Add XIAO ESP32S3 support (with Wio-SX1262 and Expansion Base support)

Boards.h

@@ -64,6 +64,10 @@
   #define MODEL_DB            0xDB // LilyGO T-Beam Supreme, 433 MHz
   #define MODEL_DC            0xDC // LilyGO T-Beam Supreme, 868 MHz
 
+  #define PRODUCT_XIAO_ESP32S3  0xEB // Xiao ESP32S3 - sold by Seeed Studio
+  #define BOARD_XIAO_ESP32S3    0x3E
+  #define MODEL_DD            0xDD // Xiao ESP32S3, 868 MHz
+
   #define PRODUCT_T32_10      0xB2 // T3 v1.0 - sold by LilyGO
   #define BOARD_LORA32_V1_0   0x39
   #define MODEL_BA            0xBA // LilyGO T3 v1.0, 433 MHz
@@ -90,7 +94,7 @@
   #define MODEL_CA            0xCA // Heltec Lora32 v3, 868 MHz
   
   #define PRODUCT_H_W_PAPER   0xC3
-  #define BOARD_H_W_PAPER     0x3E
+  #define BOARD_H_W_PAPER     0x3F
   #define MODEL_C8            0xC8
 
   #define PRODUCT_RAK4631     0x10 // RAK4631 - sold by RAKWireless
@@ -1023,6 +1027,79 @@
               -1  // pin_tcxo_enable
           }
       };
+ #elif BOARD_MODEL == BOARD_XIAO_ESP32S3
+      #define IS_ESP32S3 true
+
+      #define HAS_DISPLAY true
+      #define DISPLAY OLED
+      //#define HAS_CONSOLE true
+      #define HAS_BLUETOOTH false
+      #define HAS_BLE true
+      //#define HAS_PMU true
+      #define HAS_NP false
+      #define HAS_SD false
+      #define HAS_EEPROM true
+
+      #define HAS_INPUT true
+      #define HAS_SLEEP true
+      #define PIN_WAKEUP GPIO_NUM_21
+      #define WAKEUP_LEVEL 0
+
+      #define INTERFACE_COUNT 1
+
+//      #define PMU_IRQ 40
+//      #define I2C_SCL 41
+//      #define I2C_SDA 42
+
+      // Wio-SX1262 button pulls down GPIO21
+      // THis is shared with the Yellow LED
+      // on the ESP32S3 (also active Low)
+      const int pin_btn_usr1 = 21;
+
+      const uint8_t interfaces[INTERFACE_COUNT] = {SX1262};
+      const bool interface_cfg[INTERFACE_COUNT][3] = { 
+                    // SX1262
+          {
+              true, // DEFAULT_SPI
+              true, // HAS_TCXO
+              true  // DIO2_AS_RF_SWITCH
+          }, 
+      };
+      const int8_t interface_pins[INTERFACE_COUNT][10] = { 
+                  // SX1262
+          {
+              41, // pin_ss
+              7, // pin_sclk
+              9, // pin_mosi
+              8, // pin_miso
+              40, // pin_busy
+              39, // pin_dio
+              42, // pin_reset
+              -1, // pin_txen
+              -1, // pin_rxen
+              -1  // pin_tcxo_enable
+          }
+      };
+
+//      const int SD_MISO = 37;
+//      const int SD_MOSI = 35;
+//      const int SD_CLK = 36;
+//      const int SD_CS = 47;
+
+//      const int IMU_CS = 34;
+
+      // HAS LED/tx on Wio board - 48 Hi/ON
+      // LED 21 on ESP board - Lo/ON/Yellow
+      // shared with button input.
+      #if HAS_NP == false
+        #if defined(EXTERNAL_LEDS)
+          const int pin_led_rx = -1;
+          const int pin_led_tx = 48; //47;
+        #else
+          const int pin_led_rx = -1;
+          const int pin_led_tx = 48; //47;
+        #endif
+      #endif
     #else
       #error An unsupported ESP32 board was selected. Cannot compile RNode firmware.
     #endif

Makefile

@@ -128,6 +128,9 @@ firmware-heltec32_v3:
 firmware-heltec_w_paper:
 	arduino-cli compile --fqbn esp32:esp32:heltec_wifi_lora_32_V3 $(COMMON_BUILD_FLAGS) --build-property "compiler.cpp.extra_flags=\"-DBOARD_MODEL=0x3E\""
 
+firmware-xiao_esp32s3:
+	arduino-cli compile --fqbn esp32:esp32:XIAO_ESP32S3 $(COMMON_BUILD_FLAGS) --build-property "compiler.cpp.extra_flags=\"-DBOARD_MODEL=0x3E\""
+
 firmware-rnode_ng_20: check_bt_buffers
 	arduino-cli compile --fqbn esp32:esp32:ttgo-lora32 $(COMMON_BUILD_FLAGS) --build-property "compiler.cpp.extra_flags=\"-DBOARD_MODEL=0x40\""
 
@@ -246,6 +249,13 @@ upload-featheresp32:
 	@sleep 3
 	python ./Release/esptool/esptool.py --port $(or $(port), /dev/ttyUSB0) $(COMMON_UPLOAD_FLAGS) ./Release/console_image.bin
 
+upload-xiao_esp32s3:
+	arduino-cli upload -p $(or $(port), /dev/ttyACM0) --fqbn esp32:esp32:XIAO_ESP32S3
+	@sleep 1
+	rnodeconf $(or $(port), /dev/ttyACM0) --firmware-hash $$(./partition_hashes ./build/esp32.esp32.XIAO_ESP32S3/RNode_Firmware_CE.ino.bin)
+	@sleep 3
+	python ./Release/esptool/esptool.py --port $(or $(port), /dev/ttyACM0) --chip esp32-s3 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m --flash_size 4MB 0x210000 ./Release/console_image.bin
+
 upload-opencom-xl upload-rak4631:
 	arduino-cli upload -p $(or $(port), /dev/ttyACM0) --fqbn rakwireless:nrf52:WisCoreRAK4631Board
 	unzip -o build/rakwireless.nrf52.WisCoreRAK4631Board/RNode_Firmware_CE.ino.zip -d build/rakwireless.nrf52.WisCoreRAK4631Board

RNode_Firmware_CE.ino

@@ -1623,7 +1623,7 @@ void process_serial() {
 void sleep_now() {
   #if HAS_SLEEP == true
     #if PLATFORM == PLATFORM_ESP32
-      #if BOARD_MODEL == BOARD_T3S3
+      #if BOARD_MODEL == BOARD_T3S3 || BOARD_MODEL == BOARD_XIAO_ESP32C3
         display_intensity = 0;
         update_display(true);
       #endif

Radio.cpp

@@ -697,7 +697,7 @@ void sx126x::sleep()
 
 void sx126x::enableTCXO() {
   if (_tcxo) {
-    #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL || BOARD_MODEL == BOARD_HELTEC32_V3
+    #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL || BOARD_MODEL == BOARD_HELTEC32_V3 || BOARD_MODEL == BOARD_XIAO_ESP32S3
       uint8_t buf[4] = {MODE_TCXO_3_3V_6X, 0x00, 0x00, 0xFF};
     #elif BOARD_MODEL == BOARD_TBEAM
       uint8_t buf[4] = {MODE_TCXO_1_8V_6X, 0x00, 0x00, 0xFF};

Utilities.h

@@ -286,6 +286,13 @@ uint8_t boot_vector = 0x00;
 		void led_tx_off() { digitalWrite(pin_led_tx, LOW); }
 		void led_id_on()  { }
 		void led_id_off() { }
+    #elif BOARD_MODEL == BOARD_XIAO_ESP32S3
+        void led_rx_on() {}
+        void led_rx_off() {}
+        void led_tx_on() { digitalWrite(pin_led_tx, LED_ON); }
+        void led_tx_off() { digitalWrite(pin_led_tx, LED_OFF); }
+        void led_id_on() {}
+        void led_id_off() {}
 	#elif BOARD_MODEL == BOARD_GENERIC_ESP32
 		void led_rx_on()  { digitalWrite(pin_led_rx, HIGH); }
 		void led_rx_off() {	digitalWrite(pin_led_rx, LOW); }
@@ -1243,6 +1250,8 @@ void setTXPower(RadioInterface* radio, int txp) {
     if (model == MODEL_DB) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
     if (model == MODEL_DC) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
 
+    if (model == MODEL_DD) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
+
     if (model == MODEL_E4) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
     if (model == MODEL_E9) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
     if (model == MODEL_E3) radio->setTxPower(txp, PA_OUTPUT_PA_BOOST_PIN);
@@ -1472,7 +1481,7 @@ bool eeprom_product_valid() {
   #endif
 
 	#if PLATFORM == PLATFORM_ESP32
-	if (rval == PRODUCT_RNODE || rval == BOARD_RNODE_NG_20 || rval == BOARD_RNODE_NG_21 || rval == PRODUCT_HMBRW || rval == PRODUCT_TBEAM || rval == PRODUCT_T32_10 || rval == PRODUCT_T32_20 || rval == PRODUCT_T32_21 || rval == PRODUCT_H32_V2 || rval == PRODUCT_H32_V3 || rval == PRODUCT_TDECK_V1 || rval == PRODUCT_TBEAM_S_V1 || rval == PRODUCT_H_W_PAPER) {
+	if (rval == PRODUCT_RNODE || rval == BOARD_RNODE_NG_20 || rval == BOARD_RNODE_NG_21 || rval == PRODUCT_HMBRW || rval == PRODUCT_TBEAM || rval == PRODUCT_T32_10 || rval == PRODUCT_T32_20 || rval == PRODUCT_T32_21 || rval == PRODUCT_H32_V2 || rval == PRODUCT_H32_V3 || rval == PRODUCT_TDECK_V1 || rval == PRODUCT_TBEAM_S_V1 || rval == PRODUCT_H_W_PAPER || rval == PRODUCT_XIAO_ESP32S3) {
 	#elif PLATFORM == PLATFORM_NRF52
 	if (rval == PRODUCT_RAK4631 || rval == PRODUCT_HELTEC_T114 || rval == PRODUCT_OPENCOM_XL || rval == PRODUCT_TECHO || rval == PRODUCT_HMBRW) {
 	#else
@@ -1508,6 +1517,8 @@ bool eeprom_model_valid() {
 	if (model == MODEL_16 || model == MODEL_17) {
 	#elif BOARD_MODEL == BOARD_TBEAM_S_V1
 	if (model == MODEL_DB || model == MODEL_DC) {
+	#elif BOARD_MODEL == BOARD_XIAO_ESP32S3
+	if (model == MODEL_DD) {
 	#elif BOARD_MODEL == BOARD_LORA32_V1_0
 	if (model == MODEL_BA || model == MODEL_BB) {
 	#elif BOARD_MODEL == BOARD_LORA32_V2_0