File content as of revision 8:211d1b8f730c:

/*******************************************************************************
* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*******************************************************************************/

#include "I2CMaster.hpp"

namespace MaximInterface {
namespace mbed {

error_code I2CMaster::start(uint_least8_t address) {
  i2c->start();
  return writeByte(address);
}

error_code I2CMaster::stop() {
  i2c->stop();
  return error_code();
}

error_code I2CMaster::writeByte(uint_least8_t data) {
  return (i2c->write(data) == 1) ? error_code() : make_error_code(NackError);
}

error_code I2CMaster::writePacketImpl(uint_least8_t address,
                                      span<const uint_least8_t> data,
                                      bool sendStop) {
  return (i2c->write(address, reinterpret_cast<const char *>(data.data()),
                     data.size(), !sendStop) == 0)
             ? error_code()
             : make_error_code(NackError);
}

error_code I2CMaster::readByte(AckStatus status, uint_least8_t & data) {
  data = i2c->read(status == Ack);
  return error_code();
}

error_code I2CMaster::readPacketImpl(uint_least8_t address,
                                     span<uint_least8_t> data, bool sendStop) {
  return (i2c->read(address, reinterpret_cast<char *>(data.data()), data.size(),
                    !sendStop) == 0)
             ? error_code()
             : make_error_code(NackError);
}

} // namespace mbed
} // namespace MaximInterface