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led-name-badge-ls32
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Rearranging code: new class LedNameBadge for the methods header() and write() (and the USB decision and initialization code), which are the ones, that other content creation sw might want to use.

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rebase020124
Ben 12 months ago
parent 6b06508ef9
commit d79a15f119
1 changed files with 143 additions and 114 deletions
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  1. 257
      led-badge-11x44.py

257
led-badge-11x44.py
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@ -49,39 +49,22 @@
# v0.11, 2019-09-29, jw New option --brightness added. # v0.11, 2019-09-29, jw New option --brightness added.
# v0.12, 2019-12-27, jw hint at pip3 -- as discussed in https://github.com/jnweiger/led-name-badge-ls32/issues/19 # v0.12, 2019-12-27, jw hint at pip3 -- as discussed in https://github.com/jnweiger/led-name-badge-ls32/issues/19
import sys, os, re, time, argparse import argparse
from datetime import datetime import os
import re
import sys
import time
from array import array from array import array
from datetime import datetime
try: try:
if sys.version_info[0] < 3: raise Exception(
"prefer usb.core with python-2.x because of https://github.com/jnweiger/led-badge-ls32/issues/9")
import pyhidapi import pyhidapi
pyhidapi.hid_init()
have_pyhidapi = True
except: except:
have_pyhidapi = False pass
try: try:
import usb.core import usb.core
except: except:
print("ERROR: Need the pyhidapi or usb.core module.") pass
if sys.platform == "darwin":
print("""Please try
pip3 install pyhidapi
pip install pyhidapi
brew install hidapi""")
elif sys.platform == "linux":
print("""Please try
sudo pip3 install pyhidapi
sudo pip install pyhidapi
sudo apt-get install libhidapi-hidraw0
sudo ln -s /usr/lib/x86_64-linux-gnu/libhidapi-hidraw.so.0 /usr/local/lib/
or
sudo apt-get install python3-usb""")
else: # windows?
print("""Please with Linux or MacOS or help us implement support for """ + sys.platform)
sys.exit(1)
__version = "0.12" __version = "0.12"
@ -311,7 +294,7 @@ def bitmap_char(ch):
""" Returns a tuple of 11 bytes, """ Returns a tuple of 11 bytes,
ch = '_' returns (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255) ch = '_' returns (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255)
The bits in each byte are horizontal, highest bit is left. The bits in each byte are horizontal, highest bit is left.
""" """
if ord(ch) < 32: if ord(ch) < 32:
if ch in bitmap_builtin: if ch in bitmap_builtin:
return bitmap_builtin[ch][:2] return bitmap_builtin[ch][:2]
@ -397,62 +380,143 @@ def bitmap(arg):
return bitmap_text(arg) return bitmap_text(arg)
def expand_tuple(l): class LedNameBadge:
l = l + (l[-1],) * (8 - len(l)) # repeat last element _protocol_header_template = (
return l
def header(lengths, speeds, modes, blinks, ants, brightness=100, date=datetime.now()):
""" lengths[0] is the number of chars of the first text
Speeds come in as 1..8, but are needed 0..7 here.
"""
protocol_header_template = (
0x77, 0x61, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 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, 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
) )
_have_pyhidapi = False
ants = expand_tuple(ants) @staticmethod
blinks = expand_tuple(blinks) def init_class():
speeds = expand_tuple(speeds) try:
modes = expand_tuple(modes) if sys.version_info[0] < 3:
raise Exception("prefer usb.core with python-2.x because of https://github.com/jnweiger/led-badge-ls32/issues/9")
speeds = [x - 1 for x in speeds] if pyhidapi:
pyhidapi.hid_init()
h = list(protocol_header_template) LedNameBadge._have_pyhidapi = True
print("Pyhidapi detected")
if brightness <= 25: else:
h[5] = 0x40 raise Exception()
elif brightness <= 50: except Exception as e:
h[5] = 0x20 try:
elif brightness <= 75: if usb.core:
h[5] = 0x10 print("Pyusb detected")
else:
for i in range(8): raise Exception()
h[6] += blinks[i] << i except:
h[7] += ants[i] << i print("ERROR: Need the pyhidapi or usb.core module.")
if sys.platform == "darwin":
for i in range(8): print("""Please try
h[8 + i] = 16 * speeds[i] + modes[i] pip3 install pyhidapi
pip install pyhidapi
for i in range(len(lengths)): brew install hidapi
h[17 + (2 * i) - 1] = lengths[i] // 256 """)
h[17 + (2 * i)] = lengths[i] % 256 elif sys.platform == "linux":
print("""Please try
h[38 + 0] = date.year % 100 sudo pip3 install pyhidapi
h[38 + 1] = date.month sudo pip install pyhidapi
h[38 + 2] = date.day sudo apt-get install libhidapi-hidraw0
h[38 + 3] = date.hour sudo ln -s /usr/lib/x86_64-linux-gnu/libhidapi-hidraw.so.0 /usr/local/lib/
h[38 + 4] = date.minute or
h[38 + 5] = date.second sudo apt-get install python3-usb
""")
else: # windows?
print("""Please with Linux or MacOS or help us implement support for """ + sys.platform)
sys.exit(1)
@staticmethod
def _expand_tuple(l):
l = l + (l[-1],) * (8 - len(l)) # repeat last element
return l
@staticmethod
def header(lengths, speeds, modes, blinks, ants, brightness=100, date=datetime.now()):
""" lengths[0] is the number of chars of the first text
Speeds come in as 1..8, but are needed 0..7 here.
"""
ants = LedNameBadge._expand_tuple(ants)
blinks = LedNameBadge._expand_tuple(blinks)
speeds = LedNameBadge._expand_tuple(speeds)
modes = LedNameBadge._expand_tuple(modes)
speeds = [x - 1 for x in speeds]
h = list(LedNameBadge._protocol_header_template)
if brightness <= 25:
h[5] = 0x40
elif brightness <= 50:
h[5] = 0x20
elif brightness <= 75:
h[5] = 0x10
for i in range(8):
h[6] += blinks[i] << i
h[7] += ants[i] << i
for i in range(8):
h[8 + i] = 16 * speeds[i] + modes[i]
for i in range(len(lengths)):
h[17 + (2 * i) - 1] = lengths[i] // 256
h[17 + (2 * i)] = lengths[i] % 256
h[38 + 0] = date.year % 100
h[38 + 1] = date.month
h[38 + 2] = date.day
h[38 + 3] = date.hour
h[38 + 4] = date.minute
h[38 + 5] = date.second
return h
@staticmethod
def write(buf):
if len(buf) > 8192:
print("Writing more than 8192 bytes damages the display!")
sys.exit(1)
return h if LedNameBadge._have_pyhidapi:
dev_info = pyhidapi.hid_enumerate(0x0416, 0x5020)
# dev = pyhidapi.hid_open(0x0416, 0x5020)
if dev_info:
dev = pyhidapi.hid_open_path(dev_info[0].path)
print("using [%s %s] int=%d page=%s via pyHIDAPI" % (
dev_info[0].manufacturer_string, dev_info[0].product_string, dev_info[0].interface_number, dev_info[0].usage_page))
else:
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)
pyhidapi.hid_write(dev, buf)
pyhidapi.hid_close(dev)
else:
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)
try:
# win32: NotImplementedError: is_kernel_driver_active
if dev.is_kernel_driver_active(0):
dev.detach_kernel_driver(0)
except:
pass
dev.set_configuration()
print("using [%s %s] bus=%d dev=%d" % (dev.manufacturer, dev.product, dev.bus, dev.address))
for i in range(int(len(buf) / 64)):
time.sleep(0.1)
dev.write(1, buf[i * 64:i * 64 + 64])
LedNameBadge.init_class()
def split_to_ints(list_str): def split_to_ints(list_str):
return [int(x) for x in re.split(r'[\s,]+', list_str)] return tuple([int(x) for x in re.split(r'[\s,]+', list_str)])
if __name__ == '__main__': if __name__ == '__main__':
parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
@ -519,15 +583,15 @@ if __name__ == '__main__':
else: else:
print("Type: 11x44") print("Type: 11x44")
lengths = [b[1] for b in msg_bitmaps] lengths = tuple([b[1] for b in msg_bitmaps])
speeds = split_to_ints(args.speeds) speeds = split_to_ints(args.speed)
modes = split_to_ints(args.mode) modes = split_to_ints(args.mode)
blinks = split_to_ints(args.blink) blinks = split_to_ints(args.blink)
ants = split_to_ints(args.ants) ants = split_to_ints(args.ants)
brightness = int(args.brightness) brightness = int(args.brightness)
buf = array('B') buf = array('B')
buf.extend(header(lengths, speeds, modes, blinks, ants, brightness)) buf.extend(LedNameBadge.header(lengths, speeds, modes, blinks, ants, brightness))
for msg_bitmap in msg_bitmaps: for msg_bitmap in msg_bitmaps:
buf.extend(msg_bitmap[0]) buf.extend(msg_bitmap[0])
@ -536,39 +600,4 @@ if __name__ == '__main__':
if need_padding: if need_padding:
buf.extend((0,) * (64 - need_padding)) buf.extend((0,) * (64 - need_padding))
# print(buf) # array('B', [119, 97, 110, 103, 0, 0, 0, 0, 48, 48, 48, 48, 48, 48, 48, 48, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 60, 126, 255, 255, 255, 255, 126, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) LedNameBadge.write(buf)
if len(buf) > 8192:
print("Writing more than 8192 bytes damages the display!")
sys.exit(1)
if have_pyhidapi:
devinfo = pyhidapi.hid_enumerate(0x0416, 0x5020)
# dev = pyhidapi.hid_open(0x0416, 0x5020)
if devinfo:
dev = pyhidapi.hid_open_path(devinfo[0].path)
print("using [%s %s] int=%d page=%s via pyHIDAPI" % (
devinfo[0].manufacturer_string, devinfo[0].product_string, devinfo[0].interface_number, devinfo[0].usage_page))
else:
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)
pyhidapi.hid_write(dev, buf)
pyhidapi.hid_close(dev)
else:
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)
try:
# win32: NotImplementedError: is_kernel_driver_active
if dev.is_kernel_driver_active(0):
dev.detach_kernel_driver(0)
except:
pass
dev.set_configuration()
print("using [%s %s] bus=%d dev=%d" % (dev.manufacturer, dev.product, dev.bus, dev.address))
for i in range(int(len(buf) / 64)):
time.sleep(0.1)
dev.write(1, buf[i * 64:i * 64 + 64])

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