From fd686ca32c7424abc806d585d9bfade546947d9d Mon Sep 17 00:00:00 2001
From: Clement Remi <remi.clement@irstea.fr>
Date: Tue, 7 Dec 2021 14:50:24 +0100
Subject: [PATCH] new python file for testing mux_board
---
test_mux_board.py | 78 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 78 insertions(+)
create mode 100644 test_mux_board.py
diff --git a/test_mux_board.py b/test_mux_board.py
new file mode 100644
index 00000000..62188d83
--- /dev/null
+++ b/test_mux_board.py
@@ -0,0 +1,78 @@
+"""
+Created on Tue Dec 7 06:39:33 2021
+Code for testing switch MUX for ohmpi 2
+@author: remi.clement
+"""
+
+import time , board, busio,adafruit_tca9548a
+from adafruit_mcp230xx.mcp23017 import MCP23017
+import digitalio
+from digitalio import Direction
+
+
+address=0X71# choose the mux board address
+activation_time=1 # choose your activation time in second
+
+
+i2c = busio.I2C(board.SCL, board.SDA) #activation du protocle I2C
+def switch_mux_on(electrode,address):
+ tca= adafruit_tca9548a.TCA9548A(i2c, address)
+ if electrode < 17:
+ nb_i2C=7
+ a=electrode
+ elif electrode > 16 and electrode< 33:
+ nb_i2C=6
+ a=electrode-16
+ elif electrode > 32 and electrode < 49:
+ nb_i2C=5
+ a=electrode-32
+ elif electrode > 48 and electrode < 65:
+ nb_i2C=4
+ a=electrode-48
+
+ mcp2 = MCP23017(tca[nb_i2C])
+ mcp2.get_pin(a-1).direction=Direction.OUTPUT
+ mcp2.get_pin(a-1).value=True
+
+def switch_mux_off(electrode,address):
+ tca= adafruit_tca9548a.TCA9548A(i2c, address)
+ if electrode < 17:
+ nb_i2C=7
+ a=electrode
+ elif electrode > 16 and electrode < 33:
+ nb_i2C=6
+ a=electrode-16
+ elif electrode > 32 and electrode < 49:
+ nb_i2C=5
+
+ a=electrode-32
+ elif electrode > 48 and electrode < 65:
+ nb_i2C=4
+ a=electrode-48
+
+ mcp2 = MCP23017(tca[nb_i2C])
+ mcp2.get_pin(a-1).direction=digitalio.Direction.OUTPUT
+ mcp2.get_pin(a-1).value=False
+
+a=input(' if vous want try 1 channel choose 1, if you want try all channel choose 2!')
+
+if a=='1':
+ b=0
+ print ("run channel by channel test")
+ electrode=int(input(' Choose your electrode number (integer):'))
+ switch_mux_on(electrode,address)
+ print('electrode:',electrode,' activate' )
+ time.sleep(activation_time)
+ switch_mux_off(electrode,address)
+ print('electrode:',electrode,' deactivate' )
+
+if a== '2':
+ for electrode in range(1, 65):
+ switch_mux_on(electrode,address)
+ print('electrode:',electrode,' activate' )
+ time.sleep(activation_time)
+ switch_mux_off(electrode,address)
+ print('electrode:',electrode,' deactivate' )
+
+if a not in ['1', '2']:
+ print ("Wrong choice !")
--
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