Pepper Computer RS485, RS232 user manual SMDAC1PutVRaw Syntax, RetVal = SMDAC1PutVRaw0, 1, 0x0FFF

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

5.5.8.6 SMDAC1PutVRaw

Syntax

error_code SMDAC1PutVRaw(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 and the given value will always be masked to a 12-bit value.

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 (0-5)

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).

RetVal = SMDAC1PutVRaw(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
	Page	5 - 118						Negative Full-Scale	$0000	October 01, 1996
					©1996 PEP Modular Computers GmbH