diff options
Diffstat (limited to 'nuttx/arch/arm/src/sam3u/sam3u_dmac.h')
| -rwxr-xr-x | nuttx/arch/arm/src/sam3u/sam3u_dmac.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_dmac.h b/nuttx/arch/arm/src/sam3u/sam3u_dmac.h index 817b3934c..c92c45edf 100755 --- a/nuttx/arch/arm/src/sam3u/sam3u_dmac.h +++ b/nuttx/arch/arm/src/sam3u/sam3u_dmac.h @@ -360,8 +360,8 @@ /* DMAC Channel n [n = 0..3] Control B Register */
-#define DMACHAN_CTRLB_SRCDSCR (1 << 16) /* Bit 16: Source uffer Descriptor Fetch operation disabled */
-#define DMACHAN_CTRLB_DSTDSCR (1 << 20) /* Bit 20: Dest Buffer Descriptor Fetch operation disabled */
+#define DMACHAN_CTRLB_SRCDSCR (1 << 16) /* Bit 16: Source buffer descriptor fetch operation disabled */
+#define DMACHAN_CTRLB_DSTDSCR (1 << 20) /* Bit 20: Dest buffer descriptor fetch operation disabled */
#define DMACHAN_CTRLB_FC_SHIFT (21) /* Bits 21-22: Flow controller */
#define DMACHAN_CTRLB_FC_MASK (3 << DMACHAN_CTRLB_FC_SHIFT)
# define DMACHAN_CTRLB_FC_M2M (0 << DMACHAN_CTRLB_FC_SHIFT) /* Memory-to-Memory */
@@ -380,7 +380,7 @@ /* DMAC Channel n [n = 0..3] Configuration Register */
-#define DMACHAN_CFG_SRCPER_SHIFT (0) /* Bits 0-3: Chanel source associated with peripheral ID */
+#define DMACHAN_CFG_SRCPER_SHIFT (0) /* Bits 0-3: Channel source associated with peripheral ID */
#define DMACHAN_CFG_SRCPER_MASK (15 << DMACHAN_CFG_SRCPER_SHIFT)
#define DMACHAN_CFG_DSTPER_SHIFT (4) /* Bits 4-7: Channel dest associated with peripheral ID */
#define DMACHAN_CFG_DSTPER_MASK (15 << DMACHAN_CFG_DSTPER_SHIFT)
@@ -401,6 +401,12 @@ # define DMACHAN_CFG_FIFOCFG_HALF (1 << DMACHAN_CFG_FIFOCFG_SHIFT) /* Half FIFO size */
# define DMACHAN_CFG_FIFOCFG_SINGLE (2 << DMACHAN_CFG_FIFOCFG_SHIFT) /* Single AHB access */
+/* DMA Peripheral IDs *******************************************************************/
+
+#define DMACHAN_PID_MCI0 0
+#define DMACHAN_PID_SSC 3
+#define DMACHAN_PID_MCI1 13
+
/****************************************************************************************
* Public Types
****************************************************************************************/
|