Merge pull request #3 from todbot/main

adafruit_pio_uart.receive() should return None on no bytes received
adafruit · Oct 12, 2024 · dbd647b · dbd647b
2 parents 8442c9c + 981bdc7
commit dbd647b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/adafruit_pio_uart.py b/adafruit_pio_uart.py
@@ -184,6 +184,8 @@ def read(self, n):
         else:
             buf = bytearray(n)
         n = self.readinto(buf)
+        if n == 0:
+            return None
         if n < len(buf):
             return buf[:n]
         return buf