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cmd: Split tmenu render/input

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- so that we can show it quickly and do stuff "in the background"
  before accepting input from the user

Signed-off-by: Ondrej Jirman <megous@megous.com>
This commit is contained in:
Ondrej Jirman
2019-09-13 23:45:04 +02:00
parent d6947fbb9f
commit 2ee8faebca
1 changed files with 40 additions and 10 deletions
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50
cmd/tmenu.c
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@@ -124,7 +124,7 @@ static void painter_char(struct painter* p, char ch, u32 color)
// menu command
static int do_tmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
static int handle_tmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[], int no_touch)
{
struct udevice *vdev, *tdev;
struct video_priv *vpriv;
@@ -144,9 +144,11 @@ static int do_tmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
if (ret)
return CMD_RET_FAILURE;
ret = uclass_first_device_err(UCLASS_TOUCHPANEL, &tdev);
if (ret)
return CMD_RET_FAILURE;
if (!no_touch) {
ret = uclass_first_device_err(UCLASS_TOUCHPANEL, &tdev);
if (ret)
return CMD_RET_FAILURE;
}
vpriv = dev_get_uclass_priv(vdev);
@@ -168,10 +170,12 @@ static int do_tmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
int selected = -1;
int redraw = 1;
ret = touchpanel_start(tdev);
if (ret < 0) {
printf("Failed to start %s, err=%d\n", tdev->name, ret);
return CMD_RET_FAILURE;
if (!no_touch) {
ret = touchpanel_start(tdev);
if (ret < 0) {
printf("Failed to start %s, err=%d\n", tdev->name, ret);
return CMD_RET_FAILURE;
}
}
next:
@@ -196,8 +200,11 @@ next:
redraw = 0;
}
if (no_touch)
return CMD_RET_SUCCESS;
// don't be too busy reading i2c
udelay(100 * 1000);
udelay(50 * 1000);
// handle input
ret = touchpanel_get_touches(tdev, touches, ARRAY_SIZE(touches));
@@ -248,4 +255,27 @@ next:
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(tmenu, 8, 1, do_tmenu, "tmenu", "tmenu item1 [item2...] - show touch menu");
static int do_tmenu_render(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
return handle_tmenu(cmdtp, flag, argc, argv, 1);
}
static int do_tmenu_input(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
return handle_tmenu(cmdtp, flag, argc, argv, 0);
}
static int do_tmenu(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
ret = do_tmenu_render(cmdtp, flag, argc, argv);
if (ret == CMD_RET_SUCCESS)
ret = do_tmenu_input(cmdtp, flag, argc, argv);
return ret;
}
U_BOOT_CMD(tmenu, 8, 1, do_tmenu, "tmenu", "tmenu item1 [item2...] - show touch menu and wait for input");
U_BOOT_CMD(tmenu_render, 8, 1, do_tmenu_render, "tmenu_render", "tmenu_render item1 [item2...] - show touch menu");
U_BOOT_CMD(tmenu_input, 8, 1, do_tmenu_input, "tmenu_input", "tmenu_input item1 [item2...] - wait for touch menu input");