Merge pull request #476 from caternuson/feather_u2if

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / microcontroller / rp2040 / i2c.py

diff --git a/src/adafruit_blinka/microcontroller/rp2040/i2c.py b/src/adafruit_blinka/microcontroller/rp2040/i2c.py
index 16ff2e35b5c42d1a9c87085742470864f1566a0f..785769d7e0035d41a82ba29f40c07e50f697ab81 100644 (file)
--- a/src/adafruit_blinka/microcontroller/rp2040/i2c.py
+++ b/src/adafruit_blinka/microcontroller/rp2040/i2c.py
@@ -28,14 +28,13 @@ class I2C:
         """Perform an I2C Device Scan"""
         return self._i2c.scan()
 
-    # pylint: disable=unused-argument
     def writeto(self, address, buffer, *, stop=True):
         "Write data to the address from the buffer"
-        return self._i2c.writeto(address, buffer)
+        return self._i2c.writeto(address, buffer, stop)
 
     def readfrom_into(self, address, buffer, *, stop=True):
         """Read data from an address and into the buffer"""
-        return self._i2c.readfrom_into(address, buffer)
+        return self._i2c.readfrom_into(address, buffer, stop)
 
     def writeto_then_readfrom(
         self,
@@ -52,14 +51,13 @@ class I2C:
         """Write data from buffer_out to an address and then
         read data from an address and into buffer_in
         """
-        self._i2c.writeto_then_readfrom(
-            address,
-            buffer_out,
-            buffer_in,
-            out_start=out_start,
-            out_end=out_end,
-            in_start=in_start,
-            in_end=in_end,
-        )
-
-    # pylint: enable=unused-argument
+        if out_end:
+            self.writeto(address, buffer_out[out_start:out_end], stop=stop)
+        else:
+            self.writeto(address, buffer_out[out_start:], stop=stop)
+        read_buffer = buffer_in
+        self.readfrom_into(address, read_buffer, stop=stop)
+        if in_end:
+            buffer_in[in_start:in_end] = read_buffer[in_start:in_end]
+        else:
+            buffer_in[in_start:] = read_buffer[in_start:]