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thermostat
Dependencies: 4DGL-uLCD-SE PinDetect SDFileSystem mbed
Fork of mythermostat by
main.cpp
- Committer:
- ssong86
- Date:
- 2016-02-01
- Revision:
- 5:5376bccdf85a
- Parent:
- 4:9a4d22a279b3
File content as of revision 5:5376bccdf85a:
// skeleton code for ECE 2036 thermostat lab // code must be added by students #include "mbed.h" #include "TMP36.h" #include "SDFileSystem.h" #include "uLCD_4DGL.h" #include "PinDetect.h" #include "Speaker.h" #include "RGBLed.h" // must add your new class code to the project file Shiftbrite.h enum Statetype { Off, Heat_off , Heat_on , Cool_off , Cool_on }; //p21,22,24 RGB //RGBLed myRGBLed(p21,p22,p24); // use class to setup temperature sensor pins TMP36 myTMP36(p15); //Analog in // use class to setup microSD card filesystem //SDFileSystem sd(p5, p6, p7, p8, "sd"); // use class to setup the Color LCD uLCD_4DGL uLCD(p28, p27, p29); // create a global uLCD object // use class to setup pushbuttons pins PinDetect pb1(p25); PinDetect pb2(p24);//p24 PinDetect pb3(p23); PinDetect pb4(p22); //p22 // use class to setup speaker pin Speaker mySpeaker(p21); //PWM out //p21 // use class to setup Shiftbrite pins //Shiftbrite myShiftbrite(p9, p10, p11, p12, p13);// ei li di n/c ci // use class to setup Mbed's four on-board LEDs DigitalOut myLED1(LED1); DigitalOut myLED2(LED2); DigitalOut myLED3(LED3); DigitalOut myLED4(LED4); //Shiftbrite myShiftbrite(p9, p10, p11, p12, p13); RGBLed myRGBLed(p11,p12,p13); //also setting any unused analog input pins to digital outputs reduces A/D noise a bit //see http://mbed.org/users/chris/notebook/Getting-best-ADC-performance/ DigitalOut P16(p16); DigitalOut P17(p17); DigitalOut P18(p18); DigitalOut P19(p19); DigitalOut P20(p20); // Global variables used in callbacks and main program // C variables in interrupt routines should use volatile keyword int volatile heat_setting=75; // heat to temp int volatile cool_setting=70; // cool to temp int volatile mode_change = 0; // mode change variable int volatile temp_change = 0; int volatile beep1 = 0; int volatile beep2 = 0; bool volatile mode=false; // heat or cool mode void display(float tempC, float tempF, int setHC, int setHF, int setCC, int setCF, Statetype state) { int C,F; F = static_cast<int>(tempF); C = static_cast<int>(tempC); if(temp_change == 0){ switch(state){ case OFF: uLCD.color(BLACK); uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,3); uLCD.printf("%d F",F); break; case Heat_off: case Heat_on: uLCD.color(WHITE); uLCD.text_width(1); uLCD.text_height(1); uLCD.locate(8,4); uLCD.printf("%d F",setHF); uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,4); uLCD.printf("%d F",F); break; case Cool_off: case Cool_on: uLCD.color(WHITE); uLCD.text_width(1); uLCD.text_height(1); uLCD.locate(8,11); uLCD.printf("%d F",setCF); uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,3); uLCD.printf("%d F",F); break; } } else{ switch(state){ case OFF: uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,3); uLCD.printf("%d C",C); break; case Heat_off: case Heat_on: uLCD.text_width(1); uLCD.text_height(1); uLCD.locate(8,4); uLCD.printf("%d C",setHC); uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,4); uLCD.printf("%d C",C); break; case Cool_off: case Cool_on: uLCD.text_width(1); uLCD.text_height(1); uLCD.locate(8,11); uLCD.printf("%d C",setCC); uLCD.text_width(2); uLCD.text_height(2); uLCD.locate(3,3); uLCD.printf("%d C",C); break; } } } // Callback routine is interrupt activated by a debounced pb1 hit void pb1_hit_callback (void) { // ADD CODE HERE beep1++; if(temp_change == 0){ if(mode_change == 1) heat_setting++; else if(mode_change ==2) cool_setting++; } else{ if(mode_change == 1) heat_setting=heat_setting+1.8; else if(mode_change ==2) cool_setting=cool_setting+1.8; } } // Callback routine is interrupt activated by a debounced pb2 hit void pb2_hit_callback (void) { // ADD CODE HERE beep1++; if(temp_change == 0){ if(mode_change == 1) heat_setting--; else if(mode_change ==2) cool_setting--; } else{ if(mode_change == 1) heat_setting=heat_setting-1.8; else if(mode_change ==2) cool_setting=cool_setting-1.8; } } // Callback routine is interrupt activated by a debounced pb3 hit void pb3_hit_callback (void) { mode_change = ( mode_change + 1 ) % 3; } void pb4_hit_callback (void) { temp_change = (temp_change+1)%2; } int main() { float tempC=0.0, tempF=0.0; // myRGBLed.write(1.0,0,0); // Use internal pullups for the three pushbuttons pb1.mode(PullUp); pb2.mode(PullUp); pb3.mode(PullUp); pb4.mode(PullUp); // Delay for initial pullup to take effect wait(.01); // Setup Interrupt callback functions for a pb hit pb1.attach_deasserted(&pb1_hit_callback); pb2.attach_deasserted(&pb2_hit_callback); pb3.attach_deasserted(&pb3_hit_callback); pb4.attach_deasserted(&pb4_hit_callback); // Start sampling pb inputs using interrupts pb1.setSampleFrequency(); pb2.setSampleFrequency(); pb3.setSampleFrequency(); pb4.setSampleFrequency(); // pushbuttons now setup and running // start I/O examples - DELETE THIS IN YOUR CODE..BUT WILL USE THESE I/O IDEAS ELSEWHERE // since all this compiles - the needed *.h files for these are in the project // //Current_temp = myTMP36; //Read temp sensor printf("Hello PC World\n\r"); // need terminal application running on PC to see this output // uLCD.printf("\n\rHello LCD World\n\r"); // LCD mySpeaker.PlayNote(500.0, 1.0, 1.0); // Speaker buzz //myShiftbrite.write( 0, 50 ,0); // Green RGB LED // SD card write file example - prints error message on PC when running until SD card hooked up // Delete to avoid run time error /* mkdir("/sd/mydir", 0777); // set up directory and permissions FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); //open SD if(fp == NULL) { error("Could not open file for write\n"); } fprintf(fp, "Hello SD Card World!"); // write SD fclose(fp); // close SD card */ // // end I/O examples // State machine code below will need changes and additions while (1) { { Statetype state = Off; int setHC,setCC; int prev_heat_setting, prev_cool_setting, prev_mode_change,prev_C,prev_F,prev_temp_change; int C,F; prev_mode_change = -1; while(1) { tempC = myTMP36.read(); tempF = (9.0*tempC)/5.0 + 32.0; setHC = static_cast<int>( (static_cast<float>(heat_setting)-32)/1.8 ); setCC = static_cast<int>( (static_cast<float>(cool_setting)-32)/1.8 ); F = static_cast<int>(tempF); C = static_cast<int>(tempC); if(beep1 >0){ mySpeaker.PlayNote(1000.0, 0.02, 1.0); beep1 = 0; } if(beep2 >0){ mySpeaker.PlayNote(1500.0, 0.05, 1.0); beep2 = 0; } if(prev_heat_setting != heat_setting){ display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); prev_heat_setting = heat_setting; } if(temp_change != prev_temp_change){ display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); prev_temp_change = temp_change; } if(prev_cool_setting != cool_setting){ display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); prev_cool_setting = cool_setting; } if(prev_C != C) { if(temp_change ==1) display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); prev_C=C; } if(prev_F !=F) { if(temp_change ==0) display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); prev_F=F; } if(prev_mode_change != mode_change){ beep2++; switch(mode_change){ case 0: state = Off; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,GREEN); uLCD.textbackground_color(GREEN); uLCD.color(BLACK); uLCD.text_width(1); uLCD.text_width(1); uLCD.locate(8,10); uLCD.printf("OFF"); break; case 1: state = Heat_off; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,BLACK); uLCD.circle(65,60,45,WHITE); uLCD.triangle(65,45,55,55,75,55,WHITE); uLCD.triangle(65,46,56,54,74,54,WHITE); uLCD.triangle(65,47,57,53,73,53,WHITE); uLCD.textbackground_color(BLACK); break; case 2: state = Cool_off; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,BLACK); uLCD.circle(65,60,45,WHITE); uLCD.triangle(65,80,55,70,75,70,WHITE); uLCD.triangle(65,79,56,71,74,71,WHITE); uLCD.triangle(65,78,57,72,73,72,WHITE); uLCD.textbackground_color(BLACK); break; } prev_mode_change = mode_change; display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); } switch (state) { case Off: myLED1 = 0; myLED2 = 0; myLED3 = 0; myLED4 = 0; myRGBLed.write(0,1,0); break; case Cool_off: myRGBLed.write(0,0,0); myLED1 = 0; myLED2 = 1; myLED3 = 0; myLED4 = 0; if(tempF >= cool_setting + 1){ beep2++; state = Cool_on; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,BLUE); uLCD.textbackground_color(BLUE); uLCD.triangle(65,80,55,70,75,70,WHITE); uLCD.triangle(65,79,56,71,74,71,WHITE); uLCD.triangle(65,78,57,72,73,72,WHITE); uLCD.textbackground_color(BLUE); uLCD.color(WHITE); display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); } break; case Cool_on: myRGBLed.write(0,0,1); myLED1 = 0; myLED2 = 1; myLED3 = 0; myLED4 = 1; if(tempF <= cool_setting- 1){ beep2++; state = Cool_off; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,BLACK); uLCD.circle(65,60,45,WHITE); uLCD.triangle(65,80,55,70,75,70,WHITE); uLCD.triangle(65,79,56,71,74,71,WHITE); uLCD.triangle(65,78,57,72,73,72,WHITE); uLCD.textbackground_color(BLACK); uLCD.color(WHITE); display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); } break; case Heat_off: myRGBLed.write(0,0,0); myLED1 = 1; myLED2 = 0; myLED3 = 0; myLED4 = 0; if(tempF <= heat_setting - 1){ beep2++; state = Heat_on; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,RED); uLCD.triangle(65,45,55,55,75,55,WHITE); uLCD.triangle(65,46,56,54,74,54,WHITE); uLCD.triangle(65,47,57,53,73,53,WHITE); uLCD.textbackground_color(RED); uLCD.color(WHITE); display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); } break; case Heat_on: myRGBLed.write(1,0,0); myLED1 = 1; myLED2 = 0; myLED3 = 0; myLED4 = 1; if(tempF >= heat_setting+ 1){ beep2++; state = Heat_off; uLCD.cls(); uLCD.circle(65, 60, 55, WHITE); uLCD.filled_circle(65,60,45,BLACK); uLCD.circle(65,60,45,WHITE); uLCD.triangle(65,45,55,55,75,55,WHITE); uLCD.triangle(65,46,56,54,74,54,WHITE); uLCD.triangle(65,47,57,53,73,53,WHITE); uLCD.textbackground_color(BLACK); display(tempC,tempF, setHC, heat_setting, setCC, cool_setting, state); } break; } wait(0.4); } } } }