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Text version of the page
Absolute linear encoders, RF25X
Parameters:
hcoM - descriptor of the device obtained from function
RF25x_OpenPort or CreateFile;
bAddress - device address;
IprfHelToAnswer - pointer to the RF25xHELLOANSWER structure.
Returned value:
If the device does not respond to identification request, the function returns FALSE, oth-
erwise the function returns TRUE and fills variable RF25xHELLOANSWER structure
15.4. Reading of parameters (RF25x_ReadParameter)
The function RF25x_ReadParameter reads internal parameters of the RF25X
sensor and returns the current value to the parameters address;
BOOL RF25x_ReadParameter (
HANDLE hCOM,
BYTE bAddress,
WORD wParameter,
DWORD * Tpdwvalue
);
Parameters:
hCOM - descriptor of the device obtained from function
RF25x_OpenPortt or CreateFile;
bAddress - device address;
wParameter - number of parameter, see Table 1.
Table 1
|
Parameter |
Description |
|
RF25X_PARAMETER_POWER_STATE |
Power status of sensor |
|
RF25X_PARAMETER_PRIORITY_AND_SYNC |
Control of sampling and synchronization |
|
RF25X_PARAMETER_NETWORK_ADDRESS |
Network address |
|
RF2 5X_PARAMETER_BAUDRATE |
Data transmission rate through serial port |
|
RF2 5x_PARAMETER_PIXEL_5IZE |
Pixel size |
|
RF2 5 X _ PA RANI ET E R_DAT U M_ POINT |
Csu-dinak; system Zero |
|
RF2 5x_PARAMETER_SAMPLING_PERIOD RF2 5x_PARAMETER_BEGIN_ANALOG_RANGE |
Sampling period |
|
Beginning ot analog output range |
|
|
RF2 5x_PARAMETER_END_ANALOG_RANGE |
End of analog output range |
Ipdwvalue - pointer to WORD-type variable where current parameter
value will be saved.
Returned value:
If the device does not respond to parameter reading request, the function returns
FALSE, otherwise the function returns TRUE and fills variable TpdwVa Tue
15.5. Parameters saving (RF25x Write Parameter)
The function RF25x_WriteParameter writes Inside parameters of the RF25X
sensor:
BOOL RF25x_writeParameter (
HANDLE hCOM,
BYTE bAddress,
WORD wParameter,
DWORD dwVaTue
RF25X [Revision 1.1] 10th October 2010