add heltec tracker v2

boards/heltec_tracker_v2.json

@@ -0,0 +1,40 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv"
+      },
+    "core": "esp32",
+    "extra_flags": [
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=0",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "heltec_tracker_v2"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": ["esp-builtin"],
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "heltec_tracker v2",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://heltec.org/",
+  "vendor": "heltec"
+}

src/helpers/sensors/MicroNMEALocationProvider.h

@@ -3,6 +3,7 @@
 #include "LocationProvider.h"
 #include <MicroNMEA.h>
 #include <RTClib.h>
+#include <helpers/RefCountedDigitalPin.h>
 
 #ifndef GPS_EN
     #ifdef PIN_GPS_EN
@@ -37,14 +38,15 @@ class MicroNMEALocationProvider : public LocationProvider {
     MicroNMEA nmea;
     mesh::RTCClock* _clock;
     Stream* _gps_serial;
+    RefCountedDigitalPin* _peripher_power;
     int _pin_reset;
     int _pin_en;
     long next_check = 0;
     long time_valid = 0;
 
 public :
-    MicroNMEALocationProvider(Stream& ser, mesh::RTCClock* clock = NULL, int pin_reset = GPS_RESET, int pin_en = GPS_EN) :
-    _gps_serial(&ser), nmea(_nmeaBuffer, sizeof(_nmeaBuffer)), _pin_reset(pin_reset), _pin_en(pin_en), _clock(clock) {
+    MicroNMEALocationProvider(Stream& ser, mesh::RTCClock* clock = NULL, int pin_reset = GPS_RESET, int pin_en = GPS_EN,RefCountedDigitalPin* peripher_power=NULL) :
+    _gps_serial(&ser), nmea(_nmeaBuffer, sizeof(_nmeaBuffer)), _pin_reset(pin_reset), _pin_en(pin_en), _clock(clock), _peripher_power(peripher_power) {
         if (_pin_reset != -1) {
             pinMode(_pin_reset, OUTPUT);
             digitalWrite(_pin_reset, GPS_RESET_FORCE);
@@ -56,6 +58,7 @@ public :
     }
 
     void begin() override {
+        if (_peripher_power) _peripher_power->claim();
         if (_pin_en != -1) {
             digitalWrite(_pin_en, PIN_GPS_EN_ACTIVE);
         }
@@ -75,7 +78,8 @@ public :
     void stop() override {
         if (_pin_en != -1) {
             digitalWrite(_pin_en, !PIN_GPS_EN_ACTIVE);
-        }        
+        }
+        if (_peripher_power) _peripher_power->release();  
     }
 
     void syncTime() override { nmea.clear(); LocationProvider::syncTime(); }

src/helpers/ui/ST7735Display.cpp

@@ -24,14 +24,21 @@ bool ST7735Display::begin() {
     digitalWrite(PIN_TFT_LEDA_CTL, HIGH);
     digitalWrite(PIN_TFT_RST, HIGH);
 
+#if defined(HELTEC_TRACKER_V2)
+    display.initR(INITR_MINI160x80);
+    display.setRotation(DISPLAY_ROTATION);
+    uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR
+    display.sendCommand(ST77XX_MADCTL, &madctl, 1);
+#else
     display.initR(INITR_MINI160x80_PLUGIN);
     display.setRotation(DISPLAY_ROTATION);
+#endif
     display.setSPISpeed(40000000);
     display.fillScreen(ST77XX_BLACK);
     display.setTextColor(ST77XX_WHITE);
     display.setTextSize(2); 
     display.cp437(true);         // Use full 256 char 'Code Page 437' font
-
+    
     _isOn = true;
   }
   return true;

variants/heltec_tracker_v2/HeltecTrackerV2Board.cpp

@@ -0,0 +1,88 @@
+#include "HeltecTrackerV2Board.h"
+
+void HeltecTrackerV2Board::begin() {
+    ESP32Board::begin();
+
+    pinMode(PIN_ADC_CTRL, OUTPUT);
+    digitalWrite(PIN_ADC_CTRL, LOW); // Initially inactive
+
+    pinMode(P_LORA_PA_POWER, OUTPUT);
+    digitalWrite(P_LORA_PA_POWER,HIGH);
+
+    rtc_gpio_hold_dis((gpio_num_t)P_LORA_PA_EN);
+    pinMode(P_LORA_PA_EN, OUTPUT);
+    digitalWrite(P_LORA_PA_EN,HIGH);
+    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) {
+      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)
+        startup_reason = BD_STARTUP_RX_PACKET;
+      }
+
+      rtc_gpio_hold_dis((gpio_num_t)P_LORA_NSS);
+      rtc_gpio_deinit((gpio_num_t)P_LORA_DIO_1);
+    }
+  }
+
+  void HeltecTrackerV2Board::onBeforeTransmit(void) {
+    digitalWrite(P_LORA_TX_LED, HIGH);   // turn TX LED on
+    digitalWrite(P_LORA_PA_TX_EN,HIGH);
+  }
+
+  void HeltecTrackerV2Board::onAfterTransmit(void) {
+    digitalWrite(P_LORA_TX_LED, LOW);   // turn TX LED off
+    digitalWrite(P_LORA_PA_TX_EN,LOW);
+  }
+
+  void HeltecTrackerV2Board::enterDeepSleep(uint32_t secs, int pin_wake_btn) {
+    esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
+
+    // Make sure the DIO1 and NSS GPIOs are hold on required levels during deep sleep
+    rtc_gpio_set_direction((gpio_num_t)P_LORA_DIO_1, RTC_GPIO_MODE_INPUT_ONLY);
+    rtc_gpio_pulldown_en((gpio_num_t)P_LORA_DIO_1);
+
+    rtc_gpio_hold_en((gpio_num_t)P_LORA_NSS);
+
+    rtc_gpio_hold_en((gpio_num_t)P_LORA_PA_EN); //It also needs to be enabled in receive mode
+
+    if (pin_wake_btn < 0) {
+      esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH);  // wake up on: recv LoRa packet
+    } else {
+      esp_sleep_enable_ext1_wakeup( (1L << P_LORA_DIO_1) | (1L << pin_wake_btn), ESP_EXT1_WAKEUP_ANY_HIGH);  // wake up on: recv LoRa packet OR wake btn
+    }
+
+    if (secs > 0) {
+      esp_sleep_enable_timer_wakeup(secs * 1000000);
+    }
+
+    // Finally set ESP32 into sleep
+    esp_deep_sleep_start();   // CPU halts here and never returns!
+  }
+
+  void HeltecTrackerV2Board::powerOff()  {
+    enterDeepSleep(0);
+  }
+
+  uint16_t HeltecTrackerV2Board::getBattMilliVolts()  {
+    analogReadResolution(10);
+    digitalWrite(PIN_ADC_CTRL, HIGH);
+    delay(10);
+    uint32_t raw = 0;
+    for (int i = 0; i < 8; i++) {
+      raw += analogRead(PIN_VBAT_READ);
+    }
+    raw = raw / 8;
+
+    digitalWrite(PIN_ADC_CTRL, LOW);
+
+    return (5.42 * (3.3 / 1024.0) * raw) * 1000;
+  }
+
+  const char* HeltecTrackerV2Board::getManufacturerName() const {
+    return "Heltec Tracker V2";
+  }

variants/heltec_tracker_v2/HeltecTrackerV2Board.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <Arduino.h>
+#include <helpers/RefCountedDigitalPin.h>
+#include <helpers/ESP32Board.h>
+#include <driver/rtc_io.h>
+
+class HeltecTrackerV2Board : public ESP32Board {
+
+public:
+  RefCountedDigitalPin periph_power;
+
+  HeltecTrackerV2Board() : periph_power(PIN_VEXT_EN,PIN_VEXT_EN_ACTIVE) { }
+
+  void begin();
+  void onBeforeTransmit(void) override;
+  void onAfterTransmit(void) override;
+  void enterDeepSleep(uint32_t secs, int pin_wake_btn = -1);
+  void powerOff() override;
+  uint16_t getBattMilliVolts() override;
+  const char* getManufacturerName() const override ;
+
+};

variants/heltec_tracker_v2/pins_arduino.h

@@ -0,0 +1,60 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+static const uint8_t LED_BUILTIN = 18;
+#define BUILTIN_LED  LED_BUILTIN // backward compatibility
+#define LED_BUILTIN LED_BUILTIN  // allow testing #ifdef LED_BUILTIN
+
+static const uint8_t TX = 43;
+static const uint8_t RX = 44;
+
+static const uint8_t SDA = 5;
+static const uint8_t SCL = 6;
+
+static const uint8_t SS    = 8;
+static const uint8_t MOSI  = 10;
+static const uint8_t MISO  = 11;
+static const uint8_t SCK   = 9;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+static const uint8_t A3 = 4;
+static const uint8_t A4 = 5;
+static const uint8_t A5 = 6;
+static const uint8_t A6 = 7;
+static const uint8_t A7 = 8;
+static const uint8_t A8 = 9;
+static const uint8_t A9 = 10;
+static const uint8_t A10 = 11;
+static const uint8_t A11 = 12;
+static const uint8_t A12 = 13;
+static const uint8_t A13 = 14;
+static const uint8_t A14 = 15;
+static const uint8_t A15 = 16;
+static const uint8_t A16 = 17;
+static const uint8_t A17 = 18;
+static const uint8_t A18 = 19;
+static const uint8_t A19 = 20;
+
+static const uint8_t T1 = 1;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 3;
+static const uint8_t T4 = 4;
+static const uint8_t T5 = 5;
+static const uint8_t T6 = 6;
+static const uint8_t T7 = 7;
+static const uint8_t T8 = 8;
+static const uint8_t T9 = 9;
+static const uint8_t T10 = 10;
+static const uint8_t T11 = 11;
+static const uint8_t T12 = 12;
+static const uint8_t T13 = 13;
+static const uint8_t T14 = 14;
+
+static const uint8_t Vext = 3;
+static const uint8_t LED  = 18;
+
+#endif /* Pins_Arduino_h */