42 lines
3.6 KiB
C
42 lines
3.6 KiB
C
#pragma once
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#include <stdio.h>
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#include "I2C_Driver.h"
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/****************************************************** The macro defines the TCA9554PWR information ******************************************************/
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#define TCA9554_ADDRESS 0x20 // TCA9554PWR I2C address
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#define TCA9554_INPUT_REG 0x00 // Input register,input level
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#define TCA9554_OUTPUT_REG 0x01 // Output register, high and low level output
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#define TCA9554_Polarity_REG 0x02 // The Polarity Inversion register (register 2) allows polarity inversion of pins defined as inputs by the Configuration register.
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#define TCA9554_CONFIG_REG 0x03 // Configuration register, mode configuration
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#define Low 0
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#define High 1
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#define EXIO_PIN1 1
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#define EXIO_PIN2 2
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#define EXIO_PIN3 3
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#define EXIO_PIN4 4
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#define EXIO_PIN5 5
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#define EXIO_PIN6 6
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#define EXIO_PIN7 7
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#define EXIO_PIN8 8
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/***************************************************** Operation register REG ****************************************************/
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uint8_t Read_REG(uint8_t REG); // Read the value of the TCA9554PWR register REG
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uint8_t Write_REG(uint8_t REG,uint8_t Data); // Write Data to the REG register of the TCA9554PWR
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/********************************************************** Set EXIO mode **********************************************************/
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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
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void Mode_EXIOS(uint8_t PinState); // Set the mode of the 7 pins from the TCA9554PWR with PinState
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/********************************************************** Read EXIO status **********************************************************/
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uint8_t Read_EXIO(uint8_t Pin); // Read the level of the TCA9554PWR Pin
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uint8_t Read_EXIOS(uint8_t REG); // 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);
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/********************************************************** Set the EXIO output status **********************************************************/
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bool Set_EXIO(uint8_t Pin,uint8_t State); // Sets the level state of the Pin without affecting the other pins
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bool 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)
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/********************************************************** Flip EXIO state **********************************************************/
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bool Set_Toggle(uint8_t Pin); // Flip the level of the TCA9554PWR Pin
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/********************************************************* TCA9554PWR Initializes the device ***********************************************************/
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void TCA9554PWR_Init(uint8_t PinMode = 0x00, uint8_t PinState = 0x00); // 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
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