def test_i2c(proxy):
'''
Get metadata for all of the devices on the i2c bus.
Parameters
----------
proxy : Proxy
Returns
-------
dict
Nested dictionary (keyed by i2c address) containing metadata
(e.g., uuid, name, software version, hardware version) for each of the
devices on the i2c bus.
.. versionchanged:: 1.47
Split using byte strings to support Python 3.
'''
results = {}
results['i2c_scan'] = {}
for address in proxy.i2c_scan():
if address in [32, 33, 34]:
node = BaseNode(proxy, int(address))
info = {
'name': node.name().split(b'\0', 1)[0],
'hardware_version': node.hardware_version().split(b'\0', 1)[0],
'software_version': node.software_version().split(b'\0', 1)[0],
'uuid': str(node.uuid)
}
results['i2c_scan'].update({int(address): info})
elif address in [80, 81]:
n_bytes = proxy.i2c_eeprom_read(address, 0, 1)
data = proxy.i2c_eeprom_read(address, 1, n_bytes)
board = metadata.Hardware.FromString(data.tobytes())
info = {
'name': board.name,
'hardware_version': board.version,
'uuid': str(uuid.UUID(bytes=board.uuid))
}
results['i2c_scan'].update({int(address): info})
elif address == proxy.config.i2c_address:
pass
else:
results['i2c_scan'].update({int(address): {}})
return results
from dilate3x3 import Dilate3x3
from dilate2x2 import Dilate2x2
from erode3x3 import Erode3x3
from erode2x2 import Erode2x2
from add import Add
from multiply import Multiply
from scale_image import ScaleImage
from magnitude import Magnitude
from table_lookup import TableLookup
from or_node import Or
from and_node import And
from warp_affine import WarpAffine
from dubbel_io_test import DubbelIoTest
#Only create node classes once, when module is first loaded
DEFAULT_DUMMY_NODE = BaseNode() #Used if name of node is not in the dictionary
NODE_DICTIONARY = {'HalfScaleGaussian' : HalfScaleGaussian(),
'Subtract' : Subtract(),
'Threshold' : Threshold(),
'Sobel3x3' : Sobel3x3(),
'AbsDiff' : AbsDiff(),
'ConvertDepth' : ConvertDepth(),
'Dilate3x3' : Dilate3x3(),
'Erode3x3' : Erode3x3(),
'Add' : Add(),
'Multiply' : Multiply(),
'ScaleImage' : ScaleImage(),
'Magnitude' : Magnitude(),
'TableLookup' : TableLookup(),
'Or' : Or(),