driver spb16ch: corretto sistema di attivazione schede

drv/spb16ch/scripts/mux_disable.py

@@ -0,0 +1,37 @@
+#!/usr/bin/python
+# coding=utf-8
+
+# Disable PCA9547 I2C multiplexer
+# I2C Address: 0xYY, where YY can be 70 through 77
+# sudo ./mux_channel.py ADDRESS CHANNEL
+# Example: sudo ./mux_disable.py 70 
+
+import time
+import argparse
+
+import RPi.GPIO as GPIO
+import smbus
+
+def I2C_setup(multiplexer_i2c_address):
+    I2C_address = 0x70 + multiplexer_i2c_address % 10
+    if GPIO.RPI_REVISION in [2, 3]:
+        I2C_bus_number = 1
+    else:
+        I2C_bus_number = 0
+
+    bus = smbus.SMBus(I2C_bus_number)
+    i2c_channel_setup=0x00 
+    #i2c_channel_setup=i2c_channel_setup + 0x08 
+    bus.write_byte(I2C_address, i2c_channel_setup)
+    #time.sleep(0.1)
+
+def menu():
+    parser = argparse.ArgumentParser(description='Select Address of Disable PCA9547 Multiplexer')
+    parser.add_argument('address', type=int)
+
+    args = parser.parse_args()
+
+    I2C_setup(args.address)
+
+if __name__ == "__main__":
+    menu()