51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
#pragma once
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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 TCA9554_OUT_MODE 0x00 // Configuration register value, output mode
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#define TCA9554_IN_MODE 0xff // Configuration register value, input mode
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#define Low 0x00
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#define High 0x01
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namespace drivers
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{
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class TCA9554PWR
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{
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public:
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enum
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{
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OUT_PIN1,
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OUT_PIN2,
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OUT_PIN3,
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OUT_PIN4,
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OUT_PIN5,
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OUT_PIN6,
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OUT_PIN7,
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OUT_PIN8,
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OUT_PIN_MAX
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};
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TCA9554PWR(I2C &i2c, const uint8_t address);
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const bool setOut(const uint8_t channel, const bool state);
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const bool setPort(const uint8_t state);
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const bool readOut(const uint8_t channel);
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const bool readPort(uint8_t &state);
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private:
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I2C &m_i2c;
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uint8_t m_address;
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const bool writeRegister(const uint8_t reg, const uint8_t val);
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const bool readRegister(const uint8_t reg, uint8_t &val);
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};
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} |