Diff: main.cpp

Revision:

0:c48b28944702

Child:

1:81cec44cec2e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Oct 12 19:23:55 2021 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+
+#include "C12832.h"
+
+#include "tank.h"
+
+#include "HCSR04.h"
+
+
+C12832 lcd(p5, p7, p6, p8, p11);        // LCD screen
+PwmOut r (p23);                         // r = red LED
+PwmOut g (p24);                         // g = green LED
+
+
+int main()
+
+{
+
+//welcome message on LCD
+
+    lcd.cls();
+
+    lcd.locate(25,5);
+
+    lcd.printf("Tank Water Level");
+
+    lcd.locate(2,15);
+
+    lcd.printf("Greenhouse Control System");
+
+    wait(2.5);
+
+    lcd.cls();      //clear LCD
+
+    Timer timer;
+
+    {
+
+        HCSR04 sensor(p9, p20);
+        sensor.setRanges(0, 500);       // water tank level 500mm
+
+
+
+        lcd.print_bm(bitmEmptyTank,80,0);     // print Empty Tank at location x=85, y=0
+        lcd.copy_to_lcd();
+        //if needed:   lcd.locate(0,10);
+        //if needed:   lcd.printf("Min. range = %g cm\n\rMax. range = %g cm\n\r",
+        //If needed:   sensor.getMinRange(), sensor.getMaxRange());
+
+        while(true) {
+            timer.reset();
+            timer.start();
+            sensor.startMeasurement();
+            while(!sensor.isNewDataReady()) {
+                // wait for new data
+                // waiting time depends on the distance
+            }
+            lcd.locate(20,5);
+            lcd.printf("Distance:");
+            lcd.locate(20,17);
+            lcd.printf ("%5.1f mm\r", sensor.getDistance_mm());
+            timer.stop();
+            wait_ms(500 - timer.read_ms()); // time the loop
+
+            //turn RGB LED red if distance >400mm
+            if( sensor.getDistance_mm()< 400) r=1; //red light on
+            else r = 0;
+
+            if( sensor.getDistance_mm()> 400) g=1;   //green light on
+            else g=0;         //green light off
+
+
+            if( sensor.getDistance_mm() < 40 )  lcd.print_bm(bitmTank,80,0); //full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 80 )  lcd.print_bm(bitmNinetyTank,80,0); //90% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 120  )  lcd.print_bm(bitmEightyTank,80,0); //80% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 160 )  lcd.print_bm(bitmSeventyTank,80,0); //70% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 200 )  lcd.print_bm(bitmSixtyTank,80,0); //60% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 240 )  lcd.print_bm(bitmFiftyTank,80,0); //50% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 280 )  lcd.print_bm(bitmFourtyTank,80,0); //40% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 320 )  lcd.print_bm(bitmThirtyTank,80,0); //30% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 360 )  lcd.print_bm(bitmTwentyTank,80,0); //20% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 400 )  lcd.print_bm(bitmTenTank,80,0); //10% full tank
+            lcd.copy_to_lcd();
+            if( sensor.getDistance_mm() > 440 )  lcd.print_bm(bitmEmptyTank,80,0); //empty tank
+            lcd.copy_to_lcd();
+
+        }
+    }
+
+
+// https://os.mbed.com/media/uploads/Njbuch/wiley_publishing_-_c_for_dummies_2nd.edition_-2004-.pdf
+
+
+
+
+}
+