feat(station-g1): initial support for station g1

it boots, and is configurable over usb/radio

it's screaming about i2c issues in the console (likely no rtc, or gps pins
are wrong or something?)

more to come...

boards/station-g1.json

@@ -0,0 +1,39 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+	    "-D RADIOLIB_DEBUG=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "esp32"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "debug": {
+    "default_tool": "esp-builtin",
+    "onboard_tools": [
+      "esp-builtin"
+    ],
+    "openocd_target": "esp32.cfg"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "BQ Station G1",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://www.uniteng.com/wiki/doku.php?id=meshtastic:station",
+  "vendor": "BQ Consulting"
+}

variants/station_g1/StationG1Board.h

@@ -0,0 +1,89 @@
+#pragma once
+
+#include <Arduino.h>
+#include <helpers/ESP32Board.h>
+#include <driver/rtc_io.h>
+
+// From Meshtastic Station G1 variant.h
+#ifndef BATTERY_PIN
+  #define BATTERY_PIN 35
+#endif
+
+#ifndef BATTERY_SENSE_SAMPLES
+  #define BATTERY_SENSE_SAMPLES 30
+#endif
+
+#ifndef ADC_MULTIPLIER
+  #define ADC_MULTIPLIER 6.45f
+#endif
+
+class StationG1Board : public ESP32Board {
+public:
+  void begin() {
+    ESP32Board::begin();
+
+    Serial.begin(115200);
+    delay(1000);
+    Serial.println("booting station g1 meshcore");
+
+    // Battery ADC setup
+    analogReadResolution(12);
+    analogSetPinAttenuation((uint8_t)BATTERY_PIN, ADC_11db);
+
+    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 enterDeepSleep(uint32_t secs, int pin_wake_btn = -1) {
+    esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
+
+    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);
+
+    if (pin_wake_btn < 0) {
+      esp_sleep_enable_ext1_wakeup((1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH);
+    } else {
+      esp_sleep_enable_ext1_wakeup((1L << P_LORA_DIO_1) | (1L << pin_wake_btn), ESP_EXT1_WAKEUP_ANY_HIGH);
+    }
+
+    if (secs > 0) {
+      esp_sleep_enable_timer_wakeup(secs * 1000000);
+    }
+
+    esp_deep_sleep_start();
+  }
+
+  uint16_t getBattMilliVolts() override {
+    uint32_t acc_mv = 0;
+    for (int i = 0; i < BATTERY_SENSE_SAMPLES; i++) {
+      acc_mv += (uint32_t)analogReadMilliVolts((uint8_t)BATTERY_PIN);
+      delay(2);
+    }
+
+    const float pin_mv = (float)acc_mv / (float)BATTERY_SENSE_SAMPLES;
+    const float batt_mv = pin_mv * ADC_MULTIPLIER;
+
+    if (batt_mv < 0.0f) {
+      return 0;
+    }
+    if (batt_mv > 65535.0f) {
+      return 65535;
+    }
+    return (uint16_t)(batt_mv + 0.5f);
+  }
+
+  const char* getManufacturerName() const override {
+    return "Station G1";
+  }
+};
+

variants/station_g1/platformio.ini

@@ -0,0 +1,254 @@
+[Station_G1]
+extends = esp32_base
+board = station-g1
+
+build_flags =
+  ${esp32_base.build_flags}
+  ${sensor_base.build_flags}
+  -I variants/station_g1
+  -I src/helpers/ui
+  -D STATION_G1
+  -D RADIO_CLASS=CustomSX1262
+  -D WRAPPER_CLASS=CustomSX1262Wrapper
+
+  ; ---- LoRa (SX1262) ----
+  -D P_LORA_DIO_1=33
+  -D P_LORA_BUSY=32
+  -D P_LORA_RESET=23
+
+  ; TODO: confirm these 4 from Station G1 schematic/PCB
+  -D P_LORA_NSS=18
+  -D P_LORA_SCLK=5
+  -D P_LORA_MISO=19
+  -D P_LORA_MOSI=27
+
+  ; Station G1 uses DIO2 as RF switch internally (per your Meshtastic snippet)
+  -D SX126X_DIO2_AS_RF_SWITCH=true
+
+  ; This is the Meshtastic Station G1 "do not exceed PA saturation" constraint
+  -D MAX_LORA_TX_POWER=16
+
+  ; Optional defaults (tune for your deployment)
+  -D LORA_TX_POWER=8
+
+  ; ---- I2C ----
+  -D PIN_BOARD_SDA=21
+  -D PIN_BOARD_SCL=22
+
+  ; ---- Button ----
+  -D PIN_USER_BTN=36
+
+  ; ---- GPS header (optional) ----
+  -D PIN_GPS_RX=34
+  -D PIN_GPS_TX=12
+
+  ; ---- Display ----
+  -D DISPLAY_CLASS=SH1106Display
+
+build_src_filter = ${esp32_base.build_src_filter}
+  +<../variants/station_g1>
+  +<helpers/sensors>
+  +<helpers/ui/SH1106Display.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+lib_deps =
+  ${esp32_base.lib_deps}
+  ${sensor_base.lib_deps}
+  adafruit/Adafruit SH110X @ ~2.1.13
+  adafruit/Adafruit GFX Library @ ^1.12.1
+
+[env:Station_G1_repeater]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -D ADVERT_NAME='"Station G1 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
+build_src_filter = ${Station_G1.build_src_filter}
+  +<../examples/simple_repeater>
+lib_deps =
+  ${Station_G1.lib_deps}
+  ${esp32_ota.lib_deps}
+
+; [env:Station_G1_repeater_bridge_rs232]
+; extends = Station_G1
+; build_flags =
+;   ${Station_G1.build_flags}
+;   -D ADVERT_NAME='"RS232 Bridge"'
+;   -D ADVERT_LAT=0.0
+;   -D ADVERT_LON=0.0
+;   -D ADMIN_PASSWORD='"password"'
+;   -D MAX_NEIGHBOURS=50
+;   -D WITH_RS232_BRIDGE=Serial2
+;   -D WITH_RS232_BRIDGE_RX=5
+;   -D WITH_RS232_BRIDGE_TX=6
+;  -D BRIDGE_DEBUG=1
+; ;  -D MESH_PACKET_LOGGING=1
+; ;  -D MESH_DEBUG=1
+; build_src_filter = ${Station_G1.build_src_filter}
+;   +<helpers/bridges/RS232Bridge.cpp>
+;   +<../examples/simple_repeater>
+; lib_deps =
+;   ${Station_G1.lib_deps}
+;   ${esp32_ota.lib_deps}
+
+[env:Station_G1_repeater_bridge_espnow]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -D ADVERT_NAME='"ESPNow Bridge"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+  -D WITH_ESPNOW_BRIDGE=1
+;  -D BRIDGE_DEBUG=1
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<helpers/bridges/ESPNowBridge.cpp>
+  +<../examples/simple_repeater>
+lib_deps =
+  ${Station_G1.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:Station_G1_logging_repeater]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -D ADVERT_NAME='"Station G1 Logging 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 SX126X_RX_BOOSTED_GAIN=1
+;  https://wiki.uniteng.com/en/meshtastic/station-g2#impact-of-lora-node-dense-areashigh-noise-environments-on-rf-performance
+;  -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<../examples/simple_repeater>
+lib_deps =
+  ${Station_G1.lib_deps}
+  ${esp32_ota.lib_deps}
+
+; [env:Station_G1_logging_repeater_bridge_rs232]
+; extends = Station_G1
+; build_flags =
+;   ${Station_G1.build_flags}
+;   -D ADVERT_NAME='"RS232 Bridge"'
+;   -D ADVERT_LAT=0.0
+;   -D ADVERT_LON=0.0
+;   -D ADMIN_PASSWORD='"password"'
+;   -D MAX_NEIGHBOURS=50
+;   -D MESH_PACKET_LOGGING=1
+;   -D SX126X_RX_BOOSTED_GAIN=1
+;   -D WITH_RS232_BRIDGE=Serial2
+;   -D WITH_RS232_BRIDGE_RX=5
+;   -D WITH_RS232_BRIDGE_TX=6
+;  -D BRIDGE_DEBUG=1
+; ;  -D MESH_DEBUG=1
+; build_src_filter = ${Station_G1.build_src_filter}
+;   +<helpers/bridges/RS232Bridge.cpp>
+;   +<../examples/simple_repeater>
+; lib_deps =
+;   ${Station_G1.lib_deps}
+;   ${esp32_ota.lib_deps}
+
+[env:Station_G1_logging_repeater_bridge_espnow]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -D ADVERT_NAME='"ESPNow Bridge"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+  -D MESH_PACKET_LOGGING=1
+  -D SX126X_RX_BOOSTED_GAIN=1
+  -D WITH_ESPNOW_BRIDGE=1
+;  -D BRIDGE_DEBUG=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<helpers/bridges/ESPNowBridge.cpp>
+  +<../examples/simple_repeater>
+lib_deps =
+  ${Station_G1.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:Station_G1_room_server]
+extends = Station_G1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<../examples/simple_room_server>
+build_flags =
+  ${Station_G1.build_flags}
+  -D ADVERT_NAME='"Station G1 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
+lib_deps =
+  ${Station_G1.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:Station_G1_companion_radio_usb]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+; NOTE: DO NOT ENABLE -->  -D MESH_PACKET_LOGGING=1
+; NOTE: DO NOT ENABLE -->  -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Station_G1.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:Station_G1_companion_radio_ble]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D BLE_PIN_CODE=022288
+  -D BLE_DEBUG_LOGGING=1
+  -D OFFLINE_QUEUE_SIZE=256
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Station_G1.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
+[env:Station_G1_companion_radio_wifi]
+extends = Station_G1
+build_flags =
+  ${Station_G1.build_flags}
+  -I examples/companion_radio/ui-new
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D WIFI_DEBUG_LOGGING=1
+  -D WIFI_SSID='"myssid"'
+  -D WIFI_PWD='"mypwd"'
+  -D OFFLINE_QUEUE_SIZE=256  
+; -D MESH_PACKET_LOGGING=1
+; -D MESH_DEBUG=1
+build_src_filter = ${Station_G1.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-new/*.cpp>
+lib_deps =
+  ${Station_G1.lib_deps}
+  densaugeo/base64 @ ~1.4.0

variants/station_g1/target.cpp

@@ -0,0 +1,86 @@
+#include <Arduino.h>
+#include "target.h"
+
+StationG1Board board;
+
+#if defined(P_LORA_SCLK)
+  static SPIClass spi;
+  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);
+
+ESP32RTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+
+#if ENV_INCLUDE_GPS
+  #include <helpers/sensors/MicroNMEALocationProvider.h>
+  MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
+  EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
+#else
+  EnvironmentSensorManager sensors;
+#endif
+
+#ifdef DISPLAY_CLASS
+  DISPLAY_CLASS display;
+  MomentaryButton user_btn(PIN_USER_BTN, 1000, true);
+#endif
+
+
+bool radio_init() {
+  fallback_clock.begin();
+  rtc_clock.begin(Wire);
+
+/*
+  // Put SX1262 control pins into known states
+  pinMode(P_LORA_NSS, OUTPUT);
+  digitalWrite(P_LORA_NSS, HIGH);
+
+  pinMode(P_LORA_RESET, OUTPUT);
+  digitalWrite(P_LORA_RESET, HIGH);
+
+  pinMode(P_LORA_BUSY, INPUT);
+  pinMode(P_LORA_DIO_1, INPUT);
+*/
+
+#if defined(P_LORA_SCLK)
+  // Bind SS explicitly
+  //spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI, P_LORA_NSS);
+  spi.begin(P_LORA_SCLK, P_LORA_MISO, P_LORA_MOSI);
+  return radio.std_init(&spi);
+#else
+  return radio.std_init();
+#endif
+
+/*
+  // Hard reset pulse
+  digitalWrite(P_LORA_RESET, LOW);
+  delay(10);
+  digitalWrite(P_LORA_RESET, HIGH);
+  delay(20);
+*/
+
+}
+
+uint32_t radio_get_rng_seed() {
+  return radio.random(0x7FFFFFFF);
+}
+
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) {
+  radio.setFrequency(freq);
+  radio.setSpreadingFactor(sf);
+  radio.setBandwidth(bw);
+  radio.setCodingRate(cr);
+}
+
+void radio_set_tx_power(uint8_t dbm) {
+  radio.setOutputPower(dbm);
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);  // create new random identity
+}
+

variants/station_g1/target.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <StationG1Board.h>
+#include <helpers/radiolib/CustomSX1262Wrapper.h>
+#include <helpers/AutoDiscoverRTCClock.h>
+#include <helpers/sensors/EnvironmentSensorManager.h>
+
+#ifdef DISPLAY_CLASS
+  #include <helpers/ui/SH1106Display.h>
+  #include <helpers/ui/MomentaryButton.h>
+#endif
+
+extern StationG1Board 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();
+uint32_t radio_get_rng_seed();
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);
+void radio_set_tx_power(uint8_t dbm);
+mesh::LocalIdentity radio_new_identity();