diff options
Diffstat (limited to 'os/io/spi.h')
| -rw-r--r-- | os/io/spi.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/os/io/spi.h b/os/io/spi.h index 3bd21e71b..cebde453f 100644 --- a/os/io/spi.h +++ b/os/io/spi.h @@ -60,8 +60,8 @@ extern "C" { void spiSelect(SPIDriver *spip);
void spiUnselect(SPIDriver *spip);
void spiIgnore(SPIDriver *spip, size_t n);
- void spiExchange(SPIDriver *spip, size_t n, void *txbuf, void *rxbuf);
- void spiSend(SPIDriver *spip, size_t n, void *txbuf);
+ void spiExchange(SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf);
+ void spiSend(SPIDriver *spip, size_t n, const void *txbuf);
void spiReceive(SPIDriver *spip, size_t n, void *rxbuf);
#if SPI_USE_MUTUAL_EXCLUSION
void spiAcquireBus(SPIDriver *spip);
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