altos/stm32l0: Add casts to reduce -Wconversion warnings

[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..f03d96957802674ffc22d54b009be87805c15119 100644 (file)
--- a/src/stm32l0/ao_arch_funcs.h
+++ b/src/stm32l0/ao_arch_funcs.h
@@ -133,7 +133,7 @@ ao_spi_recv_byte(uint8_t spi_index)
        stm_spi->dr = 0xff;
        while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
                ;
        stm_spi->dr = 0xff;
        while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
                ;

-       return stm_spi->dr;
+       return (uint8_t) stm_spi->dr;

 }
 
 void
 }
 
 void