components/esp_rom/include/esp_rom_regi2c.h (ESP-IDF)

/* * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ /** * Espressif private functions. Not for peripherals. Don't use it in your app. */ #include <stdint.h> #ifdef __cplusplus extern "C" { #endif /** * @brief Read internal register * * @param block Block of the register * @param host_id Host of the register * @param reg_add Address of the register * @return uint8_t Register value */ uint8_t esp_rom_regi2c_read(uint8_t block, uint8_t host_id, uint8_t reg_add); /** * @brief Read internal register, in bits * * @param block Block of the register * @param host_id Host of the register * @param reg_add Address of the register * @param msb MSB of the register * @param lsb LSB of the register * @return uint8_t Register value */ uint8_t esp_rom_regi2c_read_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb); /** * @brief Write internal register * * @param block Block of the register * @param host_id Host of the register * @param reg_add Address of the register * @param data Value to write */ void esp_rom_regi2c_write(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data); /** * @brief Write internal register, in bits * * @param block Block of the register * @param host_id Host of the register * @param reg_add Address of the register * @param msb MSB of the register * @param lsb LSB of the register * @param data Value to write */ void esp_rom_regi2c_write_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data); #ifdef __cplusplus } #endif