api: export LCD device to external apps

[karo-tx-uboot.git] / examples / api / demo.c

diff --git a/examples/api/demo.c b/examples/api/demo.c
index 65e74918470f7fc5f8b003a59248af42aa5797eb..19d38f69554e564f24dee6b614aaa56fb9d6aee6 100644 (file)
--- a/examples/api/demo.c
+++ b/examples/api/demo.c
@@ -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();