Diff: main.cpp

Revision:

0:0f6da148c96b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Sep 25 08:42:36 2010 +0000
@@ -0,0 +1,61 @@
+//2ak0918_Solar_LCD20X04
+// for Solar charger Copyright by K.Takeuchi
+
+#include "mbed.h"
+#include "TextLCD0420.h"
+
+#define ON 1
+#define OFF 0
+
+DigitalOut mled0(LED1);
+DigitalOut mled1(LED2);
+AnalogIn Vbat_adc(p20);
+AnalogIn Vsolar_adc(p19);
+
+TextLCD lcd(p24, p25, p26, p27, p28, p29, p30,20,4); // rs, rw, e, d0, d1, d2, d3
+
+int main() {
+      float Vbat,Vsolar,Vbat_tmp;    
+      lcd.cls();
+      while(1){
+        Vbat=Vbat_adc.read()*30;
+        Vbat=(Vbat+Vbat_tmp)/2;
+        Vsolar=Vsolar_adc.read()*30;
+        lcd.cls();
+        lcd.locate(0,0);
+        lcd.printf("=Solar MPPT Sys.=");
+        lcd.locate(0,1);
+        lcd.printf("Vsolar:%2.1fV",Vsolar);
+        lcd.locate(0,2);
+        lcd.printf("Vbat:%2.1fV",Vbat);
+        if(Vsolar > Vbat){
+          lcd.locate(0,3);
+          lcd.printf("=== Charging ====");
+        }
+        else if(Vsolar < 2.0){
+          lcd.locate(0,3);
+          if(Vbat >= 12.6){
+            lcd.printf("== Batt:100%% ==");
+          }
+          else if(Vbat >= 12.4){
+            lcd.printf("== Batt:75%% ==");
+          }
+          else if(Vbat >= 12.2){
+            lcd.printf("== Batt:50%% ==");
+          }
+          else if(Vbat >= 12.0){
+            lcd.printf("== Batt:25%% ==");
+          }
+          else{
+            lcd.printf("== Battery Low!! ==");
+          }
+        }
+        Vbat_tmp=Vbat;
+        wait(0.5);
+        lcd.locate(0,0);
+        lcd.printf("=Solar MPPT Sys =");
+        wait(0.5);
+  }//while
+}//main
+
+