// // GrovePi Example for using the Grove - LCD RGB Backlight (http://www.seeedstudio.com/wiki/Grove_-_LCD_RGB_Backlight) // // The GrovePi connects the Raspberry Pi and Grove sensors. You can learn more about GrovePi here: http://www.dexterindustries.com/GrovePi // // Have a question about this example? Ask on the forums here: http://forum.dexterindustries.com/c/grovepi // /* ## License The MIT License (MIT) GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi. Copyright (C) 2017 Dexter Industries 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. */ #include "grovepi.h" #include "grove_rgb_lcd.h" #include #include using namespace GrovePi; // sudo g++ -Wall grovepi.cpp grove_rgb_lcd.cpp grove_rgb_lcd_example.cpp -o grove_rgb_lcd_example.out -> without grovepicpp package installed // sudo g++ -Wall -lgrovepicpp grove_rgb_lcd.cpp grove_rgb_lcd_example.cpp -o grove_rgb_lcd_example.out -> with grovepicpp package installed int main() { LCD lcd; // initialize new Grove LCD RGB device try { // connect to the i2c-line lcd.connect(); // set text and RGB color on the LCD lcd.setText("Hello world!\nThis is an LCD."); lcd.setRGB(0, 128, 64); // continuously change color for roughly 2.5 seconds for(int value = 0; value < 256; value++) { lcd.setRGB(value, 255 - value, 0); delay(10); } // set final color lcd.setRGB(0, 255, 0); // and display a last minute text lcd.setText("Bye bye!\nThis is line 2"); } catch(I2CError &error) { printf(error.detail()); return -1; } return 0; }