New DELETE_SLOT_TAG_NICK

CHANGELOG.md

@@ -6,6 +6,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
  - Add PyInstaller support for CLI client (@augustozanellato)
 
 ## [v2.0.0][2023-09-26]
+ - Added `hw slot nick delete` and DELETE_SLOT_TAG_NICK (@doegox)
  - Changed APP_FW_VER now deduced from git tag vx.y.z (@doegox)
  - Changed initial button wakeup from 4 to 8 seconds (@aramova)
  - Added MIFARE Ultralight reading features (@FlUxIuS & @doegox)

docs/protocol.md

@@ -146,6 +146,10 @@ Notes: the returned string is the output of `git describe --abbrev=7 --dirty --a
 * Command: no data
 * Response: no data. Status is `STATUS_DEVICE_SUCCESS` or `STATUS_FLASH_WRITE_FAIL`. The device will reboot shortly after this command.
 * CLI: cf `hw factory_reset`
+### 1021: DELETE_SLOT_TAG_NICK
+* Command: 2 bytes. `slot_number|sense_type` with `slot_number` between 0 and 7 and `sense_type` according to `tag_sense_type_t` enum.
+* Response: no data
+* CLI: cf `hw slot nick delete`
 ### 1023: GET_ENABLED_SLOTS
 * Command: no data
 * Response: 16 bytes, 8*2 bool = `0x00` or `0x01`, 2 bytes for each slot from 0 to 7, as `enabled_hf|enabled_lf`

firmware/application/src/app_cmd.c

@@ -792,6 +792,25 @@ static data_frame_tx_t *cmd_processor_get_slot_tag_nick(uint16_t cmd, uint16_t s
     return data_frame_make(cmd, STATUS_DEVICE_SUCCESS, buffer[0], &buffer[1]);
 }
 
+static data_frame_tx_t *cmd_processor_delete_slot_tag_nick(uint16_t cmd, uint16_t status, uint16_t length, uint8_t *data) {
+    if (length != 2) {
+        return data_frame_make(cmd, STATUS_PAR_ERR, 0, NULL);
+    }
+    uint8_t slot = data[0];
+    uint8_t sense_type = data[1];
+    fds_slot_record_map_t map_info;
+
+    if (slot >= TAG_MAX_SLOT_NUM || (sense_type != TAG_SENSE_HF && sense_type != TAG_SENSE_LF)) {
+        return data_frame_make(cmd, STATUS_PAR_ERR, 0, NULL);
+    }
+    get_fds_map_by_slot_sense_type_for_nick(slot, sense_type, &map_info);
+    bool ret = fds_delete_sync(map_info.id, map_info.key);
+    if (!ret) {
+        return data_frame_make(cmd, STATUS_FLASH_WRITE_FAIL, 0, NULL);
+    }
+    return data_frame_make(cmd, STATUS_DEVICE_SUCCESS, 0, NULL);
+}
+
 static data_frame_tx_t *cmd_processor_mf1_get_emulator_config(uint16_t cmd, uint16_t status, uint16_t length, uint8_t *data) {
     uint8_t mf1_info[5] = {};
     mf1_info[0] = nfc_tag_mf1_is_detection_enable();
@@ -965,6 +984,7 @@ static cmd_data_map_t m_data_cmd_map[] = {
     {    DATA_CMD_GET_ACTIVE_SLOT,              NULL,                        cmd_processor_get_active_slot,               NULL                   },
     {    DATA_CMD_GET_SLOT_INFO,                NULL,                        cmd_processor_get_slot_info,                 NULL                   },
     {    DATA_CMD_WIPE_FDS,                     NULL,                        cmd_processor_wipe_fds,                      NULL                   },
+    {    DATA_CMD_DELETE_SLOT_TAG_NICK,         NULL,                        cmd_processor_delete_slot_tag_nick,          NULL                   },
     {    DATA_CMD_GET_ENABLED_SLOTS,            NULL,                        cmd_processor_get_enabled_slots,             NULL                   },
     {    DATA_CMD_DELETE_SLOT_SENSE_TYPE,       NULL,                        cmd_processor_delete_slot_sense_type,        NULL                   },
     {    DATA_CMD_GET_BATTERY_INFO,             NULL,                        cmd_processor_get_battery_info,              NULL                   },

firmware/application/src/data_cmd.h

@@ -28,6 +28,7 @@
 #define DATA_CMD_GET_ACTIVE_SLOT                (1018)
 #define DATA_CMD_GET_SLOT_INFO                  (1019)
 #define DATA_CMD_WIPE_FDS                       (1020)
+#define DATA_CMD_DELETE_SLOT_TAG_NICK           (1021)
 
 #define DATA_CMD_GET_ENABLED_SLOTS              (1023)
 #define DATA_CMD_DELETE_SLOT_SENSE_TYPE         (1024)

software/script/chameleon_cli_unit.py

@@ -1392,6 +1392,22 @@ class HWSlotNickGet(SlotIndexRequireUnit, SenseTypeRequireUnit):
         print(f' - Get tag nick name for slot {slot_num}: {res.decode(encoding="utf8")}')
 
 
+@hw_slot_nick.command('delete', 'Delete tag nick name for slot')
+class HWSlotNickGet(SlotIndexRequireUnit, SenseTypeRequireUnit):
+    def args_parser(self) -> ArgumentParserNoExit or None:
+        parser = ArgumentParserNoExit()
+        self.add_slot_args(parser)
+        self.add_sense_type_args(parser)
+        return parser
+
+    # hw slot nick delete -s 1 -st 1
+    def on_exec(self, args: argparse.Namespace):
+        slot_num = args.slot
+        sense_type = args.sense_type
+        res = self.cmd.delete_slot_tag_nick(slot_num, sense_type)
+        print(f' - Delete tag nick name for slot {slot_num}: {res.decode(encoding="utf8")}')
+
+
 @hw_slot.command('update', 'Update config & data to device flash')
 class HWSlotUpdate(DeviceRequiredUnit):
     def args_parser(self) -> ArgumentParserNoExit or None:

software/script/chameleon_cmd.py

@@ -37,6 +37,8 @@ DATA_CMD_GET_SLOT_INFO = 1019
 
 DATA_CMD_WIPE_FDS = 1020
 
+DATA_CMD_DELETE_SLOT_TAG_NICK = 1021
+
 DATA_CMD_GET_ENABLED_SLOTS = 1023
 DATA_CMD_DELETE_SLOT_SENSE_TYPE = 1024
 
@@ -912,6 +914,18 @@ class ChameleonCMD:
         data = struct.pack('!BB', SlotNumber.to_fw(slot), sense_type)
         return self.device.send_cmd_sync(DATA_CMD_GET_SLOT_TAG_NICK, data)
 
+    @expect_response(chameleon_status.Device.STATUS_DEVICE_SUCCESS)
+    def delete_slot_tag_nick(self, slot: SlotNumber, sense_type: TagSenseType):
+        """
+        Delete the nick name of the slot
+        :param slot:  Card slot number
+        :param sense_type:  field type
+        :return:
+        """
+        # SlotNumber() will raise error for us if slot not in slot range
+        data = struct.pack('!BB', SlotNumber.to_fw(slot), sense_type)
+        return self.device.send_cmd_sync(DATA_CMD_DELETE_SLOT_TAG_NICK, data)
+
     @expect_response(chameleon_status.Device.STATUS_DEVICE_SUCCESS)
     def mf1_get_emulator_config(self):
         """