87 lines
4 KiB
C
87 lines
4 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "soc/gpio_periph.h"
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#include "soc/gpio_caps.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef int gpio_num_t;
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typedef enum {
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GPIO_INTR_DISABLE = 0, /*!< Disable GPIO interrupt */
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GPIO_INTR_POSEDGE = 1, /*!< GPIO interrupt type : rising edge */
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GPIO_INTR_NEGEDGE = 2, /*!< GPIO interrupt type : falling edge */
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GPIO_INTR_ANYEDGE = 3, /*!< GPIO interrupt type : both rising and falling edge */
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GPIO_INTR_LOW_LEVEL = 4, /*!< GPIO interrupt type : input low level trigger */
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GPIO_INTR_HIGH_LEVEL = 5, /*!< GPIO interrupt type : input high level trigger */
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GPIO_INTR_MAX,
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} gpio_int_type_t;
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typedef enum {
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GPIO_MODE_DISABLE = GPIO_MODE_DEF_DISABLE, /*!< GPIO mode : disable input and output */
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GPIO_MODE_INPUT = GPIO_MODE_DEF_INPUT, /*!< GPIO mode : input only */
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GPIO_MODE_OUTPUT = GPIO_MODE_DEF_OUTPUT, /*!< GPIO mode : output only mode */
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GPIO_MODE_OUTPUT_OD = ((GPIO_MODE_DEF_OUTPUT) | (GPIO_MODE_DEF_OD)), /*!< GPIO mode : output only with open-drain mode */
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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*/
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GPIO_MODE_INPUT_OUTPUT = ((GPIO_MODE_DEF_INPUT) | (GPIO_MODE_DEF_OUTPUT)), /*!< GPIO mode : output and input mode */
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} gpio_mode_t;
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typedef enum {
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GPIO_PULLUP_DISABLE = 0x0, /*!< Disable GPIO pull-up resistor */
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GPIO_PULLUP_ENABLE = 0x1, /*!< Enable GPIO pull-up resistor */
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} gpio_pullup_t;
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typedef enum {
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GPIO_PULLDOWN_DISABLE = 0x0, /*!< Disable GPIO pull-down resistor */
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GPIO_PULLDOWN_ENABLE = 0x1, /*!< Enable GPIO pull-down resistor */
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} gpio_pulldown_t;
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/**
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* @brief Configuration parameters of GPIO pad for gpio_config function
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*/
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typedef struct {
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uint64_t pin_bit_mask; /*!< GPIO pin: set with bit mask, each bit maps to a GPIO */
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gpio_mode_t mode; /*!< GPIO mode: set input/output mode */
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gpio_pullup_t pull_up_en; /*!< GPIO pull-up */
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gpio_pulldown_t pull_down_en; /*!< GPIO pull-down */
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gpio_int_type_t intr_type; /*!< GPIO interrupt type */
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} gpio_config_t;
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typedef enum {
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GPIO_PULLUP_ONLY, /*!< Pad pull up */
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GPIO_PULLDOWN_ONLY, /*!< Pad pull down */
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GPIO_PULLUP_PULLDOWN, /*!< Pad pull up + pull down*/
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GPIO_FLOATING, /*!< Pad floating */
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} gpio_pull_mode_t;
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typedef enum {
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GPIO_DRIVE_CAP_0 = 0, /*!< Pad drive capability: weak */
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GPIO_DRIVE_CAP_1 = 1, /*!< Pad drive capability: stronger */
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GPIO_DRIVE_CAP_2 = 2, /*!< Pad drive capability: medium */
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GPIO_DRIVE_CAP_DEFAULT = 2, /*!< Pad drive capability: medium */
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GPIO_DRIVE_CAP_3 = 3, /*!< Pad drive capability: strongest */
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GPIO_DRIVE_CAP_MAX,
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} gpio_drive_cap_t;
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typedef void (*gpio_isr_t)(void *);
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#ifdef __cplusplus
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}
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#endif
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