Revision 4:eabf5656c755, committed 2020-07-28

Comitter:

jforde

Date:

Tue Jul 28 11:42:09 2020 +0000

Parent:

3:4e35f0d99e64

Commit message:

Serial_communications_1

Changed in this revision

--- a/main.cpp	Fri Feb 21 20:30:41 2014 +0000
+++ b/main.cpp	Tue Jul 28 11:42:09 2020 +0000
@@ -1,14 +1,24 @@
-#include "mbed.h"
+#include "mbed.h"                             //Preprocessor Directives 
+                                              // Declarations 
+Serial pc(USBTX, USBRX); // tx, rx  
+PwmOut led(LED1);
 
-DigitalOut myled(LED1);
-DigitalOut myled2(LED2);
-int main() {
+float brightness = 0.0;
+int main() {                                    //instructions in main () function 
+    pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n");
+    
     while(1) {
-        myled = 1;
-        myled2 = 0;
-        wait(0.5);
-        myled = 0;
-        myled2 = 1;
-        wait(0.5);
+        char c = pc.getc(); //Reads a character from keyboard
+        if((c == 'u') && (brightness < 0.5)) {
+            brightness += 0.01;
+            led = brightness;
+            pc.putc('^'); // Writes a character ('^') to the standard output
+        }
+        if((c == 'd') && (brightness > 0.0)) {
+            brightness -= 0.01;
+            led = brightness;
+            pc.putc('v'); // Writes a character  ('v') to the standard output
+        }
     }
 }
+

--- a/mbed.bld	Fri Feb 21 20:30:41 2014 +0000
+++ b/mbed.bld	Tue Jul 28 11:42:09 2020 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/078e4b97a13e
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file