diff options
Diffstat (limited to 'fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd')
-rw-r--r-- | fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd b/fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd index ed7ab4a50..a952c4b35 100644 --- a/fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd +++ b/fpga/usrp3/lib/vivado_ipi/axi_bitq/bitq_fsm.vhd @@ -12,6 +12,9 @@ use ieee.std_logic_1164.all; use ieee.numeric_std.all; entity bitq_fsm is +generic ( + IDLE_VALUE : std_logic := 'Z' +); port ( clk : in std_logic; rstn : in std_logic; @@ -27,7 +30,6 @@ port ( wr_data : in std_logic_vector(31 downto 0); stb_data : in std_logic_vector(31 downto 0); rd_data : out std_logic_vector(31 downto 0) - ); end bitq_fsm; @@ -51,9 +53,9 @@ begin begin case (bitq_state) is when IDLE => - bit_clk <= 'Z'; - bit_out <= 'Z'; - bit_stb <= 'Z'; + bit_clk <= IDLE_VALUE; + bit_out <= IDLE_VALUE; + bit_stb <= IDLE_VALUE; ready <= '1'; when LOW => bit_clk <= '0'; @@ -66,9 +68,9 @@ begin bit_stb <= bit_stb_r; ready <= '0'; when others => - bit_clk <= 'Z'; - bit_out <= 'Z'; - bit_stb <= 'Z'; + bit_clk <= IDLE_VALUE; + bit_out <= IDLE_VALUE; + bit_stb <= IDLE_VALUE; ready <= '1'; end case; end process; |