Pepper Computer Modular Computers RS485 - Manual (Page 270)

SMART I/O User’s Manual
October 01, 1996 ©1996 PEP Modular Computers GmbH Page 5 - 114
Chapter 5 Analog Modules
5.5.8.2 SMDAC1Init
Syntax
error_code SMDAC1Init(u_int8 PortNr);
Description
This function initialises the SM-DAC1 Module on port PortNr, and:
- tests the module’s ID
- reads the conversion table held in EEPROM
- allocates space for the fetched resources
Input
u_int8 PortNr
Port number of module to initialise
(from 0 to 10)
Output
error_code SUCCESS
or
E_BMODE
if wrong or no module
E_MEMFUL
if no memory resources available
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
Example
RetVal = SMDAC1Init(0);