diff --git a/hardware_components/mux_2024_22_23_4_roles_addressing_table.json b/hardware_components/mux_2024_22_23_4_roles_addressing_table.json
new file mode 100644
index 0000000000000000000000000000000000000000..5e4554fd666063f24ac3e8c78e3f748b03f47ec6
--- /dev/null
+++ b/hardware_components/mux_2024_22_23_4_roles_addressing_table.json
@@ -0,0 +1 @@
+{"(1, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 0}, "(2, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 1}, "(3, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 2}, "(4, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 3}, "(5, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 4}, "(6, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 5}, "(7, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 6}, "(8, A)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 7}, "(1, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 8}, "(2, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 9}, "(3, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 10}, "(4, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 11}, "(5, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 12}, "(6, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 13}, "(7, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 14}, "(8, B)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x22", "MCP_GPIO": 15}, "(8, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 0}, "(7, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 1}, "(6, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 2}, "(5, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 3}, "(4, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 4}, "(3, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 5}, "(2, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 6}, "(1, M)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 7}, "(8, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 8}, "(7, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 9}, "(6, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 10}, "(5, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 11}, "(4, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 12}, "(3, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 13}, "(2, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 14}, "(1, N)": {"TCA_address": null, "TCA_channel": 0, "MCP_address": "0x23", "MCP_GPIO": 15}}
diff --git a/hardware_components/mux_2024_rev_0_0.py b/hardware_components/mux_2024_rev_0_0.py
new file mode 100644
index 0000000000000000000000000000000000000000..817410d0ce25785a550f36914ffea3b9632d7dc9
--- /dev/null
+++ b/hardware_components/mux_2024_rev_0_0.py
@@ -0,0 +1,67 @@
+from OhmPi.config import HARDWARE_CONFIG
+import os
+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']
+
+class Mux(MuxAbstract):
+ def __init__(self, **kwargs):
+ kwargs.update({'board_name': os.path.basename(__file__).rstrip('.py')})
+ super().__init__(**kwargs)
+ self.max_elec = MUX_CONFIG['max_elec']
+ print(os.path.curdir)
+ if self._addresses is None and 'addresses' in MUX_CONFIG.keys():
+ self._get_addresses(MUX_CONFIG['addresses'])
+
+ def reset(self):
+ pass
+
+ 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 d['TCA_address'] is None:
+ tca = self.controller.bus
+ else:
+ tca = adafruit_tca9548a.TCA9548A(self.controller.bus, d['TCA_address'])[d['TCA_channel']]
+ mcp = MCP23017(tca, address=d['MCP_address'])
+ if state == 'on':
+ print('opening gpio nr', d['MCP_GPIO'])
+ print('opening electrode nr', elec)
+ print('opening role', role)
+ print('opening MCP', d['MCP_address'])
+ set_relay_state(mcp, d['MCP_GPIO'], True)
+ if state == 'off':
+ set_relay_state(mcp, d['MCP_GPIO'], False)
+
+ # self.tca = adafruit_tca9548a.TCA9548A(i2c, self.addresses[role])
+ # # find I2C address of the electrode and corresponding relay
+ # # considering that one MCP23017 can cover 16 electrodes
+ # i2c_address = 7 - (elec - 1) // 16 # quotient without rest of the division
+ # relay = (elec - 1) - ((elec - 1) // 16) * 16
+ #
+ # if i2c_address is not None:
+ # # select the MCP23017 of the selected MUX board
+ # mcp = MCP23017(self.tca[i2c_address])
+ # mcp.get_pin(relay - 1).direction = digitalio.Direction.OUTPUT
+ # if state == 'on':
+ # mcp.get_pin(relay - 1).value = True
+ # else:
+ # mcp.get_pin(relay - 1).value = False
+ # # exec_logger.debug(f'Switching relay {relay} '
+ # # f'({str(hex(self.addresses[role]))}) on:{on} for electrode {elec}')
+ # else:
+ # raise ValueError('No I2C address found for the electrode'
+ # ' {:d} on board {:s}'.format(elec, self.addresses[role]))
+ # # exec_logger.warning(f'Unable to address electrode nr {elec}')
+
+ def test(self, *args):
+ MuxAbstract.test(self, *args)
\ No newline at end of file