altos: Make SD card driver compile without radio support

[fw/altos] / src / drivers / ao_sdcard.c

diff --git a/src/drivers/ao_sdcard.c b/src/drivers/ao_sdcard.c
index c13017f07b1c6ad5f3b6b0523d909a859678c8e8..7806bc194a6b910d946498d5a95c66bd258933ed 100644 (file)
--- a/src/drivers/ao_sdcard.c
+++ b/src/drivers/ao_sdcard.c
@@ -18,11 +18,18 @@
 #include "ao.h"
 #include "ao_sdcard.h"
 
+#if HAS_RADIO
 extern uint8_t ao_radio_mutex;
+#define get_radio()    ao_mutex_get(&ao_radio_mutex)
+#define put_radio()    ao_mutex_put(&ao_radio_mutex)
+#else
+#define get_radio()
+#define put_radio()
+#endif
 
-#define ao_sdcard_get_slow() do { ao_mutex_get(&ao_radio_mutex); ao_spi_get(AO_SDCARD_SPI_BUS, AO_SPI_SPEED_250kHz); } while (0)
-#define ao_sdcard_get()        do { ao_mutex_get(&ao_radio_mutex); ao_spi_get(AO_SDCARD_SPI_BUS, AO_SPI_SPEED_FAST); } while (0)
-#define ao_sdcard_put() do { ao_spi_put(AO_SDCARD_SPI_BUS); ao_mutex_put(&ao_radio_mutex); } while (0)
+#define ao_sdcard_get_slow() do { get_radio(); ao_spi_get(AO_SDCARD_SPI_BUS, AO_SPI_SPEED_250kHz); } while (0)
+#define ao_sdcard_get()        do { get_radio(); ao_spi_get(AO_SDCARD_SPI_BUS, AO_SPI_SPEED_FAST); } while (0)
+#define ao_sdcard_put() do { ao_spi_put(AO_SDCARD_SPI_BUS); put_radio(); } while (0)
 #define ao_sdcard_send_fixed(d,l)      ao_spi_send_fixed((d), (l), AO_SDCARD_SPI_BUS)
 #define ao_sdcard_send(d,l)            ao_spi_send((d), (l), AO_SDCARD_SPI_BUS)
 #define ao_sdcard_recv(d,l)            ao_spi_recv((d), (l), AO_SDCARD_SPI_BUS)