Only enable ARM intrinsics on ARM7 (Cortex M4) and better.

adafruit / Adafruit_MP3

mp3 decoding on arduino

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Only enable ARM intrinsics on ARM7 (Cortex M4) and better. #19

Closed jepler closed 3 years ago

jepler commented 3 years ago

This makes ARM6 (M0+) get the generic implementation. It's not pretty, but it does compile. The Raspberry Pi Pico is actually able to play (some) 32kbit/s streams in this case.