47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#include <Adafruit_I2CDevice.h>
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#include <Arduino.h>
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#ifndef Adafruit_I2CRegister_h
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#define Adafruit_I2CRegister_h
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class Adafruit_I2CRegister {
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public:
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Adafruit_I2CRegister(Adafruit_I2CDevice *device, uint16_t reg_addr,
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uint8_t width=1, uint8_t bitorder=LSBFIRST,
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uint8_t address_width=1);
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bool read(uint8_t *buffer, uint8_t len);
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bool read(uint8_t *value);
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bool read(uint16_t *value);
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bool read(uint32_t *value);
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uint32_t read(void);
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bool write(uint8_t *buffer, uint8_t len);
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bool write(uint32_t value, uint8_t numbytes=0);
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uint8_t width(void) { return _width; }
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void print(Stream *s=&Serial);
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void println(Stream *s=&Serial);
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private:
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Adafruit_I2CDevice *_device;
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uint16_t _address;
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uint8_t _width, _addrwidth, _bitorder;
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uint8_t _buffer[4]; // we wont support anything larger than uint32 for non-buffered read
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};
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class Adafruit_I2CRegisterBits {
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public:
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Adafruit_I2CRegisterBits(Adafruit_I2CRegister *reg, uint8_t bits, uint8_t shift);
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void write(uint32_t value);
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uint32_t read(void);
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private:
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Adafruit_I2CRegister *_register;
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uint8_t _bits, _shift;
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};
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#endif //I2CRegister_h
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