You did not say which board you are using.

On my MELE, they are not connected.

R


On Wednesday, January 29, 2014 5:39:51 PM UTC-6, almonito wrote:
>
> Im Trying to use Uart 6 and Uart7 on PI Ports 
>
> I see a valid ttl signal on the Input pin of the Uarts Read Pin but I can 
> not read anything in linux 
> On uart7 I can send out data 
> On uart 6 I can neither send nor receive data (measured the ttl signals 
> with scope, no data showing up on writ, valid ttl signal on read) 
>
> My UART Settings are: 
>
> [uart_para0] 
> uart_used = 1 
> uart_port = 0 
> uart_type = 2 
> uart_tx = port:PB22<2><1><default><default> 
> uart_rx = port:PB23<2><1><default><default> 
>
> [uart_para1] 
> uart_used = 0 
> uart_port = 1 
> uart_type = 8 
> uart_tx = port:PA10<4><1><default><default> 
> uart_rx = port:PA11<4><1><default><default> 
> uart_rts = port:PA12<4><1><default><default> 
> uart_cts = port:PA13<4><1><default><default> 
> uart_dtr = port:PA14<4><1><default><default> 
> uart_dsr = port:PA15<4><1><default><default> 
> uart_dcd = port:PA16<4><1><default><default> 
> uart_ring = port:PA17<4><1><default><default> 
>
> [uart_para2] 
> uart_used = 1 
> uart_port = 2 
> uart_type = 4 
> uart_tx = port:PI18<3><1><default><default> 
> uart_rx = port:PI19<3><1><default><default> 
> uart_rts = port:PI16<3><1><default><default> 
> uart_cts = port:PI17<3><1><default><default> 
>
> [uart_para3] 
> uart_used = 0 
> uart_port = 3 
> uart_type = 4 
> uart_tx = port:PH00<4><1><default><default> 
> uart_rx = port:PH01<4><1><default><default> 
> uart_rts = port:PH02<4><1><default><default> 
> uart_cts = port:PH03<4><1><default><default> 
>
> [uart_para4] 
> uart_used = 0 
> uart_port = 4 
> uart_type = 2 
> uart_tx = port:PH04<4><1><default><default> 
> uart_rx = port:PH05<4><1><default><default> 
>
> [uart_para5] 
> uart_used = 0 
> uart_port = 5 
> uart_type = 2 
> uart_tx = port:PH06<4><1><default><default> 
> uart_rx = port:PH07<4><1><default><default> 
>
> [uart_para6] 
> uart_used = 1 
> uart_port = 6 
> uart_type = 2 
> uart_tx = port:PI12<3><1><default><default> 
> uart_rx = port:PI13<3><1><default><default> 
>   
> [uart_para7] 
> uart_used = 1 
> uart_port = 7 
> uart_type = 2 
> uart_tx = port:PI20<3><1><default><default> 
> uart_rx = port:PI21<3><1><default><default> 
>
>
> I verifies the Mux setting for the pins quite a few times (its function 
> 3), also I verified that the PA pins are configured as network and the PI 
> pins are not used anywhere else 
>
>
> Can someone verify that UART 6 and UART 7 is working on A10 and thee 
> Pin/settings are correct? 
>
> Regards 
>
>

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