155 lines
4 KiB
C
155 lines
4 KiB
C
/*
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=================================================================================
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Name : pcd8544_test.c
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Version : 0.1
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Copyright (C) 2010 Limor Fried, Adafruit Industries
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Raspberry Pi version by Andre Wussow, 2012, desk@binerry.de
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Description :
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A simple PCD8544 LCD (Nokia3310/5110) test for Raspberry PI PCD8544 Library.
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Based on Limor Fried's PCD8544 Arduino samples
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(https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library/blob/master/examples/pcdtest/pcdtest.pde)
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Makes use of WiringPI-library of Gordon Henderson (https://projects.drogon.net/raspberry-pi/wiringpi/)
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Recommended connection (http://www.raspberrypi.org/archives/384):
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LCD pins Raspberry Pi
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LCD1 - GND P06 - GND
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LCD2 - VCC P01 - 3.3V
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LCD3 - CLK P11 - GPIO0
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LCD4 - Din P12 - GPIO1
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LCD5 - D/C P13 - GPIO2
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LCD6 - CS P15 - GPIO3
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LCD7 - RST P16 - GPIO4
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LCD8 - LED P01 - 3.3V
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================================================================================
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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================================================================================
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*/
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#include <wiringPi.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "PCD8544.h"
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// pin setup
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int _din = 1;
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int _sclk = 0;
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int _dc = 2;
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int _rst = 4;
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int _cs = 3;
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// lcd contrast
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int contrast = 50;
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int main (void)
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{
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// print infos
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printf("Raspberry Pi PCD8544 test\n");
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printf("========================================\n");
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printf("CLK on Port %i \n", _sclk);
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printf("DIN on Port %i \n", _din);
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printf("DC on Port %i \n", _dc);
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printf("CS on Port %i \n", _cs);
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printf("RST on Port %i \n", _rst);
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printf("========================================\n");
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// check wiringPi setup
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if (wiringPiSetup() == -1)
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{
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printf("wiringPi-Error\n");
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exit(1);
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}
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// init and clear lcd
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LCDInit(_sclk, _din, _dc, _cs, _rst, contrast);
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LCDclear();
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// turn all the pixels on (a handy test)
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printf("Test: All pixels on.\n");
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LCDcommand(PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYALLON);
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delay(1000);
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// back to normal
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printf("Test: All pixels off.\n");
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LCDcommand(PCD8544_DISPLAYCONTROL | PCD8544_DISPLAYNORMAL);
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LCDclear();
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// display logo
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printf("Test: Display logo.\n");
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LCDshowLogo();
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delay(2000);
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LCDclear();
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// draw a single pixel
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printf("Test: Display single pixel.\n");
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LCDsetPixel(10, 10, BLACK);
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LCDdisplay();
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delay(2000);
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LCDclear();
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// draw many lines
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printf("Test: Draw many lines.\n");
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int i;
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for (i=0; i<84; i+=4) {
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LCDdrawline(0, 0, i, 47, BLACK);
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}
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for (i=0; i<48; i+=4) {
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LCDdrawline(0, 0, 83, i, BLACK);
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}
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LCDdisplay();
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delay(2000);
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LCDclear();
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// draw rectangles
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printf("Test: Draw rectangles.\n");
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for (i=0; i<48; i+=2) {
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LCDdrawrect(i, i, 96-i, 48-i, BLACK);
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}
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LCDdisplay();
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delay(2000);
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LCDclear();
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// draw multiple rectangles
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printf("Test: Draw multiple rectangles.\n");
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for (i=0; i<48; i++) {
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// alternate colors for moire effect
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LCDfillrect(i, i, 84-i, 48-i, i%2);
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}
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LCDdisplay();
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delay(2000);
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LCDclear();
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// draw mulitple circles
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printf("Test: Draw multiple circles.\n");
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for (i=0; i<48; i+=2) {
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LCDdrawcircle(41, 23, i, BLACK);
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}
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LCDdisplay();
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delay(2000);
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LCDclear();
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// draw the first ~120 characters in the font
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printf("Test: Draw the first ~120 chars.\n");
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for (i=0; i < 64; i++) {
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LCDdrawchar((i % 14) * 6, (i/14) * 8, i);
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}
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LCDdisplay();
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delay(2000);
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for (i=0; i < 64; i++) {
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LCDdrawchar((i % 14) * 6, (i/14) * 8, i + 64);
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}
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LCDdisplay();
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delay(2000);
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LCDclear();
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return 0;
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} |