Merge pull request #167 from makermelissa/master

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

diff --git a/src/adafruit_blinka/microcontroller/generic_linux/spi.py b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
index 585baccfafe2af0e8726d7138fbbb60db5216f43..f2ffa823ec6a64c70570aed4cf68ad92ea14c67a 100755 (executable)
--- a/src/adafruit_blinka/microcontroller/generic_linux/spi.py
+++ b/src/adafruit_blinka/microcontroller/generic_linux/spi.py
@@ -33,14 +33,12 @@ class SPI:
         self.chip = detector.chip
 
     def set_no_cs(self):
         self.chip = detector.chip
 
     def set_no_cs(self):

-        # Linux SPI driver for AM33XX chip in BeagleBone and PocketBeagle
-        # does not support setting SPI_NO_CS mode bit (issue #104)
-        if not self.chip.AM33XX and not self.chip.IMX8MX and not self.chip.SAMA5 \
-         and not self.chip.APQ8016:
-            try:
-                self._spi.no_cs = True  # this doesn't work but try anyways
-            except AttributeError:
-                pass
+        # No kernel seems to support this, so we're just going to pass
+        pass
+
+    @property
+    def frequency(self):
+        return self.baudrate

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


@@ -53,7 +51,7 @@ 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.writebytes([x for x in buf[start:end]])
+            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!")
             self._spi.close()
         except FileNotFoundError as not_found:
             print("Could not open SPI device - check if SPI is enabled in kernel!")