From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Remonda Subject: [PATCHv2 2/4] Added verbose output Date: Tue, 10 Mar 2015 16:12:31 -0400 Message-ID: <1426018353-13442-3-git-send-email-adrianremonda@gmail.com> References: <1426018353-13442-1-git-send-email-adrianremonda@gmail.com> <1426018353-13442-2-git-send-email-adrianremonda@gmail.com> Cc: adrianremonda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, corbet-T1hC0tSOHrs@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: unlisted-recipients:; (no To-header on input) Return-path: In-Reply-To: <1426018353-13442-2-git-send-email-adrianremonda-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Signed-off-by: Adrian Remonda --- Documentation/spi/spidev_test.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c index 9cb09184a3d6..4b6a3803638b 100644 --- a/Documentation/spi/spidev_test.c +++ b/Documentation/spi/spidev_test.c @@ -35,6 +35,7 @@ static uint32_t mode; static uint8_t bits = 8; static uint32_t speed = 500000; static uint16_t delay; +static int verbose; static void hex_dump(const void *src, size_t length, size_t line_size, char *prefix) { @@ -104,6 +105,8 @@ static void transfer(int fd) if (ret < 1) pabort("can't send spi message"); + if (verbose) + hex_dump(tx, ARRAY_SIZE(tx), 32, "TX"); hex_dump(rx, ARRAY_SIZE(rx), 32, "RX"); } @@ -120,6 +123,7 @@ static void print_usage(const char *prog) " -L --lsb least significant bit first\n" " -C --cs-high chip select active high\n" " -3 --3wire SI/SO signals shared\n" + " -v --verbose Verbose (show tx buffer)\n" " -N --no-cs no chip select\n" " -R --ready slave pulls low to pause\n" " -2 --dual dual transfer\n" @@ -144,12 +148,13 @@ static void parse_opts(int argc, char *argv[]) { "no-cs", 0, 0, 'N' }, { "ready", 0, 0, 'R' }, { "dual", 0, 0, '2' }, + { "verbose", 0, 0, 'v' }, { "quad", 0, 0, '4' }, { NULL, 0, 0, 0 }, }; int c; - c = getopt_long(argc, argv, "D:s:d:b:lHOLC3NR24", lopts, NULL); + c = getopt_long(argc, argv, "D:s:d:b:lHOLC3NR24:v", lopts, NULL); if (c == -1) break; @@ -188,6 +193,9 @@ static void parse_opts(int argc, char *argv[]) case 'N': mode |= SPI_NO_CS; break; + case 'v': + verbose = 1; + break; case 'R': mode |= SPI_READY; break; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html