niall behan
/
speaker
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Revision 0:55482a69d9e9, committed 2019-04-13
- Comitter:
- niallmoyvane
- Date:
- Sat Apr 13 14:51:20 2019 +0000
- Commit message:
- lab2.5
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 55482a69d9e9 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Apr 13 14:51:20 2019 +0000
@@ -0,0 +1,24 @@
+#include "mbed.h"
+
+DigitalIn fire(p14);
+PwmOut spkr(p26);
+
+int main()
+{
+ while(1) {
+ for (float i=2000.0; i<5000.0; i+=100)
+ {
+ spkr.period(1.0/i);
+ spkr=0.5;
+ wait(0.1);
+ }
+ for (float i=5000.0; i>2000.0; i-=100)
+ {
+ spkr.period(1.0/i);
+ spkr=0.5;
+ wait(0.1);
+ }
+ spkr=0.0;
+ while (!fire) {}
+ }
+}
diff -r 000000000000 -r 55482a69d9e9 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Apr 13 14:51:20 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file