The V4KF module provides support for several card readers:
- Leadus V4KF
- Insertion reader
- Leadus V2BF
- Motorized reader (discontinued)
- Leadus V2XF
- Motorized reader/writer (discontinued)
- Sankyo ICT3K7-3R6940
- Motorized reader
This is a high level interface to the reader features. Allocate a new instance using v4kf.new().
General reader state handling is done using v4kf:reset(), v4kf:init(), v4kf:close(), v4kf:insert(), v4kf:eject(), v4kf:capture() and v4kf:lock().
The functions v4kf:hasCard(), v4kf:hasLockedCard(), v4kf:isEmpty(), v4kf:isOnline(), v4kf:isProcessing(), v4kf:isReady(), v4kf:readerType(), v4kf:sensors(), v4kf:state() and v4kf:version() provide information about the reader.
Buffered magnetic stripe data is retrieved by calling v4kf:magdata() and cleared from the buffer using v4kf:clearMagdata().
There is chip card support with v4kf:chipActivate(), v4kf:chipDisable(), v4kf:chipEnable(), v4kf:chipPin, v4kf:chipExecute(), v4kf:chipRead(), v4kf:chipReadEx(), v4kf:chipWrite() and v4kf:chipWriteEx().
There are callbacks named v4kf.online(), v4kf.error(), v4kf.stateChanged(), v4kf.magdataChanged(), v4kf.senseChanged(), v4kf.processingComplete() and v4kf.error().
v4kf:setTrace() and v4kf:fd() help with debugging.