search

mithro / fx2lib

Library routines for creating firmware for the Cypress FX2 (CY7C68013 and variants) with SDCC
http://fx2lib.sourceforge.net
GNU Lesser General Public License v3.0
13 stars 6 forks source link

Figure out "can't modify CPUCS: Protocol error fx2" error #3

Open mithro opened 9 years ago

mithro commented 9 years ago

After loading the CDC firmware, sometimes you can't load the firmware again. Instead fxload dies with the error; can't modify CPUCS: Protocol error fx2

mithro commented 9 years ago

See this code for possible more information https://github.com/libusb/libusb/blob/master/examples/ezusb.c#L172