Upload tool for an led name tag with USB-HID interface
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led-name-badge-ls32/led-badge-11x44.py

266 lines
12 KiB

#! /usr/bin/python3
#
# (C) 2019 juergen@fabmail.org
#
# This is an upload tool for e.g.
# https://www.sertronics-shop.de/computer/pc-peripheriegeraete/usb-gadgets/led-name-tag-11x44-pixel-usb
# The font_11x44[] data was downloaded from such a device.
#
# Requires:
# sudo apt-get install python3-usb
#
# Optional for image support:
# sudo apt-get install python3-pil
#
# v0.1, 2019-03-05, jw initial draught. HID code is much simpler than expected.
# v0.2, 2019-03-07, jw support for loading bitmaps added.
import sys, os, re, array, time, argparse
import usb.core
__version = "0.2"
font_11x44 = (
# 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0xfc, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xfc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0xfc, 0x00,
0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x62, 0x66, 0xfe, 0x00,
0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0xf0, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc0, 0xc0, 0xce, 0xc6, 0xc6, 0x7e, 0x00,
0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x00, 0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00,
0x00, 0xe6, 0x66, 0x6c, 0x6c, 0x78, 0x6c, 0x6c, 0x66, 0xe6, 0x00,
0x00, 0xf0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00,
0x00, 0x82, 0xc6, 0xee, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0x86, 0xc6, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0xf0, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xde, 0x7c, 0x06,
0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0xe6, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00,
0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xfe, 0xee, 0xc6, 0x82, 0x00,
0x00, 0xc6, 0xc6, 0x6c, 0x7c, 0x38, 0x7c, 0x6c, 0xc6, 0xc6, 0x00,
0x00, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x00, 0xfe, 0xc6, 0x86, 0x0c, 0x18, 0x30, 0x62, 0xc6, 0xfe, 0x00,
# 'abcdefghijklmnopqrstuvwxyz'
0x00, 0x00, 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0x76, 0x00,
0x00, 0xe0, 0x60, 0x60, 0x7c, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc6, 0x7c, 0x00,
0x00, 0x1c, 0x0c, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0xc6, 0x7c, 0x00,
0x00, 0x1c, 0x36, 0x30, 0x78, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
0x00, 0x00, 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0xcc, 0x78,
0x00, 0xe0, 0x60, 0x60, 0x6c, 0x76, 0x66, 0x66, 0x66, 0xe6, 0x00,
0x00, 0x18, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x0c, 0x0c, 0x00, 0x1c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78,
0x00, 0xe0, 0x60, 0x60, 0x66, 0x6c, 0x78, 0x78, 0x6c, 0xe6, 0x00,
0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6, 0xd6, 0xd6, 0xc6, 0x00,
0x00, 0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00,
0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0,
0x00, 0x00, 0x00, 0x7c, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0x0c, 0x1e,
0x00, 0x00, 0x00, 0x00, 0xde, 0x76, 0x60, 0x60, 0x60, 0xf0, 0x00,
0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0x70, 0x1c, 0xc6, 0x7c, 0x00,
0x00, 0x10, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x34, 0x18, 0x00,
0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00,
0x00, 0x00, 0x00, 0x00, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00,
0x00, 0x00, 0x00, 0x00, 0xc6, 0x6c, 0x38, 0x38, 0x6c, 0xc6, 0x00,
0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x0c, 0xf8,
0x00, 0x00, 0x00, 0x00, 0xfe, 0x8c, 0x18, 0x30, 0x62, 0xfe, 0x00,
# '0987654321^ !"\0$%&/()=?` °\\}][{' + "@ ~ |<>,;.:-_#'+* "
0x00, 0x7c, 0xc6, 0xce, 0xde, 0xf6, 0xe6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0xc6, 0x7c, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xfe, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x00,
0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xfe, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00,
0x00, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x0c, 0x1e, 0x00,
0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0xc6, 0x7c, 0x00,
0x00, 0x7c, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00,
0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00,
0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x3c, 0x00, 0x00, 0x00, 0x00,
0x00, 0x18, 0x3c, 0x3c, 0x3c, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00,
0x66, 0x66, 0x22, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x7c, 0x04, 0x14, 0x18, 0x10, 0x10, 0x20,
0x10, 0x7c, 0xd6, 0xd6, 0x70, 0x1c, 0xd6, 0xd6, 0x7c, 0x10, 0x10,
0x00, 0x60, 0x92, 0x96, 0x6c, 0x10, 0x6c, 0xd2, 0x92, 0x0c, 0x00,
0x00, 0x38, 0x6c, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0xcc, 0x76, 0x00,
0x00, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00,
0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00,
0x00, 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00,
0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00,
0x18, 0x18, 0x10, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x7c, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x7c,
0x00, 0x10, 0x28, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x02, 0x00, 0x00,
0x00, 0x70, 0x18, 0x18, 0x18, 0x0e, 0x18, 0x18, 0x18, 0x70, 0x00,
0x00, 0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c, 0x00,
0x00, 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00,
0x00, 0x0e, 0x18, 0x18, 0x18, 0x70, 0x18, 0x18, 0x18, 0x0e, 0x00,
# "@ ~ |<>,;.:-_#'+* "
0x00, 0x00, 0x3c, 0x42, 0x9d, 0xa5, 0xad, 0xb6, 0x40, 0x3c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0x08, 0x7c, 0x08, 0x08, 0x18, 0x18, 0x28, 0x28, 0x48, 0x18,
0x00, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x00,
0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x00,
0x00, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x10, 0x20,
0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x08, 0x10,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00,
0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 0x00,
0x18, 0x18, 0x08, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
# "äöüÄÖÜß"
0x00, 0xcc, 0xcc, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0x76, 0x00,
0x00, 0xc6, 0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0xcc, 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
0xc6, 0xc6, 0x38, 0x6c, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0xc6, 0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0xc6, 0xc6, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0x3c, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0x6c, 0x60,
)
charmap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' + \
'abcdefghijklmnopqrstuvwxyz' + \
'0987654321^ !"\0$%&/()=?` °\\}][{' + \
"@ ~ |<>,;.:-_#'+* " + "äöüÄÖÜß"
char_offset = {}
for i in range(len(charmap)):
char_offset[charmap[i]] = 11 * i
def bitmap_char(ch):
""" Returns a tuple of 11 bytes,
ch = '_' returns (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255)
The bits in each byte are horizontal, highest bit is left.
"""
o = char_offset[ch]
return font_11x44[o:o+11]
def bitmap_text(text):
""" returns a tuple of (buffer, length_in_byte_columns_aka_chars)
"""
buf = array.array('B')
for c in text:
buf.extend(bitmap_char(c))
return (buf, len(text))
def bitmap_img(file):
""" returns a tuple of (buffer, length_in_byte_columns)
"""
from PIL import Image
im = Image.open(file)
print("loading bitmap from file %s -> (%d x %d)" % (file, im.width, im.height))
if im.height != 11:
sys.exit("%s: image height must be 11px. Seen %d" % (file, im.height))
buf = array.array('B')
cols = int((im.width+7)/8)
for col in range(cols):
for row in range(11):
byte_val = 0
for bit in range(8):
bit_val = 0
x = 8*col+bit
if x < im.width and sum(im.getpixel( (x, row) )) > 384:
bit_val = 1 << (7-bit)
byte_val += bit_val
buf.append(byte_val)
im.close()
return (buf, cols)
def bitmap(arg):
""" if arg is a valid and existing path name, we load it as an image.
Otherwise we take it as a string.
"""
if os.path.exists(arg):
return bitmap_img(arg)
return bitmap_text(arg)
proto_header = (
0x77, 0x61, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
)
def header(lengths, speeds, modes):
""" lengths[0] is the number of chars of the first text
"""
s = [int(x) for x in re.split(r'[\s,]+', speeds)]
s = s + [s[-1]]*(8-len(s))
m = [int(x) for x in re.split(r'[\s,]+', modes)]
m = m + [m[-1]]*(8-len(m))
h = list(proto_header)
for i in range(8):
h[8+i] = 16*s[i] + m[i]
for i in range(len(lengths)):
h[17+2*i] = lengths[i]
return h
parser = argparse.ArgumentParser(description='%s Version %s -- upload messages to a 44x11 led badge via USB HID. https://github.com/jnweiger/led-badge-44x11' % (sys.argv[0], __version))
parser.add_argument('-s', '--speed', default='4', help="Scroll speed. Up to 8 comma-seperated values (range 1..8)")
parser.add_argument('-m', '--mode', default='0', help="Up to 8 mode values: Scroll-left(0) -right(1) -up(2) -down(3); still-centered(4) -left(5); drop-down(6); curtain(7); laser(8)")
parser.add_argument('message', nargs='+', help="Up to 8 message texts or image file names")
args = parser.parse_args()
dev = usb.core.find(idVendor=0x0416, idProduct=0x5020)
if dev is None:
print("No led tag with vendorID 0x0416 and productID 0x5020 found.")
print("Connect the led tag and run this tool as root.")
sys.exit(1)
if dev.is_kernel_driver_active(0):
dev.detach_kernel_driver(0)
dev.set_configuration()
print("using [%s %s] bus=%d dev=%d" % (dev.manufacturer, dev.product, dev.bus, dev.address))
msgs = []
for arg in args.message:
msgs.append(bitmap(arg))
buf = array.array('B')
buf.extend(header(list(map(lambda x: x[1], msgs)), args.speed, args.mode))
for msg in msgs:
buf.extend(msg[0])
needpadding = len(buf)%64
if needpadding:
buf.extend( (0,) * (64-needpadding) )
# print(buf)
for i in range(int(len(buf)/64)):
time.sleep(0.1)
dev.write(1, buf[i*64:i*64+64])