def __init__(self, vid=0x04d8, pid=0xf517):
"""Constructor.
Arguments:
vid: Integer. Vendor ID.
pid: Integer. Product ID.
"""
import mcp2210
self.device = mcp2210.MCP2210(vid, pid)
def test_eeprom_write_list(self):
self.dev = mcp2210.MCP2210()
vals = [11, 22, 33, 44]
self.dev.eeprom = vals
self.assertEqual(vals, self.dev.eeprom[0:4])
def test_readme_examples(self):
self.dev = mcp2210.MCP2210()
self.dev.eeprom[10:14] = [2, 4, 8, 16]
self.assertEqual(self.dev.eeprom[10:14], [2, 4, 8, 16])
self.assertEqual(self.dev.eeprom[12], 8)
def test_eeprom_write_single(self):
self.dev = mcp2210.MCP2210()
val = (self.dev.eeprom[0] + 1) & 0xff
self.dev.eeprom[0] = val
self.assertEqual(self.dev.eeprom[0], val)
def test_eeprom_write_slice(self):
self.dev = mcp2210.MCP2210()
vals = [(v + 1) & 0xff for v in self.dev.eeprom[0:4]]
self.dev.eeprom[0:4] = vals
self.assertEqual(vals, self.dev.eeprom[0:4])
def test_eeprom_read_single(self):
self.dev = mcp2210.MCP2210()
val = self.dev.eeprom[0]
self.assertUInt8(val)
def test_eeprom_read_slice(self):
self.dev = mcp2210.MCP2210()
vals = self.dev.eeprom[0:4]
self.assertEqual(len(vals), 4)
for val in vals:
self.assertUInt8(val)
def test_construct_path(self):
'''Verify the constructor accepts a USB path'''
descriptors = hid.enumerate(mcp2210.MCP2210.VID, mcp2210.MCP2210.PID)
self.dev = mcp2210.MCP2210(path=descriptors[0]['path'])
self.assertIsInstance(self.dev, mcp2210.device.MCP2210)
def test_construct_invalid_vid_pid(self):
'''Verify the constructor fails with invalid vid, pid arguments'''
with self.assertRaises(OSError):
self.dev = mcp2210.MCP2210(vid=0xffff, pid=0xfff)
def test_construct_default(self):
'''Verify the constructor finds an MCP2210 with no arguments'''
self.dev = mcp2210.MCP2210()
self.assertIsInstance(self.dev, mcp2210.device.MCP2210)
def test_construct_vid_pid_keyword(self):
'''Verify the constructor accepts keyword vid, pid'''
self.dev = mcp2210.MCP2210(vid=0x04d8, pid=0x00de)
self.assertIsInstance(self.dev, mcp2210.device.MCP2210)
def test_construct_positional(self):
'''Verify the constructor accepts positional vid, pid arguments'''
self.dev = mcp2210.MCP2210(0x04d8, 0x00de)
self.assertIsInstance(self.dev, mcp2210.device.MCP2210)