Diff: main.cpp

Revision:

3:efff8b39e765

Parent:

2:0bc5af6c7ebf

--- a/main.cpp	Wed Aug 17 09:58:13 2016 +0000
+++ b/main.cpp	Tue Nov 10 14:10:47 2020 +0000
@@ -1,17 +1,66 @@
 #include "mbed.h"
+#include "TextLCD.h"
+#define btnRIGHT  0
+#define btnUP     1
+#define btnDOWN   2
+#define btnLEFT   3
+#define btnSELECT 4
+#define btnNONE   5
 
-DigitalOut red(LED1);
-DigitalOut blue(LED2);
-DigitalOut green(LED3);
-int i;
+Serial pc (SERIAL_TX, SERIAL_RX);
+DigitalOut myled(LED1);
+AnalogIn analog_value(A0);
+TextLCD lcd(D8,D9,D4,D5,D6,D7);
 
-int main() {
-    while(1) {
-        for (i=1; i<7; i++) {
-            red = i & 1;
-            blue = i & 2;
-            green = i & 4;
-            wait(0.2);
-        }
+ float meas;
+int read_LCD_buttons(){               
+     meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
+        meas = meas * 3300; // Change the value to be in the 0 to 3300 range
+        if (meas > 3300) return btnNONE; 
+        if (meas < 50)   return btnRIGHT;  
+        if ((meas > 900)&&( meas < 1300)) return btnUP; 
+        if ((meas > 1800)&&( meas < 2200)) return btnDOWN; 
+        if ((meas > 2800)&&( meas < 3200)) return btnLEFT; 
+        return btnNONE;
     }
+        
+int main()
+{
+    int lcd_key;
+    lcd.printf("NUCLEO F103RB");
+    while(1) 
+        {
+         wait_ms(200);
+         lcd_key = read_LCD_buttons();   // read the buttons
+       switch (lcd_key){               // depending on which button was pushed, we perform an action
+           case btnRIGHT:{             //  push button "RIGHT" and show the word on the screen
+                lcd.locate(4,1);
+                lcd.printf("RIGHT ");
+           break;}
+           case btnLEFT:{
+             lcd.locate(4,1);
+             lcd.printf("LEFT   "); //  push button "LEFT" and show the word on the screen
+             break;}
+          case btnUP:{
+             lcd.locate(4,1);
+             lcd.printf("UP    ");  //  push button "UP" and show the word on the screen
+             break;}
+         case btnDOWN:{
+             lcd.locate(4,1);
+             lcd.printf("DOWN  ");  //  push button "DOWN" and show the word on the screen
+             break;}
+         case btnSELECT:{
+             lcd.locate(4,1);
+             lcd.printf("SELECT");  //  push button "SELECT" and show the word on the screen
+             break;}
+        case btnNONE:{
+             lcd.locate(4,1);
+             lcd.printf("NONE  ");  //  No action  will show "None" on the screen
+             break;}
+       }
 }
+}
+
+
+
+ 
\ No newline at end of file