Pepper-computer Modular Computers RS485 User Manual download pdf (Page 270)

100

101

SMART I/O User’s Manual

October 01, 1996

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);

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