diff options
Diffstat (limited to 'tools/spi')
| -rw-r--r-- | tools/spi/spidev_test.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c index 2d2cee339b39..9179942d7f15 100644 --- a/tools/spi/spidev_test.c +++ b/tools/spi/spidev_test.c @@ -172,7 +172,7 @@ static void transfer(int fd, uint8_t const *tx, uint8_t const *rx, size_t len) static void print_usage(const char *prog) { - printf("Usage: %s [-2348CDHILNORSbdilopsv]\n", prog); + printf("Usage: %s [-2348CDFHILMNORSZbdilopsv]\n", prog); puts("general device settings:\n" " -D --device device to use (default /dev/spidev1.1)\n" " -s --speed max speed (Hz)\n" @@ -181,11 +181,13 @@ static void print_usage(const char *prog) "spi mode:\n" " -H --cpha clock phase\n" " -O --cpol clock polarity\n" + " -F --rx-cpha-flip flip CPHA on Rx only xfer\n" "number of wires for transmission:\n" " -2 --dual dual transfer\n" " -4 --quad quad transfer\n" " -8 --octal octal transfer\n" " -3 --3wire SI/SO signals shared\n" + " -Z --3wire-hiz high impedance turnaround\n" "data:\n" " -i --input input data from a file (e.g. \"test.bin\")\n" " -o --output output data to a file (e.g. \"results.bin\")\n" @@ -198,6 +200,7 @@ static void print_usage(const char *prog) " -C --cs-high chip select active high\n" " -N --no-cs no chip select\n" " -R --ready slave pulls low to pause\n" + " -M --mosi-idle-low leave mosi line low when idle\n" "misc:\n" " -v --verbose Verbose (show tx buffer)\n"); exit(1); @@ -213,10 +216,12 @@ static void parse_opts(int argc, char *argv[]) { "loop", 0, 0, 'l' }, { "cpha", 0, 0, 'H' }, { "cpol", 0, 0, 'O' }, + { "rx-cpha-flip", 0, 0, 'F' }, { "dual", 0, 0, '2' }, { "quad", 0, 0, '4' }, { "octal", 0, 0, '8' }, { "3wire", 0, 0, '3' }, + { "3wire-hiz", 0, 0, 'Z' }, { "input", 1, 0, 'i' }, { "output", 1, 0, 'o' }, { "size", 1, 0, 'S' }, @@ -226,12 +231,13 @@ static void parse_opts(int argc, char *argv[]) { "cs-high", 0, 0, 'C' }, { "no-cs", 0, 0, 'N' }, { "ready", 0, 0, 'R' }, + { "mosi-idle-low", 0, 0, 'M' }, { "verbose", 0, 0, 'v' }, { NULL, 0, 0, 0 }, }; int c; - c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR248p:vS:I:", + c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3ZFMNR248p:vS:I:", lopts, NULL); if (c == -1) @@ -274,6 +280,15 @@ static void parse_opts(int argc, char *argv[]) case '3': mode |= SPI_3WIRE; break; + case 'Z': + mode |= SPI_3WIRE_HIZ; + break; + case 'F': + mode |= SPI_RX_CPHA_FLIP; + break; + case 'M': + mode |= SPI_MOSI_IDLE_LOW; + break; case 'N': mode |= SPI_NO_CS; break; |