Hatteland Display HT B22 (Fanless) - Manual (Page 18)

DOC101357-1_ - rev 2 – 2013-09-23 - Created by:6644
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HD CAN Module Programmer’s Guide (Windows)
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f) J2534_ERROR_CODE J2534::PassThruIoctl
( unsigned long ChannelID,
J2534_IOCTL IoctlID,
void * pInput,
void * pOutput
)
This function is used to read and write all the protocol hardware and software
configuration parameters. If the function is successful, a value of STATUS_NOERROR is
returned. The structures pointed to by pInput and pOutput are determined by the
IoctlID. param[in] ChannelID The channel ID assigned by the PassThruConnect function,
except in designated Ioctls where the device ID is passed instead. (!!!) param[in] IoctlID
Ioctl ID. param[in,out] *pInput Pointer to input structure. param[in,out] *pOutput
Pointer to output structure.
Returns:
Status, see function return codes in hdj2534.h
g) J2534_ERROR_CODE J2534::PassThruOpen
( void * pName,
unsigned long * pDeviceID
)
This function is used to establish a connection and initialize the Pass-Thru Device. This
function must be called one time before any other function with the exception of
PassThruGetLastError. Any function called before a successful call to PassThruOpen must
return ERR_INVALID_DEVICE_ID. If the function is successful, a value of
STATUS_NOERROR is returned. The Device ID returned is used as a handle to the
initialized SAE J2534 device.
Parameters:
[in] *pName Used for selecting which device to use (reserved
in
J2534 spec).
[out] *pDeviceID Pointer to location for the device ID that is assigned by the
library.
Returns:
Status, see function return codes in hdj2534.h .