added ability to keep default tx settings

assets/resources/subghz/assets/setting_user

@@ -1,51 +1,54 @@
-Filetype: Flipper SubGhz Setting File
-Version: 1
-
-# Add Standard frequencies for your region
-#add_standard_frequencies: true
-
-# Default Frequency: used as default for "Read" and "Read Raw"
-default_frequency: 433920000
-
-# Frequencies used for "Read", "Read Raw" and "Frequency Analyzer"
-frequency: 300000000
-frequency: 302757000
-frequency: 303875000
-frequency: 304250000
-frequency: 310000000
-frequency: 312000000
-frequency: 313850000
-frequency: 314000000
-frequency: 314350000
-frequency: 315000000
-frequency: 318000000
-frequency: 345000000
-frequency: 348000000
-frequency: 387000000
-frequency: 390000000
-frequency: 418000000
-frequency: 433075000
-frequency: 433220000
-frequency: 433420000
-frequency: 433889000
-frequency: 433920000
-frequency: 434420000
-frequency: 434775000
-frequency: 438900000
-frequency: 464000000
-frequency: 779000000
-frequency: 868350000
-frequency: 915000000
-frequency: 925000000
-frequency: 928000000
-
-# Frequencies used for hopping mode (keep this list small or flipper will miss signal)
-hopper_frequency: 300000000
-hopper_frequency: 310000000
-hopper_frequency: 312000000
-hopper_frequency: 314000000
-hopper_frequency: 315000000
-hopper_frequency: 318000000
-hopper_frequency: 390000000
-hopper_frequency: 433920000
-hopper_frequency: 868350000
+Filetype: Flipper SubGhz Setting File
+Version: 1
+
+# Add Standard frequencies for your region
+#add_standard_frequencies: true
+
+# Whether to ignore the default TX region settings
+ignore_default_tx_region: false
+
+# Default Frequency: used as default for "Read" and "Read Raw"
+default_frequency: 433920000
+
+# Frequencies used for "Read", "Read Raw" and "Frequency Analyzer"
+frequency: 300000000
+frequency: 302757000
+frequency: 303875000
+frequency: 304250000
+frequency: 310000000
+frequency: 312000000
+frequency: 313850000
+frequency: 314000000
+frequency: 314350000
+frequency: 315000000
+frequency: 318000000
+frequency: 345000000
+frequency: 348000000
+frequency: 387000000
+frequency: 390000000
+frequency: 418000000
+frequency: 433075000
+frequency: 433220000
+frequency: 433420000
+frequency: 433889000
+frequency: 433920000
+frequency: 434420000
+frequency: 434775000
+frequency: 438900000
+frequency: 464000000
+frequency: 779000000
+frequency: 868350000
+frequency: 915000000
+frequency: 925000000
+frequency: 928000000
+
+# Frequencies used for hopping mode (keep this list small or flipper will miss signal)
+hopper_frequency: 300000000
+hopper_frequency: 310000000
+hopper_frequency: 312000000
+hopper_frequency: 314000000
+hopper_frequency: 315000000
+hopper_frequency: 318000000
+hopper_frequency: 390000000
+hopper_frequency: 433920000
+hopper_frequency: 868350000

firmware/targets/f7/furi_hal/furi_hal_subghz.c

@@ -8,6 +8,8 @@
 #include <furi_hal_interrupt.h>
 #include <furi_hal_resources.h>
 
+#include <lib/flipper_format/flipper_format.h>
+
 #include <stm32wbxx_ll_dma.h>
 
 #include <furi.h>
@@ -277,7 +279,18 @@ uint32_t furi_hal_subghz_set_frequency_and_path(uint32_t value) {
 
 bool furi_hal_subghz_is_tx_allowed(uint32_t value) {
     //checking regional settings
-    bool is_allowed = true;
+    bool is_allowed = false;
+
+    Storage* storage = furi_record_open("storage");
+    FlipperFormat* fff_data_file = flipper_format_file_alloc(storage);
+
+    if(flipper_format_file_open_existing(fff_data_file, "/ext/subghz/assets/setting_user")) {
+        flipper_format_read_bool(fff_data_file, "ignore_default_tx_region", &is_allowed, 1);
+    }
+
+    flipper_format_free(fff_data_file);
+    furi_record_close("storage");
+
     switch(furi_hal_version_get_hw_region()) {
     case FuriHalVersionRegionEuRu:
         //433,05..434,79; 868,15..868,55
@@ -686,4 +699,4 @@ void furi_hal_subghz_stop_async_tx() {
         (double)duty_cycle);
 
     furi_hal_subghz.state = SubGhzStateIdle;
-}
+}