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2026-02-15 02:48:59 +09:00
/*
* ESPRESSIF MIT License
*
* Copyright (c) 2021 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
*
* Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef _TCA9554_H
#define _TCA9554_H
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
TCA9554_GPIO_NUM_0 = 1 << 0,
TCA9554_GPIO_NUM_1 = 1 << 1,
TCA9554_GPIO_NUM_2 = 1 << 2,
TCA9554_GPIO_NUM_3 = 1 << 3,
TCA9554_GPIO_NUM_4 = 1 << 4,
TCA9554_GPIO_NUM_5 = 1 << 5,
TCA9554_GPIO_NUM_6 = 1 << 6,
TCA9554_GPIO_NUM_7 = 1 << 7,
TCA9554_GPIO_NUM_MAX
} esp_tca9554_gpio_num_t;
typedef enum {
TCA9554_IO_LOW,
TCA9554_IO_HIGH,
TCA9554_LEVEL_ERROR
} esp_tca9554_io_level_t;
typedef enum {
TCA9554_IO_RETAINED,
TCA9554_IO_INVERTED
} esp_tca9554_io_polarity_t;
typedef enum {
TCA9554_IO_OUTPUT,
TCA9554_IO_INPUT
} esp_tca9554_io_config_t;
/*
* @brief Initialize TCA9554 chip
*
* @param codec_cfg configuration of TCA9554
*
* @return
* - ESP_OK
* - ESP_FAIL
*/
esp_err_t tca9554_init(uint8_t i2c_port);
/**
* @brief Deinitialize TCA9554 chip
*
* @return
* - ESP_OK
* - ESP_FAIL
*/
esp_err_t tca9554_deinit(void);
/*
* @brief Get TCA9554 input level
*
* @param gpio_num GPIO of TCA9554
*
* @return
* - esp_tca9554_io_level_t
*/
esp_tca9554_io_level_t tca9554_get_input_state(esp_tca9554_gpio_num_t gpio_num);
/*
* @brief Get PCA95xian39 output level
*
* @param gpio_num GPIO of TCA9554
*
* @return
* - esp_tca9554_io_level_t
*/
esp_tca9554_io_level_t tca9554_get_output_state(esp_tca9554_gpio_num_t gpio_num);
/*
* @brief Get TCA9554 output state
*
* @param gpio_num GPIO of TCA9554
*
* @return
* - esp_tca9554_io_level_t
*/
esp_err_t tca9554_set_output_state(esp_tca9554_gpio_num_t gpio_num, esp_tca9554_io_level_t level);
/*
* @brief Set TCA9554 polarity
*
* @param gpio_num GPIO of TCA9554
* polarity polarity
*
* @return
* - ESP_OK
* - ESP_FAIL
*/
esp_err_t tca9554_set_polarity_inversion(esp_tca9554_gpio_num_t gpio_num, esp_tca9554_io_polarity_t polarity);
/*
* @brief Get TCA9554 output level
*
* @param gpio_num GPIO of TCA9554
*
* @return
* - esp_tca9554_io_level_t
*/
esp_tca9554_io_config_t tca9554_get_io_config(esp_tca9554_gpio_num_t gpio_num);
/*
* @brief Set TCA9554 io config
*
* @param gpio_num GPIO of TCA9554
* io_config io config
*
* @return
* - ESP_OK
* - ESP_FAIL
*/
esp_err_t tca9554_set_io_config(esp_tca9554_gpio_num_t gpio_num, esp_tca9554_io_config_t io_config);
/**
* @brief Print all TCA9554 registers
*
* @return
* - void
*/
void tca9554_read_all();
#ifdef __cplusplus
}
#endif
#endif