correct app address in APP_ASKS_FOR_SINGLE_TAP_RESET()

Author: hathach

src/main.c

@@ -119,8 +119,7 @@ void usb_teardown(void);
 
 // Allow for using reset button essentially to swap between application and bootloader.
 // This is controlled by a flag in the app and is the behavior of CPX and all Arcade boards when using MakeCode.
-// TODO correct USER_FLASH_START = APP after SoftDevice
-#define APP_ASKS_FOR_SINGLE_TAP_RESET() (*((uint32_t*)(USER_FLASH_START + 0x200)) == 0x87eeb07c)
+#define APP_ASKS_FOR_SINGLE_TAP_RESET() (*((uint32_t*)(DFU_BANK_0_REGION_START + 0x200)) == 0x87eeb07c)
 
 // These value must be the same with one in dfu_transport_ble.c
 #define BLEGAP_EVENT_LENGTH             6