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:
- 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:
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!")