memdma_isr_stop_init.c

来自「ｉｄｅ的低层驱动程序。一个工程（ｃｐｌｄ＋ｄｓｐ）的一部分。」· C语言 代码 · 共 30 行

#include ".\h_file\system.h"

uchar Light = 0x21;
ushort bb = 0;

bool DMA_BUSY = 1;

EX_INTERRUPT_HANDLER( memDMA_ISR )
{
	Light = ~Light;
	*pLight = Light;
	bb++;
	DMA_BUSY = 0;
	*pMDMA_S0_IRQ_STATUS = 0x0001;
	*pMDMA_D0_IRQ_STATUS = 0x0001;
}


memDMA_ISR_init()
{
	ushort i;
	register_handler( ik_ivg13, memDMA_ISR );

	*pSIC_IMASK = 0x00200000;
	
}