bench/serwb/demo: Demonstrate use of multiple SERIOs over the same link.

enjoy-digital · Feb 29, 2024 · 5a98f2e · 5a98f2e
1 parent 620e6c6
commit 5a98f2e
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/bench/serwb/demo/ecpix5.py b/bench/serwb/demo/ecpix5.py
@@ -96,7 +96,8 @@ def __init__(self, platform, with_analyzer=False):
 
         # SerIO.
         # ------
-        self.serio = SERIOCore(serwb_core=self.serwb_master_core)
+        self.serio0 = SERIOCore(serwb_core=self.serwb_master_core, port=1)
+        self.serio1 = SERIOCore(serwb_core=self.serwb_master_core, port=2)
 
         # Leds -------------------------------------------------------------------------------------
         leds_pads = []
@@ -107,8 +108,8 @@ def __init__(self, platform, with_analyzer=False):
         self.comb += [
             leds_pads[0].eq(~self.serwb_master_phy.init.ready),
             leds_pads[1].eq(~self.serwb_master_phy.init.error),
-            leds_pads[2].eq(self.serio.o[0]), # Counter from Slave through SerIO.
-            leds_pads[3].eq(self.serio.o[1]), # Counter from Slave through SerIO.
+            leds_pads[2].eq(self.serio0.o[1]), # Counter from Slave through SerIO.
+            leds_pads[3].eq(self.serio1.o[1]), # Counter from Slave through SerIO.
         ]
 
         # Analyzer ---------------------------------------------------------------------------------

diff --git a/bench/serwb/demo/icebreaker.py b/bench/serwb/demo/icebreaker.py
@@ -97,13 +97,15 @@ def __init__(self, platform, with_analyzer=False):
 
         # SerIO.
         # ------
-        self.serio = SERIOCore(serwb_core=self.serwb_slave_core)
+        self.serio0 = SERIOCore(serwb_core=self.serwb_slave_core, port=1)
+        self.serio1 = SERIOCore(serwb_core=self.serwb_slave_core, port=2)
 
         # Increment Inputs every 100ms as PoC.
         # ------------------------------------
         self.serio_timer = WaitTimer(100e-3*sys_clk_freq)
         self.comb += self.serio_timer.wait.eq(~self.serio_timer.done)
-        self.sync += If(self.serio_timer.done, self.serio.i.eq(self.serio.i + 1))
+        self.sync += If(self.serio_timer.done, self.serio0.i.eq(self.serio0.i + 1))
+        self.sync += If(self.serio_timer.done, self.serio1.i.eq(self.serio1.i + 2))
 
         # Leds -------------------------------------------------------------------------------------
         self.comb += [