MagTek Secure Card Reader - Manual (Page 5)

1
SECTION 1. OVERVIEW
SCRA METHODS
MTUSCRAOpenDevice Opens a SCRA Swipe Reader
MTUSCRACloseDevice Closes opened SCRA Swipe Reader
MTUSCRASendCommand Allows sending command to the SCRA Swipe directly
MTUSCRAGetCardData Allows retrieving card data through structures
MTUSCRAGetCardDataStr Allows retrieving card data as a buffer with field delimiters
MTUSCRAClearBuffer(void); Clears existing card buffer
MTUSCRACardDataStateChangedNotify Sets a callback function to notify card data state change
MTUSCRADeviceStateChangedNotify Sets a callback function to notify device state change
MTUSCRAGetDeviceState Retrieves the current device state
MTUSCRAGetCardDataState Retrieves the current card data state
MTUSCRAGetPID Retrieves the Product ID of the SCRA swipe reader
SCRA EVENTS
typedef void (WINAPI *CallBackCardDataStateChanged)(DWORD lpdwCardDataState);
CallBackCardDataStateChanged
Receives information of Card Data States. Possible values are defined under
ECardDataStateValues enum
typedef void (WINAPI *CallBackDeviceStateChanged)(DWORD lpdwDeviceState);
CallBackDeviceStateChanged
Receives information on Device States. Possible values are defined under
EDeviceStateValues enum
SCRA ENUMS
EErrorValues
MTSCRA_ST_OK=0, MTSCRA_ST_FAILED=1,
MTSCRA_ST_OPEN=2, MTSCRA_ST_INVALID_PARAM=3
EDeviceStateValues MTSCRA_STATE_DISCONNECTED=0,
MTSCRA_STATE_CONNECTED=1,
MTSCRA_STATE_ERROR=2
ECardReadValues MTSCRA_CARDREAD_OK=0,
MTSCRA_CARDREAD_ERROR=1
ECardDataStateValues MTSCRA_DATA_NOTREADY=0, MTSCRA_DATA_READY=1,
MTSCRA_DATA_ERROR=2