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標題:
AD1100.h單片機驅動源碼
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作者:
taiyue
時間:
2019-9-29 17:42
標題:
AD1100.h單片機驅動源碼
僅供學習
單片機源程序如下:
#include<intrins.h>
sbit SDA=P1^0;
sbit SCL=P1^1;
#define VREF 5.0
/****************開始位********************/
void start()
{
SDA = 1;
SCL = 1;
delaynus(50);
SDA = 0;
delaynus(50);
SCL = 0;
}
// 停止位
void stop()
{
SDA = 0;
delaynus(50);
SCL = 1;
delaynus(50);
SDA = 1;
}
bit ACK()
{
bit ack_bit;
SCL = 1;
delaynus(50);
ack_bit = SDA;
SCL = 0;
return ack_bit;
}
unsigned char ReadData()
{
unsigned char i;
unsigned char x;
for(i = 0; i < 8; i++)
{
SCL = 1;
x<<=1;
x|=(unsigned char)SDA;
SCL = 0;
}
return(x);
}
void WriteCurrent(unsigned char y)
{
unsigned char i;
for(i = 0; i < 8; i++)
{
SDA = (bit)(y&0x80);
delaynus(50);
SCL = 1;
delaynus(50);
SCL = 0;
y <<= 1;
}
}
float ReadVoltage()
{
unsigned char dat1,dat2;
unsigned int dat3;
start();
WriteCurrent(0x97);
ACK();
dat1=ReadData();
ACK();
dat2=ReadData();
ACK();
dat3=ReadData();
ACK();
stop();
delay(20);
dat3=(int)(dat1*256+dat2);
return (dat3*VREF/32768);
}
/*
*配置寄存器
*BIT 7 6 5 4 3 2 1 0
* ST/BSY 0 0 SC |DR1 DR0| |PGA1 PGA0|
*/
void AD1100_initi(unsigned char com)
{
start();
WriteCurrent(0x96);
ACK();
WriteCurrent(com);
ACK();
stop();
delay(10);
}
復制代碼
所有資料51hei提供下載:
AD1100.zip
(56.68 KB, 下載次數: 5)
2019-9-29 17:42 上傳
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下載積分: 黑幣 -5
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