diff options
| -rw-r--r-- | ports/stm32f4/common-hal/busio/SPI.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ports/stm32f4/common-hal/busio/SPI.c b/ports/stm32f4/common-hal/busio/SPI.c index a13b3dfdb..d64ec542a 100644 --- a/ports/stm32f4/common-hal/busio/SPI.c +++ b/ports/stm32f4/common-hal/busio/SPI.c @@ -97,10 +97,12 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self, if (mcu_spi_mosi_list[j].pin == mosi) { //miso for(uint k=0; k<miso_len;k++) { - if ((mcu_spi_miso_list[k].pin == miso) + if ((mcu_spi_miso_list[k].pin == miso) //everything needs the same index && (mcu_spi_sck_list[i].spi_index == mcu_spi_mosi_list[j].spi_index) && (mcu_spi_sck_list[i].spi_index == mcu_spi_miso_list[k].spi_index)) { - //everything needs the same index + //keep looking if the SPI is taken, edge case + if(reserved_spi[mcu_spi_sck_list[i].spi_index-1]) continue; + //store pins if not self->sck = &mcu_spi_sck_list[j]; self->mosi = &mcu_spi_mosi_list[j]; self->miso = &mcu_spi_miso_list[k]; |