Add support for Baofeng DM-1701 and Retevis RT84 (clones of TYT MD-UV380).

radio.c

@@ -45,6 +45,7 @@ static struct {
     { "2017",       &radio_md2017 },    // TYT MD-2017, Retevis RT82
     { "MD9600",     &radio_md9600 },    // TYT MD-9600
     { "BF-5R",      &radio_rd5r },      // Baofeng RD-5R, TD-5R
+    { "DM-1701",    &radio_rt84 },      // Baofeng DM-1701, Retevis RT84
     { "MD-760P",    &radio_gd77 },      // Radioddity GD-77, version 3.1.1 and later
     { "D868UVE",    &radio_d868uv },    // Anytone AT-D868UV
     { "D6X2UV",     &radio_dmr6x2 },    // BTECH DMR-6x2

radio.h

@@ -126,6 +126,7 @@ extern radio_device_t radio_rd5r;       // Baofeng RD-5R
 extern radio_device_t radio_gd77;       // Radioddity GD-77, version 3.1.1 and later
 extern radio_device_t radio_d868uv;     // Anytone AT-D868UV
 extern radio_device_t radio_dmr6x2;     // BTECH DMR-6x2
+extern radio_device_t radio_rt84;       // Baofeng DM-1701, Retevis RT84
 
 //
 // Radio: memory contents.

uv380.c

@@ -2604,3 +2604,23 @@ radio_device_t radio_md9600 = {
     uv380_update_timestamp,
     uv380_write_csv,
 };
+
+//
+// Baofeng DM-1701, Retevis RT84
+//
+radio_device_t radio_rt84 = {
+    "Retevis RT84",
+    uv380_download,
+    uv380_upload,
+    uv380_is_compatible,
+    uv380_read_image,
+    uv380_save_image,
+    uv380_print_version,
+    uv380_print_config,
+    uv380_verify_config,
+    uv380_parse_parameter,
+    uv380_parse_header,
+    uv380_parse_row,
+    uv380_update_timestamp,
+    uv380_write_csv,
+};