/*----------------------------------------------------------------------------*/
static void draw_cursor()
{
#if 0
lcd_put_char(0, 0, view_data.cursor_active ? UP_ARROW_CHR : ' ');
lcd_put_char(0, 1, view_data.cursor_active ? DOWN_ARROW_CHR : ' ');
#else
int index, y = 0, height;
height = lcd_height();
index = view_data.index;
if((index >= view_data.string_count - height + 1) && (index >= height - 1))
{
index -= height - 1;
y += view_data.index - index;
}
lcd_put_char(0, y, view_data.cursor_active ? BLOCK_CHR : ' ');
#endif
}
/*----------------------------------------------------------------------------*/
static void display()
{
int width, height, y, index;
width = lcd_width();
height = lcd_height();
lcd_clear();
index = view_data.index;
if((index >= view_data.string_count - height + 1) && (index >= height - 1))
index -= height - 1;
for(y = 0; y < height; y++)
{
char *str = 0;
int size = 0, x = 1;
SCR_ALIGN align = SCR_ALIGN_LEFT;
if(index < view_data.string_count)
view_data.get(view_data.data, index, &str, &align);
if(str != 0)
{
size = strlen(str);
if(align == SCR_ALIGN_CENTER)
x = 1 + (width - size) / 2;
else
if(align == SCR_ALIGN_CENTER)
x = 1 + width - size;
if(size >= width && index == view_data.index)
{
lcd_add_scroll_text(y, 1, width - 1, str);
}
else
{
if(x < 1)
x = 1;
for(; x < width && *str; x++)
{
lcd_put_char(x, y, *str);
str ++;
}
}
}
index ++;
}
draw_cursor();
}
int cmd_lcd(int argc, char **argv)
{
int i;
int ret;
if (is_command(argc, argv, "init")) {
printf("Initializing LCD... ");
ret = lcd_init();
if (ret)
printf("failed: %d\n", ret);
else
printf("Ok\n");
}
#ifdef LCD_DEBUG
else if (is_command(argc, argv, "dump")) {
lcd_dump();
}
#endif
else if (is_command(argc, argv, "run")) {
printf("Running LCD... ");
ret = lcd_run();
if (ret)
printf("failed: %d\n", ret);
else
printf("Ok\n");
}
else if (is_command(argc, argv, "stop")) {
printf("Stopping LCD... ");
ret = lcd_stop();
if (ret)
printf("failed: %d\n", ret);
else
printf("Ok\n");
}
else if (is_command(argc, argv, "tpp1")) {
int w = lcd_width();
int h = lcd_height();
int total = w * h;
for (i = 0; i < total; i++)
lcd_addpixel(i);
}
else if (is_command(argc, argv, "tpp2")) {
int x, y;
i = 0;
for (y = 0; y < lcd_height(); y++)
for (x = 0; x < lcd_width(); x++)
lcd_addpixel(rgb(i++, 0, 0));
}
else if (is_command(argc, argv, "tpd")) {
static int step = 0;
pixel_t *fb;
int x, y;
int w, h;
fb = lcd_fb();
h = lcd_height();
w = lcd_width();
/* Stupid clear-screen */
memset(fb, 0, w * h * lcd_bpp());
printf("Width: %d Height: %d\n", w, h);
i = step++;
fb = lcd_fb();
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
/* Swap axes, to verify X and Y work */
if (step & 1)
*fb++ = color_wheel(y + step);
else
*fb++ = color_wheel(x + step);
}
}
lcd_run();
}
else {
printf("lcd sub-commands (usage: lcd [subcmd]):\n");
printf("\tinit Initialize LCD registers\n");
printf("\trun Transfer one frame of the LCD\n");
printf("\tstop Stop and reset LCD auto-update\n");
#ifdef LCD_DEBUG
printf("\tdump Dump current register list\n");
#endif
printf("\ttpp1 Display bitbanged, PIO 'test pattern 1'\n");
printf("\ttpp2 Display bitbanged, PIO 'test pattern 2'\n");
printf("\ttpd DMA test pattern (flips on each iteration)\n");
}
return 0;
}
