Marcus Parker
Records temperature using TMP36GZ and outputs to HD44780 LCD screen (using tick interrupt routine). Alterable trip level that turns on/off LED with hysteresis. For ST Nucleo F401RE.
Dependencies: RepeatButton TMP36 GZ TextLCD mbed
Fork of
Thermostat_Nucleo
by 
Sapphire
Revision 0:f5fbeaf3592c, committed 2014-02-26
- Comitter:
- MarcoAmerena
- Date:
- Wed Feb 26 13:33:47 2014 +0000
- Child:
- 1:9bf30974727c
- Commit message:
- Thermostat_NucleoF401_v1.00
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RepeatButton.lib Wed Feb 26 13:33:47 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/hilgo/code/RepeatButton/#8be79829ce90
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TMP36GZ.lib Wed Feb 26 13:33:47 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/tylerjw/code/TMP36-GZ/#2b0feb7bdebc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Wed Feb 26 13:33:47 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#308d188a2d3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Feb 26 13:33:47 2014 +0000
@@ -0,0 +1,70 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#include "TMP36GZ.h"
+#include "RepeatButton.h"
+//#include "InterruptManager.h"
+//#include <cstdlib>
+
+using namespace std;
+#define REPEAT_DELAY 500
+#define REPEAT_PERIOD 100
+#define KEY_UP 2
+#define KEY_DOWN 4
+
+Ticker tick;
+TextLCD lcd(PC_10, PC_12, PA_13, PA_14, PA_15, PB_7); // rs, e, d4-d7
+TMP36GZ temp(PA_0);
+DigitalOut led(LED1);
+
+KeyBuffer TheKeyBuffer(32);
+RepeatButton butUp(PB_4, REPEAT_DELAY, REPEAT_PERIOD, &TheKeyBuffer, KEY_UP);
+RepeatButton butDown(PB_3, REPEAT_DELAY, REPEAT_PERIOD, &TheKeyBuffer, KEY_DOWN);
+
+float d, level;
+
+void disp()
+{
+ lcd.locate(0, 0);
+ lcd.printf("%3.1f %cC", d, 223);
+ lcd.locate(0, 1);
+ lcd.printf("Trip %3.1f", level);
+}
+
+int main()
+{
+ level = 21.0; //Trip level is at %f initially
+ float leveloff;
+ int value;
+
+ tick.attach(&disp, 0.5); // setup ticker to call flip after # seconds
+
+ while(1)
+ {
+ d = temp.sample(); //Define d and f as temp celsius and fahrenheit
+ leveloff = (level - 2);
+
+ for(value = TheKeyBuffer.Read(); value != -1; value = TheKeyBuffer.Read()) //Button 1 and Button 3 increase and decrease trip level
+ {
+ switch(value)
+ {
+ case KEY_UP:
+ level += 0.1;
+ break;
+
+ case KEY_DOWN:
+ level -= 0.1;
+ break;
+ }
+ }
+
+ if(d >= level)
+ {
+ led = 1;
+ }
+ else if(d <= leveloff)
+ {
+ led = 0;
+ }
+
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Feb 26 13:33:47 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8e73be2a2ac1 \ No newline at end of file