diff options
Diffstat (limited to 'tools/spi/spidev_test.c')
| -rw-r--r-- | tools/spi/spidev_test.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c index 27967dd90f8f..eec23fa693bd 100644 --- a/tools/spi/spidev_test.c +++ b/tools/spi/spidev_test.c @@ -128,18 +128,22 @@ static void transfer(int fd, uint8_t const *tx, uint8_t const *rx, size_t len) .bits_per_word = bits, }; - if (mode & SPI_TX_QUAD) + if (mode & SPI_TX_OCTAL) + tr.tx_nbits = 8; + else if (mode & SPI_TX_QUAD) tr.tx_nbits = 4; else if (mode & SPI_TX_DUAL) tr.tx_nbits = 2; - if (mode & SPI_RX_QUAD) + if (mode & SPI_RX_OCTAL) + tr.rx_nbits = 8; + else if (mode & SPI_RX_QUAD) tr.rx_nbits = 4; else if (mode & SPI_RX_DUAL) tr.rx_nbits = 2; if (!(mode & SPI_LOOP)) { - if (mode & (SPI_TX_QUAD | SPI_TX_DUAL)) + if (mode & (SPI_TX_OCTAL | SPI_TX_QUAD | SPI_TX_DUAL)) tr.rx_buf = 0; - else if (mode & (SPI_RX_QUAD | SPI_RX_DUAL)) + else if (mode & (SPI_RX_OCTAL | SPI_RX_QUAD | SPI_RX_DUAL)) tr.tx_buf = 0; } @@ -187,6 +191,7 @@ static void print_usage(const char *prog) " -R --ready slave pulls low to pause\n" " -2 --dual dual transfer\n" " -4 --quad quad transfer\n" + " -8 --octal octal transfer\n" " -S --size transfer size\n" " -I --iter iterations\n"); exit(1); @@ -213,13 +218,14 @@ static void parse_opts(int argc, char *argv[]) { "dual", 0, 0, '2' }, { "verbose", 0, 0, 'v' }, { "quad", 0, 0, '4' }, + { "octal", 0, 0, '8' }, { "size", 1, 0, 'S' }, { "iter", 1, 0, 'I' }, { NULL, 0, 0, 0 }, }; int c; - c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR24p:vS:I:", + c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR248p:vS:I:", lopts, NULL); if (c == -1) @@ -280,6 +286,9 @@ static void parse_opts(int argc, char *argv[]) case '4': mode |= SPI_TX_QUAD; break; + case '8': + mode |= SPI_TX_OCTAL; + break; case 'S': transfer_size = atoi(optarg); break; @@ -295,6 +304,8 @@ static void parse_opts(int argc, char *argv[]) mode |= SPI_RX_DUAL; if (mode & SPI_TX_QUAD) mode |= SPI_RX_QUAD; + if (mode & SPI_TX_OCTAL) + mode |= SPI_RX_OCTAL; } } |