added base support for Rdaiomaster Bandit Nano

.vscode/extensions.json

@@ -2,8 +2,9 @@
     // See http://go.microsoft.com/fwlink/?LinkId=827846
     // for the documentation about the extensions.json format
     "recommendations": [
-        "ms-vscode.cpptools",
-        "platformio.platformio-ide",
-        "trunk.io"
+        "platformio.platformio-ide"
     ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
 }

src/mesh/RF95Interface.cpp

@@ -61,6 +61,13 @@ bool RF95Interface::init()
     digitalWrite(RF95_TCXO, 1);
 #endif
 
+// enable PA
+#ifdef RF95_PA_EN
+    #if defined(RF95_PA_DAC_EN)
+        dacWrite(RF95_PA_EN, RF95_PA_LEVEL);
+    #endif
+#endif
+
     /*
     #define RF95_TXEN (22) // If defined, this pin should be set high prior to transmit (controls an external analog switch)
     #define RF95_RXEN (23) // If defined, this pin should be set high prior to receive (controls an external analog switch)

src/mesh/RadioLibRF95.cpp

@@ -77,4 +77,21 @@ uint8_t RadioLibRF95::readReg(uint8_t addr)
 {
     Module *mod = this->getMod();
     return mod->SPIreadRegister(addr);
-}
+}
+
+int16_t RadioLibRF95::setOutputPower(int8_t power) {
+  return(RadioLibRF95::setOutputPower(power, false));
+}
+
+int16_t RadioLibRF95::setOutputPower(int8_t power, bool useRfo) {
+
+  // set mode to standby
+  int16_t state = SX127x::standby();
+  Module* mod = this->getMod();
+
+  state |= mod->SPIsetRegValue(RADIOLIB_SX127X_REG_PA_CONFIG, RADIOLIB_SX127X_PA_SELECT_BOOST, 7, 7);
+  state |= mod->SPIsetRegValue(RADIOLIB_SX127X_REG_PA_CONFIG, 140, 6, 0); // 1000mW
+  state |= mod->SPIsetRegValue(RADIOLIB_SX1278_REG_PA_DAC, RADIOLIB_SX127X_PA_BOOST_ON, 2, 0);
+
+  return(state);
+}

src/mesh/RadioLibRF95.h

@@ -64,8 +64,11 @@ class RadioLibRF95 : public SX1278
     /// For debugging
     uint8_t readReg(uint8_t addr);
 
+    int16_t setOutputPower(int8_t power);
+    int16_t setOutputPower(int8_t power, bool useRfo);
+
   protected:
     // since default current limit for SX126x/127x in updated RadioLib is 60mA
     // use the previous value
-    float currentLimit = 100;
+    float currentLimit = 150;
 };

src/mesh/generated/meshtastic/mesh.pb.h

@@ -141,6 +141,8 @@ typedef enum _meshtastic_HardwareModel {
     /* Heltec Wireless Tracker with ESP32-S3 CPU, built-in GPS, and TFT
  Older "V1.0" Variant */
     meshtastic_HardwareModel_HELTEC_WIRELESS_TRACKER_V1_0 = 58,
+	/* RadioMaster ExpressLRS "Bandit" TX Module 900MHz with ESP32-D0WDQ6 + SX1276 */
+    meshtastic_HardwareModel_RADIOMASTER_900_BANDIT_NANO = 59,
     /* ------------------------------------------------------------------------------------------------------------------------------------------
  Reserved ID For developing private Ports. These will show up in live traffic sparsely, so we can use a high number. Keep it within 8 bits.
  ------------------------------------------------------------------------------------------------------------------------------------------ */

src/platform/esp32/architecture.h

@@ -123,6 +123,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_NANO_G1_EXPLORER
 #elif defined(BETAFPV_900_TX_NANO)
 #define HW_VENDOR meshtastic_HardwareModel_BETAFPV_900_NANO_TX
+#elif defined(RADIOMASTER_900_BANDIT_NANO)
+#define HW_VENDOR meshtastic_HardwareModel_RADIOMASTER_900_BANDIT_NANO
 #elif defined(PICOMPUTER_S3)
 #define HW_VENDOR meshtastic_HardwareModel_PICOMPUTER_S3
 #elif defined(ESP32_S3_PICO)

variants/radiomaster_900_bandit_nano/platformio.ini

@@ -0,0 +1,18 @@
+[env:radiomaster_900_bandit_nano]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D RADIOMASTER_900_BANDIT_NANO
+  -D VTABLES_IN_FLASH=1
+  -D CONFIG_DISABLE_HAL_LOCKS=1
+  -O2
+  -I variants/radiomaster_900_bandit_nano
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+;upload_port = /dev/ttyUSB0
+upload_speed = 230400
+lib_deps =
+  ${esp32_base.lib_deps}
+  makuna/NeoPixelBus@^2.7.1

variants/radiomaster_900_bandit_nano/variant.h

@@ -0,0 +1,45 @@
+// https://radiomasterrc.com/products/bandit-nano-expresslrs-rf-module
+#include <NeoPixelBus.h>
+
+// 0.96" OLED
+#define I2C_SDA 14
+#define I2C_SCL 12
+
+// NO GPS - but free solder pads are available
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define LORA_DIO0 22
+#define LORA_DIO1 21
+#define LORA_SCK 18
+#define LORA_MISO 19
+#define LORA_MOSI 23
+#define LORA_CS 4 // NSS
+#define LORA_RESET 5
+#define LORA_TXEN 33
+#define RF95_FAN_EN 2
+
+#define LED_PIN 15  // RGB LED
+
+#define BUTTON_PIN 39 // Joystick
+#define BUTTON_NEED_PULLUP
+
+#undef EXT_NOTIFY_OUT
+
+// SX1276 900 Mhz LoRa module
+#define USE_RF95 // RFM95/SX127x
+#define RF95_CS LORA_CS
+#define RF95_DIO1 LORA_DIO1
+#define RF95_TXEN LORA_TXEN
+#define RF95_RESET LORA_RESET
+#define RF95_MAX_POWER 20
+
+// This module has PA
+#define RF95_PA_EN 26 //  power_apc2
+#define RF95_PA_DAC_EN
+// Mapping of PA_LEVEL to Power output:
+// 168 -> 100mW
+// 148 -> 250mW
+// 128 -> 500mW
+// 90  -> 1000mW
+#define RF95_PA_LEVEL 90