Philips Bluetooth QuickStart Kit User Manual

Page 67

Bluetooth QuickStart Kit Version 1.0 - User’s Guide

Page 67

I2C_CODE_OK – The function completed successfully
I2C_CODE_ERROR – an error occurred

B.8.7 i2cWaitTransmit

tS8 i2cWaitTransmit( void )

Wait until data has been transmitted.

Parameters:

[in] addr – the address to write to
[in] pData – the data to transmit
[in] len – number of bytes to transmit

Returns:

I2C_CODE_OK – The function completed successfully
I2C_CODE_ERROR – an error occurred

B.8.8 i2cWriteWithWait

tS8 i2cWriteWithWait( tU8 data )

Send a character on the I2C network and wait until it has been transmitted.

Parameters:

[in] data – the data to transmit

Returns:

I2C_CODE_OK – The function completed successfully
I2C_CODE_BUSY – data register is not ready -> byte was not sent

B.8.9 i2cRead

tS8 i2cRead( tU8 addr, tU8* pBuf, tU16 len )

Read a specified number of bytes from the I2C network.

Note: After this function is run, you may need a bus free time before a new data transfer
can be initiated.

Parameters:

[in] addr – the address to read from
[in] pBuf – the read data is stored in this buffer
[in] len – number of bytes to read

Returns:

I2C_CODE_OK or I2C status code (see i2cCheckStatus)