svcCom3SetDeviceAddr()
The svcCom3SetDeviceAddr() function allows the application to set the ECR
device address that the terminal is going to respond to. This is valid only in COM3
ECR tailgate mode: MODE_SIO_INT. The ECR device address must be set before
x
the M
800 series terminal will respond to a poll from the ECR. If the terminal is not
in MODE_SIO_INT, the device address will still be set successfully, but will be
ignored.
Prototype
short svcCom3SetDeviceAddr(int fd, char da)
Parameters
File descriptor returned when opening a serial port with ecrOpen().
fd
A 1 byte value to set the ECR device address to. The legal values are
da
defined as follows:
SIO_DEVADDR_64
SIO_DEVADDR_65
SIO_DEVADDR_65
SIO_DEVADDR_69
Return Values
This function returns 0 upon success and a negative value if unsuccessful in
setting address.
S
ERVICE
svcCom3SetDeviceAddr()
X
M
800 S
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ERIES
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UIDE