![](/media/cache/profiles/rahul_pachpind-20171206-0003_1526312799739.jpg.50x50_q85.jpg)
this is BOSCH oil temp. measurement program write for STM32 (Nucleo- F746ZG)
Revision 1:e79bc88f73d6, committed 2021-01-13
- Comitter:
- rahulp5
- Date:
- Wed Jan 13 08:20:53 2021 +0000
- Parent:
- 0:a1e3728036c5
- Commit message:
- change temp to 25
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Nov 02 12:30:34 2020 +0000 +++ b/main.cpp Wed Jan 13 08:20:53 2021 +0000 @@ -26,15 +26,15 @@ int main() { - Buzzer = 1; - led1 = 1; - led2 = 1; - led3 = 1; - led4 = 1; - led5 = 1; - led6 = 1; - led7 = 1; - led8 = 1; + Buzzer = 0; + led1 = 0; + led2 = 0; + led3 = 0; + led4 = 0; + led5 = 0; + led6 = 0; + led7 = 0; + led8 = 0; float val1, val2, val3, val4, val5, val6, val7, val8; @@ -49,22 +49,35 @@ 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; + //for sensor supply 5v adc reff 3.3v 1) 1.10 for 30 deg c 2) 0.09 fpr 30deg c + //float C = 110.42; + //float C = 88.9; + //float slope = 14.21; + //float slope = 20.73; + + + float calibration; float R0 = 100.0; float alpha = 0.00385; - float tempTh = 30; + float tempTh = 26; while(true) { @@ -72,7 +85,8 @@ for(int i=0; i < 50; i++) { val1 = vrefint1.read_u16(); - + //pc.printf("%3.2f",val1); + //Volts1 = (val1/65536)*3.3; Volts1 = (val1/65536)*3.3; Rx = Volts1*slope+C; temp1= (Rx/R0-1.0)/alpha; @@ -143,7 +157,7 @@ tempC8=temp8-calibration; avg8[i]=tempC8; - wait(0.01); + wait(0.02); } for(int j=0; j < 50; j++) @@ -158,60 +172,85 @@ 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); + totalavg1 = (int)totalavg1/50; + totalavg2 = (int)totalavg2/50; + totalavg3 = (int)totalavg3/50; + totalavg4 = (int)totalavg4/50; + totalavg5 = (int)totalavg5/50; + totalavg6 = (int)totalavg6/50; + totalavg7 = (int)totalavg7/50; + totalavg8 = (int)totalavg8/50; - if((totalavg1 || totalavg2 || totalavg3 || totalavg4 || totalavg5 || totalavg6 || totalavg7 || totalavg8) > tempTh) - Buzzer = 0; + totalavg1 -= 6; + totalavg2 -= 2; + totalavg3 -= 7; + totalavg4 -= 2; + totalavg5 -= 2; + totalavg6 -= 2; + totalavg7 -= 2; + totalavg8 -= 2; + + pc.printf("%3.2f %3.2f %3.2f %3.2f %3.2f %3.2f %3.2f %3.2f\n", totalavg1, totalavg2, totalavg3, totalavg4, totalavg5, totalavg6, totalavg7, totalavg8); + + if((totalavg1 >= tempTh && totalavg1 < 100 ) || (totalavg2 >= tempTh && totalavg2 < 100 ) || (totalavg3 >= tempTh && totalavg3 < 100 ) || (totalavg4 >= tempTh && totalavg4 < 100) || (totalavg5 >= tempTh && totalavg5 < 100 ) || (totalavg6 >= tempTh && totalavg6 < 100) || (totalavg7 >= tempTh && totalavg7 < 100 ) || (totalavg8 >= tempTh && totalavg8 < 100 )) + Buzzer = 1; + else - Buzzer = 1; + Buzzer = 0; + - if(totalavg1 > tempTh) + if((totalavg1 >= tempTh) && (totalavg1 < 100)) + { + led1 = 1; + //pc.printf("Relay 1 is ON\n"); + } + else + { led1 = 0; - else - led1 = 1; + //pc.printf("Relay 1 is OFF\n"); + } totalavg1 = 0; - if(totalavg2 > tempTh) + if((totalavg2 >= tempTh) && (totalavg2 < 100)) + led2 = 1; + else led2 = 0; - else - led2 = 1; totalavg2 = 0; - if(totalavg3 > tempTh) + if((totalavg3 >= tempTh) && (totalavg3 < 100)) + led3 = 1; + else led3 = 0; - else - led3 = 1; totalavg3 = 0; - if(totalavg4 > tempTh) + if((totalavg4 >= tempTh) && (totalavg4 < 100)) + led4 = 1; + else led4 = 0; - else - led4 = 1; totalavg4 = 0; - if(totalavg5 > tempTh) + if((totalavg5 >= tempTh) && (totalavg5 < 100)) + led5 = 1; + else led5 = 0; - else - led5 = 1; totalavg5 = 0; - if(totalavg6 > tempTh) + if((totalavg6 >= tempTh) && (totalavg6 < 100)) + led6 = 1; + else led6 = 0; - else - led6 = 1; totalavg6 = 0; - if(totalavg7 > tempTh) + if((totalavg7 >= tempTh) && (totalavg7 < 100)) + led7 = 1; + else led7 = 0; - else - led7 = 1; totalavg7 = 0; - if(totalavg8 > tempTh) + if((totalavg8 >= tempTh) && (totalavg8 < 100)) + led8 = 1; + else led8 = 0; - else - led8 = 1; totalavg8 = 0;