Smdad1Putvraw - PEP Modular Computers Modular Computers RS485 User Manual

Chapter 5 Analog Modules

5.1.8.6 SMDAD1PutVRaw

Syntax
error_code SMDAD1PutVRaw(u_int8 PortNr, u_int8
Description
This function sets the selected DAC channel to the chosen value. No gain or
offset correction is performed.
Input
u_int8 PortNr
u_int8 Channel
u_int16 Value
Output
error_code
Example
RetVal = SMDAD1PutVRaw(0, 1, 0x0FFF);
Positive Full-Scale
March 12, 1996
SM-Port number to be accessed
Number of the DAC output channel to access
(0-1)
Value to be written
SUCCESS
E_SEEK
E-BMODE
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
Value (16-bit HEX)
Unipolar
$0FFF
+1LSB $0001
0 $0000
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
Channel, u_int16 Value);
if module was not initialized
if the module is unknown
Bipolar
Positive Full-Scale
+1LSB
0
-1LSB
Negative Full-Scale
$0FFF
$0801
$0800
$07FF
$0000
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