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Olivier Kaufmann authoredfda16ad2
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from OhmPi.config import HARDWARE_CONFIG
import os
import numpy as np
from OhmPi.hardware_components import MuxAbstract
import adafruit_tca9548a # noqa
from adafruit_mcp230xx.mcp23017 import MCP23017 # noqa
from digitalio import Direction # noqa
MUX_CONFIG = HARDWARE_CONFIG['mux']
MUX_CONFIG['default_mux_cabling'] = {(i, j) : ('mux_1', i) for j in ['A', 'B', 'M', 'N'] for i in range(1,9)} # 4 roles cabling electrodes from 1 to 8
inner_cabling ={'4_roles' : {(1, 'X'): {'MCP': 0, 'MCP_GPIO': 0},
(2, 'X'): {'MCP': 0, 'MCP_GPIO': 1},
(3, 'X'): {'MCP': 0, 'MCP_GPIO': 2},
(4, 'X'): {'MCP': 0, 'MCP_GPIO': 3},
(5, 'X'): {'MCP': 0, 'MCP_GPIO': 4},
(6, 'X'): {'MCP': 0, 'MCP_GPIO': 5},
(7, 'X'): {'MCP': 0, 'MCP_GPIO': 6},
(8, 'X'): {'MCP': 0, 'MCP_GPIO': 7},
(1, 'Y'): {'MCP': 0, 'MCP_GPIO': 8},
(2, 'Y'): {'MCP': 0, 'MCP_GPIO': 9},
(3, 'Y'): {'MCP': 0, 'MCP_GPIO': 10},
(4, 'Y'): {'MCP': 0, 'MCP_GPIO': 11},
(5, 'Y'): {'MCP': 0, 'MCP_GPIO': 12},
(6, 'Y'): {'MCP': 0, 'MCP_GPIO': 13},
(7, 'Y'): {'MCP': 0, 'MCP_GPIO': 14},
(8, 'Y'): {'MCP': 0, 'MCP_GPIO': 15},
(8, 'XX'): {'MCP': 1, 'MCP_GPIO': 0},
(7, 'XX'): {'MCP': 1, 'MCP_GPIO': 1},
(6, 'XX'): {'MCP': 1, 'MCP_GPIO': 2},
(5, 'XX'): {'MCP': 1, 'MCP_GPIO': 3},
(4, 'XX'): {'MCP': 1, 'MCP_GPIO': 4},
(3, 'XX'): {'MCP': 1, 'MCP_GPIO': 5},
(2, 'XX'): {'MCP': 1, 'MCP_GPIO': 6},
(1, 'XX'): {'MCP': 1, 'MCP_GPIO': 7},
(8, 'YY'): {'MCP': 1, 'MCP_GPIO': 8},
(7, 'YY'): {'MCP': 1, 'MCP_GPIO': 9},
(6, 'YY'): {'MCP': 1, 'MCP_GPIO': 10},
(5, 'YY'): {'MCP': 1, 'MCP_GPIO': 11},
(4, 'YY'): {'MCP': 1, 'MCP_GPIO': 12},
(3, 'YY'): {'MCP': 1, 'MCP_GPIO': 13},
(2, 'YY'): {'MCP': 1, 'MCP_GPIO': 14},
(1, 'YY'): {'MCP': 1, 'MCP_GPIO': 15}},
'2_roles': {(1, 'X'): {'MCP': 0, 'MCP_GPIO': 0}, # TODO: WARNING check 2_roles table, it has not been verified yet !!!
(2, 'X'): {'MCP': 0, 'MCP_GPIO': 1},
(3, 'X'): {'MCP': 0, 'MCP_GPIO': 2},
(4, 'X'): {'MCP': 0, 'MCP_GPIO': 3},
(5, 'X'): {'MCP': 0, 'MCP_GPIO': 4},
(6, 'X'): {'MCP': 0, 'MCP_GPIO': 5},
(7, 'X'): {'MCP': 0, 'MCP_GPIO': 6},
(8, 'X'): {'MCP': 0, 'MCP_GPIO': 7},
(9, 'Y'): {'MCP': 0, 'MCP_GPIO': 8},
(10, 'Y'): {'MCP': 0, 'MCP_GPIO': 9},
(11, 'Y'): {'MCP': 0, 'MCP_GPIO': 10},
(12, 'Y'): {'MCP': 0, 'MCP_GPIO': 11},
(13, 'Y'): {'MCP': 0, 'MCP_GPIO': 12},
(14, 'Y'): {'MCP': 0, 'MCP_GPIO': 13},
(15, 'Y'): {'MCP': 0, 'MCP_GPIO': 14},
(16, 'Y'): {'MCP': 0, 'MCP_GPIO': 15},
(8, 'X'): {'MCP': 1, 'MCP_GPIO': 0},
(7, 'X'): {'MCP': 1, 'MCP_GPIO': 1},
(6, 'X'): {'MCP': 1, 'MCP_GPIO': 2},
(5, 'X'): {'MCP': 1, 'MCP_GPIO': 3},
(4, 'X'): {'MCP': 1, 'MCP_GPIO': 4},
(3, 'X'): {'MCP': 1, 'MCP_GPIO': 5},
(2, 'X'): {'MCP': 1, 'MCP_GPIO': 6},
(1, 'X'): {'MCP': 1, 'MCP_GPIO': 7},
(16, 'Y'): {'MCP': 1, 'MCP_GPIO': 8},
(15, 'Y'): {'MCP': 1, 'MCP_GPIO': 9},
(14, 'Y'): {'MCP': 1, 'MCP_GPIO': 10},
(13, 'Y'): {'MCP': 1, 'MCP_GPIO': 11},
(12, 'Y'): {'MCP': 1, 'MCP_GPIO': 12},
(11, 'Y'): {'MCP': 1, 'MCP_GPIO': 13},
(10, 'Y'): {'MCP': 1, 'MCP_GPIO': 14},
(9, 'Y'): {'MCP': 1, 'MCP_GPIO': 15}}}
class Mux(MuxAbstract):
def __init__(self, **kwargs):
kwargs.update({'board_name': os.path.basename(__file__).rstrip('.py')})
if 'cabling' not in kwargs.keys():
kwargs.update({'cabling': MUX_CONFIG['default_mux_cabling']})
super().__init__(**kwargs)
self.exec_logger.debug(f'configuration: {MUX_CONFIG}')
tca_address = kwargs.pop('tca_address', None)
tca_channel = kwargs.pop('tca_channel', 0)
self._roles = kwargs.pop('roles', None)
if self._roles is None:
self._roles = {'X': 'A', 'Y': 'B', 'XX': 'M', 'YY': 'N'}
if np.alltrue([j in self._roles for j in set([i[1] for i in list(inner_cabling['4_roles'].keys())])]):
self._mode = '4_roles'
elif np.alltrue([j in self._roles for j in set([i[1] for i in list(inner_cabling['2_roles'].keys())])]):
self._mode = '2_roles'
else:
self.exec_logger.error(f'Invalid role assignment for {self.board_name}: {self._roles} !')
self._mode = ''
if tca_address is None:
self._tca = self.controller.bus
else:
self._tca = adafruit_tca9548a.TCA9548A(self.controller.bus, tca_address)[tca_channel]
self._mcp_addresses = (kwargs.pop('mcp_0', '0x22'), kwargs.pop('mcp_1', '0x23')) # TODO add assert on valid addresses..
self._mcp = [None, None]
self.reset()
if self.addresses is None:
self._get_addresses()
self.exec_logger.debug(f'addresses: {self.addresses}')
def _get_addresses(self):
""" Converts inner cabling addressing into (electrodes, role) addressing """
d = inner_cabling[self._mode]
self.addresses = {}
for k, v in d.items():
#print(f'self.cabling: {self.cabling}, k: {k}, self._roles: {self._roles}, d: {d}')
print(f'self.cabling[k[0]]: {self.cabling[(k[0], self._roles[k[1]])]}')
print(f'self._roles[k[1]]: {self._roles[k[1]]}')
self.addresses.update({self.cabling[(k[0], self._roles[k[1]])]: v})
print(f'addresses: {self.addresses}')
def reset(self):
self._mcp[0] = MCP23017(self._tca, address=int(self._mcp_addresses[0], 16))
self._mcp[1] = MCP23017(self._tca, address=int(self._mcp_addresses[1], 16))
def switch_one(self, elec=None, role=None, state=None):
MuxAbstract.switch_one(self, elec=elec, role=role, state=state)
def set_relay_state(mcp, mcp_pin, state=True):
pin_enable = mcp.get_pin(mcp_pin)
pin_enable.direction = Direction.OUTPUT
pin_enable.value = state
d = self.addresses[elec, role]
if state == 'on':
set_relay_state(self._mcp[d['MCP']], d['MCP_GPIO'], True)
if state == 'off':
set_relay_state(self._mcp[d['MCP']], d['MCP_GPIO'], False)
def test(self, *args):
MuxAbstract.test(self, *args)