/* * Author: Yevgeniy Kiveisha * Copyright (c) 2014 Intel Corporation. * * 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 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" #include "ssd.h" namespace upm { #define DISPLAY_CMD_SET_NORMAL_1308 0xA6 /** * @brief C++ API for SSD1308 i2c controlled OLED displays * * The [SSD1308](http://garden.seeedstudio.com/images/4/46/SSD1308_1.0.pdf) is * a 128x64 Dot matrix OLED/PLED segment driver with controller. This * implementation was tested using the * [Grove LED 128×64 Display module] * (http://www.seeedstudio.com/wiki/Grove_-_OLED_Display_0.96%22) * which is an OLED monochrome display * * @ingroup i2clcd * @snippet oled-1308.cxx Interesting * @image html ssd1308.jpeg */ class SSD1308 : public I2CLcd { public: /** * SSD1308 Constructor, calls libmraa initialisation functions * * @param bus i2c bus to use * @param address the slave address the lcd is registered on */ SSD1308 (int bus, int address=0x3C); /** * SSD1308 Destructor */ ~SSD1308 (); /** * Draw an image, see examples/python/make_oled_pic.py for an * explanation on how the pixels are mapped to bytes * * @param data the buffer to read * @param bytes the amount of bytes to read from the pointer * @return Result of operation */ mraa_result_t draw(uint8_t *data, int bytes); /** * Write a string to LCD * * @param msg The std::string to write to display, note only ascii * chars are supported * @return Result of operation */ mraa_result_t write(std::string msg); /** * Set cursor to a coordinate * * @param row The row to set cursor to * @param column The column to set cursor to * @return Result of operation */ mraa_result_t setCursor(int row, int column); /** * Clear display from characters * * @return Result of operatio */ mraa_result_t clear(); /** * Return to coordinate 0,0 * * @return Result of operation */ mraa_result_t home(); private: mraa_result_t writeChar (mraa_i2c_context ctx, uint8_t value); mraa_result_t setNormalDisplay (); mraa_result_t setAddressingMode (displayAddressingMode mode); }; }