Speaker

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
t00214916
Date:
Thu Aug 19 20:09:19 2021 +0000
Commit message:
Speaker

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 19 20:09:19 2021 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+DigitalIn fire(p14);
+PwmOut spkr(p26);
+AnalogIn pot1(p19);
+float start=2000;   // Float values to make it easier for second speaker code
+float finish=10000;
+float step=200;
+ 
+int main()
+{
+    while (1) {
+        for (float i=start; i<finish; i+=step) {    // Same code as original
+            spkr.period(1.0/i);
+            spkr=0.5;
+            wait(0.1);
+        }
+        spkr=0.0;
+        
+        start += 5000;      // The second speaker sequence
+        if (start >= 5000){
+            start = 1000;
+            }
+            
+        
+        while(pot1.read() < 0.5) {} // this uses the pot to control the program
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Aug 19 20:09:19 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file