mijimy_group
/
Ex6-1readjust
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Dependencies: C12832_lcd LM75B mbed
Fork of
Ex6-1
by 
mijimy_group
Revision 0:79f59d830953, committed 2015-11-13
- Comitter:
- ahmadafif
- Date:
- Fri Nov 13 02:43:20 2015 +0000
- Child:
- 1:9ac18dc17a3a
- Commit message:
- 6-1
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832_lcd.lib Fri Nov 13 02:43:20 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/dreschpe/code/C12832_lcd/#8f86576007d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Fri Nov 13 02:43:20 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/chris/code/LM75B/#6a70c9303bbe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Nov 13 02:43:20 2015 +0000
@@ -0,0 +1,44 @@
+#include "mbed.h"
+#include "LM75B.h"
+#include "C12832_lcd.h"
+
+C12832_LCD lcd; //Graphics LCD
+LM75B tmp(p28,p27); //I2C Temperature Sensor
+PwmOut r(p23); //RGB LED with 3 PWM outputs for dimmer control
+PwmOut g(p24);
+PwmOut b(p25);
+PwmOut speaker(p26); //Speaker with PWM driver
+AnalogIn pot1(p19); //Reads Pot 1 - near LCD
+AnalogIn pot2(p20); //Reads Pot 2 - near RGB LED
+Serial pc(USBTX,USBRX); //used for printf to PC over USB
+
+int main ()
+{
+ float board_temp;
+ float alarm_temp = 0.0;
+ // generate a 800Hz tone using PWM hardware output
+ speaker.period(1.0/800.0); // 800hz period
+ r=1.0; //RGB LED off - PWM 100% duty cycle
+ g=1.0;
+ b=1.0;
+
+ while (1) {
+ lcd.cls();
+ lcd.locate(0,0); //clears LCD
+ board_temp = tmp; //read temperature
+ lcd.printf("Board Temperature = %.2f\n\r",board_temp);
+ alarm_temp = 50.0 * pot1; //read alarm temp
+ lcd.printf("Temp Alarm Setting = %.2f\n\r",alarm_temp);
+ if(board_temp > alarm_temp) { //check temp for alarm
+ r = 1.0 - pot2; //RGB LED red
+ g = 1.0;
+ speaker = 0.5; //alarm tone using PWM
+ } else {
+ g = 1.0 - pot2; //RGB LED green
+ r = 1.0;
+ speaker = 0.0;
+ }
+ wait(1.0);
+ pc.printf("%.2f\n\r",board_temp); //send temp to PC
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Nov 13 02:43:20 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file