Lauren Tolliday Nixon / Mbed 2 deprecated Greenhouse_project_comnplete

Strawberry_Greenhouse_V1.0

Dependencies:   mbed C12832 Servo HCSR04 DHT DHT11

main.cpp@2:2621304bdec1, 2021-10-19 (annotated)

Committer:
tollidal
Date:
Tue Oct 19 18:55:00 2021 +0000
Revision:
2:2621304bdec1
Parent:
1:81cec44cec2e
Child:
3:fdbd4ffb9ca6
Strawberry Greenhouse V1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbrown57 0:c48b28944702 1 #include "mbed.h"
jbrown57 0:c48b28944702 2 #include "C12832.h"
jbrown57 0:c48b28944702 3 #include "tank.h"
jbrown57 0:c48b28944702 4 #include "HCSR04.h"
tollidal 2:2621304bdec1 5 #include "DHT.h"
tollidal 2:2621304bdec1 6 #include "Servo.h"
jbrown57 0:c48b28944702 7
jbrown57 0:c48b28944702 8
jbrown57 0:c48b28944702 9 C12832 lcd(p5, p7, p6, p8, p11); // LCD screen
jbrown57 0:c48b28944702 10 PwmOut r (p23); // r = red LED
jbrown57 0:c48b28944702 11 PwmOut g (p24); // g = green LED
tollidal 2:2621304bdec1 12 HCSR04 sensor(p9, p20); // ultrasonic distance sensor
tollidal 2:2621304bdec1 13 DHT sensorB(p16,DHT11); // DHT11 temp & humi sensor
tollidal 2:2621304bdec1 14 DigitalOut fan(p18); //grove relay control DC fan
tollidal 2:2621304bdec1 15 DigitalOut myled(p14); //assigning greenled as digital output pin14
tollidal 2:2621304bdec1 16 AnalogIn ldr(p15); //assigning ldr as analog input p15
tollidal 2:2621304bdec1 17 AnalogIn soil_moisture(p19); //soil moisture sensor
tollidal 2:2621304bdec1 18 Servo myservo(p21); //servo
tollidal 2:2621304bdec1 19
jbrown57 0:c48b28944702 20
jbrown57 0:c48b28944702 21 int main()
jbrown57 0:c48b28944702 22
jbrown57 0:c48b28944702 23 {
tollidal 2:2621304bdec1 24 while(1)
tollidal 2:2621304bdec1 25 {
tollidal 2:2621304bdec1 26
tollidal 2:2621304bdec1 27
tollidal 2:2621304bdec1 28 //water tank level system
jbrown57 0:c48b28944702 29
jbrown57 0:c48b28944702 30 //welcome message on LCD
jbrown57 0:c48b28944702 31
tollidal 2:2621304bdec1 32 lcd.cls();
jbrown57 0:c48b28944702 33
jbrown57 0:c48b28944702 34 lcd.locate(25,5);
jbrown57 0:c48b28944702 35
jbrown57 0:c48b28944702 36 lcd.printf("Tank Water Level");
jbrown57 0:c48b28944702 37
jbrown57 0:c48b28944702 38 lcd.locate(2,15);
jbrown57 0:c48b28944702 39
jbrown57 0:c48b28944702 40 lcd.printf("Greenhouse Control System");
jbrown57 0:c48b28944702 41
jbrown57 0:c48b28944702 42 wait(2.5);
jbrown57 0:c48b28944702 43
jbrown57 0:c48b28944702 44 lcd.cls(); //clear LCD
jbrown57 0:c48b28944702 45
jbrown57 1:81cec44cec2e 46
jbrown57 0:c48b28944702 47 Timer timer;
jbrown57 0:c48b28944702 48
jbrown57 0:c48b28944702 49 {
jbrown57 0:c48b28944702 50
jbrown57 0:c48b28944702 51 sensor.setRanges(0, 500); // water tank level 500mm
jbrown57 0:c48b28944702 52
jbrown57 0:c48b28944702 53
jbrown57 0:c48b28944702 54
jbrown57 1:81cec44cec2e 55 lcd.print_bm(bitmEmptyTank,80,0); // print Empty Tank at location x=80, y=0
jbrown57 0:c48b28944702 56 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 57 //if needed: lcd.locate(0,10);
jbrown57 0:c48b28944702 58 //if needed: lcd.printf("Min. range = %g cm\n\rMax. range = %g cm\n\r",
jbrown57 0:c48b28944702 59 //If needed: sensor.getMinRange(), sensor.getMaxRange());
jbrown57 0:c48b28944702 60
tollidal 2:2621304bdec1 61
jbrown57 0:c48b28944702 62 timer.reset();
jbrown57 0:c48b28944702 63 timer.start();
jbrown57 0:c48b28944702 64 sensor.startMeasurement();
tollidal 2:2621304bdec1 65 /*while(!sensor.isNewDataReady()) {*/
jbrown57 0:c48b28944702 66 // wait for new data
jbrown57 0:c48b28944702 67 // waiting time depends on the distance
jbrown57 0:c48b28944702 68 }
jbrown57 0:c48b28944702 69 lcd.locate(20,5);
jbrown57 0:c48b28944702 70 lcd.printf("Distance:");
jbrown57 0:c48b28944702 71 lcd.locate(20,17);
jbrown57 0:c48b28944702 72 lcd.printf ("%5.1f mm\r", sensor.getDistance_mm());
jbrown57 0:c48b28944702 73 timer.stop();
jbrown57 0:c48b28944702 74 wait_ms(500 - timer.read_ms()); // time the loop
jbrown57 0:c48b28944702 75
jbrown57 0:c48b28944702 76 //turn RGB LED red if distance >400mm
tollidal 2:2621304bdec1 77
jbrown57 1:81cec44cec2e 78 if( sensor.getDistance_mm()< 400) r= 1; //red light on
jbrown57 0:c48b28944702 79 else r = 0;
jbrown57 0:c48b28944702 80
jbrown57 1:81cec44cec2e 81 if( sensor.getDistance_mm()> 400) g=1; //green light on
jbrown57 0:c48b28944702 82 else g=0; //green light off
jbrown57 0:c48b28944702 83
jbrown57 0:c48b28944702 84
jbrown57 0:c48b28944702 85 if( sensor.getDistance_mm() < 40 ) lcd.print_bm(bitmTank,80,0); //full tank
jbrown57 0:c48b28944702 86 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 87 if( sensor.getDistance_mm() > 80 ) lcd.print_bm(bitmNinetyTank,80,0); //90% full tank
jbrown57 0:c48b28944702 88 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 89 if( sensor.getDistance_mm() > 120 ) lcd.print_bm(bitmEightyTank,80,0); //80% full tank
jbrown57 0:c48b28944702 90 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 91 if( sensor.getDistance_mm() > 160 ) lcd.print_bm(bitmSeventyTank,80,0); //70% full tank
jbrown57 0:c48b28944702 92 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 93 if( sensor.getDistance_mm() > 200 ) lcd.print_bm(bitmSixtyTank,80,0); //60% full tank
jbrown57 0:c48b28944702 94 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 95 if( sensor.getDistance_mm() > 240 ) lcd.print_bm(bitmFiftyTank,80,0); //50% full tank
jbrown57 0:c48b28944702 96 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 97 if( sensor.getDistance_mm() > 280 ) lcd.print_bm(bitmFourtyTank,80,0); //40% full tank
jbrown57 0:c48b28944702 98 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 99 if( sensor.getDistance_mm() > 320 ) lcd.print_bm(bitmThirtyTank,80,0); //30% full tank
jbrown57 0:c48b28944702 100 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 101 if( sensor.getDistance_mm() > 360 ) lcd.print_bm(bitmTwentyTank,80,0); //20% full tank
jbrown57 0:c48b28944702 102 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 103 if( sensor.getDistance_mm() > 400 ) lcd.print_bm(bitmTenTank,80,0); //10% full tank
jbrown57 0:c48b28944702 104 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 105 if( sensor.getDistance_mm() > 440 ) lcd.print_bm(bitmEmptyTank,80,0); //empty tank
jbrown57 0:c48b28944702 106 lcd.copy_to_lcd();
jbrown57 0:c48b28944702 107
jbrown57 1:81cec44cec2e 108
tollidal 2:2621304bdec1 109
tollidal 2:2621304bdec1 110 wait (10.0f);
tollidal 2:2621304bdec1 111
tollidal 2:2621304bdec1 112
tollidal 2:2621304bdec1 113 //Temperature Control System
tollidal 2:2621304bdec1 114
tollidal 2:2621304bdec1 115
tollidal 2:2621304bdec1 116 //system welcome message on LCD
tollidal 2:2621304bdec1 117
tollidal 2:2621304bdec1 118 lcd.cls();
tollidal 2:2621304bdec1 119
tollidal 2:2621304bdec1 120 lcd.locate(15,5);
tollidal 2:2621304bdec1 121
tollidal 2:2621304bdec1 122 lcd.printf("Temp & Humidi Level");
tollidal 2:2621304bdec1 123
tollidal 2:2621304bdec1 124 lcd.locate(2,15);
tollidal 2:2621304bdec1 125
tollidal 2:2621304bdec1 126 lcd.printf("Greenhouse Control System");
tollidal 2:2621304bdec1 127
tollidal 2:2621304bdec1 128 wait(2.5);
tollidal 2:2621304bdec1 129
tollidal 2:2621304bdec1 130 lcd.cls(); //clear LCD
jbrown57 0:c48b28944702 131
jbrown57 0:c48b28944702 132
tollidal 2:2621304bdec1 133 int error = 0;
tollidal 2:2621304bdec1 134 float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
tollidal 2:2621304bdec1 135 lcd.cls();
tollidal 2:2621304bdec1 136 char tmpString[16];
tollidal 2:2621304bdec1 137 int temp_format = 0;
tollidal 2:2621304bdec1 138 int humid_format = 0;
tollidal 2:2621304bdec1 139
tollidal 2:2621304bdec1 140 //while(1)
tollidal 2:2621304bdec1 141
tollidal 2:2621304bdec1 142
tollidal 2:2621304bdec1 143 wait(0.5f);
tollidal 2:2621304bdec1 144 error = sensorB.readData();
tollidal 2:2621304bdec1 145 if (0 == error) {
tollidal 2:2621304bdec1 146 c = sensorB.ReadTemperature(CELCIUS);
tollidal 2:2621304bdec1 147 f = sensorB.ReadTemperature(FARENHEIT);
tollidal 2:2621304bdec1 148 k = sensorB.ReadTemperature(KELVIN);
tollidal 2:2621304bdec1 149 h = sensorB.ReadHumidity();
tollidal 2:2621304bdec1 150 dp = sensorB.CalcdewPoint(c, h);
tollidal 2:2621304bdec1 151 dpf = sensorB.CalcdewPointFast(c, h);
tollidal 2:2621304bdec1 152 printf("Temperature in Kelvin: %4.2f, Celcius: %4.2f, Farenheit %4.2f\n", k, c, f);
tollidal 2:2621304bdec1 153 printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
tollidal 2:2621304bdec1 154 printf("Tempformat: %d HumidFormat: %d\n", temp_format, humid_format);
tollidal 2:2621304bdec1 155 switch(temp_format) {
tollidal 2:2621304bdec1 156 case 0 :
tollidal 2:2621304bdec1 157 sprintf(tmpString, " Temp: %4.2fC", c);
tollidal 2:2621304bdec1 158 break;
tollidal 2:2621304bdec1 159 case 1 :
tollidal 2:2621304bdec1 160 sprintf(tmpString, " Temp: %4.2fF", f);
tollidal 2:2621304bdec1 161 break;
tollidal 2:2621304bdec1 162 case 2 :
tollidal 2:2621304bdec1 163 sprintf(tmpString, " Temp: %4.2fK", k);
tollidal 2:2621304bdec1 164 break;
tollidal 2:2621304bdec1 165
tollidal 2:2621304bdec1 166
tollidal 2:2621304bdec1 167 //display the results onto the LCD
tollidal 2:2621304bdec1 168 lcd.locate(0,0);
tollidal 2:2621304bdec1 169 lcd.printf("Temperature: %4.2fC", c);
tollidal 2:2621304bdec1 170 lcd.locate(0,10);
tollidal 2:2621304bdec1 171 lcd.printf("Humidity: %4.2f", h);
tollidal 2:2621304bdec1 172 wait(2);
tollidal 2:2621304bdec1 173
tollidal 2:2621304bdec1 174 //turn fan on if temperature is above 26
tollidal 2:2621304bdec1 175 if(c > 26) fan=1; //fan is on
tollidal 2:2621304bdec1 176 else fan=0; //Fan is off
tollidal 2:2621304bdec1 177
tollidal 2:2621304bdec1 178
tollidal 2:2621304bdec1 179 //wait 2 seconds and check temp again
tollidal 2:2621304bdec1 180 wait(10.0);
jbrown57 0:c48b28944702 181
jbrown57 0:c48b28944702 182
jbrown57 0:c48b28944702 183
jbrown57 0:c48b28944702 184
tollidal 2:2621304bdec1 185 //Light Sensor System
tollidal 2:2621304bdec1 186
tollidal 2:2621304bdec1 187 lcd.cls();
tollidal 2:2621304bdec1 188
tollidal 2:2621304bdec1 189 lcd.locate(25,5);
tollidal 2:2621304bdec1 190
tollidal 2:2621304bdec1 191 lcd.printf("Light Level");
tollidal 2:2621304bdec1 192
tollidal 2:2621304bdec1 193 lcd.locate(2,15);
tollidal 2:2621304bdec1 194
tollidal 2:2621304bdec1 195 lcd.printf("Greenhouse Control System");
tollidal 2:2621304bdec1 196
tollidal 2:2621304bdec1 197 wait(2.5);
tollidal 2:2621304bdec1 198
tollidal 2:2621304bdec1 199 lcd.cls();
tollidal 2:2621304bdec1 200
tollidal 2:2621304bdec1 201 //while(1)
tollidal 2:2621304bdec1 202 float ldrout=ldr.read(); //read ldr value
tollidal 2:2621304bdec1 203 lcd.locate(10,10);
tollidal 2:2621304bdec1 204 lcd.printf("Light Level is: %f\n :",ldrout); //print ldr value on LCD
tollidal 2:2621304bdec1 205 if(ldrout<0.6) { //if ldr value is smaller than 0.6 green LED turns on
tollidal 2:2621304bdec1 206
tollidal 2:2621304bdec1 207 myled = 1; //LED on
tollidal 2:2621304bdec1 208 } else {
tollidal 2:2621304bdec1 209 myled=0; //LED off
tollidal 2:2621304bdec1 210
tollidal 2:2621304bdec1 211 wait(10.0);
tollidal 2:2621304bdec1 212 lcd.cls();
tollidal 2:2621304bdec1 213
tollidal 2:2621304bdec1 214 }
tollidal 2:2621304bdec1 215
tollidal 2:2621304bdec1 216 }
tollidal 2:2621304bdec1 217 }
tollidal 2:2621304bdec1 218 }
jbrown57 0:c48b28944702 219 }
jbrown57 0:c48b28944702 220
tollidal 2:2621304bdec1 221 /*
tollidal 2:2621304bdec1 222
tollidal 2:2621304bdec1 223 //Soil Moisture System
tollidal 2:2621304bdec1 224
tollidal 2:2621304bdec1 225 //lcd.cls();
tollidal 2:2621304bdec1 226
tollidal 2:2621304bdec1 227 lcd.locate(25,5);
tollidal 2:2621304bdec1 228
tollidal 2:2621304bdec1 229 lcd.printf("Soil Moisture Level");
tollidal 2:2621304bdec1 230
tollidal 2:2621304bdec1 231 lcd.locate(2,15);
tollidal 2:2621304bdec1 232
tollidal 2:2621304bdec1 233 lcd.printf("Greenhouse Control System");
tollidal 2:2621304bdec1 234
tollidal 2:2621304bdec1 235 wait(2.5);
tollidal 2:2621304bdec1 236
tollidal 2:2621304bdec1 237
tollidal 2:2621304bdec1 238 float range = 0.0005;
tollidal 2:2621304bdec1 239 float position = 0.5;
tollidal 2:2621304bdec1 240
tollidal 2:2621304bdec1 241 float moisture_value = 0.0f;
tollidal 2:2621304bdec1 242
tollidal 2:2621304bdec1 243
tollidal 2:2621304bdec1 244 while(1) {
tollidal 2:2621304bdec1 245
tollidal 2:2621304bdec1 246 moisture_value = soil_moisture*100; //soil moisture value
tollidal 2:2621304bdec1 247 lcd.locate(0,0); //text location on screen
tollidal 2:2621304bdec1 248 lcd.cls();
tollidal 2:2621304bdec1 249 lcd.printf("Moisture reading is: %2.2f\n", moisture_value); //display soil moisture value as a percentage
tollidal 2:2621304bdec1 250 wait(1.0f);
tollidal 2:2621304bdec1 251 // lcd.printf("Moisture reading is: %2.2f\n", value);
tollidal 2:2621304bdec1 252
tollidal 2:2621304bdec1 253 if (moisture_value > 30&& moisture_value <= 50) { //if soil moisture level is between 30 and 60 moisture level okay
tollidal 2:2621304bdec1 254 lcd.printf("Moisture level okay");
tollidal 2:2621304bdec1 255 position = 0.0;
tollidal 2:2621304bdec1 256 }
tollidal 2:2621304bdec1 257
tollidal 2:2621304bdec1 258 else if (moisture_value <= 30) { //if soil moisture level is below 30, soil is dry
tollidal 2:2621304bdec1 259 position = 1.0; //move servo to open position to water plant
tollidal 2:2621304bdec1 260
tollidal 2:2621304bdec1 261
tollidal 2:2621304bdec1 262 } else {
tollidal 2:2621304bdec1 263 position = 0.0; //if soil moisture is above 65 soil is wet, do not water
tollidal 2:2621304bdec1 264 }
tollidal 2:2621304bdec1 265
tollidal 2:2621304bdec1 266
tollidal 2:2621304bdec1 267
tollidal 2:2621304bdec1 268 lcd.printf("position = %.1f, range = +/-%0.4f\n", position, range);
tollidal 2:2621304bdec1 269 myservo.calibrate(range, 45.0);
tollidal 2:2621304bdec1 270 myservo = position;
tollidal 2:2621304bdec1 271
tollidal 2:2621304bdec1 272 wait (10);
tollidal 2:2621304bdec1 273
tollidal 2:2621304bdec1 274 }
tollidal 2:2621304bdec1 275 }
tollidal 2:2621304bdec1 276
tollidal 2:2621304bdec1 277
tollidal 2:2621304bdec1 278 */
tollidal 2:2621304bdec1 279
tollidal 2:2621304bdec1 280