forked from xiaozhi/xiaozhi-esp32
f590e49f2d
* 添加乐鑫开发版esp32-s3-lcd-ev-board支持 * 新增乐鑫开发版esp32-s3-lcd-ev-board支持 * 新增乐鑫开发板esp32-s3-lcd-ev-board支持，修复led和背光bug * Delete main/boards/ESP32-S3-LCD-EV-Board directory * 新增乐鑫开发板esp32-s3-lcd-ev-board支持，修复led和背光bug * 去除冗余代码 * 添加esp-s3-lcd-ev-board的硬件版本选择配置 * Delete main/boards/esp-s3-lcd-ev-board-1.4 directory * 添加esp-s3-lcd-ev-board的硬件版本选择配置 * 新增不同版本的名称标识，使ota更新时能识别
91 lines
3.8 KiB
C
91 lines
3.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief ESP IO expander: TCA9554
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*/
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#pragma once
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#include <stdint.h>
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#include "esp_err.h"
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#include "driver/i2c_master.h"
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#include "esp_io_expander.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Create a TCA9554(A) IO expander object
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*
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* @param[in] i2c_bus I2C bus handle. Obtained from `i2c_new_master_bus()`
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* @param[in] dev_addr I2C device address of chip. Can be `ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_XXX` or `ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_XXX`.
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* @param[out] handle_ret Handle to created IO expander object
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*
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* @return
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* - ESP_OK: Success, otherwise returns ESP_ERR_xxx
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*/
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esp_err_t esp_io_expander_new_i2c_tca9554(i2c_master_bus_handle_t i2c_bus, uint32_t dev_addr, esp_io_expander_handle_t *handle_ret);
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/**
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* @brief I2C address of the TCA9554
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*
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* The 8-bit address format is as follows:
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*
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* (Slave Address)
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* ┌─────────────────┷─────────────────┐
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* ┌─────┐─────┐─────┐─────┐─────┐─────┐─────┐─────┐
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* | 0 | 1 | 0 | 0 | A2 | A1 | A0 | R/W |
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* └─────┘─────┘─────┘─────┘─────┘─────┘─────┘─────┘
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* └────────┯────────┘ └─────┯──────┘
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* (Fixed) (Hareware Selectable)
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*
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* And the 7-bit slave address is the most important data for users.
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* For example, if a chip's A0,A1,A2 are connected to GND, it's 7-bit slave address is 0100000b(0x20).
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* Then users can use `ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_000` to init it.
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*/
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_000 (0x20)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_001 (0x21)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_010 (0x22)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_011 (0x23)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_100 (0x24)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_101 (0x25)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_110 (0x26)
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#define ESP_IO_EXPANDER_I2C_TCA9554_ADDRESS_111 (0x27)
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/**
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* @brief I2C address of the TCA9554A
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*
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* The 8-bit address format is as follows:
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*
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* (Slave Address)
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* ┌─────────────────┷─────────────────┐
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* ┌─────┐─────┐─────┐─────┐─────┐─────┐─────┐─────┐
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* | 0 | 1 | 1 | 1 | A2 | A1 | A0 | R/W |
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* └─────┘─────┘─────┘─────┘─────┘─────┘─────┘─────┘
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* └────────┯────────┘ └─────┯──────┘
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* (Fixed) (Hareware Selectable)
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*
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* And the 7-bit slave address is the most important data for users.
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* For example, if a chip's A0,A1,A2 are connected to GND, it's 7-bit slave address is 0111000b(0x38).
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* Then users can use `ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_000` to init it.
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*/
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_000 (0x38)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_001 (0x39)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_010 (0x3A)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_011 (0x3B)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_100 (0x3C)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_101 (0x3D)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_110 (0x3E)
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#define ESP_IO_EXPANDER_I2C_TCA9554A_ADDRESS_111 (0x3F)
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#ifdef __cplusplus
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}
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#endif
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