Merge pull request #1010 from Gautham103/jetson-thor-spi

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / microcontroller / nxp_lpc4330 / spi.py

diff --git a/src/adafruit_blinka/microcontroller/nxp_lpc4330/spi.py b/src/adafruit_blinka/microcontroller/nxp_lpc4330/spi.py
index 17859a42d374e19b23f93de123c7ea97172072d7..29f4734c7e7083c70a73a7ad5d14349476e8a133 100644 (file)
--- a/src/adafruit_blinka/microcontroller/nxp_lpc4330/spi.py
+++ b/src/adafruit_blinka/microcontroller/nxp_lpc4330/spi.py
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
 """SPI Class for NXP LPC4330"""
 from greatfet import GreatFET
 
@@ -69,8 +72,7 @@ class SPI:
         to the found value
         """
         closest_preset = None
-        for frequency in self._presets:
-            preset = self._presets[frequency]
+        for frequency, preset in self._presets.items():
             if self._frequency is None or abs(frequency - target_frequency) < abs(
                 self._frequency - target_frequency
             ):
@@ -93,7 +95,7 @@ class SPI:
     def readinto(self, buf, start=0, end=None, write_value=0):
         """Read data from SPI and into the buffer"""
         end = end if end else len(buf)
-        result = self._transmit([], end - start)
+        result = self._transmit([write_value] * (end - start), end - start)
         for i, b in enumerate(result):
             buf[start + i] = b