Rahul Pachpind
this is BOSCH oil temp. measurement program write for STM32 (Nucleo- F746ZG)
Diff: main.cpp
- Revision:
- 0:a1e3728036c5
- Child:
- 1:e79bc88f73d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Nov 02 12:30:34 2020 +0000
@@ -0,0 +1,221 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+
+AnalogIn vrefint1(PA_3);
+AnalogIn vrefint2(PC_0);
+AnalogIn vrefint3(PC_3);
+AnalogIn vrefint4(PF_3);
+AnalogIn vrefint5(PF_5);
+AnalogIn vrefint6(PF_10);
+AnalogIn vrefint7(PB_1);
+AnalogIn vrefint8(PA_6);
+
+DigitalOut Buzzer(PA_5);
+
+DigitalOut led1(PF_15);
+DigitalOut led2(PE_13);
+DigitalOut led3(PF_14);
+DigitalOut led4(PE_11);
+DigitalOut led5(PE_9);
+DigitalOut led6(PF_13);
+DigitalOut led7(PF_12);
+DigitalOut led8(PD_15);
+
+
+
+int main()
+{
+ Buzzer = 1;
+ led1 = 1;
+ led2 = 1;
+ led3 = 1;
+ led4 = 1;
+ led5 = 1;
+ led6 = 1;
+ led7 = 1;
+ led8 = 1;
+
+ float val1, val2, val3, val4, val5, val6, val7, val8;
+
+ float Volts1, Volts2, Volts3, Volts4, Volts5, Volts6, Volts7, Volts8;
+
+ float temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;
+
+ float tempC1, tempC2, tempC3, tempC4, tempC5, tempC6, tempC7, tempC8;
+
+ float avg1[50], avg2[50], avg3[50], avg4[50], avg5[50], avg6[50], avg7[50], avg8[50];
+
+ float totalavg1, totalavg2, totalavg3, totalavg4, totalavg5, totalavg6, totalavg7, totalavg8 = 0.0;
+
+ float Rx;
+ //for 3v
+ //float C = -74.26;
+ //for 5v
+ float C = 106.85;
+ //for 3.3v
+ //float slope = 167.03;
+ //for 5v
+ float slope = 48.31;
+
+ float calibration;
+
+ float R0 = 100.0;
+
+ float alpha = 0.00385;
+
+ float tempTh = 30;
+
+ while(true)
+ {
+
+ for(int i=0; i < 50; i++)
+ {
+ val1 = vrefint1.read_u16();
+
+ Volts1 = (val1/65536)*3.3;
+ Rx = Volts1*slope+C;
+ temp1= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp1);
+ tempC1=temp1-calibration;
+ avg1[i]=tempC1;
+
+ val2 = vrefint2.read_u16();
+
+ Volts2 = (val2/65536)*3.3;
+ Rx = Volts2*slope+C;
+ temp2= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp2);
+ tempC2=temp2-calibration;
+ avg2[i]=tempC2;
+
+ val3 = vrefint3.read_u16();
+
+ Volts3 = (val3/65536)*3.3;
+ Rx = Volts3*slope+C;
+ temp3= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp3);
+ tempC3=temp3-calibration;
+ avg3[i]=tempC3;
+
+ val4 = vrefint4.read_u16();
+
+ Volts4 = (val4/65536)*3.3;
+ Rx = Volts4*slope+C;
+ temp4= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp4);
+ tempC4=temp4-calibration;
+ avg4[i]=tempC4;
+
+ val5 = vrefint5.read_u16();
+
+ Volts5 = (val5/65536)*3.3;
+ Rx = Volts5*slope+C;
+ temp5= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp5);
+ tempC5=temp5-calibration;
+ avg5[i]=tempC5;
+
+ val6 = vrefint6.read_u16();
+
+ Volts6 = (val6/65536)*3.3;
+ Rx = Volts6*slope+C;
+ temp6= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp6);
+ tempC6=temp6-calibration;
+ avg6[i]=tempC6;
+
+ val7 = vrefint7.read_u16();
+
+ Volts7 = (val7/65536)*3.3;
+ Rx = Volts7*slope+C;
+ temp7= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp7);
+ tempC7=temp7-calibration;
+ avg7[i]=tempC7;
+
+ val8 = vrefint8.read_u16();
+
+ Volts8 = (val8/65536)*3.3;
+ Rx = Volts8*slope+C;
+ temp8= (Rx/R0-1.0)/alpha;
+ calibration=0.3+(0.005*temp8);
+ tempC8=temp8-calibration;
+ avg8[i]=tempC8;
+
+ wait(0.01);
+ }
+
+ for(int j=0; j < 50; j++)
+ {
+ totalavg1 = totalavg1 + avg1[j];
+ totalavg2 = totalavg2 + avg2[j];
+ totalavg3 = totalavg3 + avg3[j];
+ totalavg4 = totalavg4 + avg4[j];
+ totalavg5 = totalavg5 + avg5[j];
+ totalavg6 = totalavg6 + avg6[j];
+ totalavg7 = totalavg7 + avg7[j];
+ totalavg8 = totalavg8 + avg8[j];
+ wait(0.01);
+ }
+
+ pc.printf("%3.2f %3.2f %3.2f %3.2f %3.2f %3.2f %3.2f %3.2f\n", totalavg1/50, totalavg2/50, totalavg3/50, totalavg4/50, totalavg5/50, totalavg6/50, totalavg7/50, totalavg8/50);
+
+ if((totalavg1 || totalavg2 || totalavg3 || totalavg4 || totalavg5 || totalavg6 || totalavg7 || totalavg8) > tempTh)
+ Buzzer = 0;
+ else
+ Buzzer = 1;
+
+ if(totalavg1 > tempTh)
+ led1 = 0;
+ else
+ led1 = 1;
+ totalavg1 = 0;
+
+ if(totalavg2 > tempTh)
+ led2 = 0;
+ else
+ led2 = 1;
+ totalavg2 = 0;
+
+ if(totalavg3 > tempTh)
+ led3 = 0;
+ else
+ led3 = 1;
+ totalavg3 = 0;
+
+ if(totalavg4 > tempTh)
+ led4 = 0;
+ else
+ led4 = 1;
+ totalavg4 = 0;
+
+ if(totalavg5 > tempTh)
+ led5 = 0;
+ else
+ led5 = 1;
+ totalavg5 = 0;
+
+ if(totalavg6 > tempTh)
+ led6 = 0;
+ else
+ led6 = 1;
+ totalavg6 = 0;
+
+ if(totalavg7 > tempTh)
+ led7 = 0;
+ else
+ led7 = 1;
+ totalavg7 = 0;
+
+ if(totalavg8 > tempTh)
+ led8 = 0;
+ else
+ led8 = 1;
+ totalavg8 = 0;
+
+
+ wait(0.5f);
+ //totalavg1, totalavg2, totalavg3, totalavg4, totalavg5, totalavg6, totalavg7, totalavg8 = 0.0;
+ }
+}
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