2.4 Speaker Lab

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
tonyk37
Date:
Thu Jun 25 11:00:03 2020 +0000
Commit message:
modified code to produce different sound second time around

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
diff -r 000000000000 -r 651e4ce4996d main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 25 11:00:03 2020 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+
+DigitalIn fire(p14);
+PwmOut spkr(p26);
+AnalogIn pot1(p19);
+float start = 2000.0;
+float end = 10000.0;
+float step = 100;
+
+int main() {
+
+    while(1) {
+    
+        for (float i= 2000.0; i<10000.0; i+=100) {
+            spkr.period(1.0/i);
+            spkr=0.5;
+            wait(0.1);
+            }
+        for (float i = start; i<end; i+=step){
+                spkr.period(1.0/i);
+                spkr=0.7;
+                wait(0.3);
+    }
+    spkr=0.0;
+    start = 3000.0;
+    while(pot1.read() <0.5) {} //this uses the pot to control the program
+    }
+    }
+    
diff -r 000000000000 -r 651e4ce4996d mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jun 25 11:00:03 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file