Fri, 2 Nov 2012 17:17:40 +0100 от Jean-Christophe PLAGNIOL-VILLARD <[email protected]>: > 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 ... > +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;
I suggest using the default data from master for these parameters. --- _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
