I have not tried any wavelet transformation yet (mostly Fourier, i.e. FFT), and on Cortex M and PCs. So don't rely solely on my judgment. But assuming similar resource and performance requirements, 180Hz seems feasible to me. Finally, it is your responsibility to find an implementation of the DWT algorithm (or do it yourself), and confirm that the MCU resources (performance, RAM size, code size) are sufficient. Such preinvestigations usually yield a prototype (proof-of-concept), and are a significant part of the engineering business.
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