Use writebytes as fallback if we have an older spidev

diff --git a/src/adafruit_blinka/microcontroller/generic_linux/spi.py b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
index 71f74c8b931577efb655c8ef42efd1f54ce5093b..51bace1c4b9d13ebdaff343d26d4d80f1e776935 100755 (executable)
--- a/src/adafruit_blinka/microcontroller/generic_linux/spi.py
+++ b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
@@ -53,11 +53,14 @@ class SPI:
             self._spi.max_speed_hz = self.baudrate
             self._spi.mode = self.mode
             self._spi.bits_per_word = self.bits
             self._spi.max_speed_hz = self.baudrate
             self._spi.mode = self.mode
             self._spi.bits_per_word = self.bits

-            self._spi.writebytes2(buf[start:end])
-            self._spi.close()

         except FileNotFoundError as not_found:
             print("Could not open SPI device - check if SPI is enabled in kernel!")
             raise
         except FileNotFoundError as not_found:
             print("Could not open SPI device - check if SPI is enabled in kernel!")
             raise

+        try:
+            self._spi.writebytes2(buf[start:end])
+        except AttributeError as error:
+            self._spi.writebytes([x for x in buf[start:end]])
+        self._spi.close()

 
     def readinto(self, buf, start=0, end=None, write_value=0):
         if not buf:
 
     def readinto(self, buf, start=0, end=None, write_value=0):
         if not buf: