add new hal for double H bridge stepper motor driver

2026-07-16 08:37:09 +00:00 · 2020-09-12 23:19:18 +01:00
parent de2b01cbcb
commit ea9db33b19
7 changed files with 401 additions and 52 deletions
@@ -13,6 +13,8 @@ class __I2CDev(object):
    def __init__(self):
        self._os_close = os.close
        # Initialize i2c interface and register it for closing on exit.
+        if not os.path.isfile("/dev/i2c-1"):
+            raise ImportError("i2c not configured")
        self._dev = os.open("/dev/i2c-1", os.O_SYNC | os.O_RDWR)
        if self._dev < 0:
            raise ImportError("i2c device not found")