Pepper Computer RS232, RS485 user manual SMADCReadRaw Syntax

SUCCESS E_MNF

E_PARAM

E_NOTRDY

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

5.2.8.16SMADCReadRaw

Syntax

error_code SMADCReadRaw(u_int8 PortNr, u_int8 channel, u_int16 *pBuffer);

Description

This function checks if an SM-PT100 board is fitted on the specified port and if the channel is valid. It reads the raw value of the last conversion and stores it 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

u_int8 channel u_int16 *pBuffer

Output

Port number from which raw data is to be read (from 0 to 10)

Number of the channel to be read (0 to 3) Pointer to a user defined buffer

5

error_code

If wrong type of module or no module is fitted on the selected port

If wrong channel number is specified If no data is available at the moment - wait or poll the input

or standard OS-9 error code (refer to the OS-9 Technical Manual Error Codes Section).

Example

RetVal = SMADCReadRaw(0, 1, &Buffer);

March 12, 1996 ©1996 PEP Modular Computers GmbH Page 5 - 53