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Enable controls when connected via bluetooth #169

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Enable controls when connected via bluetooth #169

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22 changes: 17 additions & 5 deletions ds4drv/device.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
from binascii import crc32
from struct import Struct
from sys import version_info as sys_version

Expand Down Expand Up @@ -118,17 +119,21 @@ def control(self, big_rumble=0, small_rumble=0,
led_red=0, led_green=0, led_blue=0,
flash_led1=0, flash_led2=0):
if self.type == "bluetooth":
pkt = bytearray(77)
pkt[0] = 128
pkt[2] = 255
offset = 2
pkt = bytearray(79)
pkt[:5] = [0xa2, 0x11, 0x80, 0x00, 0xff]
offset = 4
report_id = 0x11
send_from = 2

elif self.type == "usb":
pkt = bytearray(31)
pkt[0] = 255
offset = 0
report_id = 0x05
send_from = 0

else:
raise ValueError("Type is neither bluetooth nor usb")

# Rumble
pkt[offset+3] = min(small_rumble, 255)
Expand All @@ -145,7 +150,14 @@ def control(self, big_rumble=0, small_rumble=0,
# Time to flash dark (255 = 2.5 seconds)
pkt[offset+9] = min(flash_led2, 255)

self.write_report(report_id, pkt)
# Last 4 bytes are CRC32
crc = crc32(pkt[:-4])
pkt[-4] = (crc & 0x000000ff)
pkt[-3] = (crc & 0x0000ff00) >> 8
pkt[-2] = (crc & 0x00ff0000) >> 16
pkt[-1] = (crc & 0xff000000) >> 24

self.write_report(report_id, pkt[send_from:])

def parse_report(self, buf):
"""Parse a buffer containing a HID report."""
Expand Down