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From: "Alexander Shiyan" <shc_work@mail.ru>
To: "Jean-Christophe PLAGNIOL-VILLARD" <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/2] introduce spi command
Date: Fri, 02 Nov 2012 20:26:00 +0400	[thread overview]
Message-ID: <1351873560.417163578@f213.mail.ru> (raw)
In-Reply-To: <1351873060-27968-2-git-send-email-plagnioj@jcrosoft.com>

Fri,  2 Nov 2012 17:17:40 +0100 от Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>:
> usefull to debug spi
> 
> The command allow to read/write on a spi device
> 
> Usage: spi [OPTION] [data to write 0xXX]
> write/read spi device.
>   -b <bus_num>  spi bus number (default = 0)
>   -r <count>    to read
>   -c <cs>       chip select (default = 0)
>   -m <mode>     spi mode (default = 0)
>   -f <hz>       max_speed_hz (default = 1MHz)
>   -w <bit>      bits_per_word (default = 8)
>   -v            verbose
...
> +static int do_spi(int argc, char *argv[])
> +{
> +	struct spi_device spi;
> +	int bus = 0;
> +	int read = 0;
> +	int verbose = 0;
> +	int opt, count, i, ret;
> +
> +	u8 *tx_buf, *rx_buf;
> +
> +	memset(&spi, 0, sizeof(struct spi_device));
> +
> +	spi.max_speed_hz = 1 * 1000 * 1000;
> +	spi.bits_per_word = 8;

I suggest using the default data from master for these parameters.

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  reply	other threads:[~2012-11-02 16:26 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-02 16:06 [PATCH 0/2] add " Jean-Christophe PLAGNIOL-VILLARD
2012-11-02 16:17 ` [PATCH 1/2] spi: introduce spi_get_master Jean-Christophe PLAGNIOL-VILLARD
2012-11-02 16:17   ` [PATCH 2/2] introduce spi command Jean-Christophe PLAGNIOL-VILLARD
2012-11-02 16:26     ` Alexander Shiyan [this message]
2012-11-02 16:45       ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-03 21:39     ` Sascha Hauer
2012-11-02 19:01 ` [PATCH 0/2] add " Sascha Hauer
2012-11-03  7:36   ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-04  8:54 [PATCH 0/2 v2] " Jean-Christophe PLAGNIOL-VILLARD
2012-11-04  8:59 ` [PATCH 1/2] spi: introduce spi_get_master Jean-Christophe PLAGNIOL-VILLARD
2012-11-04  8:59   ` [PATCH 2/2] introduce spi command Jean-Christophe PLAGNIOL-VILLARD
2012-11-05  9:29 [PATCH 0/2 v3] add " Jean-Christophe PLAGNIOL-VILLARD
2012-11-05  9:36 ` [PATCH 1/2] spi: introduce spi_get_master Jean-Christophe PLAGNIOL-VILLARD
2012-11-05  9:36   ` [PATCH 2/2] introduce spi command Jean-Christophe PLAGNIOL-VILLARD
2012-11-05 18:21 [PATCH 0/2 v4] add " Jean-Christophe PLAGNIOL-VILLARD
2012-11-05 18:30 ` [PATCH 1/2] spi: introduce spi_get_master Jean-Christophe PLAGNIOL-VILLARD
2012-11-05 18:30   ` [PATCH 2/2] introduce spi command Jean-Christophe PLAGNIOL-VILLARD

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