interrupt_service.c

来自「BF561采集PAL制图像」· C语言 代码 · 共 35 行

#include "main.h"

/********************************************************************************/
/***** Defines the interrupt service routines for CoreA						*****/
/********************************************************************************/


EX_INTERRUPT_HANDLER(PPI0_RxIsr) {

	*pDMA1_0_IRQ_STATUS |= DMA_DONE;		// acknowledge interrupt

	if (current_in_Frame < 0)	semaphore_frames_received = true;	// this was the first Frame received now signal core B to start Video Out

	++current_in_Frame;
	//if(current_in_Frame>3)
	
	//*pPPI0_CONTROL &= 0xfffe;
	//ssync();
	//*pDMA1_0_CONFIG &= 0xfffe;
	//ssync();
	//p=1;
	while (current_in_Frame =4)
	p=1;

	current_in_Frame = (current_in_Frame) % 4;

}



EX_EXCEPTION_HANDLER(ex_handler_coreA) {
	while(1);
}