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Diffstat (limited to 'usrp/firmware/include/fpga_regs_common.h')
-rw-r--r--usrp/firmware/include/fpga_regs_common.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/usrp/firmware/include/fpga_regs_common.h b/usrp/firmware/include/fpga_regs_common.h
index fe0c81f578..af88900f0d 100644
--- a/usrp/firmware/include/fpga_regs_common.h
+++ b/usrp/firmware/include/fpga_regs_common.h
@@ -32,8 +32,7 @@
#define FR_TX_SAMPLE_RATE_DIV 0
#define FR_RX_SAMPLE_RATE_DIV 1
-// 2 is available.
-// 3 is available.
+// 2 and 3 are defined in the ATR section
#define FR_MASTER_CTRL 4 // master enable and reset controls
# define bmFR_MC_ENABLE_TX (1 << 0)
@@ -144,4 +143,8 @@
#define FR_ATR_TXVAL_3 30
#define FR_ATR_RXVAL_3 31
+// Clock ticks to delay rising and falling edge of T/R signal
+#define FR_ATR_TX_DELAY 2
+#define FR_ATR_RX_DELAY 3
+
#endif /* INCLUDED_FPGA_REGS_COMMON_H */