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measuring the salinity
Dependencies: LinearAnalogSensors mbed
Fork of mbed_measuring_temperature by
main.cpp@10:3d1ffeb39123, 2016-06-14 (annotated)
- Committer:
- ekasinambela
- Date:
- Tue Jun 14 13:42:14 2016 +0000
- Revision:
- 10:3d1ffeb39123
- Parent:
- 7:b0d12907493f
- Child:
- 11:af86c88a58ba
add the initial procedure before the system start
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ekasinambela | 0:da915495c7fc | 1 | #include "mbed.h" |
ekasinambela | 3:5baf5ad00c1c | 2 | #include <cmath> |
ekasinambela | 7:b0d12907493f | 3 | #include <stdio.h> |
ekasinambela | 7:b0d12907493f | 4 | #include <math.h> |
ekasinambela | 2:1aab63839dba | 5 | //#include <LinearTemp.h> |
ekasinambela | 7:b0d12907493f | 6 | #include "mbed.h" |
ekasinambela | 7:b0d12907493f | 7 | #include "TextLCD.h" |
ekasinambela | 2:1aab63839dba | 8 | |
ekasinambela | 7:b0d12907493f | 9 | TextLCD lcd(p19, p20, p21, p22, p23, p24); // rs, e, d4-d7 |
ekasinambela | 0:da915495c7fc | 10 | Serial pc(USBTX, USBRX); |
ekasinambela | 0:da915495c7fc | 11 | DigitalOut myled1(LED1), myled2(LED2); |
ekasinambela | 3:5baf5ad00c1c | 12 | AnalogIn pin_1(p16), pin_2(p15), pin_3(p17) ; |
ekasinambela | 6:9de0807e2855 | 13 | AnalogOut pin_18 (p18); |
ekasinambela | 10:3d1ffeb39123 | 14 | DigitalIn switchinput(p7); |
ekasinambela | 2:1aab63839dba | 15 | //LinearTemp mysensor(p15, 0.0050354, -273.15); |
ekasinambela | 2:1aab63839dba | 16 | |
ekasinambela | 5:d2b58a5771d7 | 17 | char program_name[128] = "G3-Waterplay Project"; |
ekasinambela | 7:b0d12907493f | 18 | float roundvalue = 0; |
mariosimaremare | 1:6476db5e52e8 | 19 | |
ekasinambela | 4:49b028845be4 | 20 | void salinityMeasurement(); |
ekasinambela | 4:49b028845be4 | 21 | void temperatureMeasurement(); |
ekasinambela | 10:3d1ffeb39123 | 22 | void initialization (); |
mariosimaremare | 1:6476db5e52e8 | 23 | int main() |
mariosimaremare | 1:6476db5e52e8 | 24 | { |
ekasinambela | 10:3d1ffeb39123 | 25 | |
ekasinambela | 10:3d1ffeb39123 | 26 | initialization(); |
ekasinambela | 10:3d1ffeb39123 | 27 | |
ekasinambela | 2:1aab63839dba | 28 | while(1){ |
ekasinambela | 6:9de0807e2855 | 29 | wait(2); |
ekasinambela | 4:49b028845be4 | 30 | salinityMeasurement(); |
ekasinambela | 4:49b028845be4 | 31 | temperatureMeasurement(); |
ekasinambela | 0:da915495c7fc | 32 | } |
ekasinambela | 0:da915495c7fc | 33 | } |
ekasinambela | 4:49b028845be4 | 34 | |
ekasinambela | 4:49b028845be4 | 35 | //salinity function |
ekasinambela | 4:49b028845be4 | 36 | void salinityMeasurement(){ |
ekasinambela | 4:49b028845be4 | 37 | float f = pin_1.read(); |
ekasinambela | 4:49b028845be4 | 38 | |
ekasinambela | 4:49b028845be4 | 39 | float vin = f * 3.3; |
ekasinambela | 4:49b028845be4 | 40 | float divider = (float)5/ (float)3; |
ekasinambela | 4:49b028845be4 | 41 | float vout = vin * divider; |
ekasinambela | 4:49b028845be4 | 42 | |
ekasinambela | 4:49b028845be4 | 43 | //measure the salinity |
ekasinambela | 6:9de0807e2855 | 44 | float salt = 16.3 * vout; |
ekasinambela | 6:9de0807e2855 | 45 | pc.printf("vin: %f, vout: %f, salt: %f \n\r", vin, vout, salt); |
ekasinambela | 7:b0d12907493f | 46 | roundvalue = (float)floor((salt*100.0) + 0.5)/100.0; |
ekasinambela | 7:b0d12907493f | 47 | lcd.printf("Sal: %g \n", roundvalue); |
ekasinambela | 4:49b028845be4 | 48 | } |
ekasinambela | 4:49b028845be4 | 49 | |
ekasinambela | 4:49b028845be4 | 50 | //temperature function |
ekasinambela | 4:49b028845be4 | 51 | void temperatureMeasurement(){ |
ekasinambela | 4:49b028845be4 | 52 | //measure the temperature |
ekasinambela | 4:49b028845be4 | 53 | double f2 = pin_2.read(); |
ekasinambela | 4:49b028845be4 | 54 | double vin = f2 * 4.85; |
ekasinambela | 4:49b028845be4 | 55 | double divider = (double)5/ (double)3; |
ekasinambela | 4:49b028845be4 | 56 | double vout = vin * divider; |
ekasinambela | 4:49b028845be4 | 57 | |
ekasinambela | 4:49b028845be4 | 58 | double RT = (vout * (double)15000) / (4.85 - vout); |
ekasinambela | 4:49b028845be4 | 59 | double K0 = 0.00102119; |
ekasinambela | 4:49b028845be4 | 60 | double K1 = 0.000222468 * (log(RT)); |
ekasinambela | 4:49b028845be4 | 61 | double K2 = double (1.33342 * pow (10.0, -7.0)) * pow ((double)log(RT), 3.0); |
ekasinambela | 4:49b028845be4 | 62 | double TKelvin = 1.0 / (K0 + K1 + K2); |
ekasinambela | 4:49b028845be4 | 63 | double Celcius = (TKelvin - 273.15)+5.0; |
ekasinambela | 4:49b028845be4 | 64 | |
ekasinambela | 6:9de0807e2855 | 65 | //pc.printf("K0: %f, K1: %f, K2: %f \n\r", K0, K1, K2); |
ekasinambela | 6:9de0807e2855 | 66 | //pc.printf("vin: %f, vout: %f, temperature: %f \n\r", vin, vout, Celcius); |
ekasinambela | 6:9de0807e2855 | 67 | pc.printf("vin: %f, vout: %f, temperature: %f \n\r",vin, vout, Celcius); |
ekasinambela | 7:b0d12907493f | 68 | roundvalue = (float)floor((Celcius*100.0) + 0.5)/100.0; |
ekasinambela | 7:b0d12907493f | 69 | lcd.printf("Temp: %g \n", roundvalue); |
ekasinambela | 6:9de0807e2855 | 70 | |
ekasinambela | 7:b0d12907493f | 71 | if (Celcius < 30){ |
ekasinambela | 6:9de0807e2855 | 72 | pin_18 = 1; |
ekasinambela | 6:9de0807e2855 | 73 | myled1 = 1; |
ekasinambela | 6:9de0807e2855 | 74 | }else{ |
ekasinambela | 6:9de0807e2855 | 75 | pin_18 = 0; |
ekasinambela | 6:9de0807e2855 | 76 | myled1 = 0; |
ekasinambela | 6:9de0807e2855 | 77 | } |
ekasinambela | 4:49b028845be4 | 78 | } |
ekasinambela | 10:3d1ffeb39123 | 79 | |
ekasinambela | 10:3d1ffeb39123 | 80 | void initialization(){ |
ekasinambela | 10:3d1ffeb39123 | 81 | int message=0; |
ekasinambela | 10:3d1ffeb39123 | 82 | while (message<8){ |
ekasinambela | 10:3d1ffeb39123 | 83 | |
ekasinambela | 10:3d1ffeb39123 | 84 | |
ekasinambela | 10:3d1ffeb39123 | 85 | |
ekasinambela | 10:3d1ffeb39123 | 86 | if (message==0){ |
ekasinambela | 10:3d1ffeb39123 | 87 | lcd.printf("Check the water tank \n"); |
ekasinambela | 10:3d1ffeb39123 | 88 | } |
ekasinambela | 10:3d1ffeb39123 | 89 | |
ekasinambela | 10:3d1ffeb39123 | 90 | if (message==1){ |
ekasinambela | 10:3d1ffeb39123 | 91 | lcd.printf("Check the solution tank \n"); |
ekasinambela | 10:3d1ffeb39123 | 92 | } |
ekasinambela | 10:3d1ffeb39123 | 93 | if (message==2){ |
ekasinambela | 10:3d1ffeb39123 | 94 | lcd.printf("Check the water tube \n"); |
ekasinambela | 10:3d1ffeb39123 | 95 | } |
ekasinambela | 10:3d1ffeb39123 | 96 | if (message==3){ |
ekasinambela | 10:3d1ffeb39123 | 97 | lcd.printf("Check the salinity tube \n"); |
ekasinambela | 10:3d1ffeb39123 | 98 | } |
ekasinambela | 10:3d1ffeb39123 | 99 | if (message==4){ |
ekasinambela | 10:3d1ffeb39123 | 100 | lcd.printf("Check the valves position \n"); |
ekasinambela | 10:3d1ffeb39123 | 101 | } |
ekasinambela | 10:3d1ffeb39123 | 102 | if (message==5){ |
ekasinambela | 10:3d1ffeb39123 | 103 | lcd.printf("Check the syrenge \n"); |
ekasinambela | 10:3d1ffeb39123 | 104 | } |
ekasinambela | 10:3d1ffeb39123 | 105 | if (message==6){ |
ekasinambela | 10:3d1ffeb39123 | 106 | lcd.printf("Check the sensor position \n"); |
ekasinambela | 10:3d1ffeb39123 | 107 | } |
ekasinambela | 10:3d1ffeb39123 | 108 | if (message==7){ |
ekasinambela | 10:3d1ffeb39123 | 109 | lcd.printf("Check the thermostat \n"); |
ekasinambela | 10:3d1ffeb39123 | 110 | } |
ekasinambela | 10:3d1ffeb39123 | 111 | |
ekasinambela | 10:3d1ffeb39123 | 112 | if (switchinput==1){ |
ekasinambela | 10:3d1ffeb39123 | 113 | message++; |
ekasinambela | 10:3d1ffeb39123 | 114 | wait(2); |
ekasinambela | 10:3d1ffeb39123 | 115 | lcd.cls(); |
ekasinambela | 10:3d1ffeb39123 | 116 | } |
ekasinambela | 10:3d1ffeb39123 | 117 | |
ekasinambela | 10:3d1ffeb39123 | 118 | } |
ekasinambela | 10:3d1ffeb39123 | 119 | |
ekasinambela | 10:3d1ffeb39123 | 120 | lcd.printf("System will start in 2 sec \n"); |
ekasinambela | 10:3d1ffeb39123 | 121 | wait(2); |
ekasinambela | 10:3d1ffeb39123 | 122 | lcd.cls(); |
ekasinambela | 10:3d1ffeb39123 | 123 | } |
ekasinambela | 10:3d1ffeb39123 | 124 | |
ekasinambela | 10:3d1ffeb39123 | 125 | |
ekasinambela | 10:3d1ffeb39123 | 126 | |
ekasinambela | 10:3d1ffeb39123 | 127 | |
ekasinambela | 4:49b028845be4 | 128 | |
ekasinambela | 4:49b028845be4 | 129 |