CC2640: Problem with i2c as slave

Hello,

1. I want to use i2c as slave on cc2640. When i register the interrupt service routine using:

I2CIntRegister(I2C0_BASE, &I2c_InterruptServiceRoutine);

static void I2c_InterruptServiceRoutine()
{

}

It shows following error:

Can you help me to solve the issue?

2. Another problem i2c sends NACK’s after the 9^th byte. This issue is also stated in following thread 

How this issue can be solved?