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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next prev parent 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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