From e3094b18d4fc1b5f8e5e7ca146318e501a7a4ff9 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Fri, 5 Jan 2018 11:53:52 +0100
Subject: Firmware directory reorganization

---
 fw/test.py | 140 -------------------------------------------------------------
 1 file changed, 140 deletions(-)
 delete mode 100755 fw/test.py

(limited to 'fw/test.py')

diff --git a/fw/test.py b/fw/test.py
deleted file mode 100755
index 63cb324..0000000
--- a/fw/test.py
+++ /dev/null
@@ -1,140 +0,0 @@
-#!/usr/bin/env python3
-import serial
-import struct
-from itertools import takewhile
-
-def chunked(data, chunk_size):
-    for i in range(0, len(data), chunk_size):
-        yield data[i:i+chunk_size]
-
-def frame_packet(data):
-    if len(data) > 254:
-        raise ValueError('Input too long')
-    out = b''
-    for run in data.split(b'\0'):
-        out += bytes([len(run)+1])
-        out += run
-    out += b'\0'
-    return out
-
-def format_packet(data):
-    out = b''
-    for a, b, c, d, e, f, g, h in chunked(data, 8):
-        ah, bh, ch, dh = a>>8,   b>>8,   c>>8,   d>>8
-        eh, fh, gh, hh = e>>8,   f>>8,   g>>8,   h>>8
-        al, bl, cl, dl = a&0xff, b&0xff, c&0xff, d&0xff
-        el, fl, gl, hl = e&0xff, f&0xff, g&0xff, h&0xff
-        # FIXME check order of high bits
-        out += bytes([al, bl, cl, dl, el, fl, gl, hl,
-            (ah<<6 | bh<<4 | ch<<2 | dh<<0)&0xff,
-            (eh<<6 | fh<<4 | gh<<2 | hh<<0)&0xff])
-    out += bytes([1, 0, 0, 0]) # global intensity
-    return out
-
-def chariter(ser):
-    while True:
-        yield ser.read(1)
-
-def read_frame(ser):
-    return b''.join(takewhile(lambda c: c and c[0], chariter(ser)))
-
-def unstuff(data):
-    out = b''
-    while data:
-        stuff = data[0]
-        if out:
-            out += b'\0'
-        out += data[1:stuff]
-        data = data[stuff:]
-    return out
-
-def receive_frame(ser):
-    return unstuff(read_frame(ser))
-
-def mac_frame(mac):
-    return frame_packet(struct.pack('<I', mac))
-
-def send_framebuffer(ser, mac, frame):
-    formatted = format_packet(frame)
-    framed = mac_frame(mac) + frame_packet(formatted[:162]) + frame_packet(formatted[162:])
-    ser.write(framed)
-
-def discover_macs(ser, count=20):
-    found_macs = []
-    while True:
-        ser.flushInput()
-        ser.write(b'\0')
-        frame = receive_frame(ser)
-        if len(frame) == 4:
-            mac, = struct.unpack('<I', frame)
-            if mac not in found_macs:
-                print('Discovered new MAC: {:2} {:08x}'.format(len(found_macs), mac))
-                found_macs.append(mac)
-                if len(found_macs) == count:
-                    return found_macs
-        elif len(frame) != 0:
-            print('Invalid frame of length {}:'.format(len(frame)), frame)
-        time.sleep(0.05)
-
-def parse_status_frame(frame):
-    print('frame len:', len(frame))
-    if not frame:
-        return None
-    (   firmware_version, 
-        hardware_version, 
-        digit_rows, 
-        digit_cols, 
-        uptime_s, 
-        framerate_millifps, 
-        uart_overruns, 
-        frame_overruns, 
-        invalid_frames, 
-        vcc_mv, 
-        temp_celsius, 
-        nbits ) = struct.unpack('<4B5IhhB', frame)
-    del frame
-    return locals()
-
-def fetch_status(ser, mac):
-    ser.flushInput()
-    ser.write(mac_frame(mac))
-    ser.write(frame_packet(b'\x01'))
-    return parse_status_frame(receive_frame(ser))
-
-if __name__ == '__main__':
-    import argparse
-    import time
-    from binascii import hexlify
-    
-    parser = argparse.ArgumentParser()
-    parser.add_argument('serial')
-    args = parser.parse_args()
-
-    ser = serial.Serial(args.serial, 2000000, timeout=0.05)
-
-    frame_len = 4*8*8
-    black, red = [0]*frame_len, [255]*frame_len
-    frames = \
-            [black]
-            #[[0]*i + [255]*(256-i) for i in range(257)]
-            #[[(i + d)%256 for d in range(frame_len)] for i in range(256)]
-            #[black]*10 +\
-            #[red]*10 +\
-            #[[i]*frame_len for i in range(256)] +\
-            #[[(i + (d//8)*8) % 256*8 for d in range(frame_len)] for i in range(256)]
-
-    #frames = [red, black]*5
-    #frames = [ x for l in [[([0]*i+[255]+[0]*(7-i))*32]*2 for i in range(8)] for x in l ]
-    found_macs = [0xdeadbeef] #discover_macs(ser, 1)
-    mac, = found_macs
-
-    import pprint
-    while True:
-        try:
-            pprint.pprint(fetch_status(ser, mac))
-        except e:
-            print(e)
-        for i, frame in enumerate(frames):
-            send_framebuffer(ser, mac, frame)
-            time.sleep(0.1)
-        # to produce framing errors: ser.write(b'\02a\0')
-- 
cgit