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Final-ish tested driver

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Reid 'arrdem' McKenzie 2021-10-13 20:28:54 -06:00
parent a17f7e497b
commit 3290a8aefc
1 changed files with 16 additions and 5 deletions
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21
projects/hatctl/src/python/hatctl/driver.py
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@ -135,6 +135,15 @@ class ClusterCTRLDriver(object):
elif isinstance(id, Data): elif isinstance(id, Data):
return self._call(Cmd.GET_DATA, id.value) return self._call(Cmd.GET_DATA, id.value)
@staticmethod
def _repack(values):
"""Pack an array of bytes back into a single value."""
acc = 0
for b in values:
acc = acc << 8
acc += b
return acc
def _write(self, id: Reg, val: int): def _write(self, id: Reg, val: int):
"""A convenient abstraction for writing a register.""" """A convenient abstraction for writing a register."""
@ -204,7 +213,11 @@ class ClusterCTRLDriver(object):
def reset_all(self): def reset_all(self):
"""[Power] cycle the entire Controller.""" """[Power] cycle the entire Controller."""
return self._call(Cmd.RESET) try:
return self._call(Cmd.RESET)
except OSError:
# An OSError I/O to the reset board is somewhat expected
pass
#################################################################################################### ####################################################################################################
# EEPROM management # EEPROM management
@ -378,7 +391,7 @@ class ClusterCTRLDriver(object):
# DATA1 and DATA2 are a 16bi number that need to be reassembled. # DATA1 and DATA2 are a 16bi number that need to be reassembled.
# Note that DATA2 is the high bits. # Note that DATA2 is the high bits.
val = self._read(Reg.DATA2) << 8 + self._read(Reg.DATA1) val = self._repack(self._read(Reg.DATA2, 2))
type = self._read(Reg.DATA0) type = self._read(Reg.DATA0)
if type == 0: if type == 0:
@ -397,7 +410,7 @@ class ClusterCTRLDriver(object):
# DATA0 is ... something expected to be 2 # DATA0 is ... something expected to be 2
# DATA1 and DATA2 form a low/high 16bi number. Unit is Kelvin. # DATA1 and DATA2 form a low/high 16bi number. Unit is Kelvin.
if self._call(Cmd.GET_DATA, Data.ADC_TEMP.value) == 2: if self._call(Cmd.GET_DATA, Data.ADC_TEMP.value) == 2:
return self._read(Reg.DATA2) << 8 + self._read(Reg.DATA1) return self._repack(self._read(Reg.DATA2, 2))
class ClusterHATDriver(ClusterCTRLDriver): class ClusterHATDriver(ClusterCTRLDriver):
@ -409,11 +422,9 @@ class ClusterHATDriver(ClusterCTRLDriver):
def led_on(self, id: int): def led_on(self, id: int):
"""Turn on an LED by ID.""" """Turn on an LED by ID."""
assert self.type is BoardType.PHAT
return self._call(Cmd.LED_EN, id) return self._call(Cmd.LED_EN, id)
def led_off(self, id: int): def led_off(self, id: int):
"""Turn off an LED by ID.""" """Turn off an LED by ID."""
assert self.type is BoardType.PHAT
return self._call(Cmd.LED_DIS, id) return self._call(Cmd.LED_DIS, id)