129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*
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=================================================================================
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Name : pcd8544_test2.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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// animation setup
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#define NUMFLAKES 8
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#define XPOS 0
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#define YPOS 1
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#define DELTAY 2
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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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// a bitmap of a 16x16 smiley icon
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// get the bitmap assistance here! : http://en.radzio.dxp.pl/bitmap_converter/
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// or here! : http://www.henningkarlsen.com/electronics/t_imageconverter_mono.php
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const uint8_t smiley[]={
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0x00, 0xE0, 0x30, 0x18, 0x0C, 0x66, 0x62, 0x02, 0x02, 0x62, 0x66, 0x0C, 0x18, 0x30, 0xE0, 0x00, // 0x0010 (16) pixels
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0x00, 0x07, 0x0C, 0x18, 0x30, 0x62, 0x44, 0x4C, 0x4C, 0x44, 0x62, 0x30, 0x18, 0x0C, 0x07, 0x00, // 0x0020 (32) pixels
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};
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#define SMILEY_HEIGHT 16
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#define SMILEY_WIDTH 16
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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 animation 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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uint8_t icons[NUMFLAKES][3];
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srandom(666); // whatever seed
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// initialize
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int f;
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for (f=0; f< NUMFLAKES; f++) {
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icons[f][XPOS] = random() % LCDWIDTH;
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icons[f][YPOS] = 0;
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icons[f][DELTAY] = random() % 5 + 1;
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}
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while (1) {
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// draw each icon
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for (f=0; f< NUMFLAKES; f++) {
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LCDdrawbitmap(icons[f][XPOS], icons[f][YPOS], smiley, SMILEY_WIDTH, SMILEY_HEIGHT, BLACK);
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}
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LCDdisplay();
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delay(500);
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// then erase it + move it
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for (f=0; f< NUMFLAKES; f++) {
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LCDdrawbitmap(icons[f][XPOS], icons[f][YPOS], smiley, SMILEY_WIDTH, SMILEY_HEIGHT, 0);
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// move it
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icons[f][YPOS] += icons[f][DELTAY];
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// if its gone, reinit
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if (icons[f][YPOS] > LCDHEIGHT) {
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icons[f][XPOS] = random() % LCDWIDTH;
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icons[f][YPOS] = 0;
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icons[f][DELTAY] = random() % 5 + 1;
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}
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}
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}
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return 0;
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} |