Dobrica Pavlinušić's random unstructured stuff
Lamobo R1: Revision 21
{image: GPIO 2.png}

Lamobo/BananaPi R1

http://linux-sunxi.org/Lamobo_R1

{toc: }

^ switch connects all ports on boot

https://github.com/armbian/build/issues/511#issuecomment-258647387

^^ DSA config on armbian for r1

* https://github.com/armbian/build/issues/511

^ uart

Connect your UART adapter here:

UART0-RX: J13-P01
UART0-TX: J13-P02
GND: J12-P08

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GND TX RX
J12 o o o o o o
{SD slot} o o o o

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^ switch

https://www.mail-archive.com/netdev@vger.kernel.org/msg150526.html

^^ port mirroring

https://www.mail-archive.com/netdev@vger.kernel.org/msg150526.html

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# ingress
tc qdisc add dev eth1 handle ffff: ingress
tc filter add dev eth1 parent ffff: \
matchall skip_sw \
action mirred egress mirror \
dev eth2
# egress
tc qdisc add dev eth1 handle 1: root prio
tc filter add dev eth1 parent 1: \
matchall skip_sw \
action mirred egress mirror \
dev eth2
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^ usb otg

http://git.rot13.org/?p=usb-otg;a=summary

^ usbproxy

make sure that there are no other usb modules loaded (libcomposite or g_*)

^^ mitm usb otg machine

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dpavlin@r1:~/USBProxy$ git remote -v
origin https://github.com/dominicgs/USBProxy (fetch)
origin https://github.com/dominicgs/USBProxy (push)

dpavlin@r1:~/USBProxy/src/build$ sudo usb-mitm -l -v 058f -p 6387 -P PacketFilter_MassStorage
Loading plugins from /usr/local/lib/USBProxy/
vendorId=058f
productId=6387
cleaning up /tmp
removing 1
Made directory /tmp/gadget-SOOBVj for gadget
UnblockPassword=
Printing Config data
Strings: 4
DeviceProxy: DeviceProxy_LibUSB
HostProxy: HostProxy_GadgetFS
productId: 6387
vendorId: 058f
Vectors: 1
Plugins:
PacketFilter_StreamLog
PacketFilter_MassStorage
Pointer: 1
PacketFilter_StreamLog::file: 0xb6d779f0
Device: 12 01 00 02 00 00 00 40 8f 05 87 63 00 01 01 02 03 01
Manufacturer: JetFlash
Product: Mass Storage Device
Serial: GUYOBHDU
*Config(1): 09 02 20 00 01 01 00 80 32
Interface(0):
*Alt(0): 09 04 00 00 02 08 06 50 00
EP(01): 07 05 01 02 00 02 00
EP(82): 07 05 82 02 00 02 00
HS Qualifier: 0a 06 00 02 00 00 00 40 01 00
Config(1): 09 07 20 00 01 01 00 80 32
Interface(0):
*Alt(0): 09 04 00 00 02 08 06 50 00
EP(01): 07 05 01 02 40 00 00
EP(82): 07 05 82 02 40 00 00
searching in [/tmp/gadget-SOOBVj]
Starting injector thread (14796) for [Injector].
Injector In FD[1/1]: 3
Starting setup writer thread (14799) for EP00.
Starting setup reader thread (14797) for EP00.
[80 06 00 03 00 00 ff 00]
[80 06 00 03 00 00 04 00]: 04 03 09 04
[80 06 02 03 09 04 ff 00]
[80 06 02 03 09 04 28 00]:
28 03 4d 00 61 00 73 00 73 00 20 00 53 00 74 00 6f 00 72 00 61 00 67 00 65 00 20 00 44 00 65 00
76 00 69 00 63 00 65 00
[80 06 01 03 09 04 ff 00]
[80 06 01 03 09 04 12 00]: 12 03 4a 00 65 00 74 00 46 00 6c 00 61 00 73 00 68 00
[80 06 03 03 09 04 ff 00]
[80 06 03 03 09 04 12 00]: 12 03 47 00 55 00 59 00 4f 00 42 00 48 00 44 00 55 00
[00 09 01 00 00 00 00 00]
Opened EP01
Opened EP82
Starting writer thread (14802) for EP01.
Starting reader thread (14803) for EP82.
Starting writer thread (14804) for EP82.
Starting reader thread (14801) for EP01.
[a1 fe 00 00 00 00 01 00]
[a1 fe 00 00 00 00 00 00]
01[31]: 55 53 42 43 01 00 00 00 24 00 00 00 80 00 06 12 00 00 00 24 00 00 00 00 00 00 00 00 00 00 00
CBW: (12), tag: 01 00 00 00

[80 06 03 03 09 04 ff 00]
[80 06 03 03 09 04 12 00]: 12 03 47 00 55 00 59 00 4f 00 42 00 48 00 44 00 55 00
[00 09 01 00 00 00 00 00]

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^^ original target device

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dpavlin@nuc:~$ journalctl -t kernel -f
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: new high-speed USB device number 45 using xhci_hcd
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: New USB device found, idVendor=058f, idProduct=6387
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: Product: Mass Storage Device
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: Manufacturer: JetFlash
Sep 01 11:10:04 nuc kernel: usb 2-4.4.2: SerialNumber: GUYOBHDU
Sep 01 11:10:04 nuc kernel: usb-storage 2-4.4.2:1.0: USB Mass Storage device detected
Sep 01 11:10:04 nuc kernel: scsi host5: usb-storage 2-4.4.2:1.0

# BUT!

dpavlin@nuc:~$ sudo fdisk -l /dev/sdb
fdisk: cannot open /dev/sdb: No medium found

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^ WiringPi

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dpavlin@r1:~/BPI-WiringPi2$ git remote -v
lanefu https://github.com/lanefu/WiringOtherPi (fetch)
lanefu https://github.com/lanefu/WiringOtherPi (push)
origin https://github.com/BPI-SINOVOIP/BPI-WiringPi2 (fetch)
origin https://github.com/BPI-SINOVOIP/BPI-WiringPi2 (push)

dpavlin@r1:~/BPI-WiringPi2$ gpio readall
+-----+-----+----------+------+---+-Orange Pi+---+---+------+---------+-----+--+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| | | 3.3v | | | 1 || 2 | | | 5v | | |
| 12 | 8 | SDA.0 | IN | 0 | 3 || 4 | | | 5V | | |
| 11 | 9 | SCL.0 | IN | 0 | 5 || 6 | | | 0v | | |
| 6 | 7 | GPIO.7 | IN | 0 | 7 || 8 | 0 | IN | TxD3 | 15 | 13 |
| | | 0v | | | 9 || 10 | 0 | IN | RxD3 | 16 | 14 |
| 1 | 0 | RxD2 | IN | 0 | 11 || 12 | 0 | IN | GPIO.1 | 1 | 110 |
| 0 | 2 | TxD2 | IN | 0 | 13 || 14 | | | 0v | | |
| 3 | 3 | CTS2 | IN | 0 | 15 || 16 | 0 | IN | GPIO.4 | 4 | 68 |
| | | 3.3v | | | 17 || 18 | 0 | IN | GPIO.5 | 5 | 71 |
| 64 | 12 | MOSI | IN | 0 | 19 || 20 | | | 0v | | |
| 65 | 13 | MISO | IN | 0 | 21 || 22 | 0 | IN | RTS2 | 6 | 2 |
| 66 | 14 | SCLK | IN | 0 | 23 || 24 | 0 | IN | CE0 | 10 | 67 |
| | | 0v | | | 25 || 26 | 0 | IN | GPIO.11 | 11 | 21 |
| 19 | 30 | SDA.1 | IN | 0 | 27 || 28 | 0 | IN | SCL.1 | 31 | 18 |
| 7 | 21 | GPIO.21 | IN | 0 | 29 || 30 | | | 0v | | |
| 8 | 22 | GPIO.22 | IN | 0 | 31 || 32 | 0 | IN | RTS1 | 26 | 200 |
| 9 | 23 | GPIO.23 | IN | 0 | 33 || 34 | | | 0v | | |
| 10 | 24 | GPIO.24 | IN | 0 | 35 || 36 | 0 | IN | CTS1 | 27 | 201 |
| 20 | 25 | GPIO.25 | IN | 0 | 37 || 38 | 0 | IN | TxD1 | 28 | 198 |
| | | 0v | | | 39 || 40 | 0 | IN | RxD1 | 29 | 199 |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+-Orange Pi+---+------+----------+-----+-----+


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^ TMP75

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root@r1:/etc/telegraf# i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- 49 -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

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^^ userland

* https://github.com/ManuelSchneid3r/RaspberryPi/blob/master/sensors/src/tmp.c

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dpavlin@r1:~$ cc tmp.c -o tmp -lm
dpavlin@r1:~$ sudo ./tmp /dev/i2c-1 0x49
21.5

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^^ kernel hwmomn lm75 driver

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root@r1:~# echo lm75 0x49 > /sys/bus/i2c/devices/i2c-1/new_device

root@r1:~# dmesg | tail -2
[68352.599623] lm75 1-0049: hwmon1: sensor 'lm75'
[68352.599719] i2c i2c-1: new_device: Instantiated device lm75 at 0x49

root@r1:/sys/bus/i2c/devices/i2c-1# sensors
sun4i_ts-isa-0000
Adapter: ISA adapter
SoC temperature: +44.4°C

lm75-i2c-1-49
Adapter: mv64xxx_i2c adapter
temp1: +22.0°C (high = +80.0°C, hyst = +75.0°C)
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