def writeSelectedBits(self, devAddr, portAddr, regAddr, mask, data):
mdio_data = self.read(devAddr, portAddr, regAddr)
mdio_data &= invert(mask)
mdio_data |= data
# mdio data is only 16 bits in width
mdio_data &= 0xffff
self.write(devAddr, portAddr, regAddr, mdio_data)
def setFEC(self, enable):
"""
set FEC configuration
"""
# get back data first
data = self.mdio.cfp_adaptor_read(DEVICE_1, FEC_CONTROL)
# only set the configuration if it has changed
value = (data | bit(3)) if enable else (data & invert(bit(3)))
self.mdio.cfp_adaptor_write(DEVICE_1, FEC_CONTROL, value)
time.sleep(0.5)
return ""
def writeSelectedBits(self, address, mask, data):
"""
function to write only selected bits
"""
# read back value first
value = self.read(address)
# get all bits that are high and not in mask
value &= invert(mask)
# get bits that are high in mask
value |= (data & mask)
# write back what we want
self.write(address, value)
