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Add an instance of ExternalWatchdogManager to Tower V2

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This commit is contained in:
Alex Beal
2026-07-12 16:17:23 -06:00
parent 47e1ce5bae
commit eb97a375d3
3 changed files with 45 additions and 1 deletions
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variants/heltec_tower_v2/target.cpp
+33
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@@ -14,6 +14,7 @@ VolatileRTCClock fallback_clock;
AutoDiscoverRTCClock rtc_clock(fallback_clock);
MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
TowerV2ExternalWatchdog external_watchdog;
#ifdef DISPLAY_CLASS
DISPLAY_CLASS display;
@@ -29,3 +30,35 @@ mesh::LocalIdentity radio_new_identity() {
RadioNoiseListener rng(radio);
return mesh::LocalIdentity(&rng);
}
bool TowerV2ExternalWatchdog::begin() {
last_feed_watchdog = 0;
pinMode(EXTERNAL_WATCHDOG_WAKE_PIN, INPUT);
pinMode(EXTERNAL_WATCHDOG_DONE_PIN, OUTPUT);
delay(1);
digitalWrite(EXTERNAL_WATCHDOG_DONE_PIN, LOW);
delay(1);
feed();
return true;
}
void TowerV2ExternalWatchdog::loop() {
if (millis() - last_feed_watchdog >= EXTERNAL_WATCHDOG_FEED_INTERVAL_MS) {
feed();
}
}
unsigned long TowerV2ExternalWatchdog::getIntervalMs() const {
unsigned long elapsed_ms = millis() - last_feed_watchdog;
if (elapsed_ms >= EXTERNAL_WATCHDOG_FEED_INTERVAL_MS) {
return 0;
}
return EXTERNAL_WATCHDOG_FEED_INTERVAL_MS - elapsed_ms;
}
void TowerV2ExternalWatchdog::feed() {
digitalWrite(EXTERNAL_WATCHDOG_DONE_PIN, HIGH);
delay(1);
digitalWrite(EXTERNAL_WATCHDOG_DONE_PIN, LOW);
last_feed_watchdog = millis();
}