Port to lora_isp4520 board

platformio.ini

@@ -33,7 +33,7 @@ extra_scripts = bin/platformio-custom.py
 
 ; note: we add src to our include search path so that lmic_project_config can override
 ; FIXME: fix lib/BluetoothOTA dependency back on src/ so we can remove -Isrc
-build_flags = -Wno-missing-field-initializers -Isrc -Isrc/mesh -Isrc/gps -Ilib/nanopb/include -Wl,-Map,.pio/build/output.map 
+build_flags = -Wno-missing-field-initializers -Isrc -Isrc/mesh -Isrc/gps -Isrc/buzz -Ilib/nanopb/include -Wl,-Map,.pio/build/output.map 
   -DHW_VERSION_${sysenv.COUNTRY}
   -DHW_VERSION=${sysenv.HW_VERSION}
   -DUSE_THREAD_NAMES
@@ -65,7 +65,6 @@ debug_tool = jlink
 ;  monitor adapter_khz 10000
 
 lib_deps =
-  https://github.com/meshtastic/esp8266-oled-ssd1306.git ; ESP8266_SSD1306 
   https://github.com/geeksville/OneButton.git ; OneButton library for non-blocking button debounce
   1202 ; CRC32, explicitly needed because dependency is missing in the ble ota update lib
   https://github.com/meshtastic/arduino-fsm.git#2f106146071fc7bc620e1e8d4b88dc4e0266ce39
@@ -104,6 +103,7 @@ build_flags =
 lib_deps =
   ${arduino_base.lib_deps}
   https://github.com/meshtastic/esp32_https_server.git
+  https://github.com/meshtastic/esp8266-oled-ssd1306.git ; ESP8266_SSD1306 
 # Hmm - this doesn't work yet
 # board_build.ldscript = linker/esp32.extram.bss.ld
 lib_ignore = segger_rtt
@@ -204,6 +204,24 @@ debug_init_break =
 ;debug_init_break = tbreak loop
 ;debug_init_break = tbreak Reset_Handler
 
+[env:lora_isp4520]
+extends = nrf52_base
+board = lora_isp4520
+
+# add our variants files to the include and src paths
+build_flags = ${nrf52_base.build_flags} -Ivariants/lora_isp4520
+
+# No screen and GPS on the board. We still need RTC.cpp for the RTC clock.
+src_filter = ${nrf52_base.src_filter} +<../variants/lora_isp4520> -<graphics> -<gps> +<gps/GPS.cpp> +<gps/RTC.cpp>
+lib_ignore = ${nrf52_base.lib_ignore} 
+  ESP8266_SSD1306
+  SparkFun Ublox Arduino Library
+  AXP202X_Library
+  TinyGPSPlus
+
+upload_protocol = jlink
+monitor_port = /dev/ttyUSB0
+
 ; The NRF52840-dk development board
 ; Note: By default no lora device is created for this build - it uses a simulated interface
 [env:nrf52840dk]