initialize.c

来自「blackfin532的一个串口测试代码」· C语言 代码 · 共 18 行

#include <cdefBF532.h>
#include <ccblkfn.h>
#include <sys\exception.h>
#include "uartlib.h"

void init_interrupt(void)
{
    *pSIC_IAR0 = *pSIC_IAR0 & 0xffffffff | 0x00000000;	
	*pSIC_IAR1 = *pSIC_IAR1 & 0xffffffff | 0x03000000;	// map DMA0 PPI Interrupt -> IVG8
	*pSIC_IAR2 = *pSIC_IAR2 & 0xffffffff | 0x00000000;	
	
	register_handler(ik_ivg10, UART_RxIsr);
	
	*pILAT |= EVT_IVG10;
	ssync();
	*pSIC_IMASK=0x00004000;
}