add heltec-mesh-node-t1

boards/heltec_t1.json

@@ -0,0 +1,61 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "nrf52840_s140_v6.ld"
+    },
+    "core": "nRF5",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DNRF52840_XXAA",
+    "f_cpu": "64000000L",
+    "hwids": [
+      ["0x239A","0x8029"],
+      ["0x239A","0x0029"],
+      ["0x239A","0x002A"],
+      ["0x239A","0x802A"]
+    ],
+    "usb_product": "HT-n5262T1",
+    "mcu": "nrf52840",
+    "variant": "heltec_t1",
+    "bsp": {
+      "name": "adafruit"
+    },
+    "softdevice": {
+      "sd_flags": "-DS140",
+      "sd_name": "s140",
+      "sd_version": "6.1.1",
+      "sd_fwid": "0x00B6"
+    },
+    "bootloader": {
+      "settings_addr": "0xFF000"
+    }
+  },
+  "connectivity": [
+    "bluetooth"
+  ],
+  "debug": {
+    "jlink_device": "nRF52840_xxAA",
+    "svd_path": "nrf52840.svd",
+    "openocd_target": "nrf52.cfg"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "Heltec Mesh Node T1 Board",
+  "upload": {
+    "maximum_ram_size": 235520,
+    "maximum_size": 815104,
+    "speed": 115200,
+    "protocol": "nrfutil",
+    "protocols": [
+      "jlink",
+      "nrfjprog",
+      "nrfutil",
+      "stlink"
+    ],
+    "use_1200bps_touch": true,
+    "require_upload_port": true,
+    "wait_for_upload_port": true
+  },
+  "url": "https://heltec.org/",
+  "vendor": "Heltec"
+}

src/helpers/ui/ST7735Display.cpp

@@ -28,7 +28,10 @@ bool ST7735Display::begin() {
 #endif
     digitalWrite(PIN_TFT_RST, HIGH);
 
-#if defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096)
+#if defined(HELTEC_T1)
+    display.initR(INITR_MINI160x80);
+    display.setRotation(DISPLAY_ROTATION);
+#elif defined(HELTEC_TRACKER_V2) || defined(HELTEC_T096)
     display.initR(INITR_MINI160x80);
     display.setRotation(DISPLAY_ROTATION);
     uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR

src/helpers/ui/buzzer.cpp

@@ -1,3 +1,4 @@
+#include "Arduino.h"
 #ifdef PIN_BUZZER
 #include "buzzer.h"
 

variants/heltec_t1/T1Board.cpp

@@ -0,0 +1,135 @@
+#include "T1Board.h"
+
+#include <Arduino.h>
+#include <Wire.h>
+
+#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 T1Board::initiateShutdown(uint8_t reason) {
+  variant_shutdown();
+
+  bool enable_lpcomp = (reason == SHUTDOWN_REASON_LOW_VOLTAGE ||
+                        reason == SHUTDOWN_REASON_BOOT_PROTECT);
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, enable_lpcomp ? ADC_CTRL_ENABLED : !ADC_CTRL_ENABLED);
+
+  if (enable_lpcomp) {
+    configureVoltageWake(power_config.lpcomp_ain_channel, power_config.lpcomp_refsel);
+  }
+
+  enterSystemOff(reason);
+}
+#endif
+
+void T1Board::begin() {
+  NRF52Board::begin();
+
+#ifdef NRF52_POWER_MANAGEMENT
+  checkBootVoltage(&power_config);
+#endif
+
+#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
+  Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
+#endif
+  Wire.begin();
+
+  pinMode(P_LORA_TX_LED, OUTPUT);
+  digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
+
+  pinMode(PIN_GPS_EN, OUTPUT);
+  digitalWrite(PIN_GPS_EN, !PIN_GPS_EN_ACTIVE);
+
+  pinMode(PIN_SENSOR_EN, OUTPUT);
+  digitalWrite(PIN_SENSOR_EN, PIN_SENSOR_EN_ACTIVE);
+
+  pinMode(PIN_BUZZER, OUTPUT);
+  digitalWrite(PIN_BUZZER, LOW);
+  pinMode(PIN_BUZZER_VOLTAGE_MULTIPLIER_1, OUTPUT);
+  pinMode(PIN_BUZZER_VOLTAGE_MULTIPLIER_2, OUTPUT);
+  digitalWrite(PIN_BUZZER_VOLTAGE_MULTIPLIER_1, HIGH);
+  digitalWrite(PIN_BUZZER_VOLTAGE_MULTIPLIER_2, HIGH);
+
+  periph_power.begin();
+  delay(1);
+}
+
+void T1Board::onBeforeTransmit() {
+  digitalWrite(P_LORA_TX_LED, LED_STATE_ON);
+}
+
+void T1Board::onAfterTransmit() {
+  digitalWrite(P_LORA_TX_LED, !LED_STATE_ON);
+}
+
+uint16_t T1Board::getBattMilliVolts() {
+  analogReadResolution(12);
+  analogReference(VBAT_AR_INTERNAL);
+  pinMode(PIN_VBAT_READ, INPUT);
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, ADC_CTRL_ENABLED);
+
+  delay(10);
+  int adcvalue = analogRead(PIN_VBAT_READ);
+  digitalWrite(PIN_BAT_CTL, !ADC_CTRL_ENABLED);
+
+  return (uint16_t)((float)adcvalue * MV_LSB * ADC_MULTIPLIER);
+}
+
+void T1Board::variant_shutdown() {
+  nrf_gpio_cfg_default(PIN_TFT_CS);
+  nrf_gpio_cfg_default(PIN_TFT_DC);
+  nrf_gpio_cfg_default(PIN_TFT_SDA);
+  nrf_gpio_cfg_default(PIN_TFT_SCL);
+  nrf_gpio_cfg_default(PIN_TFT_RST);
+  nrf_gpio_cfg_default(PIN_TFT_LEDA_CTL);
+  nrf_gpio_cfg_default(PIN_TFT_VDD_CTL);
+
+  nrf_gpio_cfg_default(PIN_WIRE_SDA);
+  nrf_gpio_cfg_default(PIN_WIRE_SCL);
+
+  nrf_gpio_cfg_default(LORA_CS);
+  nrf_gpio_cfg_default(SX126X_DIO1);
+  nrf_gpio_cfg_default(SX126X_BUSY);
+  nrf_gpio_cfg_default(SX126X_RESET);
+  nrf_gpio_cfg_default(PIN_SPI_MISO);
+  nrf_gpio_cfg_default(PIN_SPI_MOSI);
+  nrf_gpio_cfg_default(PIN_SPI_SCK);
+
+  nrf_gpio_cfg_default(PIN_SPI1_MOSI);
+  nrf_gpio_cfg_default(PIN_SPI1_SCK);
+
+  nrf_gpio_cfg_default(PIN_GPS_RESET);
+  nrf_gpio_cfg_default(PIN_GPS_EN);
+  nrf_gpio_cfg_default(PIN_GPS_PPS);
+  nrf_gpio_cfg_default(PIN_GPS_RX);
+  nrf_gpio_cfg_default(PIN_GPS_TX);
+
+  nrf_gpio_cfg_default(PIN_BUZZER_VOLTAGE_MULTIPLIER_1);
+  nrf_gpio_cfg_default(PIN_BUZZER_VOLTAGE_MULTIPLIER_2);
+
+  pinMode(PIN_BUZZER, OUTPUT);
+  digitalWrite(PIN_BUZZER, LOW);
+
+  pinMode(PIN_SENSOR_EN, OUTPUT);
+  digitalWrite(PIN_SENSOR_EN, !PIN_SENSOR_EN_ACTIVE);
+
+  pinMode(PIN_LED1, OUTPUT);
+  digitalWrite(PIN_LED1, !LED_STATE_ON);
+
+  pinMode(PIN_BAT_CTL, OUTPUT);
+  digitalWrite(PIN_BAT_CTL, !ADC_CTRL_ENABLED);
+}
+
+void T1Board::powerOff() {
+  variant_shutdown();
+  sd_power_system_off();
+}
+
+const char* T1Board::getManufacturerName() const {
+  return "Heltec T1";
+}

variants/heltec_t1/T1Board.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <Arduino.h>
+#include <MeshCore.h>
+#include <helpers/NRF52Board.h>
+#include <helpers/RefCountedDigitalPin.h>
+
+class T1Board : public NRF52BoardDCDC {
+protected:
+#ifdef NRF52_POWER_MANAGEMENT
+  void initiateShutdown(uint8_t reason) override;
+#endif
+  void variant_shutdown();
+
+public:
+  RefCountedDigitalPin periph_power;
+
+  T1Board() : periph_power(PIN_TFT_VDD_CTL, PIN_TFT_VDD_CTL_ACTIVE), NRF52Board("T1_OTA") {}
+
+  void begin();
+  void onBeforeTransmit() override;
+  void onAfterTransmit() override;
+  uint16_t getBattMilliVolts() override;
+  const char* getManufacturerName() const override;
+  void powerOff() override;
+};

variants/heltec_t1/platformio.ini

@@ -0,0 +1,108 @@
+[Heltec_t1]
+extends = nrf52_base
+board = heltec_t1
+board_build.ldscript = boards/nrf52840_s140_v6.ld
+build_flags = ${nrf52_base.build_flags}
+  ${sensor_base.build_flags}
+  -I lib/nrf52/s140_nrf52_6.1.1_API/include
+  -I lib/nrf52/s140_nrf52_6.1.1_API/include/nrf52
+  -I variants/heltec_t1
+  -I src/helpers/ui
+  -D HELTEC_T1
+  -D NRF52_POWER_MANAGEMENT
+  -D RADIO_CLASS=CustomSX1262
+  -D WRAPPER_CLASS=CustomSX1262Wrapper
+  -D LORA_TX_POWER=22
+  -D DISPLAY_CLASS=ST7735Display
+build_src_filter = ${nrf52_base.build_src_filter}
+  +<helpers/*.cpp>
+  +<helpers/sensors>
+  +<../variants/heltec_t1>
+  +<helpers/ui/ST7735Display.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+lib_deps =
+  ${nrf52_base.lib_deps}
+  ${sensor_base.lib_deps}
+  adafruit/Adafruit ST7735 and ST7789 Library @ ^1.11.0
+debug_tool = jlink
+upload_protocol = nrfutil
+
+[env:Heltec_t1_repeater]
+extends = Heltec_t1
+build_src_filter = ${Heltec_t1.build_src_filter}
+  +<../examples/simple_repeater>
+
+build_flags =
+  ${Heltec_t1.build_flags}
+  -D ADVERT_NAME='"Heltec_t1 Repeater"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+
+[env:Heltec_t1_room_server]
+extends = Heltec_t1
+build_src_filter = ${Heltec_t1.build_src_filter}
+  +<../examples/simple_room_server>
+build_flags =
+  ${Heltec_t1.build_flags}
+  -D ADVERT_NAME='"Heltec_t1 Room"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D ROOM_PASSWORD='"hello"'
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+
+[env:Heltec_t1_companion_radio_ble]
+extends = Heltec_t1
+board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
+board_upload.maximum_size = 712704
+build_flags =
+  ${Heltec_t1.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D BLE_PIN_CODE=123456
+  -D ENV_INCLUDE_GPS=1
+;  -D BLE_DEBUG_LOGGING=1
+  -D OFFLINE_QUEUE_SIZE=256
+  ; -D MESH_PACKET_LOGGING=1
+  ; -D MESH_DEBUG=1
+build_src_filter = ${Heltec_t1.build_src_filter}
+  +<helpers/nrf52/SerialBLEInterface.cpp>
+  +<helpers/ui/buzzer.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Heltec_t1.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+  end2endzone/NonBlockingRTTTL@^1.3.0
+
+[env:Heltec_t1_companion_radio_usb]
+extends = Heltec_t1
+board_build.ldscript = boards/nrf52840_s140_v6_extrafs.ld
+board_upload.maximum_size = 712704
+build_flags =
+  ${Heltec_t1.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Heltec_t1.build_src_filter}
+  +<helpers/nrf52/*.cpp>
+  +<helpers/ui/buzzer.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Heltec_t1.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+  end2endzone/NonBlockingRTTTL@^1.3.0
+
+[env:Heltec_t1_kiss_modem]
+extends = Heltec_t1
+build_src_filter = ${Heltec_t1.build_src_filter}
+  +<../examples/kiss_modem/>

variants/heltec_t1/target.cpp

@@ -0,0 +1,48 @@
+#include "target.h"
+
+#include <Arduino.h>
+#include <helpers/ArduinoHelpers.h>
+
+#ifdef ENV_INCLUDE_GPS
+#include <helpers/sensors/MicroNMEALocationProvider.h>
+#endif
+
+T1Board board;
+
+#if defined(P_LORA_SCLK)
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY, SPI);
+#else
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_1, P_LORA_RESET, P_LORA_BUSY);
+#endif
+
+WRAPPER_CLASS radio_driver(radio, board);
+
+VolatileRTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+
+#if ENV_INCLUDE_GPS
+MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock, GPS_RESET, GPS_EN, &board.periph_power);
+EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
+#else
+EnvironmentSensorManager sensors;
+#endif
+
+#ifdef DISPLAY_CLASS
+DISPLAY_CLASS display(&board.periph_power);
+MomentaryButton user_btn(PIN_USER_BTN, 1000, true);
+#endif
+
+bool radio_init() {
+  rtc_clock.begin(Wire);
+
+#if defined(P_LORA_SCLK)
+  return radio.std_init(&SPI);
+#else
+  return radio.std_init();
+#endif
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);
+}

variants/heltec_t1/target.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <T1Board.h>
+#include <helpers/AutoDiscoverRTCClock.h>
+#include <helpers/radiolib/CustomSX1262Wrapper.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <helpers/sensors/EnvironmentSensorManager.h>
+#include <helpers/sensors/LocationProvider.h>
+
+#ifdef DISPLAY_CLASS
+#include <helpers/ui/MomentaryButton.h>
+#include <helpers/ui/ST7735Display.h>
+#else
+#include "helpers/ui/NullDisplayDriver.h"
+#endif
+
+extern T1Board board;
+extern WRAPPER_CLASS radio_driver;
+extern AutoDiscoverRTCClock rtc_clock;
+extern EnvironmentSensorManager sensors;
+
+#ifdef DISPLAY_CLASS
+extern DISPLAY_CLASS display;
+extern MomentaryButton user_btn;
+#endif
+
+bool radio_init();
+mesh::LocalIdentity radio_new_identity();

variants/heltec_t1/variant.cpp

@@ -0,0 +1,15 @@
+#include "variant.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+const uint32_t g_ADigitalPinMap[] = {
+  0xff, 0xff, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
+  14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
+  27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+  40, 41, 42, 43, 44, 45, 46, 47
+};
+
+void initVariant()
+{
+  pinMode(PIN_USER_BTN, INPUT);
+}

variants/heltec_t1/variant.h

@@ -0,0 +1,169 @@
+/*
+ * Heltec Mesh Node T1 nRF52840 variant.
+ */
+
+#pragma once
+
+#include "WVariant.h"
+
+#define USE_LFXO
+#define VARIANT_MCK (64000000ul)
+
+////////////////////////////////////////////////////////////////////////////////
+// Number of pins
+
+#define PINS_COUNT              (48)
+#define NUM_DIGITAL_PINS        (48)
+#define NUM_ANALOG_INPUTS       (1)
+#define NUM_ANALOG_OUTPUTS      (0)
+
+////////////////////////////////////////////////////////////////////////////////
+// Display
+
+#define ST7735_CS               (0 + 12)
+#define ST7735_RS               (0 + 22)
+#define ST7735_SDA              (0 + 24)
+#define ST7735_SCK              (32 + 0)
+#define ST7735_RESET            (0 + 20)
+#define ST7735_MISO             (-1)
+#define ST7735_BUSY             (-1)
+#define ST7735_BL               (0 + 15)
+#define VTFT_CTRL               (0 + 13)
+
+#define PIN_TFT_CS              ST7735_CS
+#define PIN_TFT_DC              ST7735_RS
+#define PIN_TFT_SDA             ST7735_SDA
+#define PIN_TFT_SCL             ST7735_SCK
+#define PIN_TFT_RST             ST7735_RESET
+#define PIN_TFT_LEDA_CTL        ST7735_BL
+#define PIN_TFT_LEDA_CTL_ACTIVE LOW
+#define PIN_TFT_VDD_CTL         VTFT_CTRL
+#define PIN_TFT_VDD_CTL_ACTIVE  LOW
+#define DISPLAY_ROTATION        3
+
+////////////////////////////////////////////////////////////////////////////////
+// Builtin LEDs
+
+#define PIN_LED1                (0 + 16)
+#define LED_BUILTIN             PIN_LED1
+#define PIN_LED                 LED_BUILTIN
+#define LED_RED                 (-1)
+#define LED_BLUE                (-1)
+#define LED_GREEN               (-1)
+#define LED_PIN                 LED_BUILTIN
+#define LED_STATE_ON            LOW
+
+////////////////////////////////////////////////////////////////////////////////
+// Builtin buttons
+
+#define PIN_BUTTON1             (32 + 10)
+#define PIN_BUTTON2             (0 + 14)
+#define BUTTON_PIN              PIN_BUTTON1
+#define BUTTON_PIN2             PIN_BUTTON2
+#define PIN_USER_BTN            BUTTON_PIN
+
+////////////////////////////////////////////////////////////////////////////////
+// UART
+
+// No longer populated on PCB.
+#define PIN_SERIAL2_RX          (-1)
+#define PIN_SERIAL2_TX          (-1)
+
+////////////////////////////////////////////////////////////////////////////////
+// I2C
+
+#define WIRE_INTERFACES_COUNT   (1)
+
+#define PIN_WIRE_SDA            (32 + 3)
+#define PIN_WIRE_SCL            (0 + 10)
+
+#define PIN_SENSOR_EN           (32 + 6)
+#define PIN_SENSOR_EN_ACTIVE    LOW
+
+////////////////////////////////////////////////////////////////////////////////
+// LoRa
+
+#define USE_SX1262
+#define SX126X_CS               (32 + 11)
+#define LORA_CS                 SX126X_CS
+#define SX126X_DIO1             (0 + 31)
+#define SX126X_BUSY             (0 + 29)
+#define SX126X_RESET            (0 + 2)
+#define SX126X_DIO2_AS_RF_SWITCH true
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define SX126X_CURRENT_LIMIT    140
+#define SX126X_RX_BOOSTED_GAIN  1
+
+#define P_LORA_DIO_1            SX126X_DIO1
+#define P_LORA_NSS              LORA_CS
+#define P_LORA_RESET            SX126X_RESET
+#define P_LORA_BUSY             SX126X_BUSY
+#define P_LORA_TX_LED           PIN_LED1
+
+////////////////////////////////////////////////////////////////////////////////
+// SPI
+
+#define SPI_INTERFACES_COUNT    (2)
+
+#define PIN_SPI_MISO            (0 + 3)
+#define PIN_SPI_MOSI            (32 + 14)
+#define PIN_SPI_SCK             (32 + 13)
+#define PIN_SPI_NSS             LORA_CS
+
+#define PIN_SPI1_MISO           ST7735_MISO
+#define PIN_SPI1_MOSI           ST7735_SDA
+#define PIN_SPI1_SCK            ST7735_SCK
+
+#define P_LORA_SCLK             PIN_SPI_SCK
+#define P_LORA_MISO             PIN_SPI_MISO
+#define P_LORA_MOSI             PIN_SPI_MOSI
+
+////////////////////////////////////////////////////////////////////////////////
+// GPS
+
+#define GPS_UC6580
+#define GPS_BAUD_RATE           115200
+#define PIN_GPS_RESET           (0 + 26)
+#define GPS_RESET               PIN_GPS_RESET
+#define GPS_RESET_MODE          LOW
+#define PIN_GPS_RESET_ACTIVE    LOW
+#define PIN_GPS_EN              (0 + 4)
+#define GPS_EN                  PIN_GPS_EN
+#define GPS_EN_ACTIVE           LOW
+#define PIN_GPS_EN_ACTIVE       LOW
+#define PIN_GPS_PPS             (32 + 9)
+#define GPS_TX_PIN              (0 + 8)
+#define GPS_RX_PIN              (0 + 7)
+#define PIN_GPS_TX              GPS_TX_PIN
+#define PIN_GPS_RX              GPS_RX_PIN
+
+#define PIN_SERIAL1_RX          GPS_RX_PIN
+#define PIN_SERIAL1_TX          GPS_TX_PIN
+
+////////////////////////////////////////////////////////////////////////////////
+// Buzzer
+
+#define PIN_BUZZER              (0 + 9)
+#define PIN_BUZZER_VOLTAGE_MULTIPLIER_1 (32 + 2)
+#define PIN_BUZZER_VOLTAGE_MULTIPLIER_2 (32 + 5)
+
+////////////////////////////////////////////////////////////////////////////////
+// Battery
+
+#define ADC_CTRL                (0 + 11)
+#define PIN_BAT_CTL             ADC_CTRL
+#define ADC_CTRL_ENABLED        HIGH
+#define BATTERY_PIN             (0 + 5)
+#define PIN_VBAT_READ           BATTERY_PIN
+#define ADC_RESOLUTION          (14)
+
+#define AREF_VOLTAGE            (3.0)
+#define VBAT_AR_INTERNAL        AR_INTERNAL_3_0
+#define ADC_MULTIPLIER          (4.916F)
+#define MV_LSB                  (3000.0F / 4096.0F)
+
+#define PWRMGT_VOLTAGE_BOOTLOCK 3100
+#define PWRMGT_LPCOMP_AIN       3
+#define PWRMGT_LPCOMP_REFSEL    1
+
+#define HAS_RTC                 0