Table of Contents
Seeduino Xiao
This is a tiny ARM board with a very unreliable bootloader which contrasts greatly with the hardware.
TODO
[3585232.736302] usb 1-1.3: new full-speed USB device number 109 using dwc_otg [3585232.878743] usb 1-1.3: New USB device found, idVendor=2886, idProduct=802f, bcdDevice= 1.00 [3585232.878764] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [3585232.878780] usb 1-1.3: Product: Seeed femto M0 [3585232.878795] usb 1-1.3: Manufacturer: Seeed [3585232.878811] usb 1-1.3: SerialNumber: 1D5A0BE850553133352E3120FF0A183C [3585232.881320] cdc_acm 1-1.3:1.0: ttyACM1: USB ACM device
Programming needs new version of BOSSA, however, the board can boot into MASS STORAGE mode and BOSSA will not work in this case. Things are not particularly reliable with USB bus hangs and even Linux kernel panics.
$ sudo stty -F/dev/ttyACM1 1200 $ sudo /home/darron/.arduino15/packages/Seeeduino/tools/bossac/1.7.0-arduino3/bossac --port=ttyACM1 -U true -i Atmel SMART device 0x10010005 found Device : ATSAMD21G18A Chip ID : 10010005 Version : v1.1 [Arduino:XYZ] Nov 27 2019 16:35:59 Address : 8192 Pages : 3968 Page Size : 64 bytes Total Size : 248KB Planes : 1 Lock Regions : 16 Locked : none Security : false Boot Flash : true BOD : true BOR : true Arduino : FAST_CHIP_ERASE Arduino : FAST_MULTI_PAGE_WRITE Arduino : CAN_CHECKSUM_MEMORY_BUFFER
$ ll
total 513K
-rwxr-xr-x 1 root root 524288 Dec 25 2018 CURRENT.UF2
-rwxr-xr-x 1 root root 111 Dec 25 2018 INDEX.HTM
-rwxr-xr-x 1 root root 101 Dec 25 2018 INFO_UF2.TXT
$ cat IN*
<!doctype html>
<html><body><script>
location.replace("https://www.seeedstudio.com/");
</script></body></html>
UF2 Bootloader v3.7.0-33-g90ff611-dirty SFHWRO
Model: Seeeduino XIAO
Board-ID: SAMD21G18A-XIAO-v0
SAMD21G18
http://packs.download.atmel.com/
https://www.seeedstudio.com/Seeeduino-XIAO-Arduino-Microcontroller-SAMD21-Cortex-M0+-p-4426.html
https://wiki.seeedstudio.com/Seeeduino-XIAO/
arduino
File → Preferences → Additional Boards Manager URLs
https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json
Tools→ Board → Boards Manager → Filter your search
Seeeduino XIAO
