mirror of
https://github.com/commaai/agnos-builder.git
synced 2026-09-10 02:13:41 +08:00
Shane Smiskol
28 lines
764 B
Bash
Executable File
28 lines
764 B
Bash
Executable File
#!/bin/bash
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# Initialize WCN3990 Bluetooth adapter on comma four
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set -e
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# Kill any stale hciattach
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killall hciattach 2>/dev/null || true
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sleep 1
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# Power cycle BT chip via btpower ioctl (off then on)
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python3 -c "import fcntl,os; fd=os.open('/dev/btpower',os.O_RDWR); fcntl.ioctl(fd,0xbfad,0); os.close(fd)" 2>/dev/null || true
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sleep 2
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python3 -c "import fcntl,os; fd=os.open('/dev/btpower',os.O_RDWR); fcntl.ioctl(fd,0xbfad,1); os.close(fd)"
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sleep 3
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# Unblock bluetooth
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rfkill unblock bluetooth
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sleep 1
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# Attach UART — forks a daemon child that maintains hci0
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hciattach -s 115200 /dev/ttyHS1 qualcomm 115200 flow
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# Wait for hci0 to appear (hciattach daemon initializes async)
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for i in $(seq 1 10); do
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hciconfig hci0 up 2>/dev/null && break
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sleep 1
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done
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