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authorjaseg <git@jaseg.net>2018-01-05 11:53:52 +0100
committerjaseg <git@jaseg.net>2018-01-05 11:53:52 +0100
commite3094b18d4fc1b5f8e5e7ca146318e501a7a4ff9 (patch)
treee70e8d966a82d84f476b9d05b3b358678f38b42f /fw/test.py
parent31fc78d0e00f9c82f03c88367a7e23b2df918ca6 (diff)
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Firmware directory reorganization
Diffstat (limited to 'fw/test.py')
-rwxr-xr-xfw/test.py140
1 files changed, 0 insertions, 140 deletions
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')