Pepper Computer Modular Computers RS485 - Manual (Page 239)

SMART I/O User’s Manual
©1996 PEP Modular Computers GmbH March 12, 1996 Page 5 - 83
5
Chapter 5 Analog Modules
5.3.8.17 SMADCReadConverted
Syntax
error_code SMADCReadConverted(u_int8 PortNr, u_int8
channel, double *pBuffer);
Description
This function reads the converted value of the last AD Conversion and stores
the value in degrees Celcius in a user defined buffer. The user has to take
care that the buffer is large enough to store the data.
Input
u_int8 PortNr
Port number from which the input is read
(from 0 to 10)
u_int8 channel
Number of the channel to be read (0 to 3)
double *pBuffer
Pointer to a user defined buffer
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_NOTRDY
If no data is available at the moment or
the sensor is defect.
- wait or poll the input or check sensor
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
Example
RetVal = SMADCReadConverted(0, 1, &Buffer);