Joseph Forde / Mbed 2 deprecated JF_Speaker_2

Speaker_2

Dependencies:   mbed

Diff: main.cpp

Revision:
0:4f7181c56953
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 28 11:57:33 2020 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"                           //Preprocessor Directives
+
+DigitalIn fire(p14);                        // Declarations
+PwmOut spkr(p26);
+AnalogIn pot1(p19);
+float start=2000.0; 
+float end=10000.0; 
+float step=100; 
+
+
+int main(){                                 //instructions in main () function 
+    while (1) {
+        for (float i=start; i<end; i+=step) {
+        spkr.period(5.0/i);
+        spkr=(0.5);
+        wait(0.1);
+        }
+    spkr=0.0;
+    start=3000.0;
+    while(pot1.read() < 0.5) {} // this uses the pot to control the program
+    }
+}
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