1 /* 2 * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * Espressif private functions. Not for peripherals. Don't use it in your app. 9 */ 10 11 #include <stdint.h> 12 13 #ifdef __cplusplus 14 extern "C" { 15 #endif 16 17 /** 18 * @brief Read internal register 19 * 20 * @param block Block of the register 21 * @param host_id Host of the register 22 * @param reg_add Address of the register 23 * @return uint8_t Register value 24 */ 25 uint8_t esp_rom_regi2c_read(uint8_t block, uint8_t host_id, uint8_t reg_add); 26 27 /** 28 * @brief Read internal register, in bits 29 * 30 * @param block Block of the register 31 * @param host_id Host of the register 32 * @param reg_add Address of the register 33 * @param msb MSB of the register 34 * @param lsb LSB of the register 35 * @return uint8_t Register value 36 */ 37 uint8_t esp_rom_regi2c_read_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb); 38 39 /** 40 * @brief Write internal register 41 * 42 * @param block Block of the register 43 * @param host_id Host of the register 44 * @param reg_add Address of the register 45 * @param data Value to write 46 */ 47 void esp_rom_regi2c_write(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data); 48 49 /** 50 * @brief Write internal register, in bits 51 * 52 * @param block Block of the register 53 * @param host_id Host of the register 54 * @param reg_add Address of the register 55 * @param msb MSB of the register 56 * @param lsb LSB of the register 57 * @param data Value to write 58 */ 59 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); 60 61 #ifdef __cplusplus 62 } 63 #endif 64
