def test_spi_software_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch(
'io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0, ) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
factory = NativeFactory()
with patch('gpiozero.pins.local.SpiDev'):
with factory.spi(select_pin=6) as device:
assert isinstance(device, LocalPiSoftwareSPI)
device.close()
assert device.closed
with factory.spi(clock_pin=11, mosi_pin=9, miso_pin=10) as device:
assert isinstance(device, LocalPiSoftwareSPI)
device._bus.close()
assert device._bus.closed
device.close()
assert device.closed
with factory.spi(select_pin=6, shared=True) as device:
assert isinstance(device, LocalPiSoftwareSPIShared)
with patch('gpiozero.pins.local.SpiDev', None):
# Clear out the old factory's caches (this is only necessary because
# we're being naughty switching out patches)
factory.pins.clear()
factory._reservations.clear()
# Ensure software fallback works when SpiDev isn't present
with factory.spi() as device:
assert isinstance(device, LocalPiSoftwareSPI)
def test_spi_software_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch('io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0,) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
factory = NativeFactory()
with patch('gpiozero.pins.local.SpiDev'):
with factory.spi(select_pin=6) as device:
assert isinstance(device, LocalPiSoftwareSPI)
device.close()
assert device.closed
with factory.spi(clock_pin=11, mosi_pin=9, miso_pin=10) as device:
assert isinstance(device, LocalPiSoftwareSPI)
device._bus.close()
assert device._bus.closed
device.close()
assert device.closed
with factory.spi(select_pin=6, shared=True) as device:
assert isinstance(device, LocalPiSoftwareSPIShared)
with patch('gpiozero.pins.local.SpiDev', None):
# Clear out the old factory's caches (this is only necessary because
# we're being naughty switching out patches)
factory.pins.clear()
factory._reservations.clear()
# Ensure software fallback works when SpiDev isn't present
with factory.spi() as device:
assert isinstance(device, LocalPiSoftwareSPI)
def test_spi_hardware_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch(
'io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0, ) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
factory = NativeFactory()
with patch('gpiozero.pins.local.SpiDev'):
with factory.spi() as device:
assert isinstance(device, LocalPiHardwareSPI)
device.close()
assert device.closed
with factory.spi(port=0, device=0) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(port=0, device=1) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11, mosi_pin=10,
select_pin=8) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11, mosi_pin=10,
select_pin=7) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(shared=True) as device:
assert isinstance(device, LocalPiHardwareSPIShared)
with pytest.raises(ValueError):
factory.spi(port=1)
with pytest.raises(ValueError):
factory.spi(device=2)
with pytest.raises(ValueError):
factory.spi(port=0, clock_pin=12)
with pytest.raises(ValueError):
factory.spi(foo='bar')
def test_spi_hardware_params():
with patch('os.open'), patch('mmap.mmap') as mmap_mmap, patch('io.open') as io_open:
mmap_mmap.return_value = array(nstr('B'), (0,) * 4096)
io_open.return_value.__enter__.return_value = ['Revision: a21042']
factory = NativeFactory()
with patch('gpiozero.pins.local.SpiDev'):
with factory.spi() as device:
assert isinstance(device, LocalPiHardwareSPI)
device.close()
assert device.closed
with factory.spi(port=0, device=0) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(port=0, device=1) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11, mosi_pin=10, select_pin=8) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(clock_pin=11, mosi_pin=10, select_pin=7) as device:
assert isinstance(device, LocalPiHardwareSPI)
with factory.spi(shared=True) as device:
assert isinstance(device, LocalPiHardwareSPIShared)
with pytest.raises(ValueError):
factory.spi(port=1)
with pytest.raises(ValueError):
factory.spi(device=2)
with pytest.raises(ValueError):
factory.spi(port=0, clock_pin=12)
with pytest.raises(ValueError):
factory.spi(foo='bar')