Datasheet

Data Sheet TMP05/TMP06
Rev. C | Page 23 of 28
}
void main(void)
{
double temp1=0,temp2=0;
double T1,T2,T3,T4,T5;
// Initialization
TMOD = 0x19; // Timer1 in 16-bit counter mode
// Timer0 in 16-bit counter mode
// with gate on INT0. Timer0 only counts when INTO pin // is high.
ET0 = 1; // Enable timer0 interrupts
ET1 = 1; // Enable timer1 interrupts
tempsegment = 1; // Initialize segment
Daisy_Start_Pulse = 0; // Pull P3.7 low
// Start Pulse
Daisy_Start_Pulse = 1;
Daisy_Start_Pulse = 0; //Toggle P3.7 to give start pulse
// Set T0 to count the high period
TR0 = 1; // Start timer0 running
IT0 = 1; // Interrupt0 edge triggered
EX0 = 1; // Enable interrupt
EA = 1; // Enable global interrupts
for(;;)
{
if (tempsegment == 4)
break;
}
//CONFIGURE UART
SCON = 0x52 ; // 8-bit, no parity, 1 stop bit
TMOD = 0x20 ; // Configure timer1..
TH1 = 0xFD ; // ..for 9600baud..
TR1 = 1; // ..(assuming 11.0592MHz crystal)
//Convert variables to floats for calculation
T1= temp_high0;
T2= temp_low0;
T3= temp_high1;
T4= temp_low1;
T5= temp_high2;
temp1=421-(751*(T1/(T2-T3)));
temp2=421-(751*(T3/(T4-T5)));
printf("Temp1 = %f\nTemp2 = %f\n",temp1,temp2); //Sends temperature result out UART
while (1); // END of program
}
// Delay routine
void delay(int length)
{
while (length >=0)
length--;
}