From: caternuson <caternuson@gmail.com>
Date: Sat, 21 Sep 2019 02:38:40 +0000 (-0700)
Subject: add i2c scan
X-Git-Tag: 2.5.0^2~1
X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/commitdiff_plain/36a01e28d2d265cdb1e96158b84c1cf35faf7d20

add i2c scan
---

diff --git a/src/adafruit_blinka/microcontroller/ft232h/i2c.py b/src/adafruit_blinka/microcontroller/ft232h/i2c.py
index 45b8921..fd2d30c 100644
--- a/src/adafruit_blinka/microcontroller/ft232h/i2c.py
+++ b/src/adafruit_blinka/microcontroller/ft232h/i2c.py
@@ -9,6 +9,9 @@ class I2C:
         self._i2c.configure('ftdi:///1')
         Pin.ft232h_gpio = self._i2c.get_gpio()
 
+    def scan(self):
+        return [addr for addr in range(0x79) if self._i2c.poll(addr)]
+
     def writeto(self, address, buffer, *, start=0, end=None, stop=True):
         end = end if end else len(buffer)
         port = self._i2c.get_port(address)