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The first step in generating the FWU file is to generate the fpga.bin file corresponding to a given FPGA design.

Bootload.ini file

The 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)

usb.bin file

The 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.

FWU file generation

In order to generate the FWU file you shall

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Bootload.ini file

The 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)

usb.bin file

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