README.md

@@ -1,8 +1,5 @@
-# DMRconfig
-
 DMRconfig is a utility for programming digital radios via USB programming cable.
-
-## Supported radios:
+Supported radios:
 
  * TYT MD-380, Retevis RT3, RT8
  * TYT MD-390
@@ -53,24 +50,6 @@ Update database of contacts from CSV file:
 
 Option -t enables tracing of USB protocol.
 
-## Compilation
-Whenever possible use the `dmrconfig` package provided from by Linux distribution
-
-If you want to compile `dmrconfig`, follow these instructions:
-* Install dependencies
-    * On Ubuntu `sudo apt install git build-essential pkg-config libusb-1.0-0-dev libudev-dev`
-    * On Arch Linux `sudo pacman -S git base-devel libusb`
-    * On Mac OS `brew install pkg-config libusb`
-* Clone this repository
-``` 
-git clone https://github.com/sergev/dmrconfig
-```
-* Compile and install
-```
-make
-sudo make install
-```
-
 ## Permissions
 
 On Linux, a permission to access USB device is required.
@@ -93,12 +72,20 @@ To activate it, run:
 
 Then re-attach the USB cable to the radio.
 
-## License
+## Sources
 
-Sources are distributed freely under the terms of BSD 3 license. \
-For more information see the [LICENSE file](https://github.com/OpenRTX/dmrconfig/blob/master/LICENSE)
+Sources are distributed freely under the terms of Apache 2.0 license.
+You can download sources via GIT:
 
-## Credits
-DMRconfig was created by Serge Vakulenko KK6ABQ.
+    git clone https://github.com/sergev/dmrconfig
 
-It is currently maintained by the OpenRTX developers.
+
+To build on Linux or Mac OS X, run:
+
+    make
+    make install
+
+
+Regards,
+Serge Vakulenko
+KK6ABQ

main.c

@@ -37,8 +37,6 @@ const char *copyright;
 extern char *optarg;
 extern int optind;
 
-int trace_flag = 0;
-
 void usage()
 {
     fprintf(stderr, "DMR Config, Version %s, %s\n", version, copyright);

radio.h

@@ -139,9 +139,9 @@ extern unsigned char radio_mem[];
 //
 // File descriptor of serial port with programming cable attached.
 //
-extern int radio_port;
+int radio_port;
 
 //
 // Read/write progress counter.
 //
-extern int radio_progress;
+int radio_progress;

util.h

@@ -35,7 +35,7 @@ extern const char *copyright;
 //
 // Trace data i/o via the serial port.
 //
-extern int trace_flag;
+int trace_flag;
 
 //
 // Print data in hex format.