Re: CR Units
[QUOTE=Drunkenclam;540560Getting the plus 5 credit to work, this is down to the settings in the dongle, it's not taking 5 pulses per second as 5 seperate adds, [/QUOTE]
Which dongle are you using (Rev1 or Rev2), and which input are you pulsing to add credit (the 'Return' button input or the external input on the expansion connector)?
The return button input's debouncing prevents fast pulses being used to add credit, the external input on a Rev1 dongle is really only suitable for slow pulse inputs (ie from a mechanical coin mech or credit add switch). It's software polled 50 times per second and with default settings it needs to read a minimum of 5 consecutive polls at each state to register an input pulse as valid, so 5 pulses per second is about it's limit. You can try reducing the external input debounce setting from 'E05' to 'E01' (don't try 'E00' as there's a bug that prevents it from working properly!), but even on the lower settings the Rev1 wasn't that reliable with pulse inputs.
A couple of bugs in the external input code were fixed for the Rev2 dongles, and it should be more reliable for pulse inputs. 5 pulses per second should be possible (with debounce set to 'E01' or 'E02'), but if it's a lot faster then it's likely to miss pulses.
The best option for fast pulse credit adding is a Rev2 dongle with the latest 'r2-1' firmware (check the scrolling message as you enter setup mode it should read 'CrE r2-1 (c) dr 10-05-2012' for the current firmware). The external input code was updated in this version for a customer with coin mechs with a very fast (10mS) pulse output, if the External input debounce setting is set to 'E-0' with this firmware the external input is read by a software interrupt and doesn't go through the normal input polling/debouncing at all.
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