//DAC實驗
/*作者：鄭海波??2011-9-23??*/
#include?“DSP28_Device.h“
#define?sin_number??21
#define?trig_number????4
#define??SPI_SEL_REG??*（unsigned??int*）0x2004?
#define??DA_SPI????0x03
float??timeperiod=5;//定時器周期?DA實際速率
/*正弦波數(shù)據(jù)*/
int?sinwave[sin_number]={1500196423822714?29273000292727142382?196415001036??618?286?730732866181036??1500};
/*三角波數(shù)據(jù)*/
int?trigwave[trig_number]={10145028001450};
void?WriteDAC（unsigned?data）;
interrupt?void?ISRTimer0（void）;//中斷服務程序
int?TimeCount=0;
void?main（void）
{

	InitSysCtrl（）;			//初始化系統(tǒng)
	DINT;					//關中斷
	IER?=?0x0000;
	IFR?=?0x0000;
???
	InitPieCtrl（）;			//初始化PIE控制寄存器
	InitPieVectTable（）;		//初始化PIE參數(shù)表
	InitPeripherals（）;		//初始化外設寄存器
	InitGpio（）;				//初始化GPIO
???	InitSpi（）;				//初始化SPI???	
????EALLOW;//允許訪問受保護的寄存器

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-09-23?21:47??my_da\
?????目錄???????????0??2011-09-23?21:05??my_da\DAC.CS_\
?????文件????????3072??2011-09-23?21:44??my_da\DAC.CS_\FILE.CDX
?????文件????????1530??2011-09-23?21:46??my_da\DAC.CS_\FILE.DBF
?????文件????????1751??2011-09-23?21:44??my_da\DAC.CS_\FILE.FPT
?????文件??????283136??2011-09-23?21:46??my_da\DAC.CS_\SYMBOL.CDX
?????文件??????212159??2011-09-23?21:46??my_da\DAC.CS_\SYMBOL.DBF
?????文件??????367757??2011-09-23?21:46??my_da\DAC.CS_\SYMBOL.FPT
?????文件????????2005??2011-09-23?21:46??my_da\DAC.c
?????文件???????10647??2007-09-22?21:14??my_da\DAC.paf
?????文件???????10924??2011-09-23?21:46??my_da\DAC.paf2
?????文件????????1356??2011-09-23?21:07??my_da\DAC.pjt
?????文件????????5201??2011-09-23?21:46??my_da\DAC.sbl
?????文件????????1151??2002-05-27?11:22??my_da\DSP28_Adc.c
?????文件????????6469??2002-05-27?11:23??my_da\DSP28_Adc.h
?????文件????????3808??2002-05-27?11:22??my_da\DSP28_CpuTimers.c
?????文件????????5211??2002-05-27?11:23??my_da\DSP28_CpuTimers.h
?????文件???????24741??2004-12-12?21:23??my_da\DSP28_DefaultIsr.c
?????文件????????4797??2002-05-27?11:23??my_da\DSP28_DefaultIsr.h
?????文件????????2447??2002-05-27?11:23??my_da\DSP28_DevEmu.h
?????文件????????3941??2003-11-12?15:15??my_da\DSP28_Device.h
?????文件????????1159??2002-05-27?11:20??my_da\DSP28_ECan.c
?????文件???????46740??2002-05-27?11:24??my_da\DSP28_ECan.h
?????文件????????1153??2002-05-27?11:23??my_da\DSP28_Ev.c
?????文件???????20967??2002-05-27?11:24??my_da\DSP28_Ev.h
?????文件????????1281??2003-07-18?14:11??my_da\DSP28_GlobalPrototypes.h
?????文件????????3026??2002-05-27?11:21??my_da\DSP28_GlobalVariableDefs.c
?????文件????????1558??2006-07-30?16:26??my_da\DSP28_Gpio.c
?????文件???????29551??2002-05-24?09:11??my_da\DSP28_Gpio.h
?????文件????????1897??2005-02-16?10:01??my_da\DSP28_InitPeripherals.c
?????文件????????1186??2002-05-27?11:21??my_da\DSP28_Mcbsp.c
............此處省略47個文件信息