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Add 1ms delay after powering PA (cold-boot)

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Wessel Nieboer 2026-02-08 16:36:13 +01:00 • committed by Wessel Nieboer
parent 329e408197
commit 2bb6f636a4
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GPG key ID: 27BB1C3D63DEEFFF
2 changed files with 9 additions and 4 deletions
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7
variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp
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@ -20,9 +20,12 @@ void HeltecTrackerV2Board::begin() {
pinMode(P_LORA_PA_TX_EN, OUTPUT);
digitalWrite(P_LORA_PA_TX_EN,LOW);
periph_power.begin();
esp_reset_reason_t reason = esp_reset_reason();
if (reason != ESP_RST_DEEPSLEEP) {
delay(1); // GC1109 startup time after cold power-on
}
periph_power.begin();
if (reason == ESP_RST_DEEPSLEEP) {
long wakeup_source = esp_sleep_get_ext1_wakeup_status();
if (wakeup_source & (1 << P_LORA_DIO_1)) { // received a LoRa packet (while in deep sleep)

6
variants/heltec_v4/HeltecV4Board.cpp
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@ -21,10 +21,12 @@ void HeltecV4Board::begin() {
pinMode(P_LORA_PA_TX_EN, OUTPUT);
digitalWrite(P_LORA_PA_TX_EN,LOW);
esp_reset_reason_t reason = esp_reset_reason();
if (reason != ESP_RST_DEEPSLEEP) {
delay(1); // GC1109 startup time after cold power-on
}
periph_power.begin();
esp_reset_reason_t reason = esp_reset_reason();
if (reason == ESP_RST_DEEPSLEEP) {
long wakeup_source = esp_sleep_get_ext1_wakeup_status();
if (wakeup_source & (1 << P_LORA_DIO_1)) { // received a LoRa packet (while in deep sleep)