X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/15891fa3df5ef5bc97c020fc72c34dc43348b253..d8e7e44560d6c002f7267eb8dba785d09bc1b47f:/src/adafruit_blinka/microcontroller/ft232h/spi.py?ds=sidebyside

diff --git a/src/adafruit_blinka/microcontroller/ft232h/spi.py b/src/adafruit_blinka/microcontroller/ft232h/spi.py
index 81797b3..c768eaf 100644
--- a/src/adafruit_blinka/microcontroller/ft232h/spi.py
+++ b/src/adafruit_blinka/microcontroller/ft232h/spi.py
@@ -67,7 +67,8 @@ 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._port.read(end - start)
+        buffer_out = [write_value] * (end - start)
+        result = self._port.exchange(buffer_out, end - start, duplex=True)
         for i, b in enumerate(result):
             buf[start + i] = b