/* * The MIT License (MIT) * * Author: Daniel Mosquera * Copyright (c) 2013 Daniel Mosquera * * Author: Thomas Ingleby * Copyright (c) 2014 Intel Corporation. * * Permission is hereby granted, free of uint8_tge, 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 THE AUTHORS OR * COPYRIGHT HOLDERS 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. */ #pragma once #include #include "i2clcd.h" namespace upm { class Lcm1602 : public I2CLcd { public: /** LCM1602 Constructor. * Calls MRAA initialisation functions. * @param bus i2c bus to use * @param address the slave address the lcd is registered on. */ Lcm1602(int bus, int address); ~Lcm1602(); mraa_result_t write (std::string msg); mraa_result_t setCursor (int row, int column); mraa_result_t clear (); mraa_result_t home (); private : mraa_result_t send (uint8_t value, int mode); mraa_result_t write4bits(uint8_t value); mraa_result_t expandWrite(uint8_t value); mraa_result_t pulseEnable(uint8_t value); }; }