Orange pi one to debug orange pi 2g iot

Hi,

i try to use my orange pi one armbian to do uart debug on orange pi 2g iot

I use uart3 on orange pi one and my configuration 

[uart0]
uart_used = 0
uart_port = 0
uart_type = 2
uart_tx = port:PA04<2><1><default><default>
uart_rx = port:PA05<2><1><default><default>

[uart1]
uart_used = 0
uart_port = 1
uart_type = 4
uart_tx = port:PG06<2><1><default><default>
uart_rx = port:PG07<2><1><default><default>
uart_rts = port:PG08<2><1><default><default>
uart_cts = port:PG09<2><1><default><default>

[uart2]
uart_used = 0
uart_port = 2
uart_type = 4
uart_tx = port:PA00<2><1><default><default>
uart_rx = port:PA01<2><1><default><default>
uart_rts = port:PA02<2><1><default><default>
uart_cts = port:PA03<2><1><default><default>

[uart3]
uart_used = 1
uart_port = 3
uart_type = 2
uart_tx = port:PA13<2><1><default><default>
uart_rx = port:PA14<2><1><default><default>
;uart_rts = port:PA15<3><1><default><default>
;uart_cts = port:PA16<3><1><default><default>

I've connect tx PA13 on pi one to rx 2g iot and rx PA14 pi one to tx 2g iot

(when i connect ground, either pi one or 2g iot cannot boot)

I'm using putty (also try using picocom, kermit) on pi one 

Serial /dev/ttyS3

baud 921600

also try 115200

The display on putty when 2g iot start cannot understand

am i missing something?

Edited October 5, 20179 yr by perimas