Add wait dma transfer functions.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@5052 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/drv/i2s.h b/bertos/drv/i2s.h
index 3ad4522e8d7983056eb0900789ebcef69c6c9d67..1f30a87c148d1f998525fcf47a0720ddd871d420 100644 (file)
--- a/bertos/drv/i2s.h
+++ b/bertos/drv/i2s.h
@@ -145,6 +145,13 @@ INLINE void i2s_dmaRxBuffer(I2s *i2s, void *buf, size_t len)
 }
 
 
+INLINE void i2s_dmaTxWait(I2s *i2s)
+{
+       ASSERT(i2s->ctx.tx_wait);
+       i2s->ctx.tx_wait(i2s);
+}
+
+
 INLINE void i2s_dmaStartTxStreaming(I2s *i2s, void *buf, size_t len, size_t slice_len, i2s_dma_callback_t callback)
 {
        ASSERT(i2s->ctx.tx_start);