def __init__(self, rev):
# Default state: Turn on GPS power, take GPS out of reset or
# init-survey, turn on 156.25 MHz clock
# min Support from revC or rev = 2
if rev == 2:
self.pins = self.pins_list[0]
else:
self.pins = self.pins_list[1]
default_val = 0x860101 if rev == 2 else 0x860780
self._gpios = SysFSGPIO('tca6424', 0xFFF7FF, 0x86F7FF, default_val)
def __init__(self, i2c_dev):
assert i2c_dev is not None
self._gpios = SysFSGPIO({'label': 'tca6424', 'device/of_node/name': 'rhodium-lodist-gpio'}, 0x1FFF0F, 0x1FFF00, 0x00A500, i2c_dev)
board_rev = self._gpios.get(self.pins.index('BD_REV_0')) + \
self._gpios.get(self.pins.index('BD_REV_1')) << 1 + \
self._gpios.get(self.pins.index('BD_REV_2')) << 2
if board_rev != self.EXPECTED_BOARD_REV:
raise RuntimeError('LO distribution board revision did not match: Expected: {0} Actual: {1}'.format(self.EXPECTED_BOARD_REV, board_rev))
self._gpios.set(self.pins.index('P6_8V_EN'), 1)
if not poll_with_timeout(
lambda: bool(self._gpios.get(self.pins.index('P6_8V_PG'))),
self.POWER_ON_TIMEOUT,
self.POWER_ON_POLL_INTERVAL):
self._gpios.set(self.pins.index('P6_8V_EN'), 0)
raise RuntimeError('Power on failure for LO Distribution board')
self._gpios.set(self.pins.index('P6_5V_LDO_EN'), 1)
self._gpios.set(self.pins.index('P3_3V_RF_EN'), 1)
def __init__(self, i2c_dev):
if i2c_dev is None:
raise RuntimeError("Need to specify i2c device to use the TCA6408")
self._gpios = SysFSGPIO('tca6408', 0xBF, 0xAA, 0xAA, i2c_dev)
def __init__(self, i2c_dev):
assert i2c_dev is not None
self._gpios = SysFSGPIO({'label': 'tca6408'}, 0x3F, 0x00, 0x00, i2c_dev)
def __init__(self, i2c_dev):
if i2c_dev is None:
raise RuntimeError("Need to specify i2c device to use the TCA6408")
self._gpios = SysFSGPIO({'label': 'tca6408'}, 0x3F, 0x00, 0x00, i2c_dev)