![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
thermostat
Dependencies: 4DGL-uLCD-SE PinDetect SDFileSystem mbed
Fork of mythermostat by
Diff: main.cpp
- Revision:
- 5:5376bccdf85a
- Parent:
- 4:9a4d22a279b3
--- a/main.cpp Thu Jan 23 16:47:05 2014 +0000 +++ b/main.cpp Mon Feb 01 06:33:52 2016 +0000 @@ -6,28 +6,32 @@ #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 -#include "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"); +//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(p23); -PinDetect pb2(p24); -PinDetect pb3(p25); +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 +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 +//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); @@ -35,7 +39,8 @@ 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/ @@ -50,58 +55,177 @@ // Global variables used in callbacks and main program // C variables in interrupt routines should use volatile keyword -int volatile heat_setting=78; // heat to temp -int volatile cool_setting=68; // cool to temp +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) { -// ADD CODE HERE + mode_change = ( mode_change + 1 ) % 3; } +void pb4_hit_callback (void) +{ + temp_change = (temp_change+1)%2; +} int main() { - float Current_temp=0.0; - + 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 + //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 + // 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 + //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) { @@ -109,6 +233,7 @@ } fprintf(fp, "Hello SD Card World!"); // write SD fclose(fp); // close SD card + */ // // end I/O examples @@ -118,24 +243,216 @@ // State machine code below will need changes and additions while (1) { { - enum Statetype { Heat_off = 0, Heat_on }; - Statetype state = Heat_off; - while(1) { - switch (state) { - case Heat_off: - myLED4 = 0; - state = Heat_on; + 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 Heat_on: - myLED4 = 1; + 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; } - wait(0.33); - // heartbeat LED - common debug tool - // blinks as long as code is running and not locked up - myLED1=!myLED1; + + 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); + } + + + } } } \ No newline at end of file