From 93592ee43978005a86e0d83486c7b866e2c1b61f Mon Sep 17 00:00:00 2001
From: jaseg <jaseg@jaseg.net>
Date: Wed, 18 Dec 2013 18:22:00 +0100
Subject: Moving on with the host program

---
 host/matelight/host.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 host/matelight/host.py

(limited to 'host/matelight/host.py')

diff --git a/host/matelight/host.py b/host/matelight/host.py
new file mode 100644
index 0000000..461a4fa
--- /dev/null
+++ b/host/matelight/host.py
@@ -0,0 +1,16 @@
+from pyusb import usb
+import colorsys
+import numpy as np
+
+dev = usb.core.find(idVendor=0x1cbe, idProduct=0x0003)
+
+def sendframe(framedata):
+    if not isinstance(framedata, np.array) or framedata.shape != (DISPLAY_WIDTH, DISPLAY_HEIGHT, 3) or framedata.dtype != np.int8:
+        raise ValueError('framedata must be a ({}, {}, 3)-numpy array of int8s'.format(DISPLAY_WIDTH, DISPLAY_HEIGHT))
+
+    for cx, cy in itertools.product(range(16), range(2)):
+        cratedata = framedata[cx*CRATE_WIDTH:(cx+1)*CRATE_WIDTH, cy*CRATE_HEIGHT:(cy+1)*CRATE_HEIGHT]
+        # Send framebuffer data
+        dev.write(0x01, bytes([0, x, y])+bytes(list(cratedata.flatten())))
+    # Send latch command
+    dev.write(0x01, b'\x01')
-- 
cgit