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
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next prev parent 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
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