#ifndef __I2C_SW_MASTER_H__ #define __I2C_SW_MASTER_H__ #include "esp_rom_sys.h" #define I2C_NUM_MAX 1 void i2c_sw_master_gpio_init(uint8_t sda, uint8_t scl); void i2c_sw_master_init(void); #define i2c_sw_master_wait esp_rom_delay_us void i2c_sw_master_stop(void); void i2c_sw_master_start(void); void i2c_sw_master_setAck(uint8_t level); uint8_t i2c_sw_master_getAck(void); uint8_t i2c_sw_master_readByte(void); void i2c_sw_master_writeByte(uint8_t wrdata); bool i2c_sw_master_checkAck(void); void i2c_sw_master_send_ack(void); void i2c_sw_master_send_nack(void); uint8_t i2c_sw_master_get_pinSDA(); uint8_t i2c_sw_master_get_pinSCL(); #endif