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Fix decoding of "UTF-8" registers #11

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Fix decoding of "UTF-8" registers #11

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7 changes: 4 additions & 3 deletions SungrowClient/SungrowClient.py
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Original file line number Diff line number Diff line change
Expand Up @@ -259,11 +259,12 @@ def load_registers(self, register_type, start, count=100):
register_value = (register_value + u32_value * 0x10000 - 0xffffffff -1)
else:
register_value = register_value + u32_value * 0x10000
elif register.get('datatype') == "UTF-8": # This seems to be Serial only, 10 bytes
elif register.get('datatype') == "UTF-8":
utf_value = register_value.to_bytes(2, 'big')
for x in range(1,5):
for x in range(1, register.get('length', 5)): # the 5 is for downward compatibility with the previous version
utf_value += rr.registers[num+x].to_bytes(2, 'big')
register_value = utf_value.decode()
# remove trailing null bytes and convert to string
register_value = utf_value.rstrip(b'\x00').decode('utf-8')


# We convert a system response to a human value
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