Analytica GmbH AnaGate CAN duo User Manual download pdf (Page 58)

I2C API reference

I2CWrite

I2CWrite — Writes data to an I2C partner.

Syntax

#include <AnaGateDllI2C.h>

int I2CWrite(int hHandle, unsigned short nSlaveAddress, const char *

pcBuffer, int nBufferLen);

Parameter

hHandle Valid access handle.

nSlaveAddress Slave address of the I2C partner. The slave address can represent a so-called 7-bit

or 10-bit address. (siehe Appendix B, I2C slave address formats).

pcBuffer Byte buffer with the data that is to be sent to the I2C partner.

nBufferLen Size of bytes to be read.

Return value

Returns Null if successful, or an error value otherwise (Appendix A, Return Codes).

Description

Writes data to an I2C partner. The user must ensure that the setup of the data buffer and the address of

the I2C partner are correct.

The R/W bit of the slave address does not have to be explicitly set by the user.

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Analytica GmbH AnaGate CAN duo User Manual Page 58