Merge branch 'fz-dev' into dev

firmware/targets/f7/api_symbols.csv

@@ -1116,6 +1116,7 @@ Function,+,furi_hal_nfc_field_off,void,
 Function,+,furi_hal_nfc_field_on,void,
 Function,-,furi_hal_nfc_init,void,
 Function,+,furi_hal_nfc_is_busy,_Bool,
+Function,+,furi_hal_nfc_is_init,_Bool,
 Function,+,furi_hal_nfc_listen,_Bool,"uint8_t*, uint8_t, uint8_t*, uint8_t, _Bool, uint32_t"
 Function,+,furi_hal_nfc_listen_rx,_Bool,"FuriHalNfcTxRxContext*, uint32_t"
 Function,+,furi_hal_nfc_listen_sleep,void,

firmware/targets/f7/furi_hal/furi_hal_nfc.c

@@ -39,6 +39,10 @@ bool furi_hal_nfc_is_busy() {
     return rfalNfcGetState() != RFAL_NFC_STATE_IDLE;
 }
 
+bool furi_hal_nfc_is_init() {
+    return rfalNfcGetState() != RFAL_NFC_STATE_NOTINIT;
+}
+
 void furi_hal_nfc_field_on() {
     furi_hal_nfc_exit_sleep();
     st25r3916TxRxOn();

firmware/targets/furi_hal_include/furi_hal_nfc.h

@@ -107,6 +107,12 @@ void furi_hal_nfc_init();
  */
 bool furi_hal_nfc_is_busy();
 
+/** Check if nfc is initialized
+ *
+ * @return     true if initialized
+ */
+ bool furi_hal_nfc_is_init();
+
 /** NFC field on
  */
 void furi_hal_nfc_field_on();