London-based data-over-sound company Chirp has released an SDK for Arm Cortex-M4 and M7 processors. The SDK exists as a static library (~740kbyte), providing a software-defined data-over-sound solution optimised for Arm processors, with an API for sending and receiving data through existing audio chains between existing loudspeakers and microphones. The SDK implements the physical and data ...

This story continues at Data-over-sound SDK for Arm Cortex-M

Or just read more coverage at Electronics Weekly