Project Autus - Automated Plant Chamber
Fork of keypad_test by
Autus
This is the codebase accompanying the project Autus.
Autus is an automated growth chamber for plants.
Features
Control Humidity inside chamber wrt to external humidity. Control Temperature inside chamber. ( Peltier Heaters/Coolers ) Water and shower plants. Control soil humidity. Monitor water tanks level (Load Cell)
Code Base Features
Fixed timing and CRC for DHT-11 Sensor. Fixed OneWire bug for ds18b20
Cyclic Executive Scheduler with Priority. Async IPC framework for PC App over bluetooth
Fake RTC systick, I was having some trouble with the on board rtc.
main.cpp@11:f9ffd5ab7e94, 2014-04-12 (annotated)
- Committer:
- umairaftab
- Date:
- Sat Apr 12 06:35:04 2014 +0000
- Revision:
- 11:f9ffd5ab7e94
- Parent:
- 10:1a0fe96381b0
- Child:
- 12:b3137bb72ef7
Fixed type error in soil humidity.cpp ;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
umairaftab | 8:2d462919519e | 1 | |
umairaftab | 8:2d462919519e | 2 | //QUICK REFS: |
umairaftab | 8:2d462919519e | 3 | // TICKER is using timer 1 for buzzer. |
umairaftab | 8:2d462919519e | 4 | |
umairaftab | 1:9ef26efedcea | 5 | #include "mbed.h" |
umairaftab | 3:087ce66714c0 | 6 | |
umairaftab | 1:9ef26efedcea | 7 | #include "keypad.h" |
umairaftab | 1:9ef26efedcea | 8 | #include "buzz.h" |
umairaftab | 7:1d691f81d455 | 9 | |
umairaftab | 7:1d691f81d455 | 10 | #include "pindefs.h" //led pin definitions |
umairaftab | 3:087ce66714c0 | 11 | #include "led_lights.h" |
umairaftab | 7:1d691f81d455 | 12 | |
umairaftab | 3:087ce66714c0 | 13 | #include "peltier.h" |
umairaftab | 7:1d691f81d455 | 14 | #include "peltier_pindefs.h" |
umairaftab | 7:1d691f81d455 | 15 | |
umairaftab | 7:1d691f81d455 | 16 | #include "pumps.h" |
umairaftab | 7:1d691f81d455 | 17 | #include "pumps_pindefs.h" |
umairaftab | 7:1d691f81d455 | 18 | |
umairaftab | 7:1d691f81d455 | 19 | #include "airhumidity.h" |
umairaftab | 7:1d691f81d455 | 20 | #include "soilmoisture.h" |
umairaftab | 7:1d691f81d455 | 21 | #include "soilmoisture_pindefs.h" |
umairaftab | 8:2d462919519e | 22 | |
umairaftab | 7:1d691f81d455 | 23 | #include "ui.h" |
umairaftab | 7:1d691f81d455 | 24 | #include "ui_pindefs.h" |
umairaftab | 7:1d691f81d455 | 25 | #include "TextLCD.h" |
umairaftab | 7:1d691f81d455 | 26 | |
umairaftab | 8:2d462919519e | 27 | #include "rtcimp.h" |
umairaftab | 8:2d462919519e | 28 | |
umairaftab | 8:2d462919519e | 29 | //SERIAL |
umairaftab | 8:2d462919519e | 30 | Serial bluetooth(PTA2, PTA1); // tx, rx |
umairaftab | 8:2d462919519e | 31 | Serial printer(PTC4,PTC3); // tx, rx |
umairaftab | 8:2d462919519e | 32 | //TICKERS |
umairaftab | 1:9ef26efedcea | 33 | Ticker timer1ms; |
umairaftab | 8:2d462919519e | 34 | Ticker clock_mine; |
umairaftab | 11:f9ffd5ab7e94 | 35 | Timer lcd_timeout; |
umairaftab | 8:2d462919519e | 36 | //FLAGS |
umairaftab | 8:2d462919519e | 37 | bool startup_flag=true; |
umairaftab | 9:43c339533f7f | 38 | bool watered_plant1 = false; |
umairaftab | 9:43c339533f7f | 39 | int watered_plant1_time = 0; |
umairaftab | 9:43c339533f7f | 40 | bool watered_plant2 = false; |
umairaftab | 9:43c339533f7f | 41 | int watered_plant2_time = 0; |
umairaftab | 8:2d462919519e | 42 | |
umairaftab | 8:2d462919519e | 43 | //SETPOINTS |
umairaftab | 8:2d462919519e | 44 | float setpoint_air_humidity = 30.00 ; |
umairaftab | 8:2d462919519e | 45 | float setpoint_soil_humid1 = 0.3 ; |
umairaftab | 8:2d462919519e | 46 | float setpoint_soil_humid2 = 0.3 ; |
umairaftab | 8:2d462919519e | 47 | |
umairaftab | 11:f9ffd5ab7e94 | 48 | int setpoint_red_lights; |
umairaftab | 11:f9ffd5ab7e94 | 49 | int setpoint_blue_lights; |
umairaftab | 11:f9ffd5ab7e94 | 50 | int setpoint_green_lights; |
umairaftab | 8:2d462919519e | 51 | //WINDOWING |
umairaftab | 9:43c339533f7f | 52 | float window_f = 5 ; |
umairaftab | 8:2d462919519e | 53 | int window_i =2 ; |
umairaftab | 8:2d462919519e | 54 | |
umairaftab | 8:2d462919519e | 55 | //GLOBAL VARS |
umairaftab | 8:2d462919519e | 56 | float current_water_level = 0; |
umairaftab | 11:f9ffd5ab7e94 | 57 | bool screen_timeout=false; |
umairaftab | 8:2d462919519e | 58 | //SAFETY LIMITS |
umairaftab | 8:2d462919519e | 59 | const float max_peltier_temp = 68 ; //CELCIUS |
umairaftab | 9:43c339533f7f | 60 | const int MAX_WATERING_TIME_GAP = 20; |
umairaftab | 9:43c339533f7f | 61 | const int CYCLE_AIR_TIME = 2; |
umairaftab | 8:2d462919519e | 62 | //**************************FUNCTION TO READ SENSORS ********************************************** |
umairaftab | 8:2d462919519e | 63 | void read_sensors(){ |
umairaftab | 8:2d462919519e | 64 | |
umairaftab | 8:2d462919519e | 65 | //Read values for AIR |
umairaftab | 8:2d462919519e | 66 | |
umairaftab | 8:2d462919519e | 67 | //OUTSIDE |
umairaftab | 8:2d462919519e | 68 | outside_humidity = get_air_humid_outside(); |
umairaftab | 8:2d462919519e | 69 | outside_temp = get_air_temp_outside(temp_unit); |
umairaftab | 8:2d462919519e | 70 | outside_dewpoint = get_air_dewpoint_outside(); |
umairaftab | 8:2d462919519e | 71 | |
umairaftab | 8:2d462919519e | 72 | //INSIDE |
umairaftab | 8:2d462919519e | 73 | inside_humidity = get_air_humid_inside(); |
umairaftab | 8:2d462919519e | 74 | inside_temp = get_air_temp_inside(temp_unit); |
umairaftab | 8:2d462919519e | 75 | inside_dewpoint = get_air_dewpoint_inside(); |
umairaftab | 8:2d462919519e | 76 | |
umairaftab | 8:2d462919519e | 77 | //Read value for soil |
umairaftab | 8:2d462919519e | 78 | read_soil_humidity(); |
umairaftab | 8:2d462919519e | 79 | calc_soil_humid_values(); //values in soil1_humid and soil2_humid perecentages |
umairaftab | 11:f9ffd5ab7e94 | 80 | soil1_humidity = soil1_humid ; |
umairaftab | 11:f9ffd5ab7e94 | 81 | soil2_humidity = soil2_humid ; |
umairaftab | 11:f9ffd5ab7e94 | 82 | printf("%4.2f \n\r",soil1_humidity); |
umairaftab | 8:2d462919519e | 83 | } |
umairaftab | 8:2d462919519e | 84 | |
umairaftab | 8:2d462919519e | 85 | //****************************Functions that perform tasks************************************** |
umairaftab | 9:43c339533f7f | 86 | //Water Plants |
umairaftab | 8:2d462919519e | 87 | void waterplants(){ |
umairaftab | 8:2d462919519e | 88 | |
umairaftab | 8:2d462919519e | 89 | |
umairaftab | 9:43c339533f7f | 90 | if(startup_flag == true){ |
umairaftab | 9:43c339533f7f | 91 | //call for pump function |
umairaftab | 9:43c339533f7f | 92 | watered_plant1 = true; |
umairaftab | 9:43c339533f7f | 93 | watered_plant1_time = hour ; |
umairaftab | 9:43c339533f7f | 94 | watered_plant2 = true; |
umairaftab | 9:43c339533f7f | 95 | watered_plant2_time = hour ; |
umairaftab | 9:43c339533f7f | 96 | } |
umairaftab | 9:43c339533f7f | 97 | else{ |
umairaftab | 9:43c339533f7f | 98 | |
umairaftab | 10:1a0fe96381b0 | 99 | if( (soil1_humid < setpoint_soil_humid1) || (watered_plant1 == false) ){ |
umairaftab | 9:43c339533f7f | 100 | //enable pump1 |
umairaftab | 9:43c339533f7f | 101 | watered_plant1 = true; |
umairaftab | 9:43c339533f7f | 102 | watered_plant1_time = hour ; |
umairaftab | 9:43c339533f7f | 103 | } |
umairaftab | 10:1a0fe96381b0 | 104 | if( (soil2_humid < setpoint_soil_humid2) || (watered_plant2 == false) ){ |
umairaftab | 9:43c339533f7f | 105 | //enable pump2 |
umairaftab | 9:43c339533f7f | 106 | watered_plant2 = true; |
umairaftab | 9:43c339533f7f | 107 | watered_plant2_time = hour ; |
umairaftab | 9:43c339533f7f | 108 | } |
umairaftab | 9:43c339533f7f | 109 | } |
umairaftab | 10:1a0fe96381b0 | 110 | //Make sure it is watered at least every x hours in case soil humid doesnt work |
umairaftab | 9:43c339533f7f | 111 | if (watered_plant1 == true){ |
umairaftab | 9:43c339533f7f | 112 | if(abs(hour-watered_plant1_time)>MAX_WATERING_TIME_GAP){ |
umairaftab | 9:43c339533f7f | 113 | watered_plant1 = false; |
umairaftab | 9:43c339533f7f | 114 | } |
umairaftab | 9:43c339533f7f | 115 | } |
umairaftab | 9:43c339533f7f | 116 | if (watered_plant2 == true){ |
umairaftab | 9:43c339533f7f | 117 | if(abs(hour-watered_plant2_time)>MAX_WATERING_TIME_GAP){ |
umairaftab | 9:43c339533f7f | 118 | watered_plant2 = false; |
umairaftab | 9:43c339533f7f | 119 | } |
umairaftab | 9:43c339533f7f | 120 | } |
umairaftab | 9:43c339533f7f | 121 | |
umairaftab | 9:43c339533f7f | 122 | } |
umairaftab | 9:43c339533f7f | 123 | |
umairaftab | 9:43c339533f7f | 124 | // Air Humidity Level |
umairaftab | 9:43c339533f7f | 125 | void airhumidity(){ |
umairaftab | 9:43c339533f7f | 126 | |
umairaftab | 11:f9ffd5ab7e94 | 127 | if( !( (setpoint_air_humidity+window_f > inside_humidity) && (setpoint_air_humidity-window_f < inside_humidity) ) ){ |
umairaftab | 9:43c339533f7f | 128 | |
umairaftab | 9:43c339533f7f | 129 | //Turn on Air humidity fan |
umairaftab | 9:43c339533f7f | 130 | wait(5); |
umairaftab | 9:43c339533f7f | 131 | //Turn off Air humisity fan |
umairaftab | 9:43c339533f7f | 132 | } |
umairaftab | 9:43c339533f7f | 133 | } |
umairaftab | 9:43c339533f7f | 134 | |
umairaftab | 9:43c339533f7f | 135 | //CYCLE AIR |
umairaftab | 9:43c339533f7f | 136 | void cycleair(){ |
umairaftab | 9:43c339533f7f | 137 | |
umairaftab | 9:43c339533f7f | 138 | //Turn on fan |
umairaftab | 9:43c339533f7f | 139 | wait(CYCLE_AIR_TIME); |
umairaftab | 9:43c339533f7f | 140 | //turn of fan |
umairaftab | 8:2d462919519e | 141 | |
umairaftab | 8:2d462919519e | 142 | } |
umairaftab | 8:2d462919519e | 143 | //***************************PLACEHOLDER FUNCTION TO DISABLE EVERYTHING ********************** |
umairaftab | 8:2d462919519e | 144 | void disable_everything(){ |
umairaftab | 8:2d462919519e | 145 | |
umairaftab | 10:1a0fe96381b0 | 146 | //Disable peltier,vac,fans,pumps,lights. |
umairaftab | 8:2d462919519e | 147 | |
umairaftab | 8:2d462919519e | 148 | } |
umairaftab | 8:2d462919519e | 149 | |
umairaftab | 8:2d462919519e | 150 | |
umairaftab | 8:2d462919519e | 151 | //********************************************************************************************* |
umairaftab | 8:2d462919519e | 152 | //* * |
umairaftab | 8:2d462919519e | 153 | //* * |
umairaftab | 8:2d462919519e | 154 | //* * |
umairaftab | 8:2d462919519e | 155 | //* * |
umairaftab | 8:2d462919519e | 156 | //* MAIN ROUTINE * |
umairaftab | 8:2d462919519e | 157 | //* * |
umairaftab | 8:2d462919519e | 158 | //* DO NOT MODIFY WITHOUT TELLING UMAIR * |
umairaftab | 8:2d462919519e | 159 | //* * |
umairaftab | 8:2d462919519e | 160 | //* * |
umairaftab | 8:2d462919519e | 161 | //********************************************************************************************* |
umairaftab | 1:9ef26efedcea | 162 | |
umairaftab | 1:9ef26efedcea | 163 | int main(void) |
umairaftab | 1:9ef26efedcea | 164 | { |
umairaftab | 8:2d462919519e | 165 | |
umairaftab | 8:2d462919519e | 166 | //call function that disables everything. |
umairaftab | 8:2d462919519e | 167 | disable_everything(); |
umairaftab | 8:2d462919519e | 168 | |
umairaftab | 8:2d462919519e | 169 | |
umairaftab | 9:43c339533f7f | 170 | |
umairaftab | 8:2d462919519e | 171 | //FOR INTERNAL CLOCK |
umairaftab | 8:2d462919519e | 172 | clock_mine.attach(&sec_inc, 1.0); |
umairaftab | 8:2d462919519e | 173 | char keypad_value; |
umairaftab | 11:f9ffd5ab7e94 | 174 | int ui_current_screen = 1; |
umairaftab | 10:1a0fe96381b0 | 175 | //************************************BOOT SEQUENCE********************* |
umairaftab | 8:2d462919519e | 176 | //call LCD boot |
umairaftab | 8:2d462919519e | 177 | ui_startup(); |
umairaftab | 9:43c339533f7f | 178 | wait(2); |
umairaftab | 8:2d462919519e | 179 | //SET TIME |
umairaftab | 8:2d462919519e | 180 | rtcimp_settime(6,0); |
umairaftab | 8:2d462919519e | 181 | //call function that reads values |
umairaftab | 9:43c339533f7f | 182 | |
umairaftab | 9:43c339533f7f | 183 | /* FOR CRTITICALITY |
umairaftab | 9:43c339533f7f | 184 | NVIC_DisableIRQ(TIMER3_IRQn); |
umairaftab | 9:43c339533f7f | 185 | |
umairaftab | 9:43c339533f7f | 186 | // critical section |
umairaftab | 9:43c339533f7f | 187 | |
umairaftab | 9:43c339533f7f | 188 | NVIC_EnableIRQ(TIMER3_IRQn); |
umairaftab | 9:43c339533f7f | 189 | */ |
umairaftab | 9:43c339533f7f | 190 | lcd.cls(); |
umairaftab | 9:43c339533f7f | 191 | lcd.locate(0,0); |
umairaftab | 9:43c339533f7f | 192 | lcd.printf("Reading Sensors"); |
umairaftab | 9:43c339533f7f | 193 | |
umairaftab | 8:2d462919519e | 194 | read_sensors(); |
umairaftab | 8:2d462919519e | 195 | |
umairaftab | 9:43c339533f7f | 196 | wait(2); |
umairaftab | 9:43c339533f7f | 197 | lcd.cls(); |
umairaftab | 9:43c339533f7f | 198 | lcd.locate(0,0); |
umairaftab | 9:43c339533f7f | 199 | lcd.printf("Done Reading Sensors"); |
umairaftab | 8:2d462919519e | 200 | //call function that performs functions. |
umairaftab | 8:2d462919519e | 201 | |
umairaftab | 9:43c339533f7f | 202 | wait(2); |
umairaftab | 9:43c339533f7f | 203 | lcd.cls(); |
umairaftab | 9:43c339533f7f | 204 | lcd.locate(0,0); |
umairaftab | 9:43c339533f7f | 205 | lcd.printf("Watering Plants"); |
umairaftab | 9:43c339533f7f | 206 | |
umairaftab | 9:43c339533f7f | 207 | waterplants(); |
umairaftab | 9:43c339533f7f | 208 | |
umairaftab | 9:43c339533f7f | 209 | wait(2); |
umairaftab | 9:43c339533f7f | 210 | lcd.cls(); |
umairaftab | 9:43c339533f7f | 211 | lcd.locate(0,0); |
umairaftab | 9:43c339533f7f | 212 | lcd.printf("Air Humidity"); |
umairaftab | 9:43c339533f7f | 213 | |
umairaftab | 9:43c339533f7f | 214 | airhumidity(); |
umairaftab | 9:43c339533f7f | 215 | |
umairaftab | 9:43c339533f7f | 216 | wait(2); |
umairaftab | 9:43c339533f7f | 217 | lcd.cls(); |
umairaftab | 9:43c339533f7f | 218 | lcd.locate(0,0); |
umairaftab | 9:43c339533f7f | 219 | lcd.printf("Cycling Air"); |
umairaftab | 9:43c339533f7f | 220 | |
umairaftab | 9:43c339533f7f | 221 | cycleair(); |
umairaftab | 9:43c339533f7f | 222 | |
umairaftab | 11:f9ffd5ab7e94 | 223 | wait(2); |
umairaftab | 11:f9ffd5ab7e94 | 224 | lcd.cls(); |
umairaftab | 11:f9ffd5ab7e94 | 225 | lcd.locate(0,0); |
umairaftab | 11:f9ffd5ab7e94 | 226 | lcd.printf("Testing Lights"); |
umairaftab | 11:f9ffd5ab7e94 | 227 | //led_test(); |
umairaftab | 11:f9ffd5ab7e94 | 228 | |
umairaftab | 11:f9ffd5ab7e94 | 229 | |
umairaftab | 9:43c339533f7f | 230 | wait(5); |
umairaftab | 9:43c339533f7f | 231 | ui_screen1(); |
umairaftab | 9:43c339533f7f | 232 | wait(5); |
umairaftab | 8:2d462919519e | 233 | |
umairaftab | 8:2d462919519e | 234 | startup_flag = false ; |
umairaftab | 1:9ef26efedcea | 235 | while(1) { |
umairaftab | 8:2d462919519e | 236 | |
umairaftab | 8:2d462919519e | 237 | wait(1.5); |
umairaftab | 9:43c339533f7f | 238 | //FOR BUZZER |
umairaftab | 9:43c339533f7f | 239 | timer1ms.attach(&timer1, 0.001); //interrupt attached function(timer) with interval (1 ms) |
umairaftab | 8:2d462919519e | 240 | keypad_value = Keypad(); |
umairaftab | 11:f9ffd5ab7e94 | 241 | //timer1ms.detach(); |
umairaftab | 11:f9ffd5ab7e94 | 242 | |
umairaftab | 11:f9ffd5ab7e94 | 243 | |
umairaftab | 8:2d462919519e | 244 | }//WHILE END |
umairaftab | 8:2d462919519e | 245 | |
umairaftab | 8:2d462919519e | 246 | |
umairaftab | 8:2d462919519e | 247 | } |
umairaftab | 8:2d462919519e | 248 | |
umairaftab | 8:2d462919519e | 249 |