add heltec tower v2

2026-09-23 03:16:40 +00:00 · 2026-05-12 14:53:17 +08:00
parent 3eacc49489
commit 3a546a6395
8 changed files with 474 additions and 0 deletions
@@ -0,0 +1,102 @@
+#include "HeltecTowerV2Board.h"
+
+#include <Arduino.h>
+#include <Wire.h>
+
+extern void variant_shutdown();
+
+#ifdef NRF52_POWER_MANAGEMENT
+const PowerMgtConfig power_config = {
+  .lpcomp_ain_channel = PWRMGT_LPCOMP_AIN,
+  .lpcomp_refsel = PWRMGT_LPCOMP_REFSEL,
+  .voltage_bootlock = PWRMGT_VOLTAGE_BOOTLOCK
+};
+
+void HeltecTowerV2Board::initiateShutdown(uint8_t reason) {
+  pinMode(PIN_GPS_EN, OUTPUT);
+  digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
+  pinMode(PIN_GPS_STANDBY, OUTPUT);
+  digitalWrite(PIN_GPS_STANDBY, LOW);
+  pinMode(PIN_GPS_RESET, OUTPUT);
+  digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
+
+  bool enable_lpcomp = (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
+                        reason == SHUTDOWN_REASON_BOOT_PROTECT);
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, enable_lpcomp ? HIGH : LOW);
+
+  if (enable_lpcomp) {
+    configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
+  }
+
+  variant_shutdown();
+  enterSystemOff(reason);
+}
+#endif
+
+void HeltecTowerV2Board::begin() {
+  NRF52Board::begin();
+
+#ifdef P_LORA_TX_LED
+  pinMode(P_LORA_TX_LED, OUTPUT);
+  digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
+#endif
+
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, LOW);
+
+#ifdef NRF52_POWER_MANAGEMENT
+  checkBootVoltage(&power_config);
+#endif
+
+  Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
+  Wire.begin();
+
+  pinMode(PIN_GPS_EN, OUTPUT);
+  digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
+  pinMode(PIN_GPS_RESET, OUTPUT);
+  digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
+  pinMode(PIN_GPS_STANDBY, OUTPUT);
+  digitalWrite(PIN_GPS_STANDBY, HIGH);
+}
+
+#ifdef P_LORA_TX_LED
+void HeltecTowerV2Board::onBeforeTransmit() {
+  digitalWrite(P_LORA_TX_LED, LED_STATE_ON);
+}
+
+void HeltecTowerV2Board::onAfterTransmit() {
+  digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
+}
+#endif
+
+uint16_t HeltecTowerV2Board::getBattMilliVolts() {
+  analogReadResolution(12);
+  analogReference(VBAT_AR_INTERNAL);
+  pinMode(PIN_VBAT_READ, INPUT);
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, HIGH);
+
+  delay(10);
+  int adcvalue = analogRead(PIN_VBAT_READ);
+  digitalWrite(PIN_BAT_CTL, LOW);
+
+  return (uint16_t)((float)adcvalue * MV_LSB * ADC_MULTIPLIER);
+}
+
+const char* HeltecTowerV2Board::getManufacturerName() const {
+  return "Heltec Tower V2";
+}
+
+void HeltecTowerV2Board::powerOff() {
+  pinMode(PIN_GPS_EN, OUTPUT);
+  digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
+  pinMode(PIN_GPS_STANDBY, OUTPUT);
+  digitalWrite(PIN_GPS_STANDBY, LOW);
+  pinMode(PIN_GPS_RESET, OUTPUT);
+  digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE);
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, LOW);
+  variant_shutdown();
+  sd_power_system_off();
+}