Merge pull request #588 from makermelissa/main

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / microcontroller / rp2040_u2if / i2c.py

diff --git a/src/adafruit_blinka/microcontroller/rp2040_u2if/i2c.py b/src/adafruit_blinka/microcontroller/rp2040_u2if/i2c.py
index f12764ad3134755709e64522b669882eddd422db..f4a1a61fd697d5442ad4d82fed306da9656789da 100644 (file)
--- a/src/adafruit_blinka/microcontroller/rp2040_u2if/i2c.py
+++ b/src/adafruit_blinka/microcontroller/rp2040_u2if/i2c.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """I2C Classes for RP2040s with u2if firmware"""
 from .rp2040_u2if import rp2040_u2if
 
@@ -36,7 +39,7 @@ class I2C:
         out_end=None,
         in_start=0,
         in_end=None,
-        stop=False
+        stop=False,
     ):
         """Write data from buffer_out to an address and then
         read data from an address and into buffer_in
@@ -115,6 +118,19 @@ class I2C_ItsyBitsy(I2C):
         super().__init__(index, frequency=frequency)
 
 
+class I2C_MacroPad(I2C):
+    """I2C Class for MacroPad u2if"""
+
+    def __init__(self, scl, sda, *, frequency=100000):
+        index = None
+        if scl.id == 21 and sda.id == 20:
+            index = 0
+        if index is None:
+            raise ValueError("I2C not found on specified pins.")
+        self._index = index
+        super().__init__(index, frequency=frequency)
+
+
 class I2C_QT2040_Trinkey(I2C):
     """I2C Class for QT2040 Trinkey u2if"""