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Draw a BSD logo on the LCD display at start.

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This commit is contained in:
Serge Vakulenko
2015-11-19 19:04:23 -08:00
parent 2fd36d9175
commit be1726a662
1 changed files with 37 additions and 1 deletions
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38
sys/pic32/gpanel.c
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@@ -1,6 +1,6 @@
/*
* Generic TFT LCD driver for PIC32.
* Supported chips: ST7781.
* Supported chips: ST7781, NT35702, ILI9341.
*
* Copyright (C) 2015 Serge Vakulenko <serge@vak.ru>
*
@@ -553,6 +553,41 @@ int gpanel_ioctl(dev_t dev, register u_int cmd, caddr_t addr, int flag)
return 0;
}
/*
* Draw a BSD logo on the screen.
*/
static void draw_logo()
{
#define K 7
#define COLOR_B 0xf81f
#define COLOR_S 0x07ff
#define COLOR_D 0xffe0
int x = hw.width/2 - 17*K;
int y = hw.height/2 + 11*K;
hw.clear(&hw, 0, 0, 0);
/* B */
gpanel_draw_line( 0*K+x, y- 0*K, 0*K+x, y-11*K, COLOR_B);
gpanel_draw_line( 0*K+x, y-11*K, 0*K+x, y-22*K, COLOR_B);
gpanel_draw_line( 0*K+x, y-22*K, 10*K+x, y-19*K, COLOR_B);
gpanel_draw_line(10*K+x, y-19*K, 0*K+x, y-11*K, COLOR_B);
gpanel_draw_line( 0*K+x, y-11*K, 10*K+x, y- 8*K, COLOR_B);
gpanel_draw_line(10*K+x, y- 8*K, 0*K+x, y- 0*K, COLOR_B);
/* S */
gpanel_draw_line(22*K+x, y-22*K, 12*K+x, y-19*K, COLOR_S);
gpanel_draw_line(12*K+x, y-19*K, 22*K+x, y- 8*K, COLOR_S);
gpanel_draw_line(22*K+x, y- 8*K, 12*K+x, y- 0*K, COLOR_S);
/* D */
gpanel_draw_line(24*K+x, y-22*K, 24*K+x, y- 0*K, COLOR_D);
gpanel_draw_line(24*K+x, y-22*K, 34*K+x, y-19*K, COLOR_D);
gpanel_draw_line(34*K+x, y-19*K, 34*K+x, y- 8*K, COLOR_D);
gpanel_draw_line(34*K+x, y- 8*K, 24*K+x, y- 0*K, COLOR_D);
}
/*
* Read the the chip ID register.
* Some controllers have a register #0
@@ -639,6 +674,7 @@ static int probe(config)
break;
}
printf("gpanel0: <%s> display %ux%u\n", hw.name, hw.width, hw.height);
draw_logo();
return 1;
failed: