On Sat, Mar 7, 2015 at 6:56 PM, Adrian Remonda <adrianremonda@xxxxxxxxx> wrote:
> diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
> index 3a2f9d59edab..533050ced9f1 100644
> --- a/Documentation/spi/spidev_test.c
> +++ b/Documentation/spi/spidev_test.c
> @@ -15,6 +15,7 @@
> #include <unistd.h>
> #include <stdio.h>
> #include <stdlib.h>
> +#include <string.h>
> #include <getopt.h>
> #include <fcntl.h>
> #include <sys/ioctl.h>
> @@ -35,6 +36,33 @@ static uint8_t bits = 8;
> static uint32_t speed = 500000;
> static uint16_t delay;
>
> +static void hexDump(const void *src, size_t length, size_t bLine, char *prefix)
> +{
> + int i = 0;
> + char *address = (char *)src;
If you use "const char *address", you don't need the cast.
If you use "const unsigned char *address", one more cast below can be dropped.
> + char *line = (char *)address;
"const unsigned char *line", and drop the cast.
> + unsigned char c;
> +
> + printf("%s | ", prefix);
> + while (length-- > 0) {
> + printf("%02X ", (unsigned char)*address++);
> @@ -76,12 +104,7 @@ static void transfer(int fd)
> if (ret < 1)
> pabort("can't send spi message");
>
> - for (ret = 0; ret < ARRAY_SIZE(tx); ret++) {
> - if (!(ret % 6))
> - puts("");
> - printf("%.2X ", rx[ret]);
> - }
> - puts("");
> + hexDump(rx, ARRAY_SIZE(tx), 32, "RX");
I know rx and tx have the same size, but please switch to "ARRAY_SIZE(RX)"
while at it.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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