If you want values between x.0 and x.5 use this little improvement.
This reads 5 values. Every 100ms one, and after average them you get some nice
temperature value each 500ms.
But its just an idea to improve the output ;)
n8 everybody
///////////////////////////////////////////////////////
while(1)
{
temp05 = 0;
for(i=0; i<5; i++)
{
if ((rtc=ioctl(fd_i2c,_IO( ETRAXI2C_IOCTYPE, I2C_READ),
&i2c_d))!=EI2CNOERRORS)
{
close(fd_i2c);
printf( "Error %d on line %d\n",rtc,__LINE__);
return ( -1 );
}
temp05 += (float)((i2c_d.rbuf[0]<<8 | i2c_d.rbuf[1]) >>
7);
usleep(100000);
}
printf("Temperature: %3.1f°C\n", temp05/10);
}
///////////////////////////////////////////////////////
