def normalise_og_patch(patch):
"""Expand all encoded fields into a normalised form of patch object. This makes it
printable and easier to translate. Uses the minilogue_og_patch_normalisation
translation table:
("vco_1_pitch", "vco_1_pitch_b2_9_FF_2", "vco_1_pitch_shape_octave_wave_03_0"),
Args:
patch (Patch instance): raw minilogue og patch, read using
minilogue_og_patch_struct
Returns:
Patch instance: Decoded/expanded patch
"""
norm_patch = copy.deepcopy(patch)
for t in minilogue_og_patch_normalisation:
# t has form ('dest_name', 'src1_name_XX_x', 'src2_name_XX_x', ...)
dest_name, *srcs = t
dest_val = 0
for s in srcs:
src_name, mask, shift = decode_src_string(s)
source_val = getattr(patch, src_name) & mask
dest_val += common.signed_shift(source_val, shift)
setattr(norm_patch, dest_name, dest_val)
# Delete all encoded fields that won't be used anymore
for t in minilogue_og_postnormalisation_deletions:
delattr(norm_patch, t)
return norm_patch
def test_signed_shift():
assert common.signed_shift(1, 0) == 1
assert common.signed_shift(1, 1) == 2
assert common.signed_shift(2, -1) == 1