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legionella detector
Dependencies: mbed
main.cpp@4:b82f09e597ec, 23 months ago (annotated)
- Committer:
- lewiscameron
- Date:
- Tue Aug 23 16:54:43 2022 +0000
- Revision:
- 4:b82f09e597ec
- Parent:
- 3:eaa6fbb8fd87
- Child:
- 5:2d1d347847a6
final code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lewiscameron | 4:b82f09e597ec | 1 | /** |
lewiscameron | 4:b82f09e597ec | 2 | IOT Coursework Project |
lewiscameron | 4:b82f09e597ec | 3 | Lewis Cameron |
lewiscameron | 0:089b4c4f2b6f | 4 | |
lewiscameron | 4:b82f09e597ec | 5 | Water Temperature Legionella Detector With Custom Setpoint |
lewiscameron | 4:b82f09e597ec | 6 | |
lewiscameron | 4:b82f09e597ec | 7 | Acknowledgements to Dr. Edmond Nurellari, University of Lincoln, for example codes and libraries |
lewiscameron | 4:b82f09e597ec | 8 | Acknowledgements to Craig A. Evans, University of Leeds, for libraries |
lewiscameron | 4:b82f09e597ec | 9 | |
lewiscameron | 4:b82f09e597ec | 10 | Date 23/08/2022 |
lewiscameron | 4:b82f09e597ec | 11 | |
lewiscameron | 4:b82f09e597ec | 12 | */ |
lewiscameron | 4:b82f09e597ec | 13 | // importing the libraries to be used within the code |
lewiscameron | 0:089b4c4f2b6f | 14 | #include "mbed.h" |
lewiscameron | 0:089b4c4f2b6f | 15 | #include "TMP102.h" |
lewiscameron | 0:089b4c4f2b6f | 16 | #include "N5110.h" |
lewiscameron | 0:089b4c4f2b6f | 17 | #include "Joystick.h" |
lewiscameron | 0:089b4c4f2b6f | 18 | #include "Bitmap.h" |
lewiscameron | 0:089b4c4f2b6f | 19 | |
lewiscameron | 4:b82f09e597ec | 20 | //Defining PCB Buttons as Interrupts |
lewiscameron | 0:089b4c4f2b6f | 21 | InterruptIn button_back(PTB19); |
lewiscameron | 0:089b4c4f2b6f | 22 | InterruptIn button_start(PTC5); |
lewiscameron | 0:089b4c4f2b6f | 23 | InterruptIn button_a(PTB9); |
lewiscameron | 0:089b4c4f2b6f | 24 | InterruptIn button_b(PTD0); |
lewiscameron | 0:089b4c4f2b6f | 25 | InterruptIn button_x(PTC17); |
lewiscameron | 0:089b4c4f2b6f | 26 | InterruptIn button_y(PTC12); |
lewiscameron | 0:089b4c4f2b6f | 27 | InterruptIn button_left(PTB18); |
lewiscameron | 0:089b4c4f2b6f | 28 | InterruptIn button_right(PTB3); |
lewiscameron | 0:089b4c4f2b6f | 29 | |
lewiscameron | 4:b82f09e597ec | 30 | //Defining the PCB Led's as PWM Outputs |
lewiscameron | 0:089b4c4f2b6f | 31 | PwmOut led_red1(PTA1); |
lewiscameron | 0:089b4c4f2b6f | 32 | PwmOut led_red2(PTA2); |
lewiscameron | 0:089b4c4f2b6f | 33 | PwmOut led_red3(PTC2); |
lewiscameron | 0:089b4c4f2b6f | 34 | PwmOut led_green1(PTC3); |
lewiscameron | 0:089b4c4f2b6f | 35 | PwmOut led_green2(PTC4); |
lewiscameron | 0:089b4c4f2b6f | 36 | PwmOut led_green3(PTD3); |
lewiscameron | 0:089b4c4f2b6f | 37 | |
lewiscameron | 4:b82f09e597ec | 38 | // Defining the Joystick, LCD & TMP102 on their respective pins |
lewiscameron | 0:089b4c4f2b6f | 39 | Joystick Joystick(PTB10,PTB11,PTB16); |
lewiscameron | 0:089b4c4f2b6f | 40 | N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); |
lewiscameron | 0:089b4c4f2b6f | 41 | TMP102 tmp(I2C_SDA,I2C_SCL); |
lewiscameron | 0:089b4c4f2b6f | 42 | |
lewiscameron | 4:b82f09e597ec | 43 | //Defined the piezo as a PWM Output although it has not been used in the code |
lewiscameron | 0:089b4c4f2b6f | 44 | PwmOut piezo(PTC10); |
lewiscameron | 0:089b4c4f2b6f | 45 | |
lewiscameron | 4:b82f09e597ec | 46 | //Creating the serial connection to the PC to enable the use of coolterm |
lewiscameron | 0:089b4c4f2b6f | 47 | Serial pc(USBTX,USBRX); |
lewiscameron | 0:089b4c4f2b6f | 48 | |
lewiscameron | 4:b82f09e597ec | 49 | // Setting up the variables that will be used throughout the code in functions |
lewiscameron | 4:b82f09e597ec | 50 | volatile int button_a_flag = 0; //PCB A Button |
lewiscameron | 4:b82f09e597ec | 51 | volatile int button_b_flag = 0; //PCB B Button |
lewiscameron | 4:b82f09e597ec | 52 | volatile int button_x_flag = 0; //PCB X Button |
lewiscameron | 4:b82f09e597ec | 53 | volatile int button_y_flag = 0; //PCB Y Button |
lewiscameron | 4:b82f09e597ec | 54 | volatile int button_left_flag = 0; //PCB Left Button |
lewiscameron | 4:b82f09e597ec | 55 | volatile int button_right_flag = 0; //PCB Right Button |
lewiscameron | 4:b82f09e597ec | 56 | volatile int button_back_flag = 0; //PCB Back Button |
lewiscameron | 4:b82f09e597ec | 57 | volatile int button_start_flag = 0; //PCB Start Button |
lewiscameron | 4:b82f09e597ec | 58 | volatile int CwsHiSP = 20; //CWS Water High Limit Temperature Setpoint |
lewiscameron | 4:b82f09e597ec | 59 | volatile int HwsKaSP = 70; //HWS Water Temp which kills all legionella |
lewiscameron | 4:b82f09e597ec | 60 | volatile int HwsLoLimSP = 50; //HWS water low limit temperature setpoint |
lewiscameron | 4:b82f09e597ec | 61 | volatile int CustomLoSP = 10; //Custom low limit temperature setpoint which can be changed using the joystick |
lewiscameron | 4:b82f09e597ec | 62 | volatile int CustomHiSP = 20; //Custom high limit temperature setpoint which can be changed using left & right |
lewiscameron | 0:089b4c4f2b6f | 63 | |
lewiscameron | 0:089b4c4f2b6f | 64 | // voids |
lewiscameron | 0:089b4c4f2b6f | 65 | // functions that will be used in the code |
lewiscameron | 4:b82f09e597ec | 66 | void init_serial(); // sets up serial baud rate |
lewiscameron | 0:089b4c4f2b6f | 67 | void init_K64F(); // sets up K64F |
lewiscameron | 0:089b4c4f2b6f | 68 | void init_pcb(); // sets up the pcb |
lewiscameron | 0:089b4c4f2b6f | 69 | |
lewiscameron | 0:089b4c4f2b6f | 70 | // button voids |
lewiscameron | 1:87661a0c8ba3 | 71 | void button_a_isr(); |
lewiscameron | 1:87661a0c8ba3 | 72 | void button_b_isr(); |
lewiscameron | 1:87661a0c8ba3 | 73 | void button_x_isr(); |
lewiscameron | 1:87661a0c8ba3 | 74 | void button_y_isr(); |
lewiscameron | 1:87661a0c8ba3 | 75 | void button_left_isr(); |
lewiscameron | 1:87661a0c8ba3 | 76 | void button_right_isr(); |
lewiscameron | 1:87661a0c8ba3 | 77 | void button_back_isr(); |
lewiscameron | 1:87661a0c8ba3 | 78 | void button_start_isr(); |
lewiscameron | 0:089b4c4f2b6f | 79 | |
lewiscameron | 4:b82f09e597ec | 80 | // void functions that will be called upon throughout the code |
lewiscameron | 4:b82f09e597ec | 81 | void startup(); //startup function |
lewiscameron | 4:b82f09e597ec | 82 | void cwshigh(); //CWS high temperature function |
lewiscameron | 4:b82f09e597ec | 83 | void codeloop(); //main loop function |
lewiscameron | 4:b82f09e597ec | 84 | void get_temp(); //temperature display function |
lewiscameron | 4:b82f09e597ec | 85 | void CustHi_SP(); //function for changine the custom high limit SP |
lewiscameron | 4:b82f09e597ec | 86 | void CustLo_SP(); //function for changine the custom low limit SP |
lewiscameron | 4:b82f09e597ec | 87 | void ShowSP(); //function to show the custom SP's on screen when they after they are changed |
lewiscameron | 3:eaa6fbb8fd87 | 88 | |
lewiscameron | 3:eaa6fbb8fd87 | 89 | //State structure |
lewiscameron | 3:eaa6fbb8fd87 | 90 | struct State { |
lewiscameron | 3:eaa6fbb8fd87 | 91 | //Output Setpoint |
lewiscameron | 3:eaa6fbb8fd87 | 92 | int output; |
lewiscameron | 3:eaa6fbb8fd87 | 93 | //Time delay while in state |
lewiscameron | 3:eaa6fbb8fd87 | 94 | float time; |
lewiscameron | 3:eaa6fbb8fd87 | 95 | //Next states array and length |
lewiscameron | 3:eaa6fbb8fd87 | 96 | int nextState[9]; |
lewiscameron | 3:eaa6fbb8fd87 | 97 | }; |
lewiscameron | 0:089b4c4f2b6f | 98 | |
lewiscameron | 0:089b4c4f2b6f | 99 | |
lewiscameron | 4:b82f09e597ec | 100 | //Main Function |
lewiscameron | 0:089b4c4f2b6f | 101 | |
lewiscameron | 0:089b4c4f2b6f | 102 | int main() { |
lewiscameron | 0:089b4c4f2b6f | 103 | |
lewiscameron | 0:089b4c4f2b6f | 104 | // interrupts setup |
lewiscameron | 1:87661a0c8ba3 | 105 | button_a.rise(&button_a_isr); |
lewiscameron | 1:87661a0c8ba3 | 106 | button_b.rise(&button_b_isr); |
lewiscameron | 1:87661a0c8ba3 | 107 | button_x.rise(&button_x_isr); |
lewiscameron | 1:87661a0c8ba3 | 108 | button_y.rise(&button_y_isr); |
lewiscameron | 1:87661a0c8ba3 | 109 | button_left.rise(&button_left_isr); |
lewiscameron | 1:87661a0c8ba3 | 110 | button_right.rise(&button_right_isr); |
lewiscameron | 1:87661a0c8ba3 | 111 | button_back.rise(&button_back_isr); |
lewiscameron | 1:87661a0c8ba3 | 112 | button_start.rise(&button_start_isr); |
lewiscameron | 0:089b4c4f2b6f | 113 | |
lewiscameron | 0:089b4c4f2b6f | 114 | |
lewiscameron | 0:089b4c4f2b6f | 115 | |
lewiscameron | 0:089b4c4f2b6f | 116 | init_serial(); |
lewiscameron | 0:089b4c4f2b6f | 117 | init_K64F(); |
lewiscameron | 0:089b4c4f2b6f | 118 | init_pcb(); |
lewiscameron | 0:089b4c4f2b6f | 119 | tmp.init(); |
lewiscameron | 0:089b4c4f2b6f | 120 | lcd.init(); |
lewiscameron | 0:089b4c4f2b6f | 121 | Joystick.init(); |
lewiscameron | 4:b82f09e597ec | 122 | //pc.printf("hardware initialised"); |
lewiscameron | 0:089b4c4f2b6f | 123 | |
lewiscameron | 3:eaa6fbb8fd87 | 124 | lcd.setContrast(1); |
lewiscameron | 0:089b4c4f2b6f | 125 | lcd.setBrightness(0.5); |
lewiscameron | 0:089b4c4f2b6f | 126 | |
lewiscameron | 0:089b4c4f2b6f | 127 | startup(); |
lewiscameron | 0:089b4c4f2b6f | 128 | |
lewiscameron | 0:089b4c4f2b6f | 129 | codeloop(); |
lewiscameron | 0:089b4c4f2b6f | 130 | |
lewiscameron | 0:089b4c4f2b6f | 131 | |
lewiscameron | 0:089b4c4f2b6f | 132 | |
lewiscameron | 0:089b4c4f2b6f | 133 | } |
lewiscameron | 0:089b4c4f2b6f | 134 | |
lewiscameron | 0:089b4c4f2b6f | 135 | // initialise serial connection |
lewiscameron | 0:089b4c4f2b6f | 136 | void init_serial() |
lewiscameron | 0:089b4c4f2b6f | 137 | { |
lewiscameron | 0:089b4c4f2b6f | 138 | pc.baud(9600); |
lewiscameron | 0:089b4c4f2b6f | 139 | } |
lewiscameron | 0:089b4c4f2b6f | 140 | |
lewiscameron | 0:089b4c4f2b6f | 141 | void init_K64F() |
lewiscameron | 0:089b4c4f2b6f | 142 | { |
lewiscameron | 0:089b4c4f2b6f | 143 | boardled_red = 1; |
lewiscameron | 0:089b4c4f2b6f | 144 | boardled_green = 1; |
lewiscameron | 0:089b4c4f2b6f | 145 | boardled_blue = 1; |
lewiscameron | 0:089b4c4f2b6f | 146 | |
lewiscameron | 0:089b4c4f2b6f | 147 | sw2.mode(PullNone); |
lewiscameron | 0:089b4c4f2b6f | 148 | sw3.mode(PullNone); |
lewiscameron | 0:089b4c4f2b6f | 149 | } |
lewiscameron | 0:089b4c4f2b6f | 150 | |
lewiscameron | 0:089b4c4f2b6f | 151 | void init_pcb() |
lewiscameron | 0:089b4c4f2b6f | 152 | { |
lewiscameron | 0:089b4c4f2b6f | 153 | |
lewiscameron | 0:089b4c4f2b6f | 154 | led_red1 = 1; |
lewiscameron | 0:089b4c4f2b6f | 155 | led_red2 = 1; |
lewiscameron | 0:089b4c4f2b6f | 156 | led_red3 = 1; |
lewiscameron | 0:089b4c4f2b6f | 157 | led_green1 = 1; |
lewiscameron | 0:089b4c4f2b6f | 158 | led_green2 = 1; |
lewiscameron | 0:089b4c4f2b6f | 159 | led_green3 = 1; |
lewiscameron | 4:b82f09e597ec | 160 | // disables PCB LED's active low LED's so off when = 1 |
lewiscameron | 0:089b4c4f2b6f | 161 | |
lewiscameron | 0:089b4c4f2b6f | 162 | // sets up the PCB Buttons |
lewiscameron | 0:089b4c4f2b6f | 163 | button_a.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 164 | button_b.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 165 | button_x.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 166 | button_y.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 167 | button_left.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 168 | button_right.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 169 | button_start.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 170 | button_back.mode(PullDown); |
lewiscameron | 0:089b4c4f2b6f | 171 | } |
lewiscameron | 0:089b4c4f2b6f | 172 | |
lewiscameron | 4:b82f09e597ec | 173 | void startup() // startup page |
lewiscameron | 0:089b4c4f2b6f | 174 | { |
lewiscameron | 0:089b4c4f2b6f | 175 | lcd.printString("Lewis Cameron",0,0); |
lewiscameron | 0:089b4c4f2b6f | 176 | lcd.printString("18689002",0,1); |
lewiscameron | 3:eaa6fbb8fd87 | 177 | lcd.printString("Legionella",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 178 | lcd.printString("Sensor",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 179 | lcd.printString("w/ Custom SP",0,4); |
lewiscameron | 4:b82f09e597ec | 180 | //pc.printf("startup"); |
lewiscameron | 0:089b4c4f2b6f | 181 | lcd.refresh(); |
lewiscameron | 0:089b4c4f2b6f | 182 | wait(5); |
lewiscameron | 0:089b4c4f2b6f | 183 | } |
lewiscameron | 0:089b4c4f2b6f | 184 | |
lewiscameron | 4:b82f09e597ec | 185 | void codeloop() // main loop |
lewiscameron | 0:089b4c4f2b6f | 186 | { |
lewiscameron | 0:089b4c4f2b6f | 187 | int page; |
lewiscameron | 0:089b4c4f2b6f | 188 | |
lewiscameron | 0:089b4c4f2b6f | 189 | while(1){ |
lewiscameron | 0:089b4c4f2b6f | 190 | lcd.clear(); |
lewiscameron | 0:089b4c4f2b6f | 191 | |
lewiscameron | 0:089b4c4f2b6f | 192 | switch(page){ |
lewiscameron | 0:089b4c4f2b6f | 193 | |
lewiscameron | 4:b82f09e597ec | 194 | case 1: // CWS Page |
lewiscameron | 0:089b4c4f2b6f | 195 | { |
lewiscameron | 0:089b4c4f2b6f | 196 | |
lewiscameron | 0:089b4c4f2b6f | 197 | init_pcb(); |
lewiscameron | 0:089b4c4f2b6f | 198 | |
lewiscameron | 0:089b4c4f2b6f | 199 | float temp = tmp.get_temperature(); |
lewiscameron | 0:089b4c4f2b6f | 200 | |
lewiscameron | 0:089b4c4f2b6f | 201 | |
lewiscameron | 0:089b4c4f2b6f | 202 | lcd.clear(); |
lewiscameron | 3:eaa6fbb8fd87 | 203 | lcd.printString("CWS",30,0); |
lewiscameron | 3:eaa6fbb8fd87 | 204 | lcd.printString("Temp =",0,1); |
lewiscameron | 4:b82f09e597ec | 205 | get_temp(); // function to show the temperature on screen |
lewiscameron | 3:eaa6fbb8fd87 | 206 | lcd.printString("Back = Home",0,5); |
lewiscameron | 4:b82f09e597ec | 207 | //pc.printf("CWS"); |
lewiscameron | 0:089b4c4f2b6f | 208 | |
lewiscameron | 4:b82f09e597ec | 209 | if (temp >= CwsHiSP){ // High temperature Alarm Warning appears on screen |
lewiscameron | 3:eaa6fbb8fd87 | 210 | lcd.printString("CWS Temp High",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 211 | lcd.printString("Legionella",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 212 | lcd.printString("Warning",0,4); |
lewiscameron | 0:089b4c4f2b6f | 213 | led_red1 = 0; |
lewiscameron | 4:b82f09e597ec | 214 | //pc.printf("CWS High Temp"); |
lewiscameron | 0:089b4c4f2b6f | 215 | } |
lewiscameron | 0:089b4c4f2b6f | 216 | |
lewiscameron | 4:b82f09e597ec | 217 | else if (temp < CwsHiSP){ // Temperature at safe levels so message appears on screen |
lewiscameron | 3:eaa6fbb8fd87 | 218 | lcd.printString("Temp OK",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 219 | lcd.printString("No Danger",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 220 | lcd.printString("Of Legionella",0,4); |
lewiscameron | 0:089b4c4f2b6f | 221 | led_red1 = 1; |
lewiscameron | 4:b82f09e597ec | 222 | //pc.printf("CWS Temp OK"); |
lewiscameron | 0:089b4c4f2b6f | 223 | } |
lewiscameron | 0:089b4c4f2b6f | 224 | |
lewiscameron | 0:089b4c4f2b6f | 225 | if (button_back_flag) { |
lewiscameron | 0:089b4c4f2b6f | 226 | button_back_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 227 | page = 0; |
lewiscameron | 0:089b4c4f2b6f | 228 | } |
lewiscameron | 3:eaa6fbb8fd87 | 229 | lcd.refresh(); |
lewiscameron | 0:089b4c4f2b6f | 230 | } |
lewiscameron | 0:089b4c4f2b6f | 231 | break; |
lewiscameron | 0:089b4c4f2b6f | 232 | |
lewiscameron | 0:089b4c4f2b6f | 233 | case 2: |
lewiscameron | 0:089b4c4f2b6f | 234 | { |
lewiscameron | 0:089b4c4f2b6f | 235 | |
lewiscameron | 0:089b4c4f2b6f | 236 | init_pcb(); |
lewiscameron | 0:089b4c4f2b6f | 237 | float temp = tmp.get_temperature(); |
lewiscameron | 0:089b4c4f2b6f | 238 | |
lewiscameron | 0:089b4c4f2b6f | 239 | lcd.clear(); |
lewiscameron | 3:eaa6fbb8fd87 | 240 | lcd.printString("HWS",30,0); |
lewiscameron | 3:eaa6fbb8fd87 | 241 | lcd.printString("Temp =",0,1); |
lewiscameron | 0:089b4c4f2b6f | 242 | get_temp(); |
lewiscameron | 3:eaa6fbb8fd87 | 243 | lcd.printString("Back = Home",0,5); |
lewiscameron | 0:089b4c4f2b6f | 244 | |
lewiscameron | 4:b82f09e597ec | 245 | if (HwsLoLimSP < temp & temp < HwsKaSP){ // Temperature between 50-70 degrees which will start killing legionella |
lewiscameron | 3:eaa6fbb8fd87 | 246 | lcd.printString("Temp Raised",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 247 | lcd.printString("Killing",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 248 | lcd.printString("Legionella",0,4); |
lewiscameron | 0:089b4c4f2b6f | 249 | led_green1 = 0; |
lewiscameron | 4:b82f09e597ec | 250 | //pc.printf("Temp killing legionella"); |
lewiscameron | 0:089b4c4f2b6f | 251 | } |
lewiscameron | 0:089b4c4f2b6f | 252 | |
lewiscameron | 4:b82f09e597ec | 253 | else if (temp >= HwsKaSP){ // Temperature above 70 degrees killing all legionella |
lewiscameron | 3:eaa6fbb8fd87 | 254 | lcd.printString("Temp Raised",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 255 | lcd.printString("No Danger",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 256 | lcd.printString("Of Legionella",0,4); |
lewiscameron | 0:089b4c4f2b6f | 257 | led_green1 = 0; |
lewiscameron | 0:089b4c4f2b6f | 258 | led_green2 = 0; |
lewiscameron | 4:b82f09e597ec | 259 | //pc.printf("Temp killed all legionella"); |
lewiscameron | 0:089b4c4f2b6f | 260 | } |
lewiscameron | 0:089b4c4f2b6f | 261 | |
lewiscameron | 4:b82f09e597ec | 262 | else if (temp < HwsLoLimSP){ // Temperature below 50 degrees allowing for legionella to live |
lewiscameron | 3:eaa6fbb8fd87 | 263 | lcd.printString("Temp Low",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 264 | lcd.printString("Legionella",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 265 | lcd.printString("Warning",0,4); |
lewiscameron | 0:089b4c4f2b6f | 266 | led_red1 = 0; |
lewiscameron | 4:b82f09e597ec | 267 | //pc.printf("Temp too low legionella warning"); |
lewiscameron | 0:089b4c4f2b6f | 268 | } |
lewiscameron | 0:089b4c4f2b6f | 269 | |
lewiscameron | 0:089b4c4f2b6f | 270 | if (button_back_flag) { |
lewiscameron | 0:089b4c4f2b6f | 271 | button_back_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 272 | page = 0; |
lewiscameron | 0:089b4c4f2b6f | 273 | } |
lewiscameron | 0:089b4c4f2b6f | 274 | |
lewiscameron | 3:eaa6fbb8fd87 | 275 | lcd.refresh(); |
lewiscameron | 3:eaa6fbb8fd87 | 276 | |
lewiscameron | 0:089b4c4f2b6f | 277 | } |
lewiscameron | 0:089b4c4f2b6f | 278 | |
lewiscameron | 0:089b4c4f2b6f | 279 | |
lewiscameron | 0:089b4c4f2b6f | 280 | |
lewiscameron | 0:089b4c4f2b6f | 281 | break; |
lewiscameron | 0:089b4c4f2b6f | 282 | |
lewiscameron | 0:089b4c4f2b6f | 283 | case 3: |
lewiscameron | 0:089b4c4f2b6f | 284 | { |
lewiscameron | 0:089b4c4f2b6f | 285 | |
lewiscameron | 0:089b4c4f2b6f | 286 | init_pcb(); |
lewiscameron | 3:eaa6fbb8fd87 | 287 | float temp = tmp.get_temperature(); |
lewiscameron | 3:eaa6fbb8fd87 | 288 | |
lewiscameron | 0:089b4c4f2b6f | 289 | lcd.clear(); |
lewiscameron | 0:089b4c4f2b6f | 290 | |
lewiscameron | 3:eaa6fbb8fd87 | 291 | lcd.printString("Custom SP",15,0); |
lewiscameron | 3:eaa6fbb8fd87 | 292 | lcd.printString("Temp =",0,1); |
lewiscameron | 0:089b4c4f2b6f | 293 | get_temp(); |
lewiscameron | 4:b82f09e597ec | 294 | CustHi_SP(); // function to change high limit setpoint |
lewiscameron | 4:b82f09e597ec | 295 | CustLo_SP(); // function to change low limit setpoint |
lewiscameron | 4:b82f09e597ec | 296 | ShowSP(); // function to show both setpoints and change them on screen |
lewiscameron | 3:eaa6fbb8fd87 | 297 | lcd.printString("Back = Home",0,5); |
lewiscameron | 3:eaa6fbb8fd87 | 298 | |
lewiscameron | 3:eaa6fbb8fd87 | 299 | if (CustomLoSP < temp & temp < CustomHiSP){ |
lewiscameron | 3:eaa6fbb8fd87 | 300 | lcd.printString("Temp In Range",0,4); |
lewiscameron | 3:eaa6fbb8fd87 | 301 | led_green1 = 0; |
lewiscameron | 4:b82f09e597ec | 302 | //pc.printf("Temp in custom range"); |
lewiscameron | 3:eaa6fbb8fd87 | 303 | } |
lewiscameron | 3:eaa6fbb8fd87 | 304 | |
lewiscameron | 3:eaa6fbb8fd87 | 305 | else if (temp > CustomHiSP){ |
lewiscameron | 3:eaa6fbb8fd87 | 306 | lcd.printString("High Temp",0,4); |
lewiscameron | 3:eaa6fbb8fd87 | 307 | led_red1 = 0; |
lewiscameron | 4:b82f09e597ec | 308 | //pc.printf("Custom temp high limit"); |
lewiscameron | 3:eaa6fbb8fd87 | 309 | } |
lewiscameron | 3:eaa6fbb8fd87 | 310 | |
lewiscameron | 3:eaa6fbb8fd87 | 311 | else if (temp < CustomLoSP){ |
lewiscameron | 3:eaa6fbb8fd87 | 312 | lcd.printString("Low Temp",0,4); |
lewiscameron | 3:eaa6fbb8fd87 | 313 | led_red2 = 0; |
lewiscameron | 4:b82f09e597ec | 314 | //pc.printf("Custom temp low limit"); |
lewiscameron | 3:eaa6fbb8fd87 | 315 | } |
lewiscameron | 0:089b4c4f2b6f | 316 | |
lewiscameron | 0:089b4c4f2b6f | 317 | if (button_back_flag) { |
lewiscameron | 0:089b4c4f2b6f | 318 | button_back_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 319 | page = 0; |
lewiscameron | 0:089b4c4f2b6f | 320 | } |
lewiscameron | 3:eaa6fbb8fd87 | 321 | lcd.refresh(); |
lewiscameron | 0:089b4c4f2b6f | 322 | |
lewiscameron | 0:089b4c4f2b6f | 323 | } |
lewiscameron | 0:089b4c4f2b6f | 324 | |
lewiscameron | 0:089b4c4f2b6f | 325 | break; |
lewiscameron | 0:089b4c4f2b6f | 326 | |
lewiscameron | 0:089b4c4f2b6f | 327 | case 4: |
lewiscameron | 0:089b4c4f2b6f | 328 | { |
lewiscameron | 0:089b4c4f2b6f | 329 | init_pcb(); |
lewiscameron | 0:089b4c4f2b6f | 330 | lcd.clear(); |
lewiscameron | 3:eaa6fbb8fd87 | 331 | lcd.printString("Info",26,0); |
lewiscameron | 3:eaa6fbb8fd87 | 332 | lcd.printString("Legionella",0,1); |
lewiscameron | 3:eaa6fbb8fd87 | 333 | lcd.printString("Detector",0,2); |
lewiscameron | 3:eaa6fbb8fd87 | 334 | lcd.printString("Lewis Cameron",0,3); |
lewiscameron | 3:eaa6fbb8fd87 | 335 | lcd.printString("18689002",0,4); |
lewiscameron | 3:eaa6fbb8fd87 | 336 | lcd.printString("Back = Home",0,5); |
lewiscameron | 3:eaa6fbb8fd87 | 337 | lcd.refresh(); |
lewiscameron | 4:b82f09e597ec | 338 | //pc.printf("Info page"); |
lewiscameron | 0:089b4c4f2b6f | 339 | |
lewiscameron | 0:089b4c4f2b6f | 340 | if (button_back_flag) { |
lewiscameron | 0:089b4c4f2b6f | 341 | button_back_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 342 | page = 0; |
lewiscameron | 0:089b4c4f2b6f | 343 | } |
lewiscameron | 0:089b4c4f2b6f | 344 | |
lewiscameron | 0:089b4c4f2b6f | 345 | } |
lewiscameron | 0:089b4c4f2b6f | 346 | |
lewiscameron | 0:089b4c4f2b6f | 347 | |
lewiscameron | 0:089b4c4f2b6f | 348 | |
lewiscameron | 0:089b4c4f2b6f | 349 | break; |
lewiscameron | 0:089b4c4f2b6f | 350 | { |
lewiscameron | 0:089b4c4f2b6f | 351 | default: |
lewiscameron | 0:089b4c4f2b6f | 352 | init_pcb(); |
lewiscameron | 0:089b4c4f2b6f | 353 | lcd.clear(); |
lewiscameron | 0:089b4c4f2b6f | 354 | |
lewiscameron | 3:eaa6fbb8fd87 | 355 | lcd.printString("Main Menu",15,0); |
lewiscameron | 0:089b4c4f2b6f | 356 | lcd.printString("A = Cold Water",0,1); |
lewiscameron | 0:089b4c4f2b6f | 357 | lcd.printString("B = Hot Water",0,2); |
lewiscameron | 0:089b4c4f2b6f | 358 | lcd.printString("X = Custom SP",0,3); |
lewiscameron | 0:089b4c4f2b6f | 359 | lcd.printString("Y = Info",0,4); |
lewiscameron | 0:089b4c4f2b6f | 360 | lcd.refresh(); |
lewiscameron | 0:089b4c4f2b6f | 361 | |
lewiscameron | 0:089b4c4f2b6f | 362 | if (button_a_flag) { |
lewiscameron | 0:089b4c4f2b6f | 363 | button_a_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 364 | page = 1; |
lewiscameron | 4:b82f09e597ec | 365 | //pc.printf("A Pressed"); |
lewiscameron | 0:089b4c4f2b6f | 366 | } |
lewiscameron | 0:089b4c4f2b6f | 367 | |
lewiscameron | 0:089b4c4f2b6f | 368 | if (button_b_flag) { |
lewiscameron | 0:089b4c4f2b6f | 369 | button_b_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 370 | page = 2; |
lewiscameron | 4:b82f09e597ec | 371 | //pc.printf("B Pressed"); |
lewiscameron | 0:089b4c4f2b6f | 372 | } |
lewiscameron | 0:089b4c4f2b6f | 373 | |
lewiscameron | 0:089b4c4f2b6f | 374 | if (button_x_flag) { |
lewiscameron | 0:089b4c4f2b6f | 375 | button_x_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 376 | page = 3; |
lewiscameron | 4:b82f09e597ec | 377 | //pc.printf("X Pressed"); |
lewiscameron | 0:089b4c4f2b6f | 378 | } |
lewiscameron | 0:089b4c4f2b6f | 379 | |
lewiscameron | 0:089b4c4f2b6f | 380 | if (button_y_flag) { |
lewiscameron | 0:089b4c4f2b6f | 381 | button_y_flag = 0; |
lewiscameron | 0:089b4c4f2b6f | 382 | page = 4; |
lewiscameron | 4:b82f09e597ec | 383 | //pc.printf("Y Pressed"); |
lewiscameron | 0:089b4c4f2b6f | 384 | } |
lewiscameron | 0:089b4c4f2b6f | 385 | |
lewiscameron | 0:089b4c4f2b6f | 386 | } |
lewiscameron | 0:089b4c4f2b6f | 387 | } |
lewiscameron | 1:87661a0c8ba3 | 388 | |
lewiscameron | 0:089b4c4f2b6f | 389 | } |
lewiscameron | 1:87661a0c8ba3 | 390 | } |
lewiscameron | 1:87661a0c8ba3 | 391 | |
lewiscameron | 1:87661a0c8ba3 | 392 | |
lewiscameron | 0:089b4c4f2b6f | 393 | |
lewiscameron | 1:87661a0c8ba3 | 394 | void button_a_isr() |
lewiscameron | 0:089b4c4f2b6f | 395 | { |
lewiscameron | 0:089b4c4f2b6f | 396 | button_a_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 397 | } |
lewiscameron | 0:089b4c4f2b6f | 398 | |
lewiscameron | 1:87661a0c8ba3 | 399 | void button_b_isr() |
lewiscameron | 0:089b4c4f2b6f | 400 | { |
lewiscameron | 0:089b4c4f2b6f | 401 | button_b_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 402 | } |
lewiscameron | 0:089b4c4f2b6f | 403 | |
lewiscameron | 1:87661a0c8ba3 | 404 | void button_x_isr() |
lewiscameron | 0:089b4c4f2b6f | 405 | { |
lewiscameron | 0:089b4c4f2b6f | 406 | button_x_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 407 | } |
lewiscameron | 0:089b4c4f2b6f | 408 | |
lewiscameron | 1:87661a0c8ba3 | 409 | void button_y_isr() |
lewiscameron | 0:089b4c4f2b6f | 410 | { |
lewiscameron | 0:089b4c4f2b6f | 411 | button_y_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 412 | } |
lewiscameron | 0:089b4c4f2b6f | 413 | |
lewiscameron | 1:87661a0c8ba3 | 414 | void button_left_isr() |
lewiscameron | 0:089b4c4f2b6f | 415 | { |
lewiscameron | 0:089b4c4f2b6f | 416 | button_left_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 417 | } |
lewiscameron | 0:089b4c4f2b6f | 418 | |
lewiscameron | 1:87661a0c8ba3 | 419 | void button_right_isr() |
lewiscameron | 0:089b4c4f2b6f | 420 | { |
lewiscameron | 0:089b4c4f2b6f | 421 | button_right_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 422 | } |
lewiscameron | 0:089b4c4f2b6f | 423 | |
lewiscameron | 1:87661a0c8ba3 | 424 | void button_back_isr() |
lewiscameron | 0:089b4c4f2b6f | 425 | { |
lewiscameron | 0:089b4c4f2b6f | 426 | button_back_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 427 | } |
lewiscameron | 0:089b4c4f2b6f | 428 | |
lewiscameron | 0:089b4c4f2b6f | 429 | |
lewiscameron | 1:87661a0c8ba3 | 430 | void button_start_isr() |
lewiscameron | 0:089b4c4f2b6f | 431 | { |
lewiscameron | 0:089b4c4f2b6f | 432 | button_start_flag = 1; |
lewiscameron | 0:089b4c4f2b6f | 433 | } |
lewiscameron | 0:089b4c4f2b6f | 434 | |
lewiscameron | 1:87661a0c8ba3 | 435 | void cwshigh() |
lewiscameron | 0:089b4c4f2b6f | 436 | { |
lewiscameron | 0:089b4c4f2b6f | 437 | lcd.printString("Water Temp Too High",0,3); |
lewiscameron | 0:089b4c4f2b6f | 438 | led_red1 = 0; |
lewiscameron | 0:089b4c4f2b6f | 439 | } |
lewiscameron | 0:089b4c4f2b6f | 440 | |
lewiscameron | 1:87661a0c8ba3 | 441 | void get_temp() |
lewiscameron | 0:089b4c4f2b6f | 442 | { |
lewiscameron | 0:089b4c4f2b6f | 443 | char buffer[14]; |
lewiscameron | 0:089b4c4f2b6f | 444 | float temp = tmp.get_temperature(); |
lewiscameron | 0:089b4c4f2b6f | 445 | int length = sprintf(buffer,"%.2f C",temp); |
lewiscameron | 0:089b4c4f2b6f | 446 | //pc.printf("temp = %f K\n",temp); |
lewiscameron | 0:089b4c4f2b6f | 447 | if (length <=14) |
lewiscameron | 3:eaa6fbb8fd87 | 448 | lcd.printString(buffer,38,1); |
lewiscameron | 0:089b4c4f2b6f | 449 | |
lewiscameron | 0:089b4c4f2b6f | 450 | } |
lewiscameron | 0:089b4c4f2b6f | 451 | |
lewiscameron | 1:87661a0c8ba3 | 452 | void CustHi_SP() |
lewiscameron | 0:089b4c4f2b6f | 453 | { |
lewiscameron | 4:b82f09e597ec | 454 | Direction d = Joystick.get_direction(); //gets the direction the joystick is pushed |
lewiscameron | 0:089b4c4f2b6f | 455 | |
lewiscameron | 0:089b4c4f2b6f | 456 | |
lewiscameron | 4:b82f09e597ec | 457 | if (d == W) { // decreases the setpoint when it is pushed left |
lewiscameron | 4:b82f09e597ec | 458 | //pc.printf("Joystick Left"); |
lewiscameron | 3:eaa6fbb8fd87 | 459 | CustomHiSP = CustomHiSP - 1; |
lewiscameron | 0:089b4c4f2b6f | 460 | wait(0.5); |
lewiscameron | 0:089b4c4f2b6f | 461 | } |
lewiscameron | 0:089b4c4f2b6f | 462 | |
lewiscameron | 4:b82f09e597ec | 463 | if (d == E) { //increases the setpoint when it is pushed right |
lewiscameron | 4:b82f09e597ec | 464 | //pc.printf("Joystick Right"); |
lewiscameron | 3:eaa6fbb8fd87 | 465 | CustomHiSP = CustomHiSP + 1; |
lewiscameron | 0:089b4c4f2b6f | 466 | wait(0.5); |
lewiscameron | 0:089b4c4f2b6f | 467 | |
lewiscameron | 0:089b4c4f2b6f | 468 | } |
lewiscameron | 0:089b4c4f2b6f | 469 | } |
lewiscameron | 0:089b4c4f2b6f | 470 | |
lewiscameron | 4:b82f09e597ec | 471 | void CustLo_SP() //function to change low limit SP |
lewiscameron | 0:089b4c4f2b6f | 472 | { |
lewiscameron | 4:b82f09e597ec | 473 | if (button_left_flag) { //decreases the setpoint when the left bumper is pressed |
lewiscameron | 0:089b4c4f2b6f | 474 | button_left_flag = 0; |
lewiscameron | 4:b82f09e597ec | 475 | //pc.printf("Left pressed"); |
lewiscameron | 3:eaa6fbb8fd87 | 476 | CustomLoSP = CustomLoSP - 1; |
lewiscameron | 0:089b4c4f2b6f | 477 | wait(0.5); |
lewiscameron | 0:089b4c4f2b6f | 478 | } |
lewiscameron | 0:089b4c4f2b6f | 479 | |
lewiscameron | 4:b82f09e597ec | 480 | if (button_right_flag) { // increases the setpoint when the right bumper is pressed |
lewiscameron | 0:089b4c4f2b6f | 481 | button_right_flag = 0; |
lewiscameron | 4:b82f09e597ec | 482 | //pc.printf("Right pressed"); |
lewiscameron | 3:eaa6fbb8fd87 | 483 | CustomLoSP = CustomLoSP + 1; |
lewiscameron | 0:089b4c4f2b6f | 484 | wait(0.5); |
lewiscameron | 0:089b4c4f2b6f | 485 | } |
lewiscameron | 0:089b4c4f2b6f | 486 | |
lewiscameron | 3:eaa6fbb8fd87 | 487 | } |
lewiscameron | 3:eaa6fbb8fd87 | 488 | |
lewiscameron | 3:eaa6fbb8fd87 | 489 | void ShowSP() |
lewiscameron | 3:eaa6fbb8fd87 | 490 | { |
lewiscameron | 3:eaa6fbb8fd87 | 491 | char buffer[14]; |
lewiscameron | 0:089b4c4f2b6f | 492 | int length = sprintf(buffer,"LoLimSP=%.2iC",CustomLoSP); |
lewiscameron | 0:089b4c4f2b6f | 493 | |
lewiscameron | 0:089b4c4f2b6f | 494 | if (length <= 14); { |
lewiscameron | 4:b82f09e597ec | 495 | lcd.printString(buffer,0,3); // prints the low SP value on screen |
lewiscameron | 3:eaa6fbb8fd87 | 496 | } |
lewiscameron | 3:eaa6fbb8fd87 | 497 | |
lewiscameron | 3:eaa6fbb8fd87 | 498 | length = sprintf(buffer,"HiLimSP=%.2iC",CustomHiSP); |
lewiscameron | 3:eaa6fbb8fd87 | 499 | |
lewiscameron | 3:eaa6fbb8fd87 | 500 | if (length <= 14); { |
lewiscameron | 4:b82f09e597ec | 501 | lcd.printString(buffer,0,2); // prints the high SP value on screen |
lewiscameron | 0:089b4c4f2b6f | 502 | } |
lewiscameron | 0:089b4c4f2b6f | 503 | } |
lewiscameron | 3:eaa6fbb8fd87 | 504 | |
lewiscameron | 2:9d6daa8a091c | 505 | |
lewiscameron | 4:b82f09e597ec | 506 | void TMP102::error() // function to show that there is an error with the temp sensor on screen and switch on a red LED |
lewiscameron | 2:9d6daa8a091c | 507 | { |
lewiscameron | 4:b82f09e597ec | 508 | |
lewiscameron | 2:9d6daa8a091c | 509 | startup(); |
lewiscameron | 2:9d6daa8a091c | 510 | lcd.clear(); |
lewiscameron | 2:9d6daa8a091c | 511 | lcd.printString("TMP102",0,0); |
lewiscameron | 2:9d6daa8a091c | 512 | lcd.printString("Sensor Error",0,1); |
lewiscameron | 2:9d6daa8a091c | 513 | |
lewiscameron | 2:9d6daa8a091c | 514 | while(1) { |
lewiscameron | 4:b82f09e597ec | 515 | //printf("Temp sensor error \n"); |
lewiscameron | 2:9d6daa8a091c | 516 | led_red2 = 0; |
lewiscameron | 2:9d6daa8a091c | 517 | } |
lewiscameron | 2:9d6daa8a091c | 518 | } |
lewiscameron | 2:9d6daa8a091c | 519 | |
lewiscameron | 0:089b4c4f2b6f | 520 | |
lewiscameron | 0:089b4c4f2b6f | 521 | |
lewiscameron | 0:089b4c4f2b6f | 522 | |
lewiscameron | 1:87661a0c8ba3 | 523 | |
lewiscameron | 0:089b4c4f2b6f | 524 |