Add SoftRF udev rules and "ping" code hack (temporary).

image/10-stratux.rules

@@ -29,3 +29,11 @@ SUBSYSTEMS=="usb", ATTRS{idVendor}=="067b", ATTRS{idProduct}=="2303", SYMLINK+="
 #                 --set-bus-powered=no
 
 SUBSYSTEMS=="usb", ATTRS{interface}=="Stratux Serialout", SYMLINK+="serialout%n"
+
+
+# SoftRF.
+
+# SoftRF Standalone (NodeMCU or DoIt ESP32 devkit with CP2102 chip)
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", ATTRS{product}=="DIY SoftRF", SYMLINK+="softrf"
+# TTGO T-Beam (ESP32 with OTP CP2104 chip)
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", ATTRS{product}=="CP2104 USB to UART Bridge Controller", SYMLINK+="softrf"

main/ping.go

@@ -40,6 +40,9 @@ func initPingSerial() bool {
 
 	if _, err := os.Stat("/dev/ping"); err == nil {
 		device = "/dev/ping"
+	} else if _, err := os.Stat("/dev/softrf"); err == nil {
+		device = "/dev/softrf"
+		baudrate = int(38400)
 	} else {
 		log.Printf("No suitable Ping device found.\n")
 		return false