diff options
Diffstat (limited to 'extmod/machine_spi.c')
| -rw-r--r-- | extmod/machine_spi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/extmod/machine_spi.c b/extmod/machine_spi.c index 3a34b7fb0..b0bd76faf 100644 --- a/extmod/machine_spi.c +++ b/extmod/machine_spi.c @@ -34,8 +34,10 @@ void mp_machine_soft_spi_transfer(mp_obj_base_t *self_in, size_t len, const uint8_t *src, uint8_t *dest) { mp_machine_soft_spi_obj_t *self = (mp_machine_soft_spi_obj_t*)self_in; + uint32_t delay_half = self->delay_half; + // only MSB transfer is implemented - uint32_t delay_half = 500000 / self->baudrate + 1; + for (size_t i = 0; i < len; ++i) { uint8_t data_out = src[i]; uint8_t data_in = 0; |