diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/.mxproject b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/.mxproject
index 8ab2747..c04e94f 100644
--- a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/.mxproject
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/.mxproject
@@ -1,12 +1,17 @@
 [PreviousGenFiles]
-HeaderPath=C:/Users/shiny/Documents/GitHub/dynamic-nfc/stm32/Dynamic_NFC/Inc
+HeaderPath=C:/Users/shiny/Documents/GitHub/stm32-mcu/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Inc
 HeaderFiles=gpio.h;app_x-cube-nfc4.h;nfc04a1_conf.h;common.h;usart.h;stm32f4xx_nucleo_bus.h;stm32f4xx_nucleo_errno.h;stm32f4xx_nucleo_conf.h;stm32f4xx_it.h;RTE_Components.h;stm32f4xx_hal_conf.h;main.h;
-SourcePath=C:/Users/shiny/Documents/GitHub/dynamic-nfc/stm32/Dynamic_NFC/Src
+SourcePath=C:/Users/shiny/Documents/GitHub/stm32-mcu/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src
 SourceFiles=gpio.c;app_x-cube-nfc4.c;lib_NDEF_config.c;usart.c;stm32f4xx_nucleo_bus.c;stm32f4xx_it.c;stm32f4xx_hal_msp.c;main.c;
 
 [PreviousLibFiles]
 LibFiles=Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f401xe.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/system_stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/cmsis_version.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/tz_context.h;
 
+[PreviousUsedTStudioFiles]
+SourceFiles=..\Src\main.c;..\Src\gpio.c;..\Src\app_x-cube-nfc4.c;..\Src\lib_NDEF_config.c;..\Src\usart.c;..\Src\stm32f4xx_nucleo_bus.c;..\Src\stm32f4xx_it.c;..\Src\stm32f4xx_hal_msp.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../\Src/system_stm32f4xx.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../\Src/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;null;
+HeaderPath=..\Drivers\STM32F4xx_HAL_Driver\Inc;..\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F4xx\Include;..\Drivers\CMSIS\Include;..\Drivers\BSP\Components\ST25DV\;..\Drivers\BSP\NFC04A1\;..\Middlewares\ST\lib_nfc\lib_NDEF\Core\inc;..\Middlewares\ST\lib_nfc\common\inc;..\Inc;
+CDefines=__weak:__attribute__((weak));__packed:__attribute__((__packed__));USE_HAL_DRIVER;STM32F401xE;
+
 [ThirdPartyIp]
 ThirdPartyIpNumber=1
 ThirdPartyIpName#0=STMicroelectronics.X-CUBE-NFC4.1.4.0
@@ -15,8 +20,8 @@ ThirdPartyIpName#0=STMicroelectronics.X-CUBE-NFC4.1.4.0
 include=../Drivers/BSP/Components/ST25DV;../Drivers/BSP/NFC04A1;../Middlewares/ST/lib_nfc/lib_NDEF/Core/inc;../Middlewares/ST/lib_nfc/common/inc;
 source=../Drivers/BSP/Components/ST25DV/st25dv_reg.c;../Drivers/BSP/Components/ST25DV/st25dv.c;../Drivers/BSP/NFC04A1/nfc04a1.c;../Drivers/BSP/NFC04A1/nfc04a1_nfctag.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_AAR.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Bluetooth.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Email.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Geo.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Handover.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_MyApp.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_SMS.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Text.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_URI.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Vcard.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_NDEF_Wifi.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/lib_wrapper.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/tagtype3_wrapper.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/tagtype4_wrapper.c;../Middlewares/ST/lib_nfc/lib_NDEF/Core/src/tagtype5_wrapper.c;
 
-[PreviousUsedTStudioFiles]
-SourceFiles=..\Src\main.c;..\Src\gpio.c;..\Src\app_x-cube-nfc4.c;..\Src\lib_NDEF_config.c;..\Src\usart.c;..\Src\stm32f4xx_nucleo_bus.c;..\Src\stm32f4xx_it.c;..\Src\stm32f4xx_hal_msp.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../\Src/system_stm32f4xx.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../\Src/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;null;
-HeaderPath=..\Drivers\STM32F4xx_HAL_Driver\Inc;..\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F4xx\Include;..\Drivers\CMSIS\Include;..\Drivers\BSP\Components\ST25DV\;..\Drivers\BSP\NFC04A1\;..\Middlewares\ST\lib_nfc\lib_NDEF\Core\inc;..\Middlewares\ST\lib_nfc\common\inc;..\Inc;
-CDefines=__weak:__attribute__((weak));__packed:__attribute__((__packed__));USE_HAL_DRIVER;STM32F401xE;
+[PreviousUsedCubeIDEFiles]
+SourceFiles=Src\main.c;Src\gpio.c;Src\app_x-cube-nfc4.c;Src\lib_NDEF_config.c;Src\usart.c;Src\stm32f4xx_nucleo_bus.c;Src\stm32f4xx_it.c;Src\stm32f4xx_hal_msp.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;Src/system_stm32f4xx.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;Src/system_stm32f4xx.c;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;null;
+HeaderPath=Drivers\STM32F4xx_HAL_Driver\Inc;Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;Drivers\CMSIS\Device\ST\STM32F4xx\Include;Drivers\CMSIS\Include;\Drivers\BSP\Components\ST25DV\;\Drivers\BSP\NFC04A1\;\Middlewares\ST\lib_nfc\lib_NDEF\Core\inc;\Middlewares\ST\lib_nfc\common\inc;Inc;
+CDefines=USE_HAL_DRIVER;STM32F401xE;
 
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Dynamic_NFC.ioc b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Dynamic_NFC.ioc
index 0b39ef4..1ff8462 100644
--- a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Dynamic_NFC.ioc
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Dynamic_NFC.ioc
@@ -179,10 +179,10 @@ ProjectManager.ProjectBuild=false
 ProjectManager.ProjectFileName=Dynamic_NFC.ioc
 ProjectManager.ProjectName=Dynamic_NFC
 ProjectManager.StackSize=0x400
-ProjectManager.TargetToolchain=TrueSTUDIO
+ProjectManager.TargetToolchain=STM32CubeIDE
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=true
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-MX_USART2_UART_Init-USART2-false-HAL-true,3-SystemClock_Config-RCC-false-HAL-false,4-MX_USART6_UART_Init-USART6-false-HAL-true,5-MX_NFC_Init-STMicroelectronics.X-CUBE-NFC4.1.4.0-false-HAL-true,6-MX_NFC_Process-STMicroelectronics.X-CUBE-NFC4.1.4.0-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-MX_USART2_UART_Init-USART2-false-HAL-true,3-SystemClock_Config-RCC-false-HAL-false,4-MX_USART6_UART_Init-USART6-false-HAL-true
 RCC.48MHZClocksFreq_Value=48000000
 RCC.AHBFreq_Value=84000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -394,3 +394,4 @@ VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=NUCLEO-F401RE
 boardIOC=true
+isbadioc=false
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Inc/rn4020.h b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Inc/rn4020.h
new file mode 100644
index 0000000..6f91ef4
--- /dev/null
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Inc/rn4020.h
@@ -0,0 +1,18 @@
+/*
+ * rn4020.h
+ *
+ *  Created on: 2019/04/25
+ */
+
+#ifndef RN4020_H_
+#define RN4020_H_
+
+#include <stdint.h>
+#include "usart.h"
+
+// TX characteristics (NOTIFY)
+#define NOTIFY_CHARA "SUW,010203040506070809000A0B0C0D0E0F,"
+
+void notify(uint8_t *data, int len);
+
+#endif /* RN4020_H_ */
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/app_x-cube-nfc4.c b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/app_x-cube-nfc4.c
index 44baf92..16bf35b 100644
--- a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/app_x-cube-nfc4.c
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/app_x-cube-nfc4.c
@@ -132,8 +132,8 @@ void MX_NFC4_NDEF_URI_Init(void)
   HAL_Delay( 300 );
   
   /* Prepare URI NDEF message content */
-  strcpy( URI.protocol,URI_ID_0x04_STRING );
-  strcpy( URI.URI_Message,"github.com/araobp" );
+  strcpy( URI.protocol,URI_ID_0x01_STRING );
+  strcpy( URI.URI_Message,"st.com/st25-demo" );
   strcpy( URI.Information,"\0" );
   
   /* Write NDEF to EEPROM */
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/main.c b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/main.c
index be5c160..f8e03a8 100644
--- a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/main.c
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/main.c
@@ -31,6 +31,7 @@
 #include "nfc04a1.h"
 #include "nfc04a1_nfctag.h"
 #include "app_nfc_uri.h"
+#include "rn4020.h"
 
 /* USER CODE END Includes */
 
@@ -74,7 +75,7 @@ typedef enum {
 volatile bool field_changed = false;
 
 // Command reception from uart2
-volatile bool command_received = false;
+volatile bool command_received2 = false;
 uint8_t uart_rx_buf[BUFSIZE];
 uint8_t uart_rx_data;
 
@@ -130,6 +131,9 @@ int main(void)
 
   char base_url[BUFSIZE];
 
+  // Notify BLE central of RF field change
+  uint8_t RF_FIELD_CHANGED[] = "RF_FIELD_CHANGED";
+
   /* USER CODE END 1 */
   
 
@@ -152,6 +156,7 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART2_UART_Init();
+  MX_USART6_UART_Init();
   MX_NFC_Init();
   /* USER CODE BEGIN 2 */
   NFC04A1_LED_Off( YELLOW_LED );
@@ -187,6 +192,7 @@ int main(void)
       if (phase == STANDBY) {
         NFC04A1_LED_On( GREEN_LED );
         printf("PHASE 1: RF field change detected\n");
+        notify(RF_FIELD_CHANGED, sizeof(RF_FIELD_CHANGED));  // Notify the event to BLE entral
         pData = extraProcess();
         generate_URI_with_serial_number('4', (char *)base_url, (char *)pData, increment);
         tick_prev = HAL_GetTick();
@@ -235,7 +241,7 @@ int main(void)
 #endif
 
     // Command parser
-    if (command_received) {
+    if (command_received2) {
       if (strcmp((char *)uart_rx_buf, ".r") == 0) {  // Reset NFC tag
         printf("RESET...\n\n");
         init_NFC_tag(true);
@@ -254,7 +260,7 @@ int main(void)
         write_data_area2(uart_rx_buf, strlen((char *)uart_rx_buf)+1);
         strcpy(base_url, (char *)uart_rx_buf);
       }
-      command_received = false;
+      command_received2 = false;
     }
     /* USER CODE END WHILE */
 
@@ -322,11 +328,11 @@ void HAL_UART_RxCpltCallback(UART_HandleTypeDef *UartHandle) {
 
   static int idx = 0;
 
-  if (!command_received) {
+  if (!command_received2) {
     if (uart_rx_data == '\n') {
       uart_rx_buf[idx] = '\0';
       idx = 0;
-      command_received = true;
+      command_received2 = true;
     } else {
       uart_rx_buf[idx++] = uart_rx_data;
     }
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/rn4020.c b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/rn4020.c
new file mode 100644
index 0000000..8d1a81b
--- /dev/null
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/Src/rn4020.c
@@ -0,0 +1,70 @@
+/*
+ * rn4020.c
+ *
+ *  Created on: 2019/04/25
+ */
+
+#include "rn4020.h"
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "app_nfc_uri.h"
+
+#define BUFSIZE 64U
+
+uint8_t uart_rx_data;
+uint8_t data_buf[BUFSIZE/2];
+volatile bool command_received = false;
+volatile int data_len;
+uint8_t cnt = 0;
+
+char send_buf[100];
+
+typedef enum {
+  CNT_CHARA, URI_CHARA
+} tx_chara;
+
+
+/**
+ * Transfer byte array to a BLE central via RN4020 module.
+ *
+ * Note: binary data (uint8_t) is converted into hex in ASCII,
+ * because RN4020 accepts binary data in ASCII mode.
+ *
+ */
+void notify(uint8_t *data, int len) {
+
+  int i = 0;
+  int idx = 0;
+  char ascii_hex_buf[3];
+
+  // TX characteristics
+  strcpy(send_buf, NOTIFY_CHARA);
+
+  while (true) {
+    sprintf(ascii_hex_buf, "%02x", data[idx]);
+    send_buf[37+i*2] = ascii_hex_buf[0];
+    send_buf[37+i*2+1] = ascii_hex_buf[1];
+    i++;
+    idx++;
+    if (i == 20) {  // The length of 20 bytes
+      send_buf[37 + i*2] = '\n';
+      HAL_UART_Transmit(&huart6, (uint8_t *)send_buf, 37+i*2+1, 0xffff);
+      // For debug
+      send_buf[37 + i*2] = '\0';
+      printf("sendData(@20): %s\n", send_buf);
+      // NOTIFY interval
+      HAL_Delay(500);
+      i = 0;
+    } else if (idx >= len) {  // The length of data
+      send_buf[37 + i*2] = '\n';
+      HAL_UART_Transmit(&huart6, (uint8_t *)send_buf, 37+i*2+1, 0xffff);
+      // For debug
+      send_buf[37 + i*2] = '\0';
+      printf("sendData(@len): %s\n", send_buf);
+      break;
+    }
+  }
+}
diff --git a/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/mx.scratch b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/mx.scratch
new file mode 100644
index 0000000..df1d3ab
--- /dev/null
+++ b/NUCLEO-F401RE/NFC/stm32/Dynamic_NFC/mx.scratch
@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Project>
+    <FileVersion>2.0</FileVersion> 
+
+    <ProjectPath>C:\Users\shiny\Documents\GitHub\stm32-mcu\NUCLEO-F401RE\NFC\stm32\Dynamic_NFC\</ProjectPath> 
+
+    <ProjectName>Dynamic_NFC</ProjectName> 
+
+    <ProjectNature>C</ProjectNature> 
+
+    <HAL_Driver>C:\Users\shiny\STM32Cube\Repository\STM32Cube_FW_F4_V1.24.0</HAL_Driver>
+    <CMSIS>Drivers\CMSIS</CMSIS> 
+    <Toolchain>STM32CubeIDE</Toolchain>
+    <Version>0</Version>
+
+    <configs>
+<config>
+    <name>Dynamic_NFC</name>	 
+    <device>STM32F401RETx</device>		 
+    <cpucore>Arm Cortex-M4</cpucore>    
+    <fpu>SP</fpu>  
+    <memories>   
+        <memory name="RAM" access="xrw" start="0x20000000" size="96" />
+        <memory name="FLASH" access="rx" start="0x8000000" size="512" />
+        </memories>
+    <startup>C:\Users\shiny\STM32Cube\Repository\STM32Cube_FW_F4_V1.24.0\Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\gcc\startup_stm32f401xe.s</startup>      
+
+    <heapSize>0x200</heapSize>
+    <stackSize>0x400</stackSize>
+
+    <board>NUCLEO-F401RE</board>
+
+    <debugprobe>swd</debugprobe>
+    <optimization></optimization>
+
+    <Aincludes>
+        <include></include>
+
+        </Aincludes>
+    <Adefines>
+        </Adefines>  
+    <Cdefines>
+        <define>USE_HAL_DRIVER</define>
+        <define>STM32F401xE</define>
+        </Cdefines>
+    <Ldefines>
+        </Ldefines>
+    <definestoremove>
+        <Adefines>
+            </Adefines>
+        <Cdefines>
+            <define>USE_FULL_LL_DRIVER</define>
+            <define>MBEDTLS_CONFIG_FILE=&quot;mbedtls_config.h&quot;</define>
+            <define>USE_FULL_ASSERT=1U</define>
+            </Cdefines> 
+        <Ldefines>
+            </Ldefines> 
+        </definestoremove>
+
+    <inctoremove>
+        <Aincludes>
+            <include></include>
+            </Aincludes>
+        <Cincludes>
+            </Cincludes>
+        </inctoremove>
+    <filestoremove>
+        <file>
+            <name>..\Drivers\BSP\Components\ST25DV\st25dv_reg.c</name>
+            <name>..\Drivers\BSP\Components\ST25DV\st25dv.c</name>
+            <name>..\Drivers\BSP\NFC04A1\nfc04a1.c</name>
+            <name>..\Drivers\BSP\NFC04A1\nfc04a1_nfctag.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_AAR.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Bluetooth.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Email.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Geo.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Handover.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_MyApp.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_SMS.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Text.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_URI.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Vcard.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_NDEF_Wifi.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\lib_wrapper.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\tagtype3_wrapper.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\tagtype4_wrapper.c</name>
+            <name>..\Middlewares\ST\lib_nfc\lib_NDEF\Core\src\tagtype5_wrapper.c</name>
+            </file>
+        </filestoremove>
+    <Cincludes>
+        <include>Inc</include>
+        <include>Drivers\STM32F4xx_HAL_Driver\Inc</include>
+        <include>Drivers\STM32F4xx_HAL_Driver\Inc\Legacy</include>
+        <include>Drivers\CMSIS\Device\ST\STM32F4xx\Include</include>
+        <include>Drivers\CMSIS\Include</include>
+        <include>\Drivers\BSP\Components\ST25DV\</include>
+        <include>\Drivers\BSP\NFC04A1\</include>
+        <include>\Middlewares\ST\lib_nfc\lib_NDEF\Core\inc</include>
+        <include>\Middlewares\ST\lib_nfc\common\inc</include>
+
+        </Cincludes>
+    </config>
+        </configs> 
+
+    <underRoot>true</underRoot>
+    <copyAsReference>false</copyAsReference>
+ 
+    <sourceEntries>
+            <sourceEntry>
+            <name>Src</name>
+            </sourceEntry>
+        <sourceEntry>
+            <name>Drivers</name>
+            </sourceEntry>
+   
+         <sourceEntry>
+            <name>Middlewares</name>
+            </sourceEntry>
+    
+        <sourceEntry>
+            <name>Packs</name>
+            </sourceEntry>
+        </sourceEntries>
+ 
+    </Project>
+