
Software Architecture for a Multi-Protocol RFID Reader on Mobile Devices
■
97
Table 4.6 Description of HAL Commands
Type Command Description
Reader
control
Mandatory commands
MH_rfidPowerOn Power on an RFID reader.
MH_rfidPowerOff Power off the reader.
MH_rfidOpenReader Arrange a logical channel to communicate with a
reader, and make the reader ready to get tag
control commands
MH_rfidCloseReader Close a logical channel and terminate all the
performing operation
MH_rfidResetReader Clear all the registers in the reader, and
reconstruct a logical channel
MH_rfidisOpenReader Check whether a logical channel is opened or not
MH_rfidisBusyReader Check whether a reader is ...