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  • 大小: 2KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-09
  • 語言: 其他
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資源簡介

I2C協議驅動ads1115,16高精度AD模塊,測量范圍±256mV到±6.128V,PGA調整,msp430f149單片機

資源截圖

代碼片段和文件信息

#include?“../inc/ads1115.h“
#include?“math.h“


/*******************配置寄存器*********************/
unsigned?char?Confige_1115(void)
{
??//int?k=0;
??unsigned?char?Initdata1[4]={0};
????Initdata1[0]?=0x90;???????//?啟動配置命令
????Initdata1[1]?=0x01;???????//?指向配置寄存器
????Initdata1[2]?=0xD2;????????//配置字高字節????0001?0100選擇0通道?參考電壓2.048v
????//若改為單端輸入?則應配置為0x44??差分輸入0.3時應配置0x14

????Initdata1[3]?=0x83;???????//?配置字低字節????1000?0011選擇128sps
??//??????SCL_H;
????start();
????Send1byte(Initdata1[0]);
????if(judgeack()==0)
????Send1byte(Initdata1[1]);
????else
??????return?0;
????if(judgeack()==0)
????Send1byte(Initdata1[2]);
????else
??????return?0;
????if(judgeack()==0)
????Send1byte(Initdata1[3]);
????else
??????return?0;
????if(judgeack()==0)
????stop();
????else
??????return?0;
????delay_();
???return?1;
}



/************指向轉換寄存器***************/
unsigned?char?Point_reg(void)
{
//int?m=0;
????????unsigned?char?Initdata2[2]={0};
Initdata2[0]?=0x90;???????????//?地址?+?寫命令
Initdata2[1]?=0x00;????????????//?指向轉換結果寄存器
??start();
??????????Send1byte(Initdata2[0]);
??????????if(judgeack()==0)
??????????Send1byte(Initdata2[1]);
??????????else
????????????return?0;
??????????if(judgeack()==0)
??????????stop();
??????????else
????????????return?0;
??????????delay_();
??????????return?1;
}


/**************讀取轉換結果***************/
unsigned?int?Read_1115(void)
{
??unsigned?int???ResultLResultH;
??unsigned?int????Result=0;
??start();
??Send1byte(0x91);
??if(judgeack()==1)
??{
?????return?1;
??}
??ResultH=Read1byte();
??ack();
??ResultL=Read1byte();
??ack();
??stop();
??Result?=?(ResultH<<8)?+?ResultL;
??printf(“Result?=?%u“Result);
??return??Result;
}


//

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

?????文件???????1923??2018-05-06?14:02??ads1115\1115.c

?????文件???????2907??2018-05-06?14:02??ads1115\1115.h

?????目錄??????????0??2018-05-06?14:02??ads1115

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

?????????????????4830????????????????????3


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