Merge branch 'branch-1.9' into debian

[fw/altos] / src / stm32l0 / ao_arch_funcs.h

diff --git a/src/stm32l0/ao_arch_funcs.h b/src/stm32l0/ao_arch_funcs.h
index 297bd66c76684b9762fba85f6e67f68fd7b206a3..385fe0e32b192d6c815ec0fd32bdb96f8d69abe0 100644 (file)
--- a/src/stm32l0/ao_arch_funcs.h
+++ b/src/stm32l0/ao_arch_funcs.h
@@ -133,14 +133,13 @@ ao_spi_recv_byte(uint8_t spi_index)
        stm_spi->dr = 0xff;
        while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
                ;
-       return stm_spi->dr;
+       return (uint8_t) stm_spi->dr;
 }
 
 void
 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
 
-void
-ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
+#define AO_SPI_DUPLEX  0
 
 void
 ao_spi_init(void);