systemd unit for CT bluetooth

scripts/brcm40183-patch.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Patch firmware for brcm40183 Bluetooth adapter
+Before=bluetooth.service
+
+[Service]
+Environment=MAC_ADDR=11:22:33:44:55:66
+Environment=PORT=/dev/ttyS1
+EnvironmentFile=/etc/default/brcm40183
+TimeoutStartSec=60
+Type=simple
+ExecStartPre=/usr/local/bin/brcm_bt_reset /dev/${PORT}
+ExecStartPre=/bin/echo -en "" > /dev/${PORT}
+ExecStartPre=/usr/local/bin/brcm_patchram_plus -d --patchram /lib/firmware/ap6210/bcm20710a1.hcd --no2bytes --tosleep 1000 --bd_addr ${MAC_ADDR} /dev/${PORT}
+ExecStart=/usr/bin/hciattach -n /dev/${PORT} any
+
+[Install]
+WantedBy=bluetooth.target