Pepper Computer Modular Computers RS485 - Manual (Page 231)

SMART I/O User’s Manual
©1996 PEP Modular Computers GmbH March 12, 1996 Page 5 - 75
5
Chapter 5 Analog Modules
5.3.8.9 SMADCSetMode
Syntax
error_code SMADCSetMode(u_int8 PortNr, u_int8 channel,
u_int8 mode);
Description
This function checks if an SM-THERM board is fitted on the specified port
and if the channel is valid and sets the mode of the AD Converter. The valid
values (BIPOLAR, UNIPOLAR) are defined in the file smadc.h.
Input
u_int8 PortNr
Port number to set mode
(0 to 10)
u_int8 channel
Number of specified channel (0 to 3)
u_int8 mode
Mode of ADC: BIPOLAR or UNIPOLAR
Output
error_code SUCCESS
E_MNF
If wrong type of module or no module
is fitted on the selected port
E_PARAM
If wrong channel number is specified
E_BMODE
Illegal mode
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
Example
RetVal = SMADCSetMode(0, 1, BIPOLAR);