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TC74 simple driver

 
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PICoHolic



Joined: 04 Jan 2005
Posts: 216

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TC74 simple driver
PostPosted: Thu May 10, 2007 5:17 am     Reply with quote

Code:

#ifndef  TC74
#define  TC74

#define TMP_write 0B10010000
#define TMP_read  0B10010001
#define _TMPREG_  0x00
#define _CONFREG_ 0x01

void TC74Init()
{
   i2c_start();
   i2c_write(TMP_write);
   i2c_write(_CONFREG_);
   i2c_write(0x00);
   i2c_stop();
}

byte  GetTemp()
{
   byte temp;
   i2c_start();
   i2c_write(TMP_write);
   i2c_write(_TMPREG_);
   i2c_start();      // restart
   i2c_write(TMP_read);
   temp = i2c_read(0);
   i2c_stop();
   return temp;
}

#endif
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