isrs.c

I2C的源程序

#include "Core A.h"

//--------------------------------------------------------------------------//
// Function:	Timers_ISR													//
//--------------------------------------------------------------------------//
EX_INTERRUPT_HANDLER(Timers_ISR)
{
	int I2C_ACK_Error;

	// confirm interrupt handling
	*pTMRS8_STATUS = I2C_CLOCK_TIMER;

	// advance I2C state machine, returns TRUE when finished
	if(I2C_Advance_State())
	{
		// ...disable the clock for the I2C SM
		I2C_SM_Clock_Disable();
	
		// check if error has occured
		I2C_ACK_Error = I2C_Get_Error_Status();

		// careful: function I2C_Read_SDA, which is used for reading ACK
		// from Slave is not implemented in file "I2C Pin Access.h"
	}
}