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fixing LED and rumble report in hidraw mode #154

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fixing LED and rumble report in hidraw mode

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PatrickHussey
PatrickHussey committed Aug 18, 2018
commit 4453e40f33bf519f05ebe72b58bd52d3e193665d
@@ -4,6 +4,7 @@

from io import FileIO
from time import sleep
import zlib

from evdev import InputDevice
from pyudev import Context, Monitor
@@ -62,9 +63,30 @@ def read_feature_report(self, report_id, size):

return fcntl.ioctl(self.fd, op, bytes(buf))

def write_report(self, report_id, data):
hid = bytearray((report_id,))
self.fd.write(hid + data)
def write_report(self, report_id, report):
"""
Send a feature report.
"""
tmp = [0]*79
tmp[:7]= [0xa2, 0x11, 0xC0, 0x00, 0xff, 0x00, 0x00]
tmp[7] = report[5] #rumble weak
tmp[8] = report[6] #rumble strong
tmp[9] = report[7] #red
tmp[10] = report[8] #green
tmp[11] = report[9] #blue
tmp[12] = report[10] # Time to flash bright (255 = 2.5 seconds)
tmp[13] = report[11] # Time to flash dim (255 = 2.5 seconds)

buf = bytearray(tmp)

crc = zlib.crc32(bytes(buf[:(len(buf)-4)])) & 0xffffffff

buf[len(buf)-4] = chr(crc & 0xFF)
buf[len(buf)-3] = chr((crc & 0xFF00) >> 8)
buf[len(buf)-2] = chr((crc & 0xFF0000)>>16)
buf[len(buf)-1] = chr((crc & 0xFF000000)>>24)

self.fd.write(buf[1:])

def close(self):
try:
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