Use g_pulse_phase defines when the first pulse occurs after rst release.

libraries/base/common/src/vhdl/common_pulser.vhd

@@ -30,9 +30,15 @@ USE common_lib.common_pkg.ALL;
 --   The pulse period can dynamically be set via the input pulse_period.
 --   Default pulse_period = g_pulse_period, to also support static setting of
 --   the pulse period. The pulse_clr can be used to synchronise the pulser.
+--   The g_pulse_phase defines when the first pulse occurs after rst release:
+--   . g_pulse_phase=0                : first pulse after g_pulse_period cycles
+--   . g_pulse_phase=g_pulse_period   : first pulse after g_pulse_period cycles
+--   . g_pulse_phase=g_pulse_period-1 : first pulse after              1 cycles
+--   . g_pulse_phase=g_pulse_period-N : first pulse after              N cycles
 ENTITY common_pulser IS
   GENERIC (
-    g_pulse_period : NATURAL := 25000  -- nof clk cycles to get pulse period
+    g_pulse_period : NATURAL := 25000;  -- nof clk cycles to get pulse period
+    g_pulse_phase  : INTEGER := 0
   );
   PORT (
     rst            : IN  STD_LOGIC;
@@ -76,6 +82,7 @@ BEGIN
   
   u_cnt : ENTITY common_lib.common_counter
   GENERIC MAP (
+    g_init      => g_pulse_phase,
     g_width     => c_pulse_period_w
   )
   PORT MAP (

libraries/base/common/src/vhdl/common_pulser_us_ms_s.vhd

@@ -28,9 +28,9 @@ USE common_lib.common_pkg.ALL;
 
 ENTITY common_pulser_us_ms_s IS
   GENERIC (
-    g_pulse_us   : NATURAL := 125/(10**6);  -- nof clk cycles to get us period
-    g_pulse_ms   : NATURAL := 1000;         -- nof pulse_us pulses to get ms period
-    g_pulse_s    : NATURAL := 1000          -- nof pulse_ms pulses to get s period
+    g_pulse_us    : NATURAL := 125;          -- nof clk cycles to get us period
+    g_pulse_ms    : NATURAL := 1000;         -- nof pulse_us pulses to get ms period
+    g_pulse_s     : NATURAL := 1000          -- nof pulse_ms pulses to get s period
   );
   PORT (
     rst          : IN  STD_LOGIC;
@@ -78,7 +78,8 @@ BEGIN
 
   u_common_pulser_us : ENTITY common_lib.common_pulser
   GENERIC MAP (
-    g_pulse_period => g_pulse_us
+    g_pulse_period => g_pulse_us,
+    g_pulse_phase  => g_pulse_us-1
   )
   PORT MAP (
     rst            => rst,
@@ -91,7 +92,8 @@ BEGIN
   
   u_common_pulser_ms : ENTITY common_lib.common_pulser
   GENERIC MAP (
-    g_pulse_period => g_pulse_ms
+    g_pulse_period => g_pulse_ms,
+    g_pulse_phase  => g_pulse_ms-1
   )
   PORT MAP (
     rst            => rst,
@@ -104,7 +106,8 @@ BEGIN
     
   u_common_pulser_s : ENTITY common_lib.common_pulser
   GENERIC MAP (
-    g_pulse_period => g_pulse_s
+    g_pulse_period => g_pulse_s,
+    g_pulse_phase  => g_pulse_s-1
   )
   PORT MAP (
     rst            => rst,

libraries/base/common/tb/vhdl/tb_common_pulser.vhd

@@ -81,7 +81,8 @@ BEGIN
     
   u_pulse_us : ENTITY work.common_pulser
   GENERIC MAP (
-    g_pulse_period => c_pulse_us
+    g_pulse_period => c_pulse_us,
+    g_pulse_phase  => c_pulse_us-1
   )
   PORT MAP (
     rst            => rst,