GPIO_SEL_29 (BIT(29)) /*!< Pin 29 selected */
#define GPIO_SEL_30 (BIT(30)) /*!< Pin 30 selected */
#define GPIO_SEL_31 (BIT(31)) /*!< Pin 31 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 */
#if SOC_GPIO_PIN_COUNT > 40
#define GPIO_SEL_40 ((uint64_t)(((uint64_t)1)<<40)) /*!< Pin 40 selected */
#define GPIO_SEL_41 ((uint64_t)(((uint64_t)1)<<41)) /*!< Pin 41 selected */
#define GPIO_SEL_42 ((uint64_t)(((uint64_t)1)<<42)) /*!< Pin 42 selected */
#define GPIO_SEL_43 ((uint64_t)(((uint64_t)1)<<43)) /*!< Pin 43 selected */
#define GPIO_SEL_44 ((uint64_t)(((uint64_t)1)<<44)) /*!< Pin 44 selected */
#define GPIO_SEL_45 ((uint64_t)(((uint64_t)1)<<45)) /*!< Pin 45 selected */
#define GPIO_SEL_46 ((uint64_t)(((uint64_t)1)<<46)) /*!< Pin 46 selected */
#endif
#define GPIO_PIN_REG_0 IO_MUX_GPIO0_REG
#define GPIO_PIN_REG_1 IO_MUX_GPIO1_REG
#define GPIO_PIN_REG_2 IO_MUX_GPIO2_REG
#define GPIO_PIN_REG_3 IO_MUX_GPIO3_REG
#define GPIO_PIN_REG_4 IO_MUX_GPIO4_REG
#define GPIO_PIN_REG_5 IO_MUX_GPIO5_REG
#define GPIO_PIN_REG_6 IO_MUX_GPIO6_REG
#define GPIO_PIN_REG_7 IO_MUX_GPIO7_REG
#define GPIO_PIN_REG_8 IO_MUX_GPIO8_REG
#define GPIO_PIN_REG_9 IO_MUX_GPIO9_REG
#define GPIO_PIN_REG_10 IO_MUX_GPIO10_REG
#define GPIO_PIN_REG_11 IO_MUX_GPIO11_REG
#define GPIO_PIN_REG_12 IO_MUX_GPIO12_REG
#define GPIO_PIN_REG_13 IO_MUX_GPIO13_REG
#define GPIO_PIN_REG_14 IO_MUX_GPIO14_REG
#define GPIO_PIN_REG_15 IO_MUX_GPIO15_REG
#define GPIO_PIN_REG_16 IO_MUX_GPIO16_REG
#define GPIO_PIN_REG_17 IO_MUX_GPIO17_REG
#define GPIO_PIN_REG_18 IO_MUX_GPIO18_REG
#define GPIO_PIN_REG_19 IO_MUX_GPIO19_REG
#define GPIO_PIN_REG_20 IO_MUX_GPIO20_REG
#define GPIO_PIN_REG_21 IO_MUX_GPIO21_REG
#define GPIO_PIN_REG_22 IO_MUX_GPIO22_REG
#define GPIO_PIN_REG_23 IO_MUX_GPIO23_REG
#define GPIO_PIN_REG_24 IO_MUX_GPIO24_REG
#define GPIO_PIN_REG_25 IO_MUX_GPIO25_REG
#define GPIO_PIN_REG_26 IO_MUX_GPIO26_REG
#define GPIO_PIN_REG_27 IO_MUX_GPIO27_REG
#define GPIO_PIN_REG_28 IO_MUX_GPIO28_REG
#define GPIO_PIN_REG_29 IO_MUX_GPIO29_REG
#define GPIO_PIN_REG_30 IO_MUX_GPIO30_REG
#define GPIO_PIN_REG_31 IO_MUX_GPIO31_REG
#define GPIO_PIN_REG_32 IO_MUX_GPIO32_REG
#define GPIO_PIN_REG_33 IO_MUX_GPIO33_REG
#define GPIO_PIN_REG_34 IO_MUX_GPIO34_REG
#define GPIO_PIN_REG_35 IO_MUX_GPIO35_REG
#define GPIO_PIN_REG_36 IO_MUX_GPIO36_REG
#define GPIO_PIN_REG_37 IO_MUX_GPIO37_REG
#define GPIO_PIN_REG_38 IO_MUX_GPIO38_REG
#define GPIO_PIN_REG_39 IO_MUX_GPIO39_REG
#define GPIO_PIN_REG_40 IO_MUX_GPIO40_REG
#define GPIO_PIN_REG_41 IO_MUX_GPIO41_REG
#define GPIO_PIN_REG_42 IO_MUX_GPIO42_REG
#define GPIO_PIN_REG_43 IO_MUX_GPIO43_REG
#define GPIO_PIN_REG_44 IO_MUX_GPIO44_REG
#define GPIO_PIN_REG_45 IO_MUX_GPIO45_REG
#define GPIO_PIN_REG_46 IO_MUX_GPIO46_REG
#if CONFIG_IDF_TARGET_ESP32
typedef enum {
GPIO_NUM_NC = -1, /*!< Use to signal not connected to S/W */
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
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_20 = 20, /*!< GPIO20, 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_28 = 28, /*!< GPIO28, input and output */
GPIO_NUM_29 = 29, /*!< GPIO29, input and output */
GPIO_NUM_30 = 30, /*!< GPIO30, input and output */
GPIO_NUM_31 = 31, /*!< GPIO31, 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,
/** @endcond */
} gpio_num_t;
#elif CONFIG_IDF_TARGET_ESP32S2
typedef enum {
GPIO_NUM_NC = -1, /*!< Use to signal not connected to S/W */
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
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_20 = 20, /*!< GPIO20, input and output */
GPIO_NUM_21 = 21, /*!< GPIO21, input and output */
GPIO_NUM_26 = 26, /*!< GPIO26, input and output */
GPIO_NUM_27 = 27, /*!< GPIO27, input and output */
GPIO_NUM_28 = 28, /*!< GPIO28, input and output */
GPIO_NUM_29 = 29, /*!< GPIO29, input and output */
GPIO_NUM_30 = 30, /*!< GPIO30, input and output */
GPIO_NUM_31 = 31, /*!< GPIO31, 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 and output */
GPIO_NUM_35 = 35, /*!< GPIO35, input and output */
GPIO_NUM_36 = 36, /*!< GPIO36, input and output */
GPIO_NUM_37 = 37, /*!< GPIO37, input and output */
GPIO_NUM_38 = 38, /*!< GPIO38, input and output */
GPIO_NUM_39 = 39, /*!< GPIO39, input and output */
GPIO_NUM_40 = 40, /*!< GPIO40, input and output */
GPIO_NUM_41 = 41, /*!< GPIO41, input and output */
GPIO_NUM_42 = 42, /*!< GPIO42, input and output */
GPIO_NUM_43 = 43, /*!< GPIO43, input and output */
GPIO_NUM_44 = 44, /*!< GPIO44, input and output */
GPIO_NUM_45 = 45, /*!< GPIO45, input and output */
GPIO_NUM_46 = 46, /*!< GPIO46, input mode only */
GPIO_NUM_MAX,
/** @endcond */
} gpio_num_t;
#elif CONFIG_IDF_TARGET_ESP32S3
typedef enum {
GPIO_NUM_NC = -1, /*!< Use to signal not connected to S/W */
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
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_20 = 20, /*!< GPIO20, input and output */
GPIO_NUM_21 = 21, /*!< GPIO21, input and output */
GPIO_NUM_26 = 26, /*!< GPIO26, input and output */
GPIO_NUM_27 = 27, /*!< GPIO27, input and output */
GPIO_NUM_28 = 28, /*!< GPIO28, input and output */
GPIO_NUM_29 = 29, /*!< GPIO29, input and output */
GPIO_NUM_30 = 30, /*!< GPIO30, input and output */
GPIO_NUM_31 = 31, /*!< GPIO31, 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 and output */
GPIO_NUM_35 = 35, /*!< GPIO35, input and output */
GPIO_NUM_36 = 36, /*!< GPIO36, input and output */
GPIO_NUM_37 = 37, /*!< GPIO37, input and output */
GPIO_NUM_38 = 38, /*!< GPIO38, input and output */
GPIO_NUM_39 = 39, /*!< GPIO39, input and output */
GPIO_NUM_40 = 40, /*!< GPIO40, input and output */
GPIO_NUM_41 = 41, /*!< GPIO41, input and output */
GPIO_NUM_42 = 42, /*!< GPIO42, input and output */
GPIO_NUM_43 = 43, /*!< GPIO43, input and output */
GPIO_NUM_44 = 44, /*!< GPIO44, input and output */
GPIO_NUM_45 = 45, /*!< GPIO45, input and output */
GPIO_NUM_46 = 46, /*!< GPIO46, input mode only */
GPIO_NUM_47 = 47, /*!< GPIO47, input and output */
GPIO_NUM_MAX,
/** @endcond */
} gpio_num_t;
#elif CONFIG_IDF_TARGET_ESP32C3
typedef enum {
GPIO_NUM_NC = -1, /*!< Use to signal not connected to S/W */
GPIO_NUM_0 = 0, /*!< GPIO0, input and output */
GPIO_NUM_1 = 1, /*!< GPIO1, input and output */
GPIO_NUM_2 = 2, /*!< GPIO2, input and output */
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_20 = 20, /*!< GPIO20, input and output */
GPIO_NUM_21 = 21, /*!< GPIO21, input and output */
GPIO_NUM_22 = 22, /*!< GPIO22, input and output */
GPIO_NUM_MAX,
/** @endcond */
} gpio_num_t;
#endif
typedef enum {
GPIO_INTR_DISABLE = 0, /*!< Disable GPIO interrupt */
GPIO_INTR_POSEDGE = 1, /*!< GPIO interrupt type : rising edge */
GPIO_INTR_NEGEDGE = 2, /*!< GPIO interrupt type : falling edge */
GPIO_INTR_ANYEDGE = 3, /*!< GPIO interrupt type : both rising and falling edge */
GPIO_INTR_LOW_LEVEL = 4, /*!< GPIO interrupt type : input low level trigger */
GPIO_INTR_HIGH_LEVEL = 5, /*!< GPIO interrupt type : input high level trigger */
GPIO_INTR_MAX,
} gpio_int_type_t;
/** @cond */
#define GPIO_MODE_DEF_DISABLE (0)
#define GPIO_MODE_DEF_INPUT (BIT0) ///< bit mask for input
#define GPIO_MODE_DEF_OUTPUT (BIT1) ///< bit mask for output
#define GPIO_MODE_DEF_OD (BIT2) ///< bit mask for OD mode
/** @endcond */
typedef enum {
GPIO_MODE_DISABLE = GPIO_MODE_DEF_DISABLE, /*!< GPIO mode : disable input and output */
GPIO_MODE_INPUT = GPIO_MODE_DEF_INPUT, /*!< GPIO mode : input only */
GPIO_MODE_OUTPUT = GPIO_MODE_DEF_OUTPUT, /*!< GPIO mode : output only mode */
GPIO_MODE_OUTPUT_OD = ((GPIO_MODE_DEF_OUTPUT) | (GPIO_MODE_DEF_OD)), /*!< GPIO mode : output only with open-drain mode */
GPIO_MODE_INPUT_OUTPUT_OD = ((GPIO_MODE_DEF_INPUT) | (GPIO_MODE_DEF_OUTPUT) | (GPIO_MODE_DEF_OD)), /*!< GPIO mode : output and input with open-drain mode*/
GPIO_MODE_INPUT_OUTPUT = ((GPIO_MODE_DEF_INPUT) | (GPIO_MODE_DEF_OUTPUT)), /*!< GPIO mode : output and input mode */
} gpio_mode_t;
typedef enum {
GPIO_PULLUP_DISABLE = 0x0, /*!< Disable GPIO pull-up resistor */
GPIO_PULLUP_ENABLE = 0x1, /*!< Enable GPIO pull-up resistor */
} gpio_pullup_t;
typedef enum {
GPIO_PULLDOWN_DISABLE = 0x0, /*!< Disable GPIO pull-down resistor */
GPIO_PULLDOWN_ENABLE = 0x1, /*!< Enable GPIO pull-down resistor */
} gpio_pulldown_t;
/**
* @brief Configuration parameters of GPIO pad for gpio_config function
*/
typedef struct {
uint64_t pin_bit_mask; /*!< GPIO pin: set with bit mask, each bit maps to a GPIO */
gpio_mode_t mode; /*!< GPIO mode: set input/output mode */
gpio_pullup_t pull_up_en; /*!< GPIO pull-up */
gpio_pulldown_t pull_down_en; /*!< GPIO pull-down */
gpio_int_type_t intr_type; /*!< GPIO interrupt type */
} gpio_config_t;
typedef enum {
GPIO_PULLUP_ONLY, /*!< Pad pull up */
GPIO_PULLDOWN_ONLY, /*!< Pad pull down */
GPIO_PULLUP_PULLDOWN, /*!< Pad pull up + pull down*/
GPIO_FLOATING, /*!< Pad floating */
} gpio_pull_mode_t;
typedef enum {
GPIO_DRIVE_CAP_0 = 0, /*!< Pad drive capability: weak */
GPIO_DRIVE_CAP_1 = 1, /*!< Pad drive capability: stronger */
GPIO_DRIVE_CAP_2 = 2, /*!< Pad drive capability: medium */
GPIO_DRIVE_CAP_DEFAULT = 2, /*!< Pad drive capability: medium */
GPIO_DRIVE_CAP_3 = 3, /*!< Pad drive capability: strongest */
GPIO_DRIVE_CAP_MAX,
} gpio_drive_cap_t;
typedef void (*gpio_isr_t)(void *);
#ifdef __cplusplus
}
#endif