102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "drv_lcd.h"
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static void drawarea(rt_device_t dev, struct rt_device_graphic_info *info,
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int x, int y, int w, int h, uint16_t c)
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{
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struct rt_device_rect_info rect;
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uint16_t *fb;
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int i, j;
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fb = (uint16_t *)info->framebuffer;
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fb += (info->width * y);
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fb += x;
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for (j = 0; j < h; j++)
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{
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for (i = 0; i < w; i++)
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{
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fb[i] = c;
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}
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fb += info->width;
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}
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rect.x = x;
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rect.y = y;
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rect.width = w;
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rect.height = h;
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rt_device_control(dev, RTGRAPHIC_CTRL_RECT_UPDATE, &rect);
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}
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static int showcolor(int argc, char **argv)
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{
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unsigned char r = 0, g = 0, b = 0;
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char *devname = "lcd";
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rt_device_t dev;
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struct rt_device_graphic_info info;
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int result;
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int x = 0, y = 0;
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int i;
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uint16_t c;
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for (i = 1; i < argc; i++)
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{
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switch (i)
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{
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case 1:
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r = atoi(argv[i]);
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break;
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case 2:
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g = atoi(argv[i]);
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break;
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case 3:
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b = atoi(argv[i]);
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break;
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}
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}
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dev = rt_device_find(devname);
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if (!dev)
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{
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rt_kprintf("lcd: %s not found\n", devname);
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return -1;
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}
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if (rt_device_open(dev, 0) != 0)
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{
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rt_kprintf("lcd open fail\n");
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return -1;
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}
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result = rt_device_control(dev, RTGRAPHIC_CTRL_GET_INFO, &info);
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if (result != RT_EOK)
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{
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rt_kprintf("get device information failed\n");
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return result;
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}
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c = (uint16_t)(((r >> 3) << 11) | ((g >> 2) << 6) | ((b >> 3)));
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drawarea(dev, &info, x, y, 24, 24, c);
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lcd_set_color(BLACK, BLUE);
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lcd_show_string(0, 40, 16, "hello world");
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lcd_show_string(0, 60, 24, "hello world");
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lcd_show_string(0, 90, 32, "hello world");
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lcd_draw_line(0, 200, 319, 200);
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lcd_draw_circle(270, 120, 30);
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lcd_set_color(BLACK, RED);
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lcd_show_string(0, 130, 32, "after set color");
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lcd_draw_line(0, 0, 319, 239);
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lcd_draw_rectangle(50, 10, 170, 145);
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lcd_draw_circle(160, 120, 50);
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rt_device_close(dev);
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return 0;
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}
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MSH_CMD_EXPORT(showcolor, showcolor R G B-- R / G / B : 0 ~255);
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