diff options
Diffstat (limited to 'usrp2/firmware/lib')
| -rw-r--r-- | usrp2/firmware/lib/memory_map.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/usrp2/firmware/lib/memory_map.h b/usrp2/firmware/lib/memory_map.h index 0519282bb..f4bf42010 100644 --- a/usrp2/firmware/lib/memory_map.h +++ b/usrp2/firmware/lib/memory_map.h @@ -629,6 +629,25 @@ typedef struct { #define TIMESYNC_BASE 0xE800 typedef struct { + /*! + * \brief Time sync configuration. + * + * <pre> + * + * 3 2 1 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------------------------------------------------+-+-+-+-+-+ + * | |T|G|X|I|S| + * +-----------------------------------------------------+-+-+-+-+-+ + * + * S - Tick source (0 = free run, 1 = pps, default=0) + * I - Tick interrupt enable (not implemented) + * X - Use external sync source (default=1) + * G - PPS edge selection (0=negedge, 1=posedge, default=0) + * T - Trigger sync every pps edge (default=0) + * + * </pre> + */ volatile uint32_t tick_control; volatile uint32_t tick_interval; volatile uint32_t delta_time; |