src/dec/main.c -> src/dec.c, rename cli utility to 'ptp', add install command

Author: petabyt

CMakeLists.txt

@@ -74,12 +74,16 @@ if(PTP_INCLUDE_CLI)
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(LIBPCAP REQUIRED libpcap)
 
-    add_executable(pict
+    add_executable(ptp
         src/cli.c
         src/dec/main.c
     )
-    target_include_directories(pict PUBLIC ${PROJECT_SOURCE_DIR}/src ${LIBPCAP_INCLUDE_DIRS})
-    target_link_libraries(pict libpict ${LIBUSB_LIBRARIES} ${LIBPCAP_LIBRARIES})
+    target_include_directories(ptp PUBLIC ${PROJECT_SOURCE_DIR}/src ${LIBPCAP_INCLUDE_DIRS})
+    target_link_libraries(ptp libpict ${LIBUSB_LIBRARIES} ${LIBPCAP_LIBRARIES})
+
+    install(
+        TARGETS ptp
+    )
 endif()
 
 macro(add_example exe_name source)

src/cli.c

@@ -12,11 +12,17 @@ struct Options {
 
 static int usage(void) {
 	printf(
-		"pict\n"
-		"  --dec <input_file> <output_file> Decode any PTP/USB packet dump into a readable text file\n"
+		"  --dec <input_file> <output_file> <mode>\n"
+		"    Decode any PTP/USB packet dump into a readable text file\n"
+		"    Valid values for <mode>:\n"
+		"      usb     Decode pcap USB/ethernet packets\n"
+		"      wifi    Decode pcap TCP packets\n"
 		"  --help\n"
 		"  --run <operation> <args>\n"
-		"  --dont-open-session (A session is opened/closed by default)\n"
+		"    Invoke the binding API\n"
+		"  --dont-open-session\n"
+		"    (A session is opened/closed by default)\n"
+		"Examples:\n"
 		"  --run ptp_hello_world 1 2 3 \"Hello, World\"\n"
 	);
 	printf("Compile date: " __DATE__ "\n");