I've made a DT overlay to use them, but trying to sending something to
ttyO0, the output was still going to the 6 pin debug header.
Can you help me with this issue?
Em quarta-feira, 18 de dezembro de 2013 12h05min00s UTC-2, Gerald escreveu:
>
> You can use them.
>
> Gerald
>
>
>
> On Wed, Dec 18, 2013 at 4:09 AM, Renato Riolino
> <renato.n...@gmail.com<javascript:>
> > wrote:
>
>> Looking at the Reference Manual (Rev A5.6), on table 12, pins 17 and 18
>> on P9 are used by I2C1_SCL and I2C1_SDA and then on table 17, it says that
>> P9 17 and 18 are used by EEPROM.
>>
>> Is that the reason I can't use them?
>>
>> Is there another way to use all UARTs on P8 and P9?
>>
>> Thanks
>>
>> Em segunda-feira, 16 de dezembro de 2013 14h05min52s UTC-2, Renato
>> Riolino escreveu:
>>
>>> Hi,
>>>
>>> I have an application that needs 5 UARTs to work. We are building a cape
>>> board to plug on P8 and P9 to expose all 6 uarts from the CPU.
>>>
>>> I've made a DT file for all uarts. All are working now except for UART0
>>> that is still only accessable via the 6 pin ttl debug pins.
>>>
>>> Specific for UART0, the PIN settings on my DT file is:
>>>
>>> fragment@0 {
>>> target = <&am33xx_pinmux>;
>>> __overlay__ {
>>> bb_uart0_pins: pinmux_bb_uart0_pins {
>>> pinctrl-single,pins = <
>>> 0x15C 0x04 /* P9.17
>>> uart0_txd.uart0_txd OUTPUT */
>>> 0x158 0x24 /* P9.18
>>> uart0_rxd.uart0_rxd INPUT */
>>> >;
>>> };
>>> };
>>> };
>>>
>>> But still only on debug header I can get a signal. Any ideas of what I
>>> am doing wrong?
>>>
>>> Thanks.
>>>
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>
>
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