def relay_test():
i2c = I2C(
name="Relays",
i2c_lock=threading.RLock(),
bus=2,
address=0x27,
mux=None,
channel=1,
# mux_simulator=MuxSimulator(),
# PeripheralSimulator=CustomPeripheralSimulator,
)
# one-time setup
i2c.write_register(0x00, 0x00) # set pins 0-7 to output
i2c.write_register(0x01, 0x00) # set pins 8-15 to output
i2c.write_register(0x12, 0x00) # set outputs 0-7 to off
i2c.write_register(0x13, 0x00) # set outputs 8-15 to off
time.sleep(.5)
while True:
# write and read testing
i2c.write_register(0x12, 0xFF) # set outputs 0-7 to on
i2c.write_register(0x13, 0xFF) # set outputs 8-15 to on
time.sleep(2)
logging.info(i2c.read_register(
0x14)) # read current MCP pin setting for pins 0-7
logging.info(i2c.read_register(
0x15)) # read current MCP pin setting for pins 8-15
time.sleep(2)
i2c.write_register(0x12, 0x00) # set outputs 0-7 to off
i2c.write_register(0x13, 0x00) # set outputs 8-15 to off
time.sleep(2)
def talk_to_arduino():
i2c = I2C(name="Arduino",
i2c_lock=threading.RLock(),
bus=2,
address=0x08,
mux=None)
i2c.write(bytes("*w_3_0^", 'utf-8'))
def test_init():
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=PeripheralSimulator,
)
def test_write_register():
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=PeripheralSimulator,
)
i2c.write_register(0x01, 0x02)
def test_read_empty_register():
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=PeripheralSimulator,
)
byte = i2c.read_register(0x01)
def test_write_unknown():
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=PeripheralSimulator,
)
with pytest.raises(WriteError):
i2c.write([0x01])
def test_read_empty():
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=PeripheralSimulator,
)
bytes_ = i2c.read(2)
assert bytes_[0] == 0x00
assert bytes_[1] == 0x00
def test_if_device_exists():
ad = 0x08
logging.info(ad)
i2c = I2C(name="Device",
i2c_lock=threading.RLock(),
bus=2,
address=ad,
mux=None)
i2c.write(bytes("i"))
# test_if_device_exists()
def read_light_sensor():
TSL2561_control = 0x80
TSL2561_timing = 0x81
TSL2561_Interrupt = 0x86
TSL2561_Channal0L = 0x8C
TSL2561_Channal0H = 0x8D
TSL2561_Channal1L = 0x8E
TSL2561_Channal1H = 0x8F
TSL2561_Address = 0x29 # device address
i2c = I2C(name="Arduino",
i2c_lock=threading.RLock(),
bus=2,
address=0x29,
mux=None)
def test_read_custom_register():
class CustomPeripheralSimulator(PeripheralSimulator):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.registers = {0xE7: 0x00}
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=CustomPeripheralSimulator,
)
assert i2c.read_register(0xE7) == 0x00
def test_write_read():
class CustomPeripheralSimulator(PeripheralSimulator):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.writes = {byte_str(bytes([0x01])): bytes([0x02])}
i2c = I2C(
name="Test",
i2c_lock=threading.RLock(),
bus=2,
address=0x40,
mux=0x77,
channel=4,
mux_simulator=MuxSimulator(),
PeripheralSimulator=CustomPeripheralSimulator,
)
i2c.write(bytes([0x01]))
bytes_ = i2c.read(1)
assert bytes_[0] == 0x02