On Fri, Nov 02, 2012 at 05:17:40PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> usefull to debug spi
>
> The command allow to read/write on a spi device
>
> Usage: spi [OPTION] [data to write 0xXX]
> write/read spi device.
> -b <bus_num> spi bus number (default = 0)
> -r <count> to read
> -c <cs> chip select (default = 0)
> -m <mode> spi mode (default = 0)
> -f <hz> max_speed_hz (default = 1MHz)
> -w <bit> bits_per_word (default = 8)
> -v verbose
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> ---
> commands/Kconfig | 6 +++
> commands/Makefile | 1 +
> commands/spi.c | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 133 insertions(+)
> create mode 100644 commands/spi.c
>
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 16706d3..f7cbd67 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -597,6 +597,12 @@ config CMD_I2C
> include i2c_probe, i2c_read and i2c_write commands to communicate
> on i2c bus.
>
> +config CMD_SPI
> + bool
> + depends on SPI
> + prompt "spi command"
> + help
> +
> config CMD_LED
> bool
> depends on LED
> diff --git a/commands/Makefile b/commands/Makefile
> index 610be55..19d496e 100644
> --- a/commands/Makefile
> +++ b/commands/Makefile
> @@ -55,6 +55,7 @@ obj-$(CONFIG_USB_GADGET_SERIAL) += usbserial.o
> obj-$(CONFIG_CMD_GPIO) += gpio.o
> obj-$(CONFIG_CMD_UNCOMPRESS) += uncompress.o
> obj-$(CONFIG_CMD_I2C) += i2c.o
> +obj-$(CONFIG_CMD_SPI) += spi.o
> obj-$(CONFIG_CMD_UBI) += ubi.o
> obj-$(CONFIG_CMD_MENU) += menu.o
> obj-$(CONFIG_CMD_PASSWD) += passwd.o
> diff --git a/commands/spi.c b/commands/spi.c
> new file mode 100644
> index 0000000..599637c
> --- /dev/null
> +++ b/commands/spi.c
> @@ -0,0 +1,126 @@
> +/*
> + * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> + *
> + * Under GPLv2 only
> + *
> + */
> +
> +#include <common.h>
> +#include <command.h>
> +#include <errno.h>
> +#include <malloc.h>
> +#include <getopt.h>
> +#include <spi/spi.h>
> +
> +static int do_spi(int argc, char *argv[])
> +{
> + struct spi_device spi;
> + int bus = 0;
> + int read = 0;
> + int verbose = 0;
> + int opt, count, i, ret;
> +
> + u8 *tx_buf, *rx_buf;
> +
> + memset(&spi, 0, sizeof(struct spi_device));
> +
> + spi.max_speed_hz = 1 * 1000 * 1000;
> + spi.bits_per_word = 8;
> +
> + while ((opt = getopt(argc, argv, "b:c:r:m:f:w:v")) > 0) {
> + switch (opt) {
> + case 'b':
> + bus = simple_strtol(optarg, NULL, 0);
> + break;
> + case 'r':
> + read = simple_strtol(optarg, NULL, 0);
> + break;
> + case 'c':
> + spi.chip_select = simple_strtoul(optarg, NULL, 0);
> + break;
> + case 'm':
> + spi.mode = simple_strtoul(optarg, NULL, 0);
> + break;
> + case 'f':
> + spi.max_speed_hz = simple_strtoul(optarg, NULL, 0);
> + break;
> + case 'w':
> + spi.bits_per_word = simple_strtoul(optarg, NULL, 0);
> + break;
> + case 'v':
> + verbose = 1;
> + break;
default:
return COMMAND_ERROR_USAGE;
I still didn't find the time to fix the other commands, but for new ones
we should get used to it.
Sascha
--
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