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api: export LCD device to external apps

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This patch exports LCD info-query and bitmap-rendering functions to
external apps.

This patch is tested on a Seaboard.  Because the LCD driver is not yet
upstreamed, the test was done in a local downstream repo.

Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
This commit is contained in:
Che-Liang Chiou 2011-10-20 23:04:22 +00:00 • committed by Anatolij Gustschin
parent d3983ee853
commit a2a5729fc1
8 changed files with 210 additions and 1 deletions
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31
examples/api/demo.c
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@ -48,6 +48,7 @@ int main(int argc, char * const argv[])
ulong start, now;
struct device_info *di;
lbasize_t rlen;
struct display_info disinfo;
if (!api_search_sig(&sig))
return -1;
@ -176,6 +177,36 @@ int main(int argc, char * const argv[])
while ((env = ub_env_enum(env)) != NULL)
printf("%s = %s\n", env, ub_env_get(env));
printf("\n*** Display ***\n");
if (ub_display_get_info(DISPLAY_TYPE_LCD, &disinfo)) {
printf("LCD info: failed\n");
} else {
printf("LCD info:\n");
printf(" pixel width: %d\n", disinfo.pixel_width);
printf(" pixel height: %d\n", disinfo.pixel_height);
printf(" screen rows: %d\n", disinfo.screen_rows);
printf(" screen cols: %d\n", disinfo.screen_cols);
}
if (ub_display_get_info(DISPLAY_TYPE_VIDEO, &disinfo)) {
printf("video info: failed\n");
} else {
printf("video info:\n");
printf(" pixel width: %d\n", disinfo.pixel_width);
printf(" pixel height: %d\n", disinfo.pixel_height);
printf(" screen rows: %d\n", disinfo.screen_rows);
printf(" screen cols: %d\n", disinfo.screen_cols);
}
printf("*** Press any key to continue ***\n");
printf("got char 0x%x\n", ub_getc());
/*
* This only clears messages on screen, not on serial port. It is
* equivalent to a no-op if no display is available.
*/
ub_display_clear();
/* reset */
printf("\n*** Resetting board ***\n");
ub_reset();