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Commit Graph

3 Commits

Author SHA1 Message Date
Werner Almesberger
f5388cac42 include/cntr/crc32.c was lost in the great involuntary purge. Add a dummy. 2010-11-03 11:05:40 -03:00
Werner Almesberger
c28ab2c99a cntr/fw/include/cntr/usb-ids.h was never checked in. Oops ! 2010-11-03 09:58:45 -03:00
Werner Almesberger
c7303e4ac1 Made communication with CNTR board more robust. Added documentation.
- cntr/README: description of the counter board and its application
- cntr/fw/common/crc32.c: variant of CRC32-IEEE802.3 shared by firmware and
  measurement application
- cntr/fw/cntr/ep0.c (my_setup), cntr/tools/cntr/cntr.c (get_sample):
  protect the counter value with a CRC and an one's complement copy
- cntr/fw/include/cntr/ep0.h: oops, wasn't checked into repository
- cntr/tools/cntr/cntr.c: added section titles
- cntr/tools/cntr/cntr.c (measure): show communication statistics at the end
- cntr/tools/cntr/cntr.c (measure, usage, main): new option -d to enable
  reporting of communication errors
- cntr/tools/cntr/cntr.c (set_stop, measure): let user stop measurement with
  SIGINT
- cntr/tools/cntr/cntr.c (measure): get multiple "first samples" and keep
  the one with the shortest round-trip time
- cntr/tools/cntr/cntr.c (measure): changed unit "ppk" (1/1000) to percent
  (1/100)
- cntr/tools/cntr/cntr.c (usage, main): command-line argument is now the
  accuracy goal, while the system clock deviation is set with the new
  option -c
- TODO: some more things to do
2010-08-25 18:47:45 -03:00