Send cmd to enter bootloader from application.

software/script/chameleon_cli_main.py

@@ -75,6 +75,7 @@ class ChameleonCLI:
                     'openall': new_uint(chameleon_cli_unit.HWSlotOpenAll, "Open all slot and set to default data"), 
                     'help': "Emulation tag slot.",
                 },
+                'dfu': new_uint(chameleon_cli_unit.HWDFU, "Restart application to bootloader mode(Not yet implement dfu)."),
                 'help': "hardware controller",
             },
             'hf': {

software/script/chameleon_cli_unit.py

@@ -932,3 +932,18 @@ class HWSlotOpenAll(DeviceRequiredUnit):
         # update config and save to flash
         self.cmd_positive.update_slot_data_config()
         print(f' - Open all slot and set data to default success.')
+
+
+class HWDFU(DeviceRequiredUnit):
+
+    def args_parser(self) -> ArgumentParserNoExit or None:
+        return None
+    
+    # hw dfu
+    def on_exec(self, args: argparse.Namespace):
+        print("Application restarting...")
+        self.cmd_standard.enter_dfu_mode()
+        # 理论上，上面的指令执行完成后，dfu模式会进入，然后USB会重启，
+        # 我们判断是否成功进入USB，只需要判断USB是否变成DFU设备的VID和PID即可，
+        # 同时我们记得确认设备的信息，一致时才是同一个设备。
+        print(" - Enter success @.@~")

software/script/chameleon_cmd.py

@@ -15,6 +15,8 @@ DATA_CMD_GET_SLOT_TAG_NICK = 1008
 
 DATA_CMD_SLOT_DATA_CONFIG_SAVE = 1009
 
+DATA_CMD_ENTER_BOOTLOADER = 1010
+
 DATA_CMD_SCAN_14A_TAG = 2000
 DATA_CMD_MF1_SUPPORT_DETECT = 2001
 DATA_CMD_MF1_NT_LEVEL_DETECT = 2002
@@ -391,6 +393,12 @@ class BaseChameleonCMD:
         """
         return self.device.send_cmd_sync(DATA_CMD_SLOT_DATA_CONFIG_SAVE, 0x00, None)
 
+    def enter_dfu_mode(self):
+        """
+            重启进入DFU模式(bootloader)
+        :return:
+        """
+        return self.device.send_cmd_auto(DATA_CMD_ENTER_BOOTLOADER, 0x00, None)
 
 
 class NegativeResponseError(Exception):