A metronome using the FRDM K64F board

Revision:
0:a7a43371b306
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pal/.git/FETCH_HEAD	Sun May 14 18:40:18 2017 +0000
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+03d26ec0975c752144e16bd70585782481fe8eca	not-for-merge	branch 'ARCH_A9_fix' of https://github.com/ARMmbed/pal
+3b664c8bb1384fb1ef244821d054814fbbecf51b	not-for-merge	branch 'PAL-R0.8-IAR-build-fixes' of https://github.com/ARMmbed/pal
+f6ed72fe831dc05c511cd055d4967537b6e7d953	not-for-merge	branch 'feature-mbed-os-bootloader' of https://github.com/ARMmbed/pal
+dd3291844bc556bbed39038074d9151b94dcbc31	not-for-merge	branch 'iar_fixes' of https://github.com/ARMmbed/pal
+6e21a6901c5346681b091a70b865dd787311e255	not-for-merge	branch 'master' of https://github.com/ARMmbed/pal
+066663c08f1f43bf88f0298be59221031d59a3bb	not-for-merge	branch 'releaseCandidate' of https://github.com/ARMmbed/pal