How to burn the cmsis-dap firmware on the twr-ls1021a board?

[Cheney_t]

I have a twr-ls1021a board, but the cmsis-dap didn`t use. so i want to burn the firmware use the jlink.

where the fireware i can download?

[yipingwang]

Please refer to the attached application note.

[Cheney_t]

I burned the firmware using jlink, but nothing happens to the board and the BOOTLOADER mapping does not appear on the computer

[yipingwang]

For Windows PC, please verify that mbed USB driver is installed.
Use http://mbed.org/handbook/Windows-serial-configuration for references.

[Cheney_t]

My computer has successfully installed the driver, but I can't find any devices in the device manager

[yipingwang]

Please check your USB cable.

[Cheney_t]

The USB cable is very good.

[yipingwang]

Please change to use other PC or USB port on your PC to do more verification.