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I2C Digitalout driver

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This commit is contained in:
Emanuele Trabattoni
2025-06-22 12:23:38 +02:00
parent 83a63c1241
commit adb15962c6
2 changed files with 113 additions and 134 deletions
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74
lib/GPIO/WS_TCA9554PWR.h
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@@ -1,41 +1,47 @@
#pragma once
#include <stdio.h>
#include "I2C_Driver.h"
/****************************************************** The macro defines the TCA9554PWR information ******************************************************/
/****************************************************** The macro defines the TCA9554PWR information ******************************************************/
#define TCA9554_ADDRESS 0x20 // TCA9554PWR I2C address
#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
#define TCA9554_ADDRESS 0x20 // TCA9554PWR I2C address
#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
#define TCA9554_OUT_MODE 0x00 // Configuration register value, output mode
#define TCA9554_IN_MODE 0xff // Configuration register value, input mode
#define Low 0
#define High 1
#define EXIO_PIN1 1
#define EXIO_PIN2 2
#define EXIO_PIN3 3
#define EXIO_PIN4 4
#define EXIO_PIN5 5
#define EXIO_PIN6 6
#define EXIO_PIN7 7
#define EXIO_PIN8 8
#define Low 0x00
#define High 0x01
/***************************************************** Operation register REG ****************************************************/
uint8_t Read_REG(uint8_t REG); // Read the value of the TCA9554PWR register REG
uint8_t 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(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);
/********************************************************** Set the EXIO output status **********************************************************/
bool Set_EXIO(uint8_t Pin,uint8_t State); // Sets the level state of the Pin without affecting the other pins
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)
/********************************************************** Flip EXIO state **********************************************************/
bool Set_Toggle(uint8_t Pin); // Flip the level of the TCA9554PWR Pin
/********************************************************* TCA9554PWR Initializes the device ***********************************************************/
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
#define EXIO_PIN1 0
#define EXIO_PIN2 1
#define EXIO_PIN3 2
#define EXIO_PIN4 3
#define EXIO_PIN5 4
#define EXIO_PIN6 5
#define EXIO_PIN7 6
#define EXIO_PIN8 7
namespace drivers
{
class TCA9554PWR
{
I2C &m_i2c;
uint8_t m_address;
private:
const bool writeRegister(const uint8_t reg, const uint8_t val);
const bool readRegister(const uint8_t reg, uint8_t &val);
public:
TCA9554PWR(I2C &i2c, const uint8_t address);
const bool setOut(const uint8_t channel, const bool state);
const bool setPort(const uint8_t state);
const bool readOut(const uint8_t channel);
const bool readPort(uint8_t &state);
};
}