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Added status bits. Removed variables from parent class that are not v…
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…alid for LTM4664 to avoid communication error flag (CML) being set due to invalid read.
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@hsandber
hsandber committed Oct 29, 2024
1 parent 878c7c3 commit d49dfa9
Showing 1 changed file with 87 additions and 54 deletions.
141 changes: 87 additions & 54 deletions python/surf/devices/analog_devices/_Ltm4664.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,61 +49,64 @@ def getLinear5s11sDataFormat(var, read):
return X

# ---------------------------
# Hide PMBus registers that are not supported by LTM4664, see datasheet
# Hide and delete PMBus registers that are not supported by LTM4664, see datasheet
# ---------------------------
self.PHASE.hidden = True
self.STORE_DEFAULT_ALL.hidden = True
self.RESTORE_DEFAULT_ALL.hidden = True
self.STORE_DEFAULT_CODE.hidden = True
self.RESTORE_DEFAULT_CODE.hidden = True
self.STORE_USER_CODE.hidden = True
self.RESTORE_USER_CODE.hidden = True
self.VOUT_TRIM.hidden = True
self.VOUT_CAL_OFFSET.hidden = True
self.VOUT_DROOP.hidden = True
self.VOUT_SCALE_LOOP.hidden = True
self.VOUT_SCALE_MONITOR.hidden = True
self.POUT_MAX.hidden = True
self.MAX_DUTY.hidden = True
self.INTERLEAVE.hidden = True
self.IOUT_CAL_GAIN.hidden = True
self.IOUT_CAL_OFFSET.hidden = True
self.FAN_CONFIG_1_2.hidden = True
self.FAN_COMMAND_1.hidden = True
self.FAN_COMMAND_2.hidden = True
self.FAN_CONFIG_3_4.hidden = True
self.FAN_COMMAND_3.hidden = True
self.FAN_COMMAND_4.hidden = True
self.IOUT_OC_LV_FAULT_LIMIT.hidden = True
self.IOUT_OC_LV_FAULT_RESPONSE.hidden = True
self.IOUT_UC_FAULT_LIMIT.hidden = True
self.IOUT_UC_FAULT_RESPONSE.hidden = True
self.UT_WARN_LIMIT.hidden = True
self.VIN_OV_WARN_LIMIT.hidden = True
self.VIN_UV_FAULT_LIMIT.hidden = True
self.VIN_UV_FAULT_RESPONSE.hidden = True
self.IIN_OC_FAULT_LIMIT.hidden = True
self.IIN_OC_FAULT_RESPONSE.hidden = True
self.POWER_GOOD_ON.hidden = True
self.POWER_GOOD_OFF.hidden = True
self.POUT_OP_FAULT_LIMIT.hidden = True
self.POUT_OP_FAULT_RESPONSE.hidden = True
self.POUT_OP_WARN_LIMIT.hidden = True
self.PIN_OP_WARN_LIMIT.hidden = True
self.STATUS_OTHER.hidden = True
self.STATUS_FANS_1_2.hidden = True
self.STATUS_FANS_3_4.hidden = True
self.READ_VCAP.hidden = True
self.READ_TEMPERATURE_3.hidden = True
self.READ_FAN_SPEED_1.hidden = True
self.READ_FAN_SPEED_2.hidden = True
self.READ_FAN_SPEED_3.hidden = True
self.READ_FAN_SPEED_4.hidden = True
self.READ_DUTY_CYCLE.hidden = True
self.MFR_REVISION.hidden = True
self.MFR_LOCATION.hidden = True
self.MFR_DATE.hidden = True
self.MFR_SERIAL.hidden = True
self.tenbit.hidden = True
self.ignoreResp.hidden = True

del self._nodes['PHASE']
del self._nodes['STORE_DEFAULT_ALL']
del self._nodes['RESTORE_DEFAULT_ALL']
del self._nodes['STORE_DEFAULT_CODE']
del self._nodes['RESTORE_DEFAULT_CODE']
del self._nodes['STORE_USER_CODE']
del self._nodes['RESTORE_USER_CODE']
del self._nodes['VOUT_TRIM']
del self._nodes['VOUT_CAL_OFFSET']
del self._nodes['VOUT_DROOP']
del self._nodes['VOUT_SCALE_LOOP']
del self._nodes['VOUT_SCALE_MONITOR']
del self._nodes['POUT_MAX']
del self._nodes['MAX_DUTY']
del self._nodes['INTERLEAVE']
del self._nodes['IOUT_CAL_GAIN']
del self._nodes['IOUT_CAL_OFFSET']
del self._nodes['FAN_CONFIG_1_2']
del self._nodes['FAN_COMMAND_1']
del self._nodes['FAN_COMMAND_2']
del self._nodes['FAN_CONFIG_3_4']
del self._nodes['FAN_COMMAND_3']
del self._nodes['FAN_COMMAND_4']
del self._nodes['IOUT_OC_LV_FAULT_LIMIT']
del self._nodes['IOUT_OC_LV_FAULT_RESPONSE']
del self._nodes['IOUT_UC_FAULT_LIMIT']
del self._nodes['IOUT_UC_FAULT_RESPONSE']
del self._nodes['UT_WARN_LIMIT']
del self._nodes['VIN_OV_WARN_LIMIT']
del self._nodes['VIN_UV_FAULT_LIMIT']
del self._nodes['VIN_UV_FAULT_RESPONSE']
del self._nodes['IIN_OC_FAULT_LIMIT']
del self._nodes['IIN_OC_FAULT_RESPONSE']
del self._nodes['POWER_GOOD_ON']
del self._nodes['POWER_GOOD_OFF']
del self._nodes['POUT_OP_FAULT_LIMIT']
del self._nodes['POUT_OP_FAULT_RESPONSE']
del self._nodes['POUT_OP_WARN_LIMIT']
del self._nodes['PIN_OP_WARN_LIMIT']
del self._nodes['STATUS_OTHER']
del self._nodes['STATUS_FANS_1_2']
del self._nodes['STATUS_FANS_3_4']
del self._nodes['READ_VCAP']
del self._nodes['READ_TEMPERATURE_3']
del self._nodes['READ_FAN_SPEED_1']
del self._nodes['READ_FAN_SPEED_2']
del self._nodes['READ_FAN_SPEED_3']
del self._nodes['READ_FAN_SPEED_4']
del self._nodes['READ_DUTY_CYCLE']
del self._nodes['MFR_REVISION']
del self._nodes['MFR_LOCATION']
del self._nodes['MFR_DATE']
del self._nodes['MFR_SERIAL']

# NOTE: string commands MFR_ID and MFR_MODEL do not work correctly

Expand Down Expand Up @@ -634,3 +637,33 @@ def getLinear5s11sDataFormat(var, read):
linkedGet = lambda read: self.MFR_PIN_ACCURACY.get(read=read)*0.1, # Conversion factor: 0.1%/Bit
dependencies = [self.MFR_PIN_ACCURACY],
))

# Status bits
def addStatusBit(registerVar, name, bitOffset):
self.add(pr.LinkVariable(
name = name,
linkedGet = lambda read: bool((registerVar.get(read=read) >> bitOffset) & 0x1),
dependencies = [registerVar],
pollInterval = 1,
))
addStatusBit(self.STATUS_WORD, 'statusCML', 1)
addStatusBit(self.STATUS_WORD, 'statusTEMPERATURE', 2)
addStatusBit(self.STATUS_WORD, 'statusVIN_UV', 3)
addStatusBit(self.STATUS_WORD, 'statusIOUT_OC', 4)
addStatusBit(self.STATUS_WORD, 'statusVOUT_OV', 5)
addStatusBit(self.STATUS_WORD, 'statusOFF', 6)
addStatusBit(self.STATUS_WORD, 'statusBUSY', 7)
addStatusBit(self.STATUS_WORD, 'statusPOWER_GOOD', 11)
addStatusBit(self.STATUS_WORD, 'statusMFR_SPECIFIC', 12)
addStatusBit(self.STATUS_WORD, 'statusINPUT', 13)
addStatusBit(self.STATUS_WORD, 'statusIout', 14)
addStatusBit(self.STATUS_WORD, 'statusVout', 15)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusFaultPin', 0)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusShortCycle', 1)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusVDD33_UV_OV', 2)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusFaultLogPresent', 3)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusPllUnlocked', 4)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusNvmCrcFault', 5)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusInternalTempWarning', 6)
addStatusBit(self.STATUS_MFR_SPECIFIC, 'statusInternalTempFault', 7)

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