Switch Science


Switch Science is one of the open source hardware retailers in Japan. We are manufacturing our own products.

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Firmware chibibit

Table of Contents

  1. Instruction

Instruction

This instruction explain how to update your firmware.

1. Entering to the ISP mode
While holding down the reset button, plug the USB connector. When the chibi:bit is plugged in this way, it will appear as a disk called "CRP DISABLED". When you see the drive, you can release the button.


2. Trash the old firmware
Open the "CRP DISABLED" drive, so you can find a file called "firmware.bin". Please trash this old firmware.
/media/uploads/asagin/1114_crp_disabld_win_en3.png

3. Copy the new one
Please Drag&Drop the downloaded latest firmware into the "CRP DISABLED" drive. After that, do eject operation like usual USB flash stick.
/media/uploads/asagin/1114_crp_disabld_new_win_en3.png

4. Power cycling
Unplug the USB cable and wait about 5 seconds. After that, please plug it again. At this time, you don't need to press the "ISP" button.
"MBED" drive will be shown. You can use mbed LPC1114FN28 as usual.
/media/uploads/asagin/1114_safey_removing_win_en.png

On OS X, you can not process this with finder. You need to do with terminal like below.

rm /volumes/CRP\ DISABLD/firmware.bin
cp /Users/$USER/Downloads/lpc11u35_lpc1114_if_20150206.bin /volumes/CRP\ DISABLD/
sudo umount /volumes/CRP\ DISABLD/


Linux case:
We don't provide support about Linux and other Unix OS.

rm /media/CRP\ DISABLD/firmware.bin
dd bs=1024 conv=nocreat,notrunc if=~/lpc11u35_lpc1114_if_20150206.bin of=/media/CRP\ DISABLD/firmware.bin
umount /media/CRP\ DISABLD/firmware.bin


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