--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uc1701x_spi.py	Thu Mar 22 02:58:23 2018 +0100
@@ -0,0 +1,62 @@
+import framebuf
+
+
+class Display:
+    _byte = bytearray(1)
+    _word = bytearray(2)
+
+    def __init__(self, spi, dc, cs=None, width=128, height=64):
+        self._spi = spi
+        self._cs = cs or (lambda x: x)
+        self._dc = dc
+        self.width = width
+        self.height = height
+        pages = height // 8
+        buffer = bytearray(width * pages)
+        self.fb = framebuf.FrameBuffer(buffer, width, height, framebuf.MVLSB)
+        self._buffer = memoryview(buffer)
+        self._move = bytearray(b'\xb0\x00\x10')
+        self.reset()
+        self.active(1)
+
+    def _command(self, data):
+        self._dc(0)
+        self._cs(0)
+        self._spi.write(data)
+        self._cs(1)
+
+    def reset(self):
+        self._command(b'\xe2\x2f')
+
+    def active(self, val):
+        self._command(b'\xaf' if val else b'\xae')
+
+    def inverse(self, val):
+        self._command(b'\xa7' if val else b'\xa6')
+
+    def vscroll(self, dy):
+        self._byte[0] = 0x40 | dy & 0x3f
+        self._command(self._byte)
+
+    def flip(self, val):
+        self._command(b'\xc0' if val else b'\xc8')
+
+    def mirror(self, val):
+        self._command(b'\xa0' if val else b'\xa1')
+
+    def contrast(self, val):
+        self._word[0] = 0x81
+        self._word[1] = val & 0xff
+        self._command(self._word)
+
+    def update(self):
+        self._cs(0)
+        index = 0
+        for page in range(self.height // 8):
+            self._move[0] = 0xb0 | page
+            self._dc(0)
+            self._spi.write(self._move)
+            self._dc(1)
+            self._spi.write(self._buffer[index:index + self.width])
+            index += self.width
+        self._cs(1)