[riot-devel] Port of RIOT on Samr21

Akshay Mishra akshay at dspworks.in
Wed Oct 22 17:53:20 CEST 2014


On 22 October 2014 18:38, Baptiste Clenet <bapclenet at gmail.com> wrote:

> Hi,
>
> Thank you for your answer Thomas, Akshay.
> Akshay, which part are you working on then?
>
>

I am creating support for the SAMD21-XPRO. I will start working on the SPI
which can be used by the SAMR21 as well.

-Akshay


> Thomas, I'm looking at the uart.c that you wrote. Why did you only develop
> one UART?
> After reading the datasheet, I see that the samd21 has got 5 SERCOM which
> can be used by USART, I2C, SPI and LIN slave.
> With RIOT, we can set 4 USART and 4 I2C. How do we proceed with the 5
> SERCOM?
> You chose PIN_PA04 and PIN_PA05 for UART 0. Which one should I use for
> UART 1,2,3?
> And Atmel chose to define I2C on PIN_PA16  and PIN_PA17, on which pin will
> be the following I2C?
>
> Best,
>
>
>
> --
>
> *Clenet Baptiste*
>
>
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