Instruction¶

This instruction explain how to update your firmware.

1. Entering to the ISP mode
While holding down the small button with "ISP" silk, plug the USB connector. When the mbed LPC1114FN28 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.

3. Copy the new one
Please Drug&Drop the downloaded latest firmware into the "CRP DISABLED" drive. After that, do eject operation like usual USB flash stick.

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.


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/asagin/Downloads/lpc11u35_lpc1114_if_mbed_checksum_20140430.bin /volumes/CRP\ DISABLD/
sudo umount /volumes/CRP\ DISABLD/

Interface Firmware¶

Current release:
20140621 Fixed: flash algorithm erased only sector 0.
Archives:
20140620 Fixed: USB stack and RTOS were in race conditions when using CDC and MSC at the same time.
20140430 First release.