diff options
Diffstat (limited to 'board/keyborg/spi_comm.c')
| -rw-r--r-- | board/keyborg/spi_comm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/board/keyborg/spi_comm.c b/board/keyborg/spi_comm.c index 380ab6906b..4c5c729e7b 100644 --- a/board/keyborg/spi_comm.c +++ b/board/keyborg/spi_comm.c @@ -408,7 +408,12 @@ static void spi_nss_interrupt(void) if (spi->sr & STM32_SPI_SR_RXNE) in_msg[0] = spi->dr; - master_slave_sync(5); + /* + * SPI_NSS is also used for the master to reboot the slave. + * If SPI_NSS goes low without a sync in time, reboots. + */ + if (master_slave_sync(5)) + system_reboot(); /* Read in the packet size */ while (!(spi->sr & STM32_SPI_SR_RXNE)) |