static void
fill_screen(void)
{
int result;
#define DEPTH CYG_FB_DEPTH(FRAMEBUF)
#define WIDTH CYG_FB_WIDTH(FRAMEBUF)
#define HEIGHT CYG_FB_HEIGHT(FRAMEBUF)
diag_printf("Frame buffer %s\n", STRING(FRAMEBUF));
diag_printf("Depth %d, width %d, height %d\n", DEPTH, WIDTH, HEIGHT);
result = CYG_FB_ON(FRAMEBUF);
if (CYG_FB_FLAGS0(FRAMEBUF) & CYG_FB_FLAGS0_TRUE_COLOUR) {
reset_colours_to_true();
}
// A white background
CYG_FB_FILL_BLOCK(FRAMEBUF, 0, 0, WIDTH, HEIGHT, WHITE);
}
void
cyg_start(void)
{
int i, j;
int x = 0, y = 0;
int result;
cyg_ucount16 block_width;
CYG_FB_PIXEL0_VAR(FRAMEBUF);
CYG_FB_PIXEL1_VAR(FRAMEBUF);
#define DEPTH CYG_FB_DEPTH(FRAMEBUF)
#define WIDTH CYG_FB_WIDTH(FRAMEBUF)
#define HEIGHT CYG_FB_HEIGHT(FRAMEBUF)
CYG_TEST_INIT();
diag_printf("Frame buffer %s\n", STRING(FRAMEBUF));
diag_printf("Depth %d, width %d, height %d\n", DEPTH, WIDTH, HEIGHT);
result = CYG_FB_ON(FRAMEBUF);
if (CYG_FB_FLAGS0(FRAMEBUF) & CYG_FB_FLAGS0_TRUE_COLOUR) {
reset_colours_to_true();
}
// A white background
CYG_FB_FILL_BLOCK(FRAMEBUF, 0, 0, WIDTH, HEIGHT, WHITE);
// A black block in the middle, 25 pixels in.
CYG_FB_FILL_BLOCK(FRAMEBUF, 32, 32, WIDTH - 64, HEIGHT - 64, BLACK);
// Four diagonal lines in the corners. Red in the top left, blue in the top right,
// green in the bottom left, and yellow in the bottom right.
for (i = 0; i < 32; i++) {
CYG_FB_WRITE_PIXEL(FRAMEBUF, i, i, RED);
CYG_FB_WRITE_PIXEL(FRAMEBUF, (WIDTH - 1) - i, i, BLUE);
CYG_FB_WRITE_PIXEL(FRAMEBUF, i, (HEIGHT - 1) - i, GREEN);
CYG_FB_WRITE_PIXEL(FRAMEBUF, (WIDTH - 1) - i, (HEIGHT - 1) - i, YELLOW);
}
// Horizontal and vertical lines. Cyan at the top, magenta on the bottom,
// brown on the left, lightgrey on the right.
CYG_FB_WRITE_HLINE(FRAMEBUF, 32, 16, WIDTH - 64, CYAN);
CYG_FB_WRITE_HLINE(FRAMEBUF, 32, HEIGHT - 16, WIDTH - 64, MAGENTA);
CYG_FB_WRITE_VLINE(FRAMEBUF, 16, 32, HEIGHT - 64, BROWN);
CYG_FB_WRITE_VLINE(FRAMEBUF, WIDTH - 16, 32, HEIGHT - 64, LIGHTGREY);
// Top left, diagonal lines away from 0,0 with increasing spacing horizontally
for (i = 0; i < 16; i++) {
CYG_FB_PIXEL0_SET(FRAMEBUF, i + 16, i);
for (j = 0; j < 16; j++) {
CYG_FB_PIXEL0_WRITE(FRAMEBUF, colours[i]);
CYG_FB_PIXEL0_ADDX(FRAMEBUF, j);
}
}
// Top right, diagonal lines away from the corner, with increasing spacing horizontally
for (i = 0; i < 16; i++) {
CYG_FB_PIXEL0_SET(FRAMEBUF, WIDTH - (i + 16), i);
for (j = 0; j < 16; j++) {
CYG_FB_PIXEL0_WRITE(FRAMEBUF, colours[i]);
CYG_FB_PIXEL0_ADDX(FRAMEBUF, -1 * j);
}
}
// Top left, diagonal lines away from the corner, with increasing spacing vertically
for (i = 0; i < 16; i++) {
CYG_FB_PIXEL0_SET(FRAMEBUF, i, i + 16);
for (j = 0; j < 16; j++) {
CYG_FB_PIXEL0_WRITE(FRAMEBUF, colours[i]);
CYG_FB_PIXEL0_ADDY(FRAMEBUF, j);
}
}
// Bottom left, diagonal lines away from the corner, with increasing spacing vertically
for (i = 0; i < 16; i++) {
CYG_FB_PIXEL0_SET(FRAMEBUF, i, HEIGHT - (i + 16));
for (j = 0; j < 16; j++) {
CYG_FB_PIXEL0_WRITE(FRAMEBUF, colours[i]);
CYG_FB_PIXEL0_ADDY(FRAMEBUF, -1 * j);
}
}
// Thin vertical bars in the top-middle of the screen, between the hline and the box.
// Starting in the center and moving out with increasing spacing.
for (j = 0; j < 8; j++) {
CYG_FB_PIXEL0_SET(FRAMEBUF, (WIDTH / 2) - 2, 20 + j);
CYG_FB_PIXEL0_GET(FRAMEBUF, x, y);
CYG_FB_PIXEL1_SET(FRAMEBUF, x + 3, y);
for (i = 0; i < 16; i++) {
CYG_FB_PIXEL0_ADDX(FRAMEBUF, -1 * i);
CYG_FB_PIXEL1_ADDX(FRAMEBUF, i);
CYG_FB_PIXEL0_WRITE(FRAMEBUF, colours[i]);
CYG_FB_PIXEL1_WRITE(FRAMEBUF, colours[i]);
}
}
if (8 == DEPTH) {
CYG_FB_WRITE_BLOCK(FRAMEBUF, 0, HEIGHT / 2, 8, 8, bitmap8, 0, 8);
} else if (16 == DEPTH) {
CYG_FB_WRITE_BLOCK(FRAMEBUF, 0, HEIGHT / 2, 8, 8, bitmap16, 0, 8);
} else if (32 == DEPTH) {
CYG_FB_WRITE_BLOCK(FRAMEBUF, 0, HEIGHT / 2, 8, 8, bitmap32, 0, 8);
}
block_width = (WIDTH - 100) / 14;
for (i = 1; i <= 14; i++) {
CYG_FB_FILL_BLOCK(FRAMEBUF, 50 + ((i - 1) * block_width), 50, block_width, HEIGHT - 100, colours[i]);
}
CYG_TEST_EXIT("Done");
}
