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Commit 31a5c5a7 authored by Adrian Remonda's avatar Adrian Remonda Committed by Mark Brown
Browse files

spi: spidev_test: Added verbose output 



Signed-off-by: default avatarAdrian Remonda <adrianremonda@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b78ce7ed

Documentation/spi/spidev_test.c

+9 −1
Original line number Diff line number Diff line
@@ -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;