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

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
 - tool-gd32vflash 0.1.0
 - tool-openocd-gd32v 0.1.1
 - 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
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)
Configuring upload protocol...
AVAILABLE: altera-usb-blaster, gd-link, jlink, rv-link, serial, sipeed-rv-debugger, um232h
CURRENT: upload_protocol = serial
Looking for upload port...
Auto-detected: COM4
Uploading .pio\build\sipeed-longan-nano\firmware.bin
stm32flash 0.4

http://stm32flash.googlecode.com/

Using Parser : Raw BINARY
Interface serial_w32: 115200 8E1
Version      : 0x30
Option 1     : 0x00
Option 2     : 0x00
Device ID    : 0x0410 (Medium-density)
- RAM        : 20KiB  (512b reserved by bootloader)
- Flash      : 128KiB (sector size: 4x1024)
- Option RAM : 16b
- System RAM : 2KiB
Write to memory
Erasing memory

Wrote address 0x08000100 (3.10%) 
Wrote address 0x08000200 (6.19%) 
Wrote address 0x08000300 (9.29%) 
Wrote address 0x08000400 (12.39%) 
Wrote address 0x08000500 (15.48%) 
Wrote address 0x08000600 (18.58%) 
Wrote address 0x08000700 (21.67%) 
Wrote address 0x08000800 (24.77%) 
Wrote address 0x08000900 (27.87%) 
Wrote address 0x08000a00 (30.96%) 
Wrote address 0x08000b00 (34.06%) 
Wrote address 0x08000c00 (37.16%) 
Wrote address 0x08000d00 (40.25%) 
Wrote address 0x08000e00 (43.35%) 
Wrote address 0x08000f00 (46.44%) 
Wrote address 0x08001000 (49.54%) 
Wrote address 0x08001100 (52.64%) 
Wrote address 0x08001200 (55.73%) 
Wrote address 0x08001300 (58.83%) 
Wrote address 0x08001400 (61.93%) 
Wrote address 0x08001500 (65.02%) 
Wrote address 0x08001600 (68.12%) 
Wrote address 0x08001700 (71.21%) 
Wrote address 0x08001800 (74.31%) 
Wrote address 0x08001900 (77.41%) 
Wrote address 0x08001a00 (80.50%) 
Wrote address 0x08001b00 (83.60%) 
Wrote address 0x08001c00 (86.70%) 
Wrote address 0x08001d00 (89.79%) 
Wrote address 0x08001e00 (92.89%) 
Wrote address 0x08001f00 (95.98%) 
Wrote address 0x08002000 (99.08%) 
Wrote address 0x0800204c (100.00%) Done.

Starting execution at address 0x08000000... doneGET returns unknown commands (0x 6)
.

========================= [SUCCESS] Took 3.45 seconds =========================

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