Hi On Fri, Jun 22, 2018 at 9:10 AM, Lukasz Majewski <[email protected]> wrote: > Hi Michael, > >> Hi all >> >> Trying to understand how to get the last result. For example: >> sspi 1:0.3 24 700002; sspi 1:1.3 24 730000 > > The $? shall do the job. > > => true > => echo $? > 0 > => false > => echo $? > 1
commit d7fc57cf5637416d23adb2e5fd1e6ec8fbed6a63 Author: Michael Trimarchi <[email protected]> Date: Wed Jun 20 13:46:50 2018 +0200 cmd: spi: Export sspi command result in an enviroment variable We would like to export sspi result in enviroment variable to use it later in any scripts Change-Id: Iad92455630e3ef8042b2a9fe02f8995c0d8974c9 Signed-off-by: Michael Trimarchi <[email protected]> diff --git a/cmd/spi.c b/cmd/spi.c index 9a2edcf..00a9c15 100644 --- a/cmd/spi.c +++ b/cmd/spi.c @@ -37,13 +37,18 @@ static unsigned int cs; static unsigned int mode; static int bitlen; static uchar dout[MAX_SPI_BYTES]; -static uchar din[MAX_SPI_BYTES]; +static uchar din[MAX_SPI_BYTES + 1]; + +/* enviroment variable used to export the result */ +static char env_din[2 * MAX_SPI_BYTES]; static int do_spi_xfer(int bus, int cs) { struct spi_slave *slave; int ret = 0; + env_set("spiout", ""); + #ifdef CONFIG_DM_SPI char name[30], *str; struct udevice *dev; @@ -79,9 +84,13 @@ static int do_spi_xfer(int bus, int cs) } else { int j; - for (j = 0; j < ((bitlen + 7) / 8); j++) + for (j = 0; j < ((bitlen + 7) / 8); j++) { printf("%02X", din[j]); + sprintf(&env_din[2 * j], "%02x", din[j]); + } printf("\n"); + env_din[2 * j] = 0; + env_set("spiout", env_din); : Michael > > Or have I misunderstood something? > >> >> Now I need to have the last output of the last command to compare in >> one script. Any idea? >> >> Michael >> _______________________________________________ >> U-Boot mailing list >> [email protected] >> https://lists.denx.de/listinfo/u-boot > > > > > Best regards, > > Lukasz Majewski > > -- > > DENX Software Engineering GmbH, Managing Director: Wolfgang Denk > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
