#pragma once #ifdef __cplusplus extern "C" { #endif #include #include "I2C_Driver.h" #define TCA9554_EXIO1 0x01 #define TCA9554_EXIO2 0x02 #define TCA9554_EXIO3 0x03 #define TCA9554_EXIO4 0x04 #define TCA9554_EXIO5 0x05 #define TCA9554_EXIO6 0x06 #define TCA9554_EXIO7 0x07 #define TCA9554_EXIO8 0x08 /****************************************************** The macro defines the TCA9554PWR information ******************************************************/ #define TCA9554_ADDRESS 0x20 // TCA9554PWR I2C address // TCA9554PWR寄存器地址 #define TCA9554_INPUT_REG 0x00 // Input register,input level #define TCA9554_OUTPUT_REG 0x01 // Output register, high and low level output #define TCA9554_Polarity_REG 0x02 // The Polarity Inversion register (register 2) allows polarity inversion of pins defined as inputs by the Configuration register. #define TCA9554_CONFIG_REG 0x03 // Configuration register, mode configuration // esp_err_t i2c_master_init(void); // Example Initialize I2C to host mode /***************************************************** Operation register REG ****************************************************/ uint8_t Read_REG(uint8_t REG); // Read the value of the TCA9554PWR register REG void Write_REG(uint8_t REG,uint8_t Data); // Write Data to the REG register of the TCA9554PWR /********************************************************** Set EXIO mode **********************************************************/ void Mode_EXIO(uint8_t Pin,uint8_t State); // Set the mode of the TCA9554PWR Pin. The default is Output mode (output mode or input mode). State: 0= Output mode 1= input mode void Mode_EXIOS(uint8_t PinState); // Set the mode of the 7 pins from the TCA9554PWR with PinState /********************************************************** Read EXIO status **********************************************************/ uint8_t Read_EXIO(uint8_t Pin); // Read the level of the TCA9554PWR Pin uint8_t Read_EXIOS(void); // Read the level of all pins of TCA9554PWR, the default read input level state, want to get the current IO output state, pass the parameter TCA9554_OUTPUT_REG, such as Read_EXIOS(TCA9554_OUTPUT_REG); /********************************************************** Set the EXIO output status **********************************************************/ void Set_EXIO(uint8_t Pin,bool State); // Sets the level state of the Pin without affecting the other pins void Set_EXIOS(uint8_t PinState); // Set 7 pins to the PinState state such as :PinState=0x23, 0010 0011 state (the highest bit is not used) /********************************************************** Flip EXIO state **********************************************************/ void Set_Toggle(uint8_t Pin); // Flip the level of the TCA9554PWR Pin /********************************************************* TCA9554PWR Initializes the device ***********************************************************/ void TCA9554PWR_Init(uint8_t PinState); // Set the seven pins to PinState state, for example :PinState=0x23, 0010 0011 State (the highest bit is not used) (Output mode or input mode) 0= Output mode 1= Input mode. The default value is output mode esp_err_t EXIO_Init(void); #ifdef __cplusplus } #endif