108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <wiringPi.h>
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#include "spilcd.h"
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#include "spilcd_gfx.h"
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#include "spilcd_font.h"
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uint8 random_color_r(int seed);
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uint8 random_color_g(int seed);
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uint8 random_color_b(int seed);
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inline uint8 random_color_r(int seed) { return seed % (256 / 7) * 7; }
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inline uint8 random_color_g(int seed) { return seed % (256 / 13) * 13; }
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inline uint8 random_color_b(int seed) { return seed % (256 / 23) * 23; }
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int main(int argc, char *argv[])
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{
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setbuf(stdout, NULL);
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srand(time(NULL));
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wiringPiSetup();
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lcd_t* lcd = lcd_init(40000000, 1, 10, 7, 8);
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printf("Fill display...");
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printf("blue...");
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lcd_fillScreen(lcd, 0, 70, 160);
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printf("...waiting 1 second...");
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sleep(1);
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printf("black...");
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lcd_fillScreen(lcd, 0, 0, 0);
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Points...");
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for (int i = 1; i < 2000; i++) {
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int r = rand();
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lcd_drawPixel(lcd, r % 128, i % 160,
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random_color_r(i),
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random_color_g(i),
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random_color_b(i));
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}
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Regions...");
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int w = 15;
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int h = 20;
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for (int i = 1; i < 200; i++) {
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int x = rand() % (128 - w);
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int y = rand() % (160 - h);
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lcd_setWindow(lcd, x, y, x + w - 1, y + h - 1);
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uint8 r = rand();
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uint8 g = rand();
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uint8 b = rand();
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for (int p = 0; p < w*h; p++) {
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lcd_pushPixel(lcd, r * p / (w*h), g * (w*h-p) / (w*h), b);
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}
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}
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Rectangles...");
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lcd_fillScreen(lcd, 0, 0, 0);
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lcd_fillRect(lcd, 30, 10, 10, 10, 0, 255, 255);
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lcd_fillRect(lcd, 30, 30, 10, 10, 255, 255, 0);
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printf("DONE\n");
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printf("...waiting 1 second...\n");
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sleep(1);
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printf("Text...");
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lcd_fillScreen(lcd, 0, 0, 0);
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lcd_drawChar(lcd, 10, 90, 'A', 255, 0, 0);
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lcd_drawText(lcd, 10, 50, "Hello, world!", 0, 255, 0);
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lcd_drawChar(lcd, 10, 100, 'Z', 0, 0, 255);
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printf("DONE\n");
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printf("...waiting 2 seconds...\n");
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sleep(2);
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printf("Pulsing color...");
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for (int i = 0; i < 256; i++) {
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lcd_fillScreen(lcd,
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random_color_r(i),
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random_color_g(i),
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random_color_b(i));
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}
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printf("DONE\n");
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printf("...waiting 2 seconds before shutdown...\n");
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sleep(2);
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printf("Terminating...\n");
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lcd_fillScreen(lcd, 0, 0, 0);
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lcd_deinit(lcd);
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printf("DONE\n");
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return 0;
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}
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