/* * Author: Yevgeniy Kiveisha * Copyright (c) 2014 Intel Corporation. * * Contributions: Jon Trulson * * 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 "lcm1602.h" namespace upm { /** * @library i2clcd * @sensor jhd1313m1 * @comname JHD1313M1 Display * @altname Grove RGB LCD * @type display * @man seeed adafruit sparkfun * @web http://www.seeedstudio.com/depot/Grove-LCD-RGB-Backlight-p-1643.html?cPath=34_36 * @con i2c * @kit gsk * * @brief API for the JHD1313M1 I2C controller for HD44780-based displays with * an RGB backlight, such as a Grove RGB I2C LCD display * * JHD1313M1 has two I2C addreses: one belongs to a controller, very similar * to the upm::Lcm1602 LCD driver, that controls the HD44780-based display, and the * other controls only the backlight. This module was tested with the Seeed * Grove LCD RGB Backlight v2.0 display that requires 5V to operate. * * @image html grovergblcd.jpg * @snippet jhd1313m1-lcd.cxx Interesting */ class Jhd1313m1 : public Lcm1602 { public: /** * Jhd1313m1 constructor * * @param bus I2C bus to use * @param address Slave address the LCD is registered on * @param address Slave address the RGB backlight is registered on */ Jhd1313m1(int bus, int lcdAddress = 0x3E, int rgbAddress = 0x62); /** * Jhd1313m1 destructor */ ~Jhd1313m1(); /** * Makes the LCD scroll text * * @param direction True if scrolling to the right * @return Result of the operation */ mraa::Result scroll(bool direction); /** * Sets the color of the backlight * * @param r 0-255 value for red * @param g 0-255 value for green * @param b 0-255 value for blue * @return Result of the operation */ mraa::Result setColor(uint8_t r, uint8_t g, uint8_t b); protected: virtual mraa::Result command(uint8_t cmd); virtual mraa::Result data(uint8_t data); private: int m_rgb_address; mraa::I2c m_i2c_lcd_rgb; }; }