#include
#include
#include


#define?CS_H??P1OUT|=BIT3
#define?CS_L??P1OUT&=~BIT3
#define?SCLK_H??P1OUT|=BIT4
#define?SCLK_L??P1OUT&=~BIT4
#define?DIN_H???P1OUT|=BIT5
#define?DIN_L???P1OUT&=~BIT5

unsigned?int?sin_table[40]=
{
32768	37893	42893	47643	52027	55937	59276	61963	63931	65131	65530	
65132	63932	61964	59278	55939	52030	47646	42896	37896	32771	27645
22645	17894	13510	9600	6260	3573	1605	404	0	403	1602	
3569	6255	9594	13503	17886	22636	27636

};

void?init_clk（）
{
?unsigned?char?i;??????
?BCSCTL1&=~XT2OFF;?????//???打開XT振蕩器
?BCSCTL2|=SELM1+SELS;??//???MCLK為8MSMCLK為1M
?do
?{
?IFG1&=~OFIFG;?????????//???清除振蕩器錯誤標(biāo)志
?for（i=0;i<100;i++）
???_NOP（）;?????????????//???延時等待
?}
?while（（IFG1&OFIFG）!=0）;?//如果標(biāo)志為1，則繼續(xù)循環(huán)等待
?IFG1&=~OFIFG;
}
void?DAC8831（unsigned?int?data）
{
????unsigned?char?ij;
????CS_L;
????for（i=0;i<=15;i++）
????{
??????SCLK_L;
????j=data&0x8000;
????if（j）
??????DIN_H;
????else?DIN_L;
??????SCLK_H;
????data=data<<1;
????}
????CS_H;
}
???void?mian（）
????{
??????unsigned?char?i=0;
????WDTCTL?=?WDTPW?+?WDTHOLD;
????init_clk（）;
????P1DIR=0XFF;
????for（;;）
????{
??????for（i=0;i<40;i++）
????????DAC8831（sin_table[i]）;
????}
????}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2513??2010-09-12?16:43??DAC8831\DAC8831.dep

?????文件??????13743??2010-09-12?16:41??DAC8831\DAC8831.ewd

?????文件??????46737??2010-09-12?16:43??DAC8831\DAC8831.ewp

?????文件????????161??2010-09-12?16:11??DAC8831\DAC8831.eww

?????文件??????10083??2010-09-12?16:41??DAC8831\Debug\Obj\main.r43

?????文件???????1318??2010-09-12?16:17??DAC8831\main.c

?????文件???????2160??2010-09-12?16:43??DAC8831\settings\DAC8831.cspy.bat

?????文件?????????63??2010-09-12?16:43??DAC8831\settings\DAC8831.dbgdt

?????文件????????610??2010-09-12?16:43??DAC8831\settings\DAC8831.dni

?????文件???????3906??2010-09-12?16:43??DAC8831\settings\DAC8831.wsdt

?????目錄??????????0??2010-09-12?16:43??DAC8831\Debug\Exe

?????目錄??????????0??2010-09-12?16:11??DAC8831\Debug\List

?????目錄??????????0??2010-09-12?16:41??DAC8831\Debug\Obj

?????目錄??????????0??2010-09-12?16:11??DAC8831\Debug

?????目錄??????????0??2010-09-12?16:43??DAC8831\settings

?????目錄??????????0??2010-09-12?16:41??DAC8831

-----------?---------??----------?-----??----

????????????????81294????????????????????16