Pepper-computer Modular Computers RS485 Manual do Utilizador descarregar pdf (Página 201)

100

101

SMART I/O User’s Manual

Chapter 5 Analog Modules

5.2.8.8 SMADCGetPrecision

Syntax

error_code SMADCGetPrecision(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 gets the precision/filter setting of the AD Converter

and stores the value in a user defined buffer. The user has to take care that

there is enough space to store the data.

Input

u_int8 PortNr

Port number from which to get data

(from 0 to 10)

u_int8 channel

Number of specified channel (0 to 3)

u_int16*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

or standard OS-9 error code (refer to the OS-9

Technical Manual Error Codes Section).

Example

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

1 2 ... 196 197 198 199 200 201 202 203 204 205 206 ... 319 320

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