Files
bl-mt798x/uboot-mtk-20250711/cmd/glbtn.c
2025-08-22 19:23:16 +08:00

112 lines
2.1 KiB
C

#include <command.h>
#include <button.h>
#include <exports.h>
#include <linux/delay.h>
#include <poller.h>
#include <time.h>
#include <dm/ofnode.h>
#include <env.h>
static struct poller_async led_p;
void led_control(const char *cmd, const char *name, const char *arg)
{
const char *led = ofnode_conf_read_str(name);
char buf[128];
if (!led)
return;
sprintf(buf, "%s %s %s", cmd, led, arg);
run_command(buf, 0);
}
static void gpio_power_clr(void)
{
ofnode node = ofnode_path("/config");
char cmd[128];
const u32 *val;
int size, i;
if (!ofnode_valid(node))
return;
val = ofnode_read_prop(node, "gpio_power_clr", &size);
if (!val)
return;
for (i = 0; i < size / 4; i++) {
sprintf(cmd, "gpio clear %u", fdt32_to_cpu(val[i]));
run_command(cmd, 0);
}
}
static void led_action_post(void *arg)
{
led_control("ledblink", "blink_led", "0");
led_control("led", "blink_led", "on");
}
static int do_glbtn(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
const char *button_label = NULL;
int ret, counter = 0;
struct udevice *dev;
ulong ts;
led_control("ledblink", "blink_led", "250");
gpio_power_clr();
button_label = env_get("glbtn_key");
if (!button_label)
button_label = "reset";
ret = button_get_by_label(button_label, &dev);
if (ret) {
printf("Button '%s' not found (err=%d)\n", button_label, ret);
return CMD_RET_FAILURE;
}
if (!button_get_state(dev)) {
poller_async_register(&led_p, "led_pa");
poller_call_async(&led_p, 1000000, led_action_post, NULL);
return CMD_RET_SUCCESS;
}
led_control("ledblink", "blink_led", "500");
printf("RESET button is pressed for: %2d second(s)", counter++);
ts = get_timer(0);
while (button_get_state(dev) && counter < 4) {
if (get_timer(ts) < 1000)
continue;
ts = get_timer(0);
printf("\b\b\b\b\b\b\b\b\b\b\b\b%2d second(s)", counter++);
}
printf("\n");
led_control("ledblink", "blink_led", "0");
if (counter == 4) {
led_control("led", "system_led", "on");
run_command("httpd", 0);
} else {
led_control("ledblink", "blink_led", "0");
}
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
glbtn, 1, 0, do_glbtn,
"GL-iNet button check",
""
);