====== Tools ======

fxload
  * example: sudo fxload -I vend_ax.hex  -D /dev/bus/usb/001/044  -t fx2 -v

https://github.com/ribalda/fx2eeprom
  * note: CySuite also has something like that
  * gcc -Wall  -L /usr/lib/x86_64-linux-gnu/ -lusb-1.0 fx2eeprom.c   -o fx2eeprom  -lusb-1.0

CySuite:  http://dlm.cypress.com.edgesuite.net/akdlm/downloadmanager/documents/CySuiteUSB_3_4_7_B204.exe
  * can open .spt but can't display them (at least not without running?)