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Reference Manual 125

Return Value

HRESULT

4. IAccessFunc::I2C_BurstReadRegister

The I2C_BurstReadRegister method reads multiple continuous

I2C registers (burst mode).

Syntax

HRESULT I2C_BurstReadRegister(

unsigned char DevAddr,

int AddrWidth,

unsigned short StartRegAddr,

int RegNum,

unsigned char *pRegValue,

int I2CMode

);

Parameters

DevAddr: [In] Device address.

AddrWidth: [In] Length of register address, in bits. Typical val-

ues can either be 8 or 16.

StartRegAddr: [In] Address of the first register. If its higher

byte is 0, the register is considered to have an 8-bit address;

otherwise the address length is 16 bits.

RegNum: [In] Number of registers to be read.

pRegValue: [Out] Pointer to an array which will receive the val-

ues read from I

C registers.