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Altera_Forum
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11 years ago

Configuring Cyclone IV E over serial interface problem

Hello, I have a setup in which an MCU is hooked to a Cyclone IV E with two options for configuration. The first option uses a compressed .rbf file saved in the MCU's flash memory and feeds it t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Try reading back the portion of flash used for FPGA configuration in the working setup. Compare this to the data file you are sending using the MCU. There might be additional headers, byte swapping, checksums, etc that change the data as it is being programmed in flash.