Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / src / attiny / ao_spi_attiny.c

diff --git a/src/attiny/ao_spi_attiny.c b/src/attiny/ao_spi_attiny.c
index 1c90ad56082326a9981aef4f538f1584159ab6fc..506ebf1550d84b1ee4ddec58045f175bc7fc4cd1 100644 (file)
--- a/src/attiny/ao_spi_attiny.c
+++ b/src/attiny/ao_spi_attiny.c
@@ -117,7 +117,7 @@ ao_spi_init(void)
 #else
        USICR = SPI_USICR_FAST_2;
 #endif
-       SPI_DIR &= ~(1 << DDB0);        /* DI */
+       SPI_DIR &= (uint8_t) ~(1 << DDB0);      /* DI */
        SPI_DIR |= (1 << DDB1);         /* DO */
        SPI_DIR |= (1 << DDB2);         /* SCLK */
 }