51 lines
2 KiB
C
51 lines
2 KiB
C
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#ifndef ADAFRUIT_GENERICDEVICE_H
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#define ADAFRUIT_GENERICDEVICE_H
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#include <Arduino.h>
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typedef bool (*busio_genericdevice_read_t)(uint8_t *buffer, size_t len);
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typedef bool (*busio_genericdevice_write_t)(const uint8_t *buffer, size_t len);
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typedef bool (*busio_genericdevice_readreg_t)(uint8_t *addr_buf,
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uint8_t addrsiz, uint8_t *buf,
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uint16_t bufsiz);
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typedef bool (*busio_genericdevice_writereg_t)(uint8_t *addr_buf,
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uint8_t addrsiz,
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const uint8_t *buf,
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uint16_t bufsiz);
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/*!
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* @brief Class for communicating with a device via generic read/write functions
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*/
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class Adafruit_GenericDevice {
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public:
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Adafruit_GenericDevice(
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busio_genericdevice_read_t read_func,
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busio_genericdevice_write_t write_func,
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busio_genericdevice_readreg_t readreg_func = nullptr,
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busio_genericdevice_writereg_t writereg_func = nullptr);
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bool begin(void);
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bool read(uint8_t *buffer, size_t len);
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bool write(const uint8_t *buffer, size_t len);
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bool readRegister(uint8_t *addr_buf, uint8_t addrsiz, uint8_t *buf,
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uint16_t bufsiz);
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bool writeRegister(uint8_t *addr_buf, uint8_t addrsiz, const uint8_t *buf,
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uint16_t bufsiz);
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protected:
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/*! @brief Function pointer for reading raw data from the device */
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busio_genericdevice_read_t _read_func;
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/*! @brief Function pointer for writing raw data to the device */
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busio_genericdevice_write_t _write_func;
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/*! @brief Function pointer for reading a 'register' from the device */
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busio_genericdevice_readreg_t _readreg_func;
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/*! @brief Function pointer for writing a 'register' to the device */
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busio_genericdevice_writereg_t _writereg_func;
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bool _begun; ///< whether we have initialized yet (in case the function needs
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///< to do something)
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};
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#endif // ADAFRUIT_GENERICDEVICE_H
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