83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/*
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Written with help by Claude!
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https://claude.ai/chat/335f50b1-3dd8-435e-9139-57ec7ca26a3c (at this time
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chats are not shareable :(
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*/
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#include "Adafruit_GenericDevice.h"
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/*!
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* @brief Create a Generic device with the provided read/write functions
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* @param obj Pointer to object instance
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* @param read_func Function pointer for reading raw data
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* @param write_func Function pointer for writing raw data
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* @param readreg_func Function pointer for reading registers (optional)
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* @param writereg_func Function pointer for writing registers (optional) */
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Adafruit_GenericDevice::Adafruit_GenericDevice(
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void *obj, 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,
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busio_genericdevice_writereg_t writereg_func) {
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_obj = obj;
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_read_func = read_func;
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_write_func = write_func;
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_readreg_func = readreg_func;
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_writereg_func = writereg_func;
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_begun = false;
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}
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/*! @brief Simple begin function (doesn't do much at this time)
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@return true always
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*/
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bool Adafruit_GenericDevice::begin(void) {
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_begun = true;
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return true;
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}
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/*! @brief Write a buffer of data
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@param buffer Pointer to buffer of data to write
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@param len Number of bytes to write
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@return true if write was successful, otherwise false */
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bool Adafruit_GenericDevice::write(const uint8_t *buffer, size_t len) {
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if (!_begun)
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return false;
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return _write_func(_obj, buffer, len);
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}
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/*! @brief Read data into a buffer
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@param buffer Pointer to buffer to read data into
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@param len Number of bytes to read
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@return true if read was successful, otherwise false */
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bool Adafruit_GenericDevice::read(uint8_t *buffer, size_t len) {
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if (!_begun)
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return false;
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return _read_func(_obj, buffer, len);
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}
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/*! @brief Read from a register location
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@param addr_buf Buffer containing register address
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@param addrsiz Size of register address in bytes
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@param buf Buffer to store read data
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@param bufsiz Size of data to read in bytes
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@return true if read was successful, otherwise false */
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bool Adafruit_GenericDevice::readRegister(uint8_t *addr_buf, uint8_t addrsiz,
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uint8_t *buf, uint16_t bufsiz) {
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if (!_begun || !_readreg_func)
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return false;
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return _readreg_func(_obj, addr_buf, addrsiz, buf, bufsiz);
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}
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/*! @brief Write to a register location
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@param addr_buf Buffer containing register address
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@param addrsiz Size of register address in bytes
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@param buf Buffer containing data to write
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@param bufsiz Size of data to write in bytes
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@return true if write was successful, otherwise false */
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bool Adafruit_GenericDevice::writeRegister(uint8_t *addr_buf, uint8_t addrsiz,
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const uint8_t *buf,
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uint16_t bufsiz) {
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if (!_begun || !_writereg_func)
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return false;
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return _writereg_func(_obj, addr_buf, addrsiz, buf, bufsiz);
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}
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