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To create your FWU file, you shall
replace the existing step4_user\fpga.bin
with the latest fpga.bin
(once per design)
zip the 3 files
rename the zip
file extension to fwu
upload the file using DEWESoft Firmware Upgrade Tool.
Warning |
---|
File and path names are given and must not be changed! |
The step4_user\Bootload.ini
file defines some module start-up options. Version 1.0 of Bootload.ini has the following structure:
[Info]
– information section (do not edit this section)
Version
– Bootload.ini file format version
DeviceType
– 3 stands for current device type
[Settings]: settings section
FPGABitSwap
– see Xilinx UG332: Spartan-3 Generation Configuration User Guide, chapter SelectMAP Data Ordering (default = 1 = do bit swapping)
FPGAPowerON
– value of FX2_PS_EN after SPI Flash memory programming ( FX2_PS_EN Slide Switch) (default = 1 = power on after upgrade)
The step4_user\usb.bin
file contains the firmware to be written in the large EEPROM of the EZ-USB FX2LP USB microcontroller and loaded at module start-up to implement the DEWESoft instruction set.