software/i2c/bus: discover returns the list of addresses

Author: povauboin

lambdalib/software/i2c/bus.py

@@ -75,6 +75,7 @@ def read_block_data(self, addr, reg, length):
     def discover(self):
         print("Discovering...")
 
+        addrs = []
         for addr in range(0, 128): # 7 bits addr
 
             length = 0
@@ -87,13 +88,16 @@ def discover(self):
                 sys.stdout.write(".. ")
                 sys.stdout.flush()
             else:
+                addrs.append(addr)
                 sys.stdout.write(f"{addr:02x} ")
                 sys.stdout.flush()
 
             if (addr % 16) == 15:
                 sys.stdout.write("\n")
                 sys.stdout.flush()
 
+        return addrs
+
     def discover_queue(self):
         print("Discovering...")