merge ofw pr 3885 - Add API to enforce ISO15693 mode [ci skip]

by aaronjamt

https://github.com/flipperdevices/flipperzero-firmware/pull/3885/files

lib/nfc/nfc.c

@@ -646,6 +646,33 @@ NfcError nfc_iso15693_listener_tx_sof(Nfc* instance) {
     return ret;
 }
 
+NfcError nfc_iso15693_detect_mode(Nfc* instance) {
+    furi_check(instance);
+
+    FuriHalNfcError error = furi_hal_nfc_iso15693_detect_mode();
+    NfcError ret = nfc_process_hal_error(error);
+
+    return ret;
+}
+
+NfcError nfc_iso15693_force_1outof4(Nfc* instance) {
+    furi_check(instance);
+
+    FuriHalNfcError error = furi_hal_nfc_iso15693_force_1outof4();
+    NfcError ret = nfc_process_hal_error(error);
+
+    return ret;
+}
+
+NfcError nfc_iso15693_force_1outof256(Nfc* instance) {
+    furi_check(instance);
+
+    FuriHalNfcError error = furi_hal_nfc_iso15693_force_1outof256();
+    NfcError ret = nfc_process_hal_error(error);
+
+    return ret;
+}
+
 NfcError nfc_felica_listener_set_sensf_res_data(
     Nfc* instance,
     const uint8_t* idm,

lib/nfc/nfc.h

@@ -380,6 +380,30 @@ NfcError nfc_felica_listener_set_sensf_res_data(
  */
 NfcError nfc_iso15693_listener_tx_sof(Nfc* instance);
 
+/** 
+ * @brief Set ISO15693 parser mode to autodetect
+ *
+* @param[in,out] instance pointer to the instance to be configured.
+ * @returns NfcErrorNone on success, any other error code on failure.
+*/
+NfcError nfc_iso15693_detect_mode(Nfc* instance);
+
+/** 
+ * @brief Set ISO15693 parser mode to 1OutOf4, disables autodetection
+ *
+ * @param[in,out] instance pointer to the instance to be configured.
+ * @return NfcErrorNone on success, any other error code on failure.
+*/
+NfcError nfc_iso15693_force_1outof4(Nfc* instance);
+
+/** 
+ * @brief Set ISO15693 parser mode to 1OutOf256, disables autodetection
+ *
+ * @param[in,out] instance pointer to the instance to be configured.
+ * @return NfcErrorNone on success, any other error code on failure.
+*/
+NfcError nfc_iso15693_force_1outof256(Nfc* instance);
+
 #ifdef __cplusplus
 }
 #endif

lib/signal_reader/parsers/iso15693/iso15693_parser.c

@@ -26,6 +26,7 @@ typedef enum {
 struct Iso15693Parser {
     Iso15693ParserState state;
     Iso15693ParserMode mode;
+    bool detect_mode;
 
     SignalReader* signal_reader;
 
@@ -62,6 +63,7 @@ typedef Iso15693ParserCommand (*Iso15693ParserStateHandler)(Iso15693Parser* inst
 
 Iso15693Parser* iso15693_parser_alloc(const GpioPin* pin, size_t max_frame_size) {
     Iso15693Parser* instance = malloc(sizeof(Iso15693Parser));
+    instance->detect_mode = true;
     instance->parsed_frame = bit_buffer_alloc(max_frame_size);
 
     instance->signal_reader = signal_reader_alloc(pin, ISO15693_PARSER_SIGNAL_READER_BUFF_SIZE);
@@ -86,7 +88,7 @@ void iso15693_parser_reset(Iso15693Parser* instance) {
     furi_assert(instance);
 
     instance->state = Iso15693ParserStateParseSoF;
-    instance->mode = Iso15693ParserMode1OutOf4;
+    if(instance->detect_mode) instance->mode = Iso15693ParserMode1OutOf4;
     memset(instance->bitstream_buff, 0x00, sizeof(instance->bitstream_buff));
     instance->bitstream_idx = 0;
 
@@ -122,10 +124,10 @@ static void signal_reader_callback(SignalReaderEvent event, void* context) {
 
     if(instance->state == Iso15693ParserStateParseSoF) {
         if(event.data->data[0] == sof_1_out_of_4) {
-            instance->mode = Iso15693ParserMode1OutOf4;
+            if(instance->detect_mode) instance->mode = Iso15693ParserMode1OutOf4;
             instance->state = Iso15693ParserStateParseFrame;
         } else if(event.data->data[0] == sof_1_out_of_256) {
-            instance->mode = Iso15693ParserMode1OutOf256;
+            if(instance->detect_mode) instance->mode = Iso15693ParserMode1OutOf256;
             instance->state = Iso15693ParserStateParseFrame;
         } else if(event.data->data[0] == eof_single) {
             instance->eof_received = true;
@@ -298,3 +300,23 @@ void iso15693_parser_get_data(
     bit_buffer_write_bytes(instance->parsed_frame, buff, buff_size);
     *data_bits = bit_buffer_get_size(instance->parsed_frame);
 }
+
+void iso15693_parser_detect_mode(Iso15693Parser* instance) {
+    furi_assert(instance);
+
+    instance->detect_mode = true;
+}
+
+void iso15693_parser_force_1outof4(Iso15693Parser* instance) {
+    furi_assert(instance);
+
+    instance->detect_mode = false;
+    instance->mode = Iso15693ParserMode1OutOf4;
+}
+
+void iso15693_parser_force_1outof256(Iso15693Parser* instance) {
+    furi_assert(instance);
+
+    instance->detect_mode = false;
+    instance->mode = Iso15693ParserMode1OutOf256;
+}

lib/signal_reader/parsers/iso15693/iso15693_parser.h

@@ -37,6 +37,10 @@ void iso15693_parser_get_data(
     size_t buff_size,
     size_t* data_bits);
 
+void iso15693_parser_detect_mode(Iso15693Parser* instance);
+void iso15693_parser_force_1outof4(Iso15693Parser* instance);
+void iso15693_parser_force_1outof256(Iso15693Parser* instance);
+
 #ifdef __cplusplus
 }
 #endif