redpipy

feat(osc_axi): implement axi oscilloscope. NOTICE: This needs a refactor in the future, and many functions are almost repeated from osc. Some features like retrieving data correctly while not asking for a full buffer of DMA might not work.

fix(acq): get only one status code from get oldest data v np

fix(acq_axi): use DMA memory size

feat(rpwrap(acq_axi): add the option to pass a buffer to get_datav_np

feat(rpwrap/acq): add the option to pass a buffer to get_voltage instead of always creating it