diff options
Diffstat (limited to 'nuttx/arch/arm/src/sam3u/sam3u_dmac.h')
| -rwxr-xr-x | nuttx/arch/arm/src/sam3u/sam3u_dmac.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/sam3u/sam3u_dmac.h b/nuttx/arch/arm/src/sam3u/sam3u_dmac.h index c92c45edf..736e689b0 100755 --- a/nuttx/arch/arm/src/sam3u/sam3u_dmac.h +++ b/nuttx/arch/arm/src/sam3u/sam3u_dmac.h @@ -345,7 +345,11 @@ #define DMACHAN_CTRLA_BTSIZE_SHIFT (0) /* Bits 0-11: Buffer Transfer Size */
#define DMACHAN_CTRLA_BTSIZE_MASK (DMACHAN_CTRLA_BTSIZE_MAX << DMACHAN_CTRLA_BTSIZE_SHIFT)
#define DMACHAN_CTRLA_SCSIZE (1 << 16) /* Bit 16: Source Chunk Transfer Size */
+# define DMACHAN_CTRLA_SCSIZE_1 (0)
+# define DMACHAN_CTRLA_SCSIZE_4 DMACHAN_CTRLA_SCSIZE
#define DMACHAN_CTRLA_DCSIZE (1 << 20) /* Bit 20: Destination Chunk Transfer size */
+# define DMACHAN_CTRLA_DCSIZE_1 (0)
+# define DMACHAN_CTRLA_DCSIZE_4 DMACHAN_CTRLA_DCSIZE
#define DMACHAN_CTRLA_SRCWIDTH_SHIFT (24) /* Bits 24-25 */
#define DMACHAN_CTRLA_SRCWIDTH_MASK (3 << DMACHAN_CTRLA_SRCWIDTH_SHIFT)
# define DMACHAN_CTRLA_SRCWIDTH_BYTE (0 << DMACHAN_CTRLA_SRCWIDTH_SHIFT)
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