Clean up a bit

[hackapet/Adafruit_Blinka.git] / src / adafruit_blinka / microcontroller / mips24kec / spi2.py

diff --git a/src/adafruit_blinka/microcontroller/mips24kec/spi2.py b/src/adafruit_blinka/microcontroller/mips24kec/spi2.py
deleted file mode 100755 (executable)
index 1ad3c9b..0000000
--- a/src/adafruit_blinka/microcontroller/mips24kec/spi2.py
+++ /dev/null
@@ -1,93 +0,0 @@
-from periphery import SPI
-import time
-from adafruit_blinka.agnostic import detector
-
-class SPI:
-    MSB = 0
-    LSB = 1
-    CPHA = 1
-    CPOL = 2
-
-    baudrate = 100000
-    mode = 0
-    bits = 8
-
-    def __init__(self, portid):
-        if isinstance(portid, tuple):
-            self._bus_id = portid[0]
-            self._device_id = portid[1]
-        else:
-            self._bus_id = portid
-            self._device_id = 0
-
-    def init(self, baudrate=100000, polarity=0, phase=0, bits=8,
-                  firstbit=MSB, sck=None, mosi=None, miso=None):
-        mode = 0
-        if polarity:
-            mode |= self.CPOL
-        if phase:
-            mode |= self.CPHA
-
-        self.clock_pin = sck
-        self.mosi_pin = mosi
-        self.miso_pin = miso
-        self.baudrate = baudrate
-        self.mode = mode
-        self.bits = bits
-        self.chip = detector.chip
-
-    def set_no_cs(self):
-        # 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:
-            return
-        if end is None:
-            end = len(buf)
-        try:
-            self._spi = SPI("/dev/spidev{}.{}".format(self._bus_id, self._device_id), self.mode, self.baudrate, bits_per_word=self.bits)
-            data_in = spi.transfer(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
-
-    def readinto(self, buf, start=0, end=None, write_value=0):
-        if not buf:
-            return
-        if end is None:
-            end = len(buf)
-        try:
-            self._spi = SPI("/dev/spidev{}.{}".format(self._bus_id, self._device_id), self.mode, self.baudrate, bits_per_word=self.bits)
-            data = spi.transfer([write_value]*(end-start))
-            for i in range(end-start):  # 'readinto' the given buffer
-              buf[start+i] = data[i]
-            self._spi.close()
-        except FileNotFoundError as not_found:
-            print("Could not open SPI device - check if SPI is enabled in kernel!")
-            raise
-
-    def write_readinto(self, buffer_out, buffer_in, out_start=0,
-                       out_end=None, in_start=0, in_end=None):
-        if not buffer_out or not buffer_in:
-            return
-        if out_end is None:
-            out_end = len(buffer_out)
-        if in_end is None:
-            in_end = len(buffer_in)
-        if out_end - out_start != in_end - in_start:
-            raise RuntimeError('Buffer slices must be of equal length.')
-        try:
-            self._spi = SPI("/dev/spidev{}.{}".format(self._bus_id, self._device_id), self.mode, self.baudrate, bits_per_word=self.bits)
-            data = spi.transfer(list(buffer_out[out_start:out_end+1]))
-            for i in range((in_end - in_start)):
-                buffer_in[i+in_start] = data[i]
-            self._spi.close()
-        except FileNotFoundError as not_found:
-            print("Could not open SPI device - check if SPI is enabled in kernel!")
-            raise