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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.
# v0.12, 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
from datetime import datetime
import argparse
import os
import re
import sys
import time
from array import array
from datetime import datetime
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
pyhidapi.hid_init()
have_pyhidapi = True
except:
have_pyhidapi = False
try:
import usb.core
except:
print("ERROR: Need the pyhidapi or usb.core module.")
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)
pass
try:
import usb.core
except:
pass
__version = "0.12"
@ -311,7 +294,7 @@ 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.
"""
"""
if ord(ch) < 32:
if ch in bitmap_builtin:
return bitmap_builtin[ch][:2]
@ -397,62 +380,143 @@ def bitmap(arg):
return bitmap_text(arg)
def expand_tuple(l):
l = l + (l[-1],) * (8 - len(l)) # repeat last element
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 = (
class LedNameBadge:
_protocol_header_template = (
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
)
_have_pyhidapi = False
ants = expand_tuple(ants)
blinks = expand_tuple(blinks)
speeds = expand_tuple(speeds)
modes = expand_tuple(modes)
speeds = [x - 1 for x in speeds]
h = list(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
@staticmethod
def init_class():
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")
if pyhidapi:
pyhidapi.hid_init()
LedNameBadge._have_pyhidapi = True
print("Pyhidapi detected")
else:
raise Exception()
except Exception as e:
try:
if usb.core:
print("Pyusb detected")
else:
raise Exception()
except:
print("ERROR: Need the pyhidapi or usb.core module.")
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)
@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):
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__':
parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
@ -519,15 +583,15 @@ if __name__ == '__main__':
else:
print("Type: 11x44")
lengths = [b[1] for b in msg_bitmaps]
speeds = split_to_ints(args.speeds)
lengths = tuple([b[1] for b in msg_bitmaps])
speeds = split_to_ints(args.speed)
modes = split_to_ints(args.mode)
blinks = split_to_ints(args.blink)
ants = split_to_ints(args.ants)
brightness = int(args.brightness)
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:
buf.extend(msg_bitmap[0])
@ -536,39 +600,4 @@ if __name__ == '__main__':
if 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])
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])
LedNameBadge.write(buf)

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