Diff: main.cpp

Revision:

0:e007beba2811

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 03 16:09:35 2017 +0000
@@ -0,0 +1,86 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#include "Keypad.h"
+
+Serial rs232(USBTX, USBRX);
+AnalogIn AnalogPin(PTB0);
+DigitalOut pinOut(PTB1);
+
+TextLCD lcd(PTE20,PTE21,PTE22,PTE23,PTE29,PTE30, TextLCD::LCD16x2); // Rs, E, d4, d5, d6, d7, RW=GND
+Keypad keypad(PTC4,PTC3,PTC0,PTC7,PTC11,PTC10,PTC6,PTC5); // c1, c2, c3, c4, f1, f2, f3, f4
+
+char key;
+int released=1,unidades,decenas,centenas;
+float setpoint,valor_adc;
+
+void read_kpad()
+{
+    key=keypad.ReadKey();
+    if(key=='\0') released=1;
+    if((key!='\0') && (released==1)) {
+        released=0;
+    }
+
+}
+
+void setup_pyrom()
+{
+      int i=0;
+      lcd.cls();
+      lcd.locate(1,1);
+      lcd.printf("SETUP...");
+      wait(1);
+      lcd.cls();
+      while(i<=2){
+      read_kpad();
+      if(key!='\0'){ 
+         if(i==0){centenas=key-48;lcd.locate(1,1);lcd.printf("%c",key);if(centenas>1){centenas=1;}}
+         if(i==1){decenas=key-48;lcd.locate(2,1);lcd.printf("%c",key);}
+         if(i==2){unidades=key-48;lcd.locate(3,1);lcd.printf("%c",key);}
+          ++i;}
+      }
+         wait(0.25);
+         setpoint=unidades+10.0*decenas+100.0*centenas;
+         lcd.cls();
+         lcd.locate(1,1);
+         lcd.printf("SP: %fdegC    ",setpoint);
+         wait(1);
+         lcd.cls();
+         lcd.locate(1,1);
+         lcd.printf("SETUP OK");
+         wait(1);
+}
+
+
+
+
+int main()
+{
+
+    rs232.printf("Control ON-OFF \n\r");
+    lcd.printf("Control ON-OFF \r\n");
+    wait(1);
+    lcd.cls();
+
+    while (1) {
+        valor_adc=AnalogPin.read()*5;
+        lcd.locate(1,1);
+        lcd.printf("SP; %fdegC ",setpoint);
+        lcd.locate(1,2);
+        lcd.printf("PV; %fdegC ",valor_adc);
+        rs232.printf("%f,%f",setpoint,valor_adc);
+        
+        read_kpad();
+        if(key=='*') {
+            setup_pyrom();
+        }
+
+        if(valor_adc>=setpoint) {
+            pinOut=0;
+        } else {
+            pinOut=1;;
+        }
+
+
+    }
+}
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