initial ch390 ethernet support for thinknode m7 companion

variants/thinknode_m7/platformio.ini

@@ -34,6 +34,22 @@ build_src_filter = ${esp32_base.build_src_filter}
 lib_deps = ${esp32_base.lib_deps}
   stevemarple/MicroNMEA @ ^2.0.6
 
+[ThinkNode_M7_ethernet]
+build_flags =
+  -D ETHERNET_ENABLED
+  -D ETHERNET_USE_CH390
+  -D ETHERNET_CLASS=CH390EthernetInterface
+  -D ETH_MISO_PIN=14
+  -D ETH_MOSI_PIN=48
+  -D ETH_SCLK_PIN=47
+  -D ETH_CS_PIN=21
+  -D ETH_INT_PIN=45
+  -D ETHERNET_DEBUG_LOGGING=1
+build_src_filter =
+  +<helpers/ethernet/ch390/>
+lib_deps =
+  https://github.com/liamcottle/ESP32-CH390.git#47b401f1de546118b03c18b5689dedec45871f2d
+
 [env:ThinkNode_M7_repeater]
 extends = ThinkNode_M7
 build_src_filter = ${ThinkNode_M7.build_src_filter}
@@ -130,6 +146,26 @@ lib_deps =
   ${ThinkNode_M7.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+[env:ThinkNode_M7_companion_radio_ethernet]
+extends = ThinkNode_M7
+build_flags =
+  ${ThinkNode_M7.build_flags}
+  ${ThinkNode_M7_ethernet.build_flags}
+  -I examples/companion_radio/ui-orig
+  -D MAX_CONTACTS=350
+  -D MAX_GROUP_CHANNELS=40
+  -D DISPLAY_CLASS=NullDisplayDriver
+  -D OFFLINE_QUEUE_SIZE=256
+build_src_filter = ${ThinkNode_M7.build_src_filter}
+  ${ThinkNode_M7_ethernet.build_src_filter}
+  +<helpers/esp32/*.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
+  +<../examples/companion_radio/*.cpp>
+  +<../examples/companion_radio/ui-orig/*.cpp>
+lib_deps = ${ThinkNode_M7.lib_deps}
+  ${ThinkNode_M7_ethernet.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+
 [env:ThinkNode_M7_kiss_modem]
 extends = ThinkNode_M7
 build_src_filter = ${ThinkNode_M7.build_src_filter}