Plymouth ELEC351 Group T
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ELEC351_Group_T
FINAL PROJECT isn't it
Fork of ELEC351 by
main.cpp@7:dfe19413fdc2, 2017-12-11 (annotated)
- Committer:
- thomasmorris
- Date:
- Mon Dec 11 19:25:35 2017 +0000
- Revision:
- 7:dfe19413fdc2
- Parent:
- 6:97f586597310
- Child:
- 8:0e4481b64353
11/12/2017 Working LCD mode selection with time
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
thomasmorris | 6:97f586597310 | 1 | /* |
thomasmorris | 6:97f586597310 | 2 | ELEC 351 Group T |
thomasmorris | 6:97f586597310 | 3 | Team Members : Christopher Hills, Thomas Morris |
thomasmorris | 6:97f586597310 | 4 | Current Verision 1 |
thomasmorris | 6:97f586597310 | 5 | Overiew: Working Tasks 1,5,7 |
thomasmorris | 6:97f586597310 | 6 | */ |
thomasmorris | 6:97f586597310 | 7 | |
thomasmorris | 6:97f586597310 | 8 | |
noutram | 1:e1cf7663f5ff | 9 | #include "sample_hardware.hpp" |
noutram | 3:a88838ff33e7 | 10 | #include "Networkbits.hpp" |
thomasmorris | 5:2594b953f111 | 11 | #include "rtos.h" |
thomasmorris | 5:2594b953f111 | 12 | #include "LED.hpp" |
thomasmorris | 5:2594b953f111 | 13 | #define SamplingTime 1 |
thomasmorris | 5:2594b953f111 | 14 | #define NotSamplingTime 0 |
thomasmorris | 7:dfe19413fdc2 | 15 | #define Print_Time_to_LCD 1 |
thomasmorris | 7:dfe19413fdc2 | 16 | #define Dont_Print_Time_to_LCD 0 |
thomasmorris | 5:2594b953f111 | 17 | #define TimerInterval 15 //This is in seconds |
thomasmorris | 7:dfe19413fdc2 | 18 | #define EDGE_RISEN 1 |
thomasmorris | 7:dfe19413fdc2 | 19 | #define EDGE_FALLEN 0 |
thomasmorris | 5:2594b953f111 | 20 | Serial pc(USBTX, USBRX); |
thomasmorris | 7:dfe19413fdc2 | 21 | //SW1+SW2 are declared as interrupt ins in sample hardwarec.pp |
noutram | 3:a88838ff33e7 | 22 | // This is a very short demo that demonstrates all the hardware used in the coursework. |
noutram | 3:a88838ff33e7 | 23 | // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1 |
thomasmorris | 5:2594b953f111 | 24 | //Thread ID |
thomasmorris | 5:2594b953f111 | 25 | osThreadId idMain; |
thomasmorris | 5:2594b953f111 | 26 | osThreadId id1; |
thomasmorris | 5:2594b953f111 | 27 | osThreadId id2; |
thomasmorris | 5:2594b953f111 | 28 | osThreadId id3; |
thomasmorris | 5:2594b953f111 | 29 | osThreadId id4; |
noutram | 0:36e89e3ed7c4 | 30 | |
thomasmorris | 7:dfe19413fdc2 | 31 | Timeout sw1TimeOut;//Used to prevent switch bounce |
thomasmorris | 7:dfe19413fdc2 | 32 | |
thomasmorris | 5:2594b953f111 | 33 | LED Red_led(PE_15); |
thomasmorris | 5:2594b953f111 | 34 | LED Yellow_led(PB_10); |
thomasmorris | 5:2594b953f111 | 35 | LED Green_led(PB_11); |
thomasmorris | 5:2594b953f111 | 36 | |
thomasmorris | 5:2594b953f111 | 37 | Ticker Sample_timer; |
noutram | 3:a88838ff33e7 | 38 | //Threads |
noutram | 3:a88838ff33e7 | 39 | Thread nwrkThread; |
thomasmorris | 5:2594b953f111 | 40 | Thread t1; |
thomasmorris | 5:2594b953f111 | 41 | Thread t2; |
thomasmorris | 7:dfe19413fdc2 | 42 | Thread t3; |
thomasmorris | 7:dfe19413fdc2 | 43 | Thread t4; |
thomasmorris | 7:dfe19413fdc2 | 44 | Thread t5; |
thomasmorris | 7:dfe19413fdc2 | 45 | Thread t6; |
thomasmorris | 7:dfe19413fdc2 | 46 | |
thomasmorris | 7:dfe19413fdc2 | 47 | double temp = 0; |
thomasmorris | 7:dfe19413fdc2 | 48 | double pressure = 0; |
thomasmorris | 7:dfe19413fdc2 | 49 | double lux = 0; |
thomasmorris | 7:dfe19413fdc2 | 50 | |
thomasmorris | 7:dfe19413fdc2 | 51 | char buffer[32]; |
thomasmorris | 7:dfe19413fdc2 | 52 | |
thomasmorris | 7:dfe19413fdc2 | 53 | |
thomasmorris | 7:dfe19413fdc2 | 54 | void SW1FallingEdge(); |
thomasmorris | 7:dfe19413fdc2 | 55 | void SW1TimeOutHandler(); |
thomasmorris | 7:dfe19413fdc2 | 56 | |
thomasmorris | 7:dfe19413fdc2 | 57 | int mode = 0; |
thomasmorris | 7:dfe19413fdc2 | 58 | |
thomasmorris | 7:dfe19413fdc2 | 59 | //Interrupt service routine for handling the timeout |
thomasmorris | 7:dfe19413fdc2 | 60 | void SW1TimeOutHandler() { |
thomasmorris | 7:dfe19413fdc2 | 61 | sw1TimeOut.detach(); //Stop the timeout counter firing |
thomasmorris | 7:dfe19413fdc2 | 62 | SW1.fall(&SW1FallingEdge); //Now wait for a falling edge |
thomasmorris | 7:dfe19413fdc2 | 63 | } |
thomasmorris | 7:dfe19413fdc2 | 64 | |
thomasmorris | 7:dfe19413fdc2 | 65 | //Interrupt service routive for SW1 falling edge (release) |
thomasmorris | 7:dfe19413fdc2 | 66 | void SW1FallingEdge() { |
thomasmorris | 7:dfe19413fdc2 | 67 | SW1.fall(NULL); //Disable this interrupt |
thomasmorris | 7:dfe19413fdc2 | 68 | Yellow_led.Toggle(); //Toggle LED |
thomasmorris | 7:dfe19413fdc2 | 69 | |
thomasmorris | 7:dfe19413fdc2 | 70 | mode = mode +1;//Cycles through modes |
thomasmorris | 7:dfe19413fdc2 | 71 | if(mode >1) |
thomasmorris | 7:dfe19413fdc2 | 72 | { |
thomasmorris | 7:dfe19413fdc2 | 73 | mode = 0; |
thomasmorris | 7:dfe19413fdc2 | 74 | } |
thomasmorris | 7:dfe19413fdc2 | 75 | |
thomasmorris | 7:dfe19413fdc2 | 76 | sw1TimeOut.attach(&SW1TimeOutHandler, 0.2); //Start timeout counter |
thomasmorris | 7:dfe19413fdc2 | 77 | } |
thomasmorris | 7:dfe19413fdc2 | 78 | |
thomasmorris | 7:dfe19413fdc2 | 79 | void ModeSelection() |
thomasmorris | 7:dfe19413fdc2 | 80 | { |
thomasmorris | 7:dfe19413fdc2 | 81 | while(1){ |
thomasmorris | 7:dfe19413fdc2 | 82 | Thread::wait(1000); |
thomasmorris | 7:dfe19413fdc2 | 83 | //Detech the not required interrupt then rettach it when finshed |
thomasmorris | 7:dfe19413fdc2 | 84 | if(mode == 0)//Print values to the LCD |
thomasmorris | 7:dfe19413fdc2 | 85 | { |
thomasmorris | 7:dfe19413fdc2 | 86 | //Write new data to LCD (not fast!) |
thomasmorris | 7:dfe19413fdc2 | 87 | lcd.cls(); |
thomasmorris | 7:dfe19413fdc2 | 88 | lcd.printf("Temp Pres li\n"); |
thomasmorris | 7:dfe19413fdc2 | 89 | lcd.printf("%1.1f ",temp); |
thomasmorris | 7:dfe19413fdc2 | 90 | lcd.printf("%1.1f ",pressure); |
thomasmorris | 7:dfe19413fdc2 | 91 | lcd.printf("%1.1f\n",lux); |
thomasmorris | 7:dfe19413fdc2 | 92 | } |
thomasmorris | 7:dfe19413fdc2 | 93 | else if(mode == 1)//Print the Time to the LCD |
thomasmorris | 7:dfe19413fdc2 | 94 | { |
thomasmorris | 7:dfe19413fdc2 | 95 | //Write new data to LCD (not fast!) |
thomasmorris | 7:dfe19413fdc2 | 96 | lcd.cls(); |
thomasmorris | 7:dfe19413fdc2 | 97 | |
thomasmorris | 7:dfe19413fdc2 | 98 | lcd.printf("Current Time:%s", buffer); |
thomasmorris | 7:dfe19413fdc2 | 99 | |
thomasmorris | 7:dfe19413fdc2 | 100 | //Write to SD (potentially slow) |
thomasmorris | 7:dfe19413fdc2 | 101 | //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure); |
thomasmorris | 7:dfe19413fdc2 | 102 | } |
thomasmorris | 7:dfe19413fdc2 | 103 | else |
thomasmorris | 7:dfe19413fdc2 | 104 | { |
thomasmorris | 7:dfe19413fdc2 | 105 | mode = 0; |
thomasmorris | 7:dfe19413fdc2 | 106 | } |
thomasmorris | 7:dfe19413fdc2 | 107 | } |
thomasmorris | 7:dfe19413fdc2 | 108 | } |
thomasmorris | 7:dfe19413fdc2 | 109 | |
thomasmorris | 7:dfe19413fdc2 | 110 | void PrintTime() |
thomasmorris | 7:dfe19413fdc2 | 111 | { |
thomasmorris | 7:dfe19413fdc2 | 112 | Thread::signal_wait(Print_Time_to_LCD); |
thomasmorris | 7:dfe19413fdc2 | 113 | while(1) |
thomasmorris | 7:dfe19413fdc2 | 114 | { |
thomasmorris | 7:dfe19413fdc2 | 115 | //lcd.printf("Current Time: \n %s", buffer); |
thomasmorris | 7:dfe19413fdc2 | 116 | Thread::wait(1000);//Waits the thread for 1 second |
thomasmorris | 7:dfe19413fdc2 | 117 | } |
thomasmorris | 7:dfe19413fdc2 | 118 | } |
thomasmorris | 7:dfe19413fdc2 | 119 | void Time() |
thomasmorris | 7:dfe19413fdc2 | 120 | { |
thomasmorris | 7:dfe19413fdc2 | 121 | while (true) |
thomasmorris | 7:dfe19413fdc2 | 122 | { |
thomasmorris | 7:dfe19413fdc2 | 123 | time_t seconds = time(NULL); |
thomasmorris | 7:dfe19413fdc2 | 124 | //pc.printf("Time as seconds since January 1, 1970 = %d\n", seconds); |
thomasmorris | 7:dfe19413fdc2 | 125 | //pc.printf("Time as a basic string = %s", ctime(&seconds)); |
thomasmorris | 7:dfe19413fdc2 | 126 | strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds)); |
thomasmorris | 7:dfe19413fdc2 | 127 | pc.printf("Current Time:%s", buffer); |
thomasmorris | 7:dfe19413fdc2 | 128 | |
thomasmorris | 7:dfe19413fdc2 | 129 | Thread::wait(1000); |
thomasmorris | 7:dfe19413fdc2 | 130 | } |
thomasmorris | 7:dfe19413fdc2 | 131 | } |
thomasmorris | 7:dfe19413fdc2 | 132 | |
thomasmorris | 5:2594b953f111 | 133 | |
thomasmorris | 5:2594b953f111 | 134 | void Serial_Comms()//Thread for Serial Communications |
thomasmorris | 5:2594b953f111 | 135 | { |
thomasmorris | 5:2594b953f111 | 136 | pc.printf("Hello World \n"); |
thomasmorris | 5:2594b953f111 | 137 | while(1) |
thomasmorris | 5:2594b953f111 | 138 | { |
thomasmorris | 7:dfe19413fdc2 | 139 | pc.printf("Test\n");//Use this Line to output a string to Putty |
thomasmorris | 7:dfe19413fdc2 | 140 | Green_led.Toggle(); |
thomasmorris | 5:2594b953f111 | 141 | Thread::wait(1000); |
thomasmorris | 5:2594b953f111 | 142 | } |
thomasmorris | 5:2594b953f111 | 143 | } |
thomasmorris | 5:2594b953f111 | 144 | |
thomasmorris | 5:2594b953f111 | 145 | void Sample_signal_set()//Sets the Signal for when to sample the sensors |
thomasmorris | 5:2594b953f111 | 146 | { |
thomasmorris | 5:2594b953f111 | 147 | t1.signal_set(SamplingTime); |
thomasmorris | 5:2594b953f111 | 148 | } |
noutram | 3:a88838ff33e7 | 149 | |
thomasmorris | 5:2594b953f111 | 150 | void Sample()//Samples the hardware and prints the result to the LCD |
thomasmorris | 5:2594b953f111 | 151 | { |
thomasmorris | 5:2594b953f111 | 152 | while(1) |
thomasmorris | 5:2594b953f111 | 153 | { |
thomasmorris | 5:2594b953f111 | 154 | Thread::signal_wait(SamplingTime); |
thomasmorris | 7:dfe19413fdc2 | 155 | |
thomasmorris | 5:2594b953f111 | 156 | //Read environmental sensors |
thomasmorris | 5:2594b953f111 | 157 | |
thomasmorris | 7:dfe19413fdc2 | 158 | temp = sensor.getTemperature(); |
thomasmorris | 7:dfe19413fdc2 | 159 | pressure = sensor.getPressure(); |
thomasmorris | 7:dfe19413fdc2 | 160 | lux = adcIn.read(); |
thomasmorris | 7:dfe19413fdc2 | 161 | |
thomasmorris | 5:2594b953f111 | 162 | |
thomasmorris | 5:2594b953f111 | 163 | Red_led.Toggle(); |
thomasmorris | 5:2594b953f111 | 164 | t1.signal_set(NotSamplingTime); |
thomasmorris | 5:2594b953f111 | 165 | } |
thomasmorris | 5:2594b953f111 | 166 | } |
thomasmorris | 5:2594b953f111 | 167 | |
thomasmorris | 5:2594b953f111 | 168 | int main() |
thomasmorris | 5:2594b953f111 | 169 | { |
noutram | 1:e1cf7663f5ff | 170 | //Greeting |
noutram | 3:a88838ff33e7 | 171 | printf("Testing\n\n"); |
thomasmorris | 7:dfe19413fdc2 | 172 | set_time(1512940530); // Set RTC time to December 10 2017 |
thomasmorris | 5:2594b953f111 | 173 | pc.baud(9600);//Sets the Serial Comms Baud Rate |
thomasmorris | 5:2594b953f111 | 174 | |
thomasmorris | 5:2594b953f111 | 175 | post();//Power on Self Test |
noutram | 1:e1cf7663f5ff | 176 | |
noutram | 3:a88838ff33e7 | 177 | //Initialise the SD card (this needs to move) |
noutram | 1:e1cf7663f5ff | 178 | if ( sd.init() != 0) { |
noutram | 1:e1cf7663f5ff | 179 | printf("Init failed \n"); |
noutram | 3:a88838ff33e7 | 180 | lcd.cls(); |
noutram | 3:a88838ff33e7 | 181 | lcd.printf("CANNOT INIT SD"); |
noutram | 1:e1cf7663f5ff | 182 | errorCode(FATAL); |
noutram | 1:e1cf7663f5ff | 183 | } |
noutram | 1:e1cf7663f5ff | 184 | |
noutram | 1:e1cf7663f5ff | 185 | //Create a filing system for SD Card |
noutram | 1:e1cf7663f5ff | 186 | FATFileSystem fs("sd", &sd); |
noutram | 0:36e89e3ed7c4 | 187 | |
noutram | 1:e1cf7663f5ff | 188 | //Open to WRITE |
noutram | 1:e1cf7663f5ff | 189 | FILE* fp = fopen("/sd/test.csv","a"); |
noutram | 1:e1cf7663f5ff | 190 | if (fp == NULL) { |
noutram | 1:e1cf7663f5ff | 191 | error("Could not open file for write\n"); |
noutram | 3:a88838ff33e7 | 192 | lcd.cls(); |
noutram | 3:a88838ff33e7 | 193 | lcd.printf("CANNOT OPEN FILE\n\n"); |
noutram | 1:e1cf7663f5ff | 194 | errorCode(FATAL); |
noutram | 1:e1cf7663f5ff | 195 | } |
noutram | 3:a88838ff33e7 | 196 | |
noutram | 3:a88838ff33e7 | 197 | //Last message before sampling begins |
noutram | 3:a88838ff33e7 | 198 | lcd.cls(); |
noutram | 3:a88838ff33e7 | 199 | lcd.printf("READY\n\n"); |
thomasmorris | 5:2594b953f111 | 200 | |
thomasmorris | 5:2594b953f111 | 201 | //Run interrupt |
thomasmorris | 5:2594b953f111 | 202 | Sample_timer.attach(&Sample_signal_set,TimerInterval); |
thomasmorris | 7:dfe19413fdc2 | 203 | SW1.fall(&SW1FallingEdge); |
thomasmorris | 5:2594b953f111 | 204 | //Run Threads |
thomasmorris | 5:2594b953f111 | 205 | |
thomasmorris | 5:2594b953f111 | 206 | t1.start(Sample); |
thomasmorris | 5:2594b953f111 | 207 | t2.start(Serial_Comms); |
thomasmorris | 7:dfe19413fdc2 | 208 | t3.start(Time); |
thomasmorris | 7:dfe19413fdc2 | 209 | t4.start(PrintTime); |
thomasmorris | 7:dfe19413fdc2 | 210 | t5.start(ModeSelection); |
thomasmorris | 5:2594b953f111 | 211 | //Main thread ID |
thomasmorris | 5:2594b953f111 | 212 | |
thomasmorris | 5:2594b953f111 | 213 | idMain = osThreadGetId(); //CMSIS RTOS call |
thomasmorris | 5:2594b953f111 | 214 | |
thomasmorris | 5:2594b953f111 | 215 | //Thread ID |
thomasmorris | 5:2594b953f111 | 216 | id1 = t1.gettid(); |
thomasmorris | 5:2594b953f111 | 217 | id2 = t2.gettid(); |
thomasmorris | 7:dfe19413fdc2 | 218 | id3 = t3.gettid(); |
thomasmorris | 5:2594b953f111 | 219 | |
thomasmorris | 5:2594b953f111 | 220 | //Toggle Green LED after a button has been pressed |
noutram | 1:e1cf7663f5ff | 221 | //Press either switch to unmount |
thomasmorris | 7:dfe19413fdc2 | 222 | DigitalIn onBoardSwitch(USER_BUTTON); |
thomasmorris | 7:dfe19413fdc2 | 223 | while (onBoardSwitch == 0){ |
thomasmorris | 7:dfe19413fdc2 | 224 | |
noutram | 1:e1cf7663f5ff | 225 | } |
noutram | 1:e1cf7663f5ff | 226 | |
noutram | 1:e1cf7663f5ff | 227 | //Close File |
noutram | 1:e1cf7663f5ff | 228 | fclose(fp); |
noutram | 1:e1cf7663f5ff | 229 | |
noutram | 1:e1cf7663f5ff | 230 | //Close down |
noutram | 1:e1cf7663f5ff | 231 | sd.deinit(); |
noutram | 1:e1cf7663f5ff | 232 | printf("Unmounted...\n"); |
noutram | 1:e1cf7663f5ff | 233 | lcd.cls(); |
noutram | 1:e1cf7663f5ff | 234 | lcd.printf("Unmounted...\n\n"); |
noutram | 1:e1cf7663f5ff | 235 | |
noutram | 1:e1cf7663f5ff | 236 | while(true) { |
noutram | 1:e1cf7663f5ff | 237 | greenLED = 1; |
noutram | 1:e1cf7663f5ff | 238 | wait(0.5); |
noutram | 1:e1cf7663f5ff | 239 | greenLED = 0; |
noutram | 1:e1cf7663f5ff | 240 | wait(0.1); |
noutram | 0:36e89e3ed7c4 | 241 | } |
noutram | 0:36e89e3ed7c4 | 242 | } |
noutram | 0:36e89e3ed7c4 | 243 | |
noutram | 1:e1cf7663f5ff | 244 | |
noutram | 1:e1cf7663f5ff | 245 |