dsp/gc_soft_ramp_switch: added immediate kill/squelch output control signal

db140cf4 · Tomasz Wlostowski · 34d51acc · db140cf4
Commit db140cf4 authored Jul 20, 2022 by Tomasz Wlostowski
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Showing with 7 additions and 2 deletions

gc_soft_ramp_switch.vhd modules/dsp/gc_soft_ramp_switch.vhd +7 -2

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--- a/modules/dsp/gc_soft_ramp_switch.vhd
+++ b/modules/dsp/gc_soft_ramp_switch.vhd
@@ -20,6 +20,7 @@ entity gc_soft_ramp_switch is
    rate_i : in std_logic_vector(15 downto 0);

    on_i : in std_logic;
+    kill_i : in std_logic;

    is_on_o  : out std_logic;
    is_off_o : out std_logic;
@@ -68,7 +69,7 @@ begin
  p_switch : process(clk_i)
  begin
    if rising_edge(clk_i) then
-      if rst_i = '1' then
+      if rst_i = '1' or kill_i = '1' then
        state      <= SW_OFF;
        ramp_integ <= (others => '0');
        is_off_o   <= '1';
@@ -139,7 +140,11 @@ begin
        y_valid_o <= x_valid_i;

        for i in 0 to g_NUM_CHANNELS loop
-          yo(i) <= f_mul_sar(xi(i), mulf, g_DATA_BITS);
+          if kill_i = '0' then
+            yo(i) <= f_mul_sar(xi(i), mulf, g_DATA_BITS);
+          else
+            yo(i) <= (others => '0');
+          end if;
        end loop;
      end if;
    end if;