use rom linked functions for pin keeping

rust/src/hal/esp.rs

@@ -336,7 +336,7 @@ impl Esp<'_> {
     }
     pub(crate) fn clear_low_voltage_in_cycle(&mut self) {
         unsafe {
-            LOW_VOLTAGE_DETECTED = 1;
+            LOW_VOLTAGE_DETECTED = 0;
         }
     }
 
@@ -547,7 +547,8 @@ impl Esp<'_> {
         if duration_in_ms == 0 {
             software_reset();
         } else {
-            let timer = TimerWakeupSource::new(core::time::Duration::from_millis(duration_in_ms));
+            ///let timer = TimerWakeupSource::new(core::time::Duration::from_millis(duration_in_ms));
+            let timer = TimerWakeupSource::new(core::time::Duration::from_millis(5000));
             let mut wake_pins: [(&mut dyn RtcPinWithResistors, WakeupLevel); 1] = [(&mut self.wake_gpio1, WakeupLevel::Low)];
             let ext1 = esp_hal::rtc_cntl::sleep::Ext1WakeupSource::new(&mut wake_pins);
             rtc.sleep_deep(&[&timer, &ext1]);