lib_aic.c

基于sam7x256平台做的CAN与网口互转接口

//*------------------------------------------------------------------------------------------------
//* 文件名				: lib_aic.c
//* 功能描述				: AIC函数库: 
//*------------------------------------------------------------------------------------------------
//*------------------------------------------ 头文件 -----------------------------------------------
#include	"/uCOS_II/os_cpu.h"
#include	"/at91sam7x256/include/AT91SAM7X256.h"
#include	"/at91sam7x256/include/lib_AT91SAM7X256.h"
#include	"lib_aic.h"
//*------------------------------------------ 常量定义 ---------------------------------------------

//*================================================================================================
//*											函	数	区
//*================================================================================================
//*------------------------------------------------------------------------------------------------
//* 函数名称	: at91_irq_open
//* 功能描述	: 初始化中断处理
//* 入口参数	: 
//* 出口参数	: 无
//*------------------------------------------------------------------------------------------------
void at91_irq_open(UBYTE ubIRQID, UBYTE ubPrior, UBYTE ubSrcType, void (*pfunIRQHandler)(void))
{
    AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, ubIRQID, ubPrior, ubSrcType, pfunIRQHandler);
    
    //* 使能该中断
    AT91C_BASE_AIC->AIC_IECR = 0x01 << ubIRQID;
}