isr.c

来自「SPLC501液晶显示模组驱动程序」· C语言 代码 · 共 21 行

#include "ChineseMenu.h"
#define P_INT_Ctrl_New			(volatile unsigned int *)0x702D   
#define P_INT_Ctrl				(volatile unsigned int *)0x7010   
#define P_INT_Clear				(volatile unsigned int *)0x7011 
//=====================================================================//
//函数：void IRQ4(void)
//描述：IRQ4中断入口程序
//参数：无
//返回：无
//注意：采用了1KHz中断
//=====================================================================//
void IRQ4(void)__attribute__((ISR));
void IRQ4(void)
{
	if(*P_INT_Ctrl&0x0010)
	{
		*P_INT_Clear = 0x0010;
		BMP_Play_IRQ_Service();		//调用动画显示的中断服务程序
	}
}