diff options
Diffstat (limited to 'buspirate_spi.c')
| -rw-r--r-- | buspirate_spi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/buspirate_spi.c b/buspirate_spi.c index db8b310b5..fad309f96 100644 --- a/buspirate_spi.c +++ b/buspirate_spi.c @@ -543,6 +543,10 @@ int buspirate_spi_init(void) /* Set SPI config: output type, idle, clock edge, sample */ bp_commbuf[0] = 0x80 | 0xa; + if (pullup == 1) { + bp_commbuf[0] &= ~(1 << 3); + msg_pdbg("Pull-ups enabled, so using HiZ pin output! (Open-Drain mode)\n"); + } ret = buspirate_sendrecv(bp_commbuf, 1, 1); if (ret) return 1; |