Rahul Pachpind
/
BOSCH_Temp
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main.cpp
00001 #include "mbed.h" 00002 00003 Serial pc(USBTX, USBRX); 00004 00005 AnalogIn vrefint1(PA_3); 00006 AnalogIn vrefint2(PC_0); 00007 AnalogIn vrefint3(PC_3); 00008 AnalogIn vrefint4(PF_3); 00009 AnalogIn vrefint5(PF_5); 00010 AnalogIn vrefint6(PF_10); 00011 AnalogIn vrefint7(PB_1); 00012 AnalogIn vrefint8(PA_6); 00013 00014 DigitalOut Buzzer(PA_5); 00015 00016 DigitalOut led1(PF_15); 00017 DigitalOut led2(PE_13); 00018 DigitalOut led3(PF_14); 00019 DigitalOut led4(PE_11); 00020 DigitalOut led5(PE_9); 00021 DigitalOut led6(PF_13); 00022 DigitalOut led7(PF_12); 00023 DigitalOut led8(PD_15); 00024 00025 00026 00027 int main() 00028 { 00029 Buzzer = 0; 00030 led1 = 0; 00031 led2 = 0; 00032 led3 = 0; 00033 led4 = 0; 00034 led5 = 0; 00035 led6 = 0; 00036 led7 = 0; 00037 led8 = 0; 00038 00039 float val1, val2, val3, val4, val5, val6, val7, val8; 00040 00041 float Volts1, Volts2, Volts3, Volts4, Volts5, Volts6, Volts7, Volts8; 00042 00043 float temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8; 00044 00045 float tempC1, tempC2, tempC3, tempC4, tempC5, tempC6, tempC7, tempC8; 00046 00047 float avg1[50], avg2[50], avg3[50], avg4[50], avg5[50], avg6[50], avg7[50], avg8[50]; 00048 00049 float totalavg1, totalavg2, totalavg3, totalavg4, totalavg5, totalavg6, totalavg7, totalavg8 = 0.0; 00050 00051 float Rx; 00052 00053 //for 3v 00054 //float C = -74.26; 00055 00056 //for 5v 00057 float C = 106.85; 00058 00059 //for 3.3v 00060 //float slope = 167.03; 00061 00062 00063 //for 5v 00064 float slope = 48.31; 00065 00066 //for sensor supply 5v adc reff 3.3v 1) 1.10 for 30 deg c 2) 0.09 fpr 30deg c 00067 //float C = 110.42; 00068 //float C = 88.9; 00069 //float slope = 14.21; 00070 //float slope = 20.73; 00071 00072 00073 00074 float calibration; 00075 00076 float R0 = 100.0; 00077 00078 float alpha = 0.00385; 00079 00080 float tempTh = 26; 00081 00082 while(true) 00083 { 00084 00085 for(int i=0; i < 50; i++) 00086 { 00087 val1 = vrefint1.read_u16(); 00088 //pc.printf("%3.2f",val1); 00089 //Volts1 = (val1/65536)*3.3; 00090 Volts1 = (val1/65536)*3.3; 00091 Rx = Volts1*slope+C; 00092 temp1= (Rx/R0-1.0)/alpha; 00093 calibration=0.3+(0.005*temp1); 00094 tempC1=temp1-calibration; 00095 avg1[i]=tempC1; 00096 00097 val2 = vrefint2.read_u16(); 00098 00099 Volts2 = (val2/65536)*3.3; 00100 Rx = Volts2*slope+C; 00101 temp2= (Rx/R0-1.0)/alpha; 00102 calibration=0.3+(0.005*temp2); 00103 tempC2=temp2-calibration; 00104 avg2[i]=tempC2; 00105 00106 val3 = vrefint3.read_u16(); 00107 00108 Volts3 = (val3/65536)*3.3; 00109 Rx = Volts3*slope+C; 00110 temp3= (Rx/R0-1.0)/alpha; 00111 calibration=0.3+(0.005*temp3); 00112 tempC3=temp3-calibration; 00113 avg3[i]=tempC3; 00114 00115 val4 = vrefint4.read_u16(); 00116 00117 Volts4 = (val4/65536)*3.3; 00118 Rx = Volts4*slope+C; 00119 temp4= (Rx/R0-1.0)/alpha; 00120 calibration=0.3+(0.005*temp4); 00121 tempC4=temp4-calibration; 00122 avg4[i]=tempC4; 00123 00124 val5 = vrefint5.read_u16(); 00125 00126 Volts5 = (val5/65536)*3.3; 00127 Rx = Volts5*slope+C; 00128 temp5= (Rx/R0-1.0)/alpha; 00129 calibration=0.3+(0.005*temp5); 00130 tempC5=temp5-calibration; 00131 avg5[i]=tempC5; 00132 00133 val6 = vrefint6.read_u16(); 00134 00135 Volts6 = (val6/65536)*3.3; 00136 Rx = Volts6*slope+C; 00137 temp6= (Rx/R0-1.0)/alpha; 00138 calibration=0.3+(0.005*temp6); 00139 tempC6=temp6-calibration; 00140 avg6[i]=tempC6; 00141 00142 val7 = vrefint7.read_u16(); 00143 00144 Volts7 = (val7/65536)*3.3; 00145 Rx = Volts7*slope+C; 00146 temp7= (Rx/R0-1.0)/alpha; 00147 calibration=0.3+(0.005*temp7); 00148 tempC7=temp7-calibration; 00149 avg7[i]=tempC7; 00150 00151 val8 = vrefint8.read_u16(); 00152 00153 Volts8 = (val8/65536)*3.3; 00154 Rx = Volts8*slope+C; 00155 temp8= (Rx/R0-1.0)/alpha; 00156 calibration=0.3+(0.005*temp8); 00157 tempC8=temp8-calibration; 00158 avg8[i]=tempC8; 00159 00160 wait(0.02); 00161 } 00162 00163 for(int j=0; j < 50; j++) 00164 { 00165 totalavg1 = totalavg1 + avg1[j]; 00166 totalavg2 = totalavg2 + avg2[j]; 00167 totalavg3 = totalavg3 + avg3[j]; 00168 totalavg4 = totalavg4 + avg4[j]; 00169 totalavg5 = totalavg5 + avg5[j]; 00170 totalavg6 = totalavg6 + avg6[j]; 00171 totalavg7 = totalavg7 + avg7[j]; 00172 totalavg8 = totalavg8 + avg8[j]; 00173 wait(0.01); 00174 } 00175 totalavg1 = (int)totalavg1/50; 00176 totalavg2 = (int)totalavg2/50; 00177 totalavg3 = (int)totalavg3/50; 00178 totalavg4 = (int)totalavg4/50; 00179 totalavg5 = (int)totalavg5/50; 00180 totalavg6 = (int)totalavg6/50; 00181 totalavg7 = (int)totalavg7/50; 00182 totalavg8 = (int)totalavg8/50; 00183 00184 totalavg1 -= 6; 00185 totalavg2 -= 2; 00186 totalavg3 -= 7; 00187 totalavg4 -= 2; 00188 totalavg5 -= 2; 00189 totalavg6 -= 2; 00190 totalavg7 -= 2; 00191 totalavg8 -= 2; 00192 00193 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); 00194 00195 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 )) 00196 Buzzer = 1; 00197 00198 else 00199 Buzzer = 0; 00200 00201 00202 if((totalavg1 >= tempTh) && (totalavg1 < 100)) 00203 { 00204 led1 = 1; 00205 //pc.printf("Relay 1 is ON\n"); 00206 } 00207 else 00208 { 00209 led1 = 0; 00210 //pc.printf("Relay 1 is OFF\n"); 00211 } 00212 totalavg1 = 0; 00213 00214 if((totalavg2 >= tempTh) && (totalavg2 < 100)) 00215 led2 = 1; 00216 else 00217 led2 = 0; 00218 totalavg2 = 0; 00219 00220 if((totalavg3 >= tempTh) && (totalavg3 < 100)) 00221 led3 = 1; 00222 else 00223 led3 = 0; 00224 totalavg3 = 0; 00225 00226 if((totalavg4 >= tempTh) && (totalavg4 < 100)) 00227 led4 = 1; 00228 else 00229 led4 = 0; 00230 totalavg4 = 0; 00231 00232 if((totalavg5 >= tempTh) && (totalavg5 < 100)) 00233 led5 = 1; 00234 else 00235 led5 = 0; 00236 totalavg5 = 0; 00237 00238 if((totalavg6 >= tempTh) && (totalavg6 < 100)) 00239 led6 = 1; 00240 else 00241 led6 = 0; 00242 totalavg6 = 0; 00243 00244 if((totalavg7 >= tempTh) && (totalavg7 < 100)) 00245 led7 = 1; 00246 else 00247 led7 = 0; 00248 totalavg7 = 0; 00249 00250 if((totalavg8 >= tempTh) && (totalavg8 < 100)) 00251 led8 = 1; 00252 else 00253 led8 = 0; 00254 totalavg8 = 0; 00255 00256 00257 wait(0.5f); 00258 //totalavg1, totalavg2, totalavg3, totalavg4, totalavg5, totalavg6, totalavg7, totalavg8 = 0.0; 00259 } 00260 }
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