| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 |
- #include <Adafruit_I2CDevice.h>
- #include <Adafruit_SPIDevice.h>
- #include <Arduino.h>
- #ifndef Adafruit_BusIO_Register_h
- #define Adafruit_BusIO_Register_h
- typedef enum _Adafruit_BusIO_SPIRegType {
- ADDRBIT8_HIGH_TOREAD = 0,
- AD8_HIGH_TOREAD_AD7_HIGH_TOINC = 1,
- ADDRBIT8_HIGH_TOWRITE = 2,
- } Adafruit_BusIO_SPIRegType;
- /*!
- * @brief The class which defines a device register (a location to read/write
- * data from)
- */
- class Adafruit_BusIO_Register {
- public:
- Adafruit_BusIO_Register(Adafruit_I2CDevice *i2cdevice, uint16_t reg_addr,
- uint8_t width = 1, uint8_t byteorder = LSBFIRST,
- uint8_t address_width = 1);
- Adafruit_BusIO_Register(Adafruit_SPIDevice *spidevice, uint16_t reg_addr,
- Adafruit_BusIO_SPIRegType type, uint8_t width = 1,
- uint8_t byteorder = LSBFIRST,
- uint8_t address_width = 1);
- Adafruit_BusIO_Register(Adafruit_I2CDevice *i2cdevice,
- Adafruit_SPIDevice *spidevice,
- Adafruit_BusIO_SPIRegType type, uint16_t reg_addr,
- uint8_t width = 1, uint8_t byteorder = LSBFIRST,
- uint8_t address_width = 1);
- bool read(uint8_t *buffer, uint8_t len);
- bool read(uint8_t *value);
- bool read(uint16_t *value);
- uint32_t read(void);
- bool write(uint8_t *buffer, uint8_t len);
- bool write(uint32_t value, uint8_t numbytes = 0);
- uint8_t width(void);
- void print(Stream *s = &Serial);
- void println(Stream *s = &Serial);
- private:
- Adafruit_I2CDevice *_i2cdevice;
- Adafruit_SPIDevice *_spidevice;
- Adafruit_BusIO_SPIRegType _spiregtype;
- uint16_t _address;
- uint8_t _width, _addrwidth, _byteorder;
- uint8_t _buffer[4]; // we wont support anything larger than uint32 for
- // non-buffered read
- };
- /*!
- * @brief The class which defines a slice of bits from within a device register
- * (a location to read/write data from)
- */
- class Adafruit_BusIO_RegisterBits {
- public:
- Adafruit_BusIO_RegisterBits(Adafruit_BusIO_Register *reg, uint8_t bits,
- uint8_t shift);
- bool write(uint32_t value);
- uint32_t read(void);
- private:
- Adafruit_BusIO_Register *_register;
- uint8_t _bits, _shift;
- };
- #endif // BusIO_Register_h
|