> Executing task: C:\Users\robertlie\.platformio\penv\Scripts\platformio.exe run <

Processing sipeed-longan-nano (platform: gd32v; framework: arduino; board: sipeed-longan-nano)
--------------------------------------------------------------------------------Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/gd32v/sipeed-longan-nano.html
PLATFORM: GigaDevice GD32V (1.2.1) > Sipeed Longan Nano
HARDWARE: GD32VF103CBT6 108MHz, 32KB RAM, 128KB Flash
DEBUG: Current (altera-usb-blaster) External (altera-usb-blaster, gd-link, jlink, rv-link, sipeed-rv-debugger, um232h)
PACKAGES:
 - framework-arduino-gd32v 0.1.1
 - tool-dfuutil 1.9.200310
 - toolchain-gd32v 9.2.0
LDF: Library Dependency Finder -> http://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 0 compatible libraries
Scanning dependencies...
No dependencies
Building in release mode
Compiling .pio\build\sipeed-longan-nano\src\Blink.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduinoVariant\pins_arduino.c.oCompiling .pio\build\sipeed-longan-nano\FrameworkArduino\Common.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_adc.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_bkp.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_can.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_crc.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_dac.c.o
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\variants\sipeed-longan-nano\pins_arduino.c:42:31: warning: 'PIN_MAP' initialized and declared 'extern'
   42 | extern const gd32v_pin_info_t PIN_MAP[VARIANT_GPIO_NUM] = {
      |                               ^~~~~~~
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_dbg.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_dma.c.o
Archiving .pio\build\sipeed-longan-nano\libFrameworkArduinoVariant.a
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_eclic.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_exmc.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_exti.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_fmc.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_fwdgt.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_gpio.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_i2c.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_pmu.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_rcu.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_rtc.c.o
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_i2c.c: In function 'i2c_flag_clear':
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_spi.c.o
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_i2c.c:610:14: warning: variable 'temp' set but not used [-Wunused-but-set-variable]     
  610 |     uint32_t temp;
      |              ^~~~
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_i2c.c: In function 'i2c_interrupt_flag_clear':
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_i2c.c:718:14: warning: variable 'temp' set but not used [-Wunused-but-set-variable]     
  718 |     uint32_t temp;
      |              ^~~~
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_timer.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_usart.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\Source\gd32vf103_wwdgt.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\GD32VF103_standard_peripheral\system_gd32vf103.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\drivers\n200_func.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\entry.S.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\handlers.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\init.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\start.S.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\your_printf.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\_exit.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\close.c.o
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\your_printf.c: In function '__wrap_printf':
C:\Users\robertlie\.platformio\packages\framework-arduino-gd32v\cores\arduino\GD32VF103_Firmware_Library\RISCV\env_Eclipse\your_printf.c:4:1: warning: control reaches end of non-void function [-Wreturn-type]
    4 | }
      | ^
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\fstat.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\isatty.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\lseek.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\read.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\sbrk.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\write.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\GD32VF103_Firmware_Library\RISCV\stubs\write_hex.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\IPAddress.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\PluggableUSB.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\Print.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\Stream.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\WString.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\main.cpp.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\wiring.c.o
Compiling .pio\build\sipeed-longan-nano\FrameworkArduino\wiring_digital.c.o
Archiving .pio\build\sipeed-longan-nano\libFrameworkArduino.a
Linking .pio\build\sipeed-longan-nano\firmware.elf
Building .pio\build\sipeed-longan-nano\firmware.bin
Building .pio\build\sipeed-longan-nano\firmware.hex
Checking size .pio\build\sipeed-longan-nano\firmware.elf
Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"      
RAM:   [=         ]   7.2% (used 2358 bytes from 32768 bytes)
Flash: [=         ]   6.3% (used 8250 bytes from 131072 bytes)
Adding dfu suffix to firmware.bin
dfu-suffix (dfu-util) 0.9

Copyright 2011-2012 Stefan Schmidt, 2013-2014 Tormod Volden
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Suffix successfully added to file
========================= [SUCCESS] Took 3.58 seconds =========================

Terminal will be reused by tasks, press any key to close it.