mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 3/5] sandbox: parse libftdi options
Date: Mon, 16 Oct 2017 10:21:58 +0200	[thread overview]
Message-ID: <20171016082158.mclujzfzsdvhjcvq@pengutronix.de> (raw)
In-Reply-To: <20171010122631.9421-4-antonynpavlov@gmail.com>

On Tue, Oct 10, 2017 at 03:26:29PM +0300, Antony Pavlov wrote:
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> ---
>  arch/sandbox/Makefile    |  2 +-
>  arch/sandbox/os/common.c | 12 ++++++--
>  arch/sandbox/os/ftdi.c   | 79 +++++++++++++++++++++++++++++++++++++++++++++++-
>  3 files changed, 89 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/sandbox/os/ftdi.c b/arch/sandbox/os/ftdi.c
> index 34e9165787..e3e46ed12d 100644
> --- a/arch/sandbox/os/ftdi.c
> +++ b/arch/sandbox/os/ftdi.c
> @@ -20,6 +20,7 @@
>  #include <unistd.h>
>  #include <ftdi.h>
>  #include <errno.h>
> +#include <string.h>
>  #include <mach/linux.h>
>  
>  #define FTDI_VID		0x0403	/* Vendor Id */
> @@ -38,6 +39,8 @@ struct ft2232_bitbang {
>  
>  static struct ft2232_bitbang ftbb;
>  
> +extern const char *libftdi_options;
> +
>  static inline int ftdi_flush(struct ftdi_context *ftdi)
>  {
>  	uint8_t buf[1];
> @@ -116,6 +119,67 @@ void barebox_libftdi1_gpio_set_value(struct ft2232_bitbang *ftbb,
>  		ftbb->odata &= ~BIT(off);
>  }
>  
> +/* This is a somewhat hacked function similar in some ways to strtok().
> + * It will look for needle with a subsequent '=' in haystack, return a copy of
> + * needle and remove everything from the first occurrence of needle to the next
> + * delimiter from haystack.
> + */
> +static char *extract_param(const char *const *haystack, const char *needle,
> +			const char *delim)
> +{

Parsing comma separated option lists is something we do more than once.
Right now we already have parseopt_b and parseopt_hu. Would be nice to
have this function alongside with the existing functions. Also
parseopt_* look simpler to follow, it may be worth adopting the code for
this function.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  reply	other threads:[~2017-10-16  8:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-10 12:26 [PATCH 0/5] sandbox: add gpio support with libftdi1 Antony Pavlov
2017-10-10 12:26 ` [PATCH 1/5] sandbox: avoid symbol conflict for {open,read,close}dir Antony Pavlov
2017-10-10 12:26 ` [PATCH 2/5] sandbox: add gpio support with libftdi1 Antony Pavlov
2017-10-16  7:56   ` Sascha Hauer
2017-10-10 12:26 ` [PATCH 3/5] sandbox: parse libftdi options Antony Pavlov
2017-10-16  8:21   ` Sascha Hauer [this message]
2017-10-16 14:10     ` Antony Pavlov
2017-10-16 14:06       ` Sascha Hauer
2017-10-19 11:55         ` Antony Pavlov
2017-10-19 11:52           ` Sascha Hauer
2017-10-10 12:26 ` [PATCH 4/5] sandbox_defconfig: enable gpio, spi, i2c and led stuff Antony Pavlov
2017-10-10 12:26 ` [PATCH 5/5] sandbox: dts: add i2c and spi libftdi1 bit-bang example Antony Pavlov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20171016082158.mclujzfzsdvhjcvq@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=antonynpavlov@gmail.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox