Fix for Heltec Lora V3 3.2 board (#144)

* attempt at getting the spi issues fixed

* Fix for Heltec Lora V3 (v3.2) variant

* Better warning message

lib/comms/bus.cpp

@@ -20,12 +20,15 @@ bool initUARTs(Config &config)
     return true;
 }
 
+#ifndef HELTEC
 SPIClass &hspi = *(new SPIClass(HSPI)); // not usable until initSPIs
+#endif
 
 bool initSPIs(Config &config)
 {
     if (config.spi1.enabled)
     {
+#ifndef HELTEC
         delete (&hspi);
         hspi = *(new SPIClass(config.spi1.bus_num));
         if (config.spi1.clock_freq > 0)
@@ -35,10 +38,14 @@ bool initSPIs(Config &config)
 
         // if all the pins are -1, then will use the default for SPI bus_num
         hspi.begin(config.spi1.clk, config.spi1.miso, config.spi1.mosi);
+
         Serial.printf("Initialized SPI%d @ %x: SC:%d MISO:%d MOSI:%d clock:%d\n",
                       (int)config.spi1.bus_num, (void *)&hspi, (int)config.spi1.clk,
                       (int)config.spi1.miso, (int)config.spi1.mosi,
                       (int)config.spi1.clock_freq);
+#else
+        Serial.println("Custom SPI initializer not supported on Heltec");
+#endif
     }
 
     return true;

lib/comms/bus.h

@@ -17,7 +17,9 @@ enum I2CDevices
 extern uint8_t wireDevices;
 extern uint8_t wire1Devices;
 
+#ifndef HELTEC
 extern SPIClass &hspi;
+#endif
 
 // abstract away a reference to Serial vs Serial0 vs Serial1, so it compiles
 #ifndef ARDUINO_USB_CDC_ON_BOOT

platformio.ini

@@ -32,13 +32,35 @@ board_build.f_cpu = 240000000
 board_build.filesystem = littlefs
 lib_deps = 
 	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
-	ESP Async WebServer
+	ESP32Async/AsyncTCP
+	ESP32Async/ESPAsyncWebServer
 build_flags = 
 	-DHELTEC_POWER_BUTTON
 	-DHELTEC
 	-DARDUINO_USB_CDC_ON_BOOT=1
 	-DARDUINO_USB_MODE=1
 
+; Heltec WiFi LORA 32 V3 - V3.2
+; display is external now
+[env:heltec_wifi_lora_32_V3_2]
+platform = espressif32
+board = heltec_wifi_lora_32_V3
+framework = arduino
+upload_speed = 921600
+monitor_speed = 115200
+board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
+lib_deps = 
+	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
+	ESP32Async/AsyncTCP
+	ESP32Async/ESPAsyncWebServer
+build_flags = 
+	-DHELTEC_POWER_BUTTON
+	-DHELTEC
+	-DARDUINO_USB_CDC_ON_BOOT=1
+	-DARDUINO_USB_MODE=1
+	-DHELTEC_WIFI_LORA_32_V3_2
+
 [env:heltec_wifi_lora_32_V3_lora-TX-scanner]
 platform = espressif32
 board = heltec_wifi_lora_32_V3

src/main.cpp

@@ -1618,6 +1618,10 @@ void setup(void)
     pinMode(REB_PIN, OUTPUT);
     heltec_setup();
 
+#ifdef HELTEC_WIFI_LORA_32_V3_2
+    heltec_ve(true);
+#endif
+
     if (!initUARTs(config))
     {
         Serial.println("Failed to initialize UARTs");