altos: Mostly working SPI radio link

[fw/altos] / src / cc1111 / ao_spi.c

diff --git a/src/cc1111/ao_spi.c b/src/cc1111/ao_spi.c
index 2b4fd186aa843b0435100d985aece4a9b3365dd7..39d459f1f224ebcf9af1bdfd5d4f91fceb4f852b 100644 (file)
--- a/src/cc1111/ao_spi.c
+++ b/src/cc1111/ao_spi.c
@@ -171,16 +171,20 @@ ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant
 #endif
        ao_dma_start(ao_spi_dma_out_id);
        ao_dma_trigger(ao_spi_dma_out_id);
-#if AO_SPI_SLAVE
-       __critical while (!ao_spi_dma_out_done)
-                          ao_sleep(&ao_spi_dma_out_done);
-#else
+#if !AO_SPI_SLAVE
        __critical while (!ao_spi_dma_in_done)
                ao_sleep(&ao_spi_dma_in_done);
 #endif
 }
 
-
+#if AO_SPI_SLAVE
+void
+ao_spi_send_wait(void)
+{
+       __critical while (!ao_spi_dma_out_done)
+               ao_sleep(&ao_spi_dma_out_done);
+}
+#endif
 
 /* Receive bytes over SPI.
  *
@@ -221,11 +225,19 @@ ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant
 #if !AO_SPI_SLAVE
        ao_dma_start(ao_spi_dma_out_id);
        ao_dma_trigger(ao_spi_dma_out_id);
-#endif
        __critical while (!ao_spi_dma_in_done)
                ao_sleep(&ao_spi_dma_in_done);
+#endif
 }
 
+#if AO_SPI_SLAVE
+void
+ao_spi_recv_wait(void)
+{
+       __critical while (!ao_spi_dma_in_done)
+               ao_sleep(&ao_spi_dma_in_done);
+}
+#endif
 
 void
 ao_spi_init(void)