From 064faff0677f105e6a317f858bb09df57ca18511 Mon Sep 17 00:00:00 2001
From: jjsuperpower <jjs29356@gmail.com>
Date: Thu, 4 Aug 2022 22:41:26 -0500
Subject: deprecated all myhdl stuff, moving to Amaranth

---
 hdl_lab/hdl/reset_sync.py | 109 ----------------------------------------------
 1 file changed, 109 deletions(-)
 delete mode 100644 hdl_lab/hdl/reset_sync.py

(limited to 'hdl_lab/hdl/reset_sync.py')

diff --git a/hdl_lab/hdl/reset_sync.py b/hdl_lab/hdl/reset_sync.py
deleted file mode 100644
index af03075..0000000
--- a/hdl_lab/hdl/reset_sync.py
+++ /dev/null
@@ -1,109 +0,0 @@
-from typing import Callable
-from myhdl import *
-from myhdl_wrap import Myhdl_Wrapper
-
-import random
-from random import randint
-
-random.seed(13)
-
-class ResetSync(Myhdl_Wrapper):
-    def __init__(self):
-        super().__init__()
-
-    # Main code, this is the actual logic
-    @staticmethod
-    @block
-    def ResetSync(clk : Signal, async_reset : Signal, sync_reset : Signal):  # this must be the same name as the class name
-
-        sync = Signal(False)
-        guard = sync_reset
-
-        @instance
-        def logic():
-            while True:
-                yield clk.posedge, async_reset.negedge
-
-                if not async_reset:
-                    guard.next = False
-                    sync.next = False
-                else:
-                    guard.next = sync
-                    sync.next = True
-
-        return logic
-
-
-    @block
-    def tb(self, func: Callable):
-        async_reset = Signal(False)
-        sync_reset = Signal(False)
-        clk = Signal(False)
-
-        dut = func(clk=clk, async_reset=async_reset, sync_reset=sync_reset)
-
-        @always(delay(2))
-        def clock_gen():
-            clk.next = not clk
-
-        @instance
-        def monitor_async():
-            while True:
-                yield async_reset.negedge
-                yield delay(1)
-                assert sync_reset == False, 'Reset not asynchronous on falling edge'
-
-        @instance
-        def monitor_sync():
-            while True:
-                yield async_reset.posedge
-
-                assert sync_reset == False, 'sync Reset did not wait for first clock positive edge'
-
-                yield clk.posedge, async_reset.negedge
-                if async_reset == True:
-                    yield delay(0)
-                    assert sync_reset == False, 'sync Reset did not wait for second clock positive edge'
-
-                    yield clk.posedge, async_reset.negedge
-                    if async_reset == True:
-                        yield delay(0)
-                        assert sync_reset == True, 'sync Reset did not set'
-
-
-
-        @instance
-        def stimulus():
-            for _ in range(500):
-                yield delay(randint(0,20))
-
-                if (now()+2) % 4 == 0:  # do not create rising edge of reset and clk at the same time
-                    yield(delay(1))
-
-                async_reset.next = True
-                yield delay(randint(0, 20))
-                async_reset.next = False
-
-            raise StopSimulation
-
-
-        return dut, clock_gen, monitor_async, monitor_sync, stimulus
-
-    def export(self):
-        async_reset = Signal(False)
-        sync_reset = Signal(False)
-        clk = Signal(bool(0))
-
-        # assigning signals, kargs only
-        self._export(clk=clk, async_reset=async_reset, sync_reset=sync_reset)
-
-
-def test_reset_sync_sim():
-    hdl = ResetSync()
-    hdl.sim()
-
-def test_reset_sync_cosim():
-    hdl = ResetSync()
-    hdl.export()
-    hdl.cosim()
-
-- 
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