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HVControlBoard.py
171 lines (146 loc) · 6.23 KB
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HVControlBoard.py
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from __future__ import division
from HALConstants import * #all constants part of this file
import PBBDevices
import time
import syslog
import socket
class HVControlBoard:
def __init__(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:__init__")
PBBDevices.initializeHardware()
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
self.configureTempSensor()
self.configureGPIO()
self.enableHV()
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:__init__")
def __del__(self):
syslog.syslog(LOG_STSW_PRI," HVControlBoard:__del__")
self.disableHV()
PBBDevices.freeHardwareResources()
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:__del__")
""" Configure Temperature Sensor """
def configureTempSensor(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:configureTempSensor")
PBBDevices.selectSPISlave(TSENSOR_ID,SPI_MODE_3)
PBBDevices.configureTSensor(SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:configureTempSensor")
""" Read Temperature Sensor """
def measureTemperature(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:measureTemperature")
PBBDevices.selectSPISlave(TSENSOR_ID,SPI_MODE_3)
controlBoardTemp = PBBDevices.readTemperature(SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:measureTemperature")
return controlBoardTemp
""" GPIO configuration """
def configureGPIO(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:configureGPIO")
PBBDevices.selectSPISlave(GPIO_ID,SPI_MODE_0)
PBBDevices.configureGPIO(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(GPIO_ID,SPI_MODE_0)
PBBDevices.readGPIOConfiguration(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:configureGPIO")
def enableHV(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:enableHV")
PBBDevices.selectSPISlave(GPIO_ID,SPI_MODE_0)
PBBDevices.enableHV(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:enableHV")
def disableHV(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:disableHV")
PBBDevices.selectSPISlave(GPIO_ID,SPI_MODE_0)
PBBDevices.disableHV(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:disableHV")
def setCLMidVoltage(self,vinput):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:setCLMidVoltage")
vmax = 2000
if (vinput<vmax):
digInput = int(round(vinput*0x10000/vmax))
PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
PBBDevices.setDAC7731(digInput>>8,SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
PBBDevices.setDAC7731(digInput & 0x00ff,SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(DAC_OPUT_ID,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
config1 = int(PBBDevices.setDAC7731(digInput>>8,SPI_MODE_3))
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
config2 = int(PBBDevices.setDAC7731(digInput & 0x00ff,SPI_MODE_3))
PBBDevices.deSelectSPISlaves(SPI_MODE_3)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(DAC_OPUT_ID,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
if (digInput == (config1<<8|config2)):
print "Desired voltage is set"
else:
print "Unable to set desired Voltage"
else:
print "wrong input, input voltage should be less than 10 Volts"
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:setCLMidVoltage")
def measurePowerSupplies(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:measurePowerSupplies")
voltageReadback = []
channel = 0 #start with this channel
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.configure7949(channel,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
for channel in range(1,8):
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.configure7949(channel,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
cfg = ((val & 0x0003fff0)>>4)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
voltageReadback.append((((val & 0xfffc0000)>>18)/0x3fff * 4.096))
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
cfg = ((val & 0x0003fff0)>>4)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
voltageReadback.append((((val & 0xfffc0000)>>18)/0x3fff * 4.096))
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:measurePowerSupplies")
return voltageReadback
""" measure only CL Mid Voltage"""
def getCLMidVoltage(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:getCLMidVoltage")
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.configure7949(HV_U_MON_CHAN,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:getCLMidVoltage")
return((((val & 0xfffc0000)>>18)/0x3fff)*4.096*3*200)
""" measure only CL Mid Current"""
def getCLMidCurrent(self):
syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:getCLMidCurrent")
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.configure7949(HV_I_MON_CHAN,SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
PBBDevices.selectSPISlave(ADC_ID,SPI_MODE_0)
val = PBBDevices.read7949(SPI_MODE_0)
PBBDevices.deSelectSPISlaves(SPI_MODE_0)
syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:getCLMidCurrent")
return((((val & 0xfffc0000)>>18)/0x3fff)*4.096*3)
if (__name__ == "__main__"):
x = HVControlBoard()
print "Control Board Temperature: %f" %(x.measureTemperature())
x.setCLMidVoltage(0)
print x.measurePowerSupplies()
print x.getCLMidVoltage()
print x.getCLMidCurrent()
del(x)