Joseph Boettcher
complete
Dependencies: 4DGL-uLCD-SE_ PinDetect SDFileSystem mbed
Fork of
mythermostat
by 
jim hamblen
Diff: main.cpp
- Revision:
- 5:c73ebb00e86d
- Parent:
- 4:9a4d22a279b3
- Child:
- 6:5ba4232c5e1c
--- a/main.cpp Thu Jan 23 16:47:05 2014 +0000
+++ b/main.cpp Tue Sep 06 21:36:17 2016 +0000
@@ -8,6 +8,9 @@
#include "Speaker.h"
// must add your new class code to the project file Shiftbrite.h
#include "Shiftbrite.h"
+#include <math.h>
+#include <iostream>
+#include "stdio.h"
// use class to setup temperature sensor pins
TMP36 myTMP36(p15); //Analog in
@@ -22,6 +25,7 @@
PinDetect pb1(p23);
PinDetect pb2(p24);
PinDetect pb3(p25);
+PinDetect pb4(p26);
// use class to setup speaker pin
Speaker mySpeaker(p21); //PWM out
@@ -35,41 +39,52 @@
DigitalOut myLED3(LED3);
DigitalOut myLED4(LED4);
-
-
//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);
-
-
-
+DigitalOut bluepin(p18);
+DigitalOut greenpin(p19);
+DigitalOut redpin(p20);
// 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
-bool volatile mode=false; // heat or cool mode
+//int volatile heat_setting=78; // heat to temp
+//int volatile cool_setting=68; // cool to temp
+//bool volatile mode=false; // heat or cool mode
+int target_temp;
+int Prior_temp = 75;
+double tempF = 75;
+int volatile heat_setpoint = 77;
+int volatile cool_setpoint = 68;
+int volatile heat_setpoint_C = 25;
+int volatile cool_setpoint_C = 20;
+int mode = 0;
+int centigrade = 0;
// Callback routine is interrupt activated by a debounced pb1 hit
void pb1_hit_callback (void)
{
-// ADD CODE HERE
+ target_temp++;
+ mySpeaker.PlayNote(2000.0, 0.05, 1.0);
}
// Callback routine is interrupt activated by a debounced pb2 hit
void pb2_hit_callback (void)
{
-// ADD CODE HERE
+ target_temp--;
+ mySpeaker.PlayNote(2000.0, 0.05, 1.0);
}
// Callback routine is interrupt activated by a debounced pb3 hit
void pb3_hit_callback (void)
{
-// ADD CODE HERE
+ mode = (mode + 1) % 3; // Cycle forward by 1
+ mySpeaker.PlayNote(3000.0, 0.025, 1.0);
}
-
+void pb4_hit_callback (void)
+{
+ wait(.001);
+ centigrade = (centigrade + 1) % 2;
+}
int main()
{
@@ -79,63 +94,228 @@
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
+ uLCD.printf("\n\rJoe's Thermostat\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) {
- error("Could not open file for write\n");
- }
- fprintf(fp, "Hello SD Card World!"); // write SD
- fclose(fp); // close SD card
+// 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
-
-
+ enum Statetype { Off = 0, Heat_off, Heat_on, Cool_off, Cool_on };
+ Statetype state = Off;
+ uLCD.locate(3,6);
+ uLCD.printf("OFF ");
// State machine code below will need changes and additions
while (1) {
- {
- enum Statetype { Heat_off = 0, Heat_on };
- Statetype state = Heat_off;
- while(1) {
+
+ while(1) {
+ Prior_temp = tempF;
+ Current_temp = myTMP36; //Read temp sensor
+ tempF = (9.0*Current_temp)/5.0+ 32.0;
+ double tempC = Current_temp;
+
+
+ switch (mode) {
+ case (0):
+ uLCD.locate(3,6);
+ uLCD.printf("OFF ");
+ //target_temp = 75;
+ break;
+ case (1):
+ uLCD.locate(3,6);
+ uLCD.color(RED);
+ uLCD.printf("HEAT ");
+ uLCD.color(GREEN);
+ //if (centigrade == 0)
+ // target_temp = heat_setpoint;
+ //else
+ // target_temp = heat_setpoint_C;
+ break;
+ case (2):
+ uLCD.locate(3,6);
+ uLCD.color(LBLUE);
+ uLCD.printf("COOL ");
+ uLCD.color(GREEN);
+ // if (centigrade == 0)
+ // target_temp = cool_setpoint;
+ //else
+ // target_temp = cool_setpoint_C;
+ break;
+ }
+
+
+
+ if (centigrade == 1)
+ tempF = tempC;
+ //tempF = round(tempF);
+
+ uLCD.locate(2,10);
+ if (centigrade == 0)
+ {
+ uLCD.text_width(2);
+ uLCD.text_height(2);
+ uLCD.printf("%5.0F F \n\r", tempF);
+ uLCD.text_width(1);
+ uLCD.text_height(1);
+ }
+ if (centigrade == 1)
+ {
+ uLCD.text_width(2);
+ uLCD.text_height(2);
+ uLCD.printf("%5.0F C \n\r", tempC);
+ uLCD.text_width(1);
+ uLCD.text_height(1);
+ }
+
+ if (mode == 0)
+ {
+ state = Off;
+ greenpin = 1;
+ redpin = 0;
+ bluepin = 0;
+ }
+ if (mode == 1)
+ {
+ if (tempF > target_temp + 1)
+ {
+ if (Prior_temp < target_temp + 1)
+ {
+ mySpeaker.PlayNote(500.0, 0.025, 1.0);
+ }
+ greenpin = 0;
+ redpin = 0;
+ bluepin = 0;
+ state = Heat_off;
+ }
+ if (tempF < target_temp - 1)
+ {
+ if (Prior_temp > target_temp - 1)
+ {
+ mySpeaker.PlayNote(500.0, 0.025, 1.0);
+ }
+ greenpin = 0;
+ redpin = 1;
+ bluepin = 0;
+ state = Heat_on;
+ }
+ }
+ if (mode == 2)
+ {
+ if (tempF > target_temp + 1)
+ {
+ if (Prior_temp < target_temp + 1)
+ {
+ mySpeaker.PlayNote(1000.0, 0.025, 1.0);
+ }
+ greenpin = 0;
+ redpin = 0;
+ bluepin = 1;
+ state = Cool_on;
+ }
+ if (tempF < target_temp - 1)
+ {
+ if (Prior_temp > target_temp - 1)
+ {
+ mySpeaker.PlayNote(1000.0, 0.025, 1.0);
+ }
+ greenpin = 0;
+ redpin = 0;
+ bluepin = 0;
+ state = Cool_off;
+ }
+ }
+ uLCD.locate(3,5);
+ if (mode == 1) {
+ uLCD.color(RED);
+ uLCD.printf("Heat to: %2d", target_temp);
+ uLCD.color(GREEN);
+ myLED1 = 1;
+ myLED2 = 0; }
+ if (mode == 2) {
+ uLCD.color(LBLUE);
+ uLCD.printf("Cool to: %2d", target_temp);
+ uLCD.color(GREEN);
+ myLED1 = 0;
+ myLED2 = 1; }
+ if (mode == 0) {
+ uLCD.printf(" ", target_temp);
+ myLED1 = 0;
+ myLED2 = 0; }
+
switch (state) {
case Heat_off:
+ myLED3 = 0;
myLED4 = 0;
- state = Heat_on;
+ //state = Heat_on;
+ uLCD.locate(3,4);
+ uLCD.printf("Heat Off");
break;
case Heat_on:
+ myLED3 = 0;
myLED4 = 1;
- state = Heat_off;
+ //state = Heat_off;
+ uLCD.locate(3,4);
+ uLCD.color(RED);
+ uLCD.printf("Heat On ");
+ uLCD.color(GREEN);
+ break;
+ case Cool_off:
+ myLED3 = 0;
+ myLED4 = 0;
+ //state = Cool_on;
+ uLCD.locate(3,4);
+ uLCD.printf("Cool Off");
+ break;
+ case Cool_on:
+ myLED3 = 1;
+ myLED4 = 0;
+ //state = Cool_off;
+ uLCD.locate(3,4);
+ uLCD.color(LBLUE);
+ uLCD.printf("Cool On ");
+ uLCD.color(GREEN);
+ break;
+ case Off:
+ myLED4 = 0;
+ uLCD.locate(3,4);
+ uLCD.printf(" ");
break;
}
+
wait(0.33);
// heartbeat LED - common debug tool
// blinks as long as code is running and not locked up
- myLED1=!myLED1;
- }
+ //myLED1=!myLED1;
}
}
}
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