Pepper Computer RS232, RS485 user manual SMDAD1PutVRaw Syntax, RetVal = SMDAD1PutVRaw0, 1, 0x0FFF

Chapter 5 Analog Modules SMART I/O User’s Manual

5.1.8.6 SMDAD1PutVRaw

Syntax

error_code SMDAD1PutVRaw(u_int8 PortNr, u_int8 Channel, u_int16 Value);

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

SM-Port number to be accessed

Number of the DAC output channel to access (0-1)

Value to be written

SUCCESS	if module was not initialized
E_SEEK
E-BMODE	if the module is unknown

or standard OS-9 error code (refer to the OS-9 Technical Manual Error Codes Section).

5

RetVal = SMDAD1PutVRaw(0, 1, 0x0FFF);

		Value (16-bit HEX)
Unipola	r			Bipolar
Positive Full-Scale			$0FFF	Positive Full-Scale	$0FFF
+1LSB			$0001	+1LSB	$0801
0			$0000	0	$0800
				-1LSB	$07FF
				Negative Full-Scale	$0000

March 12, 1996 ©1996 PEP Modular Computers GmbH Page 5 - 21