apps/examples/ft80x:  Need to clear display before showing example title display.
@@ -163,7 +163,14 @@ static const struct ft80x_exampleinfo_s g_coproc[] =
static int ft80x_showname(int fd, FAR struct ft80x_dlbuffer_s *buffer,
FAR const char *name)
{
+ struct
+ {
+ struct ft80x_cmd32_s clearrgb;
+ struct ft80x_cmd32_s clear;
+ struct ft80x_cmd32_s colorrgb;
struct ft80x_cmd_text_s text;
+ } cmds;
+
int ret;
/* Mkae sure that the backlight off */
@@ -179,15 +186,23 @@ static int ft80x_showname(int fd, FAR struct ft80x_dlbuffer_s *buffer,
return ret;
}
- /* Use the CMD_TEXT co-processor command */
+ /* Clear the display */
+
+ cmds.clearrgb.cmd = FT80X_CLEAR_COLOR_RGB(0, 0, 0x80);
+ cmds.clear.cmd = FT80X_CLEAR(1 ,1, 1);
+ cmds.colorrgb.cmd = FT80X_COLOR_RGB(0xff, 0xff, 0xff);
+
+ /* Use the CMD_TEXT co-processor command to show the name of the next
+ * example at the center of the display.
+ */
- text.cmd = FT80X_CMD_TEXT;
- text.x = 80;
- text.y = 60;
- text.font = 31;
- text.options = FT80X_OPT_CENTER;
+ cmds.text.cmd = FT80X_CMD_TEXT;
+ cmds.text.x = FT80X_DISPLAY_WIDTH / 2;
+ cmds.text.y = FT80X_DISPLAY_HEIGHT / 2;
+ cmds.text.font = 31;
+ cmds.text.options = FT80X_OPT_CENTER;
- ret = ft80x_dl_data(fd, buffer, &text, sizeof(struct ft80x_cmd_text_s));
+ ret = ft80x_dl_data(fd, buffer, &cmds, sizeof(cmds));
if (ret < 0)
{
ft80x_err("ERROR: ft80x_dl_data failed: %d\n", ret);
@@ -210,7 +225,7 @@ static int ft80x_showname(int fd, FAR struct ft80x_dlbuffer_s *buffer,
return ret;
}
- /* Fade on, then wait bit so that the user can read the name */
+ /* Fade on then wait bit so that the user can read the example name */
(void)ft80x_backlight_fade(fd, 100, 1000);
(void)sleep(1);
