def calibration_float10_write(ee_profile, address, gain, offset):
""" Calibration data write
Compatible with the old case.
{float gain,float offset,uint8_t flag,uint8_t dummy,uint8_t dummy,uint8_t dummy}
Args:
ee_profile: dict type, the eeprom profile which calibration data stored
address: the starting address
gain: float data
offset: float data
Returns:
bool: True | False, True for success, False for adc read failed
"""
data = (gain, offset)
s = struct.Struct("2f")
pack_data = s.pack(*data)
s = struct.Struct("8B")
data = s.unpack(pack_data)
checksum = 0x00
for i in range(len(data)):
checksum += data[i]
data_byte = list(data)
data_byte.append(checksum & 0xff)
data_byte.append((checksum >> 8) & 0xff)
result = Eeprom.write(ee_profile, address, data_byte)
return result
def eeprom_write(module_name, addr, data):
""" write a list data by the defined profile
Args:
module_name: the key of Dictionary which can get the hardware profile.for example: "dmm-module-1"
addr: which addr will be write data in.
data: data type is list.
Returns:
bool: The return value. True for success, False otherwise.
"""
try:
profile = Profile.get_eeprom_by_name(module_name)
result = Eeprom.write(profile, addr, data)
except Exception as e:
logger.error("execute module eeprom_write False:" + repr(e))
return False
return result
def calibration_double_write(ee_profile, address, gain, offset):
""" Calibration data write
{double gain,double offset,uint8_t flag}
Args:
ee_profile: dict type, the eeprom profile which calibration data stored
address: the starting address
gain: doble data
offset: double data
Returns:
bool: True | False, True for success, False for adc read failed
"""
data = (gain, offset, 0x5a)
s = struct.Struct("2dB")
pack_data = s.pack(*data)
s = struct.Struct("17B")
data = s.unpack(pack_data)
result = Eeprom.write(ee_profile, address, data)
return result
def calibration_float12_write(ee_profile, address, gain, offset):
""" Calibration data write
Compatible with the old case.
{float gain,float offset,uint8_t flag,uint8_t dummy,uint8_t dummy,uint8_t dummy}
Args:
ee_profile: dict type, the eeprom profile which calibration data stored
address: the starting address
gain: float data
offset: float data
Returns:
bool: True | False, True for success, False for adc read failed
"""
data = (gain, offset, 0x5a, 0xff, 0xff, 0xff)
s = struct.Struct("2f4B")
pack_data = s.pack(*data)
s = struct.Struct("12B")
data = s.unpack(pack_data)
result = Eeprom.write(ee_profile, address, data)
return result