From 5de4d07c6db81a9ed21cd39aaef229fb94c4bb6b Mon Sep 17 00:00:00 2001
From: jjsuperpower <jjs29356@gmail.com>
Date: Sun, 26 Jun 2022 11:11:43 -0500
Subject: added template

---
 hdl_lab/hdl/constants.py  |  5 ++++
 hdl_lab/hdl/myhdl_wrap.py | 31 ++++++++++++++++++++++
 hdl_lab/hdl/shift_reg.py  |  1 -
 hdl_lab/hdl/template.py   | 67 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 hdl_lab/hdl/constants.py
 create mode 100644 hdl_lab/hdl/myhdl_wrap.py
 create mode 100644 hdl_lab/hdl/template.py

(limited to 'hdl_lab/hdl')

diff --git a/hdl_lab/hdl/constants.py b/hdl_lab/hdl/constants.py
new file mode 100644
index 0000000..d40d7c1
--- /dev/null
+++ b/hdl_lab/hdl/constants.py
@@ -0,0 +1,5 @@
+SIM_DIR = './simulation/'
+GEN_VERILOG = './gen_verilog/'
+
+IVERILOG = 'iverilog '
+VVP = 'vvp -M ./ -m myhdl '
\ No newline at end of file
diff --git a/hdl_lab/hdl/myhdl_wrap.py b/hdl_lab/hdl/myhdl_wrap.py
new file mode 100644
index 0000000..2e8fe4e
--- /dev/null
+++ b/hdl_lab/hdl/myhdl_wrap.py
@@ -0,0 +1,31 @@
+import os
+from myhdl import *
+from constants import *
+
+class Myhdl_Wrapper():
+    def __init__(self):
+        self.class_name = self.__class__.__name__
+
+    def _export(self, **kargs):
+        inst = getattr(self, self.class_name)(**kargs)
+        inst.convert(hdl='Verilog', path=GEN_VERILOG, name=f"{self.class_name}")
+        
+
+
+    # This function links myhdl to icarus verilog sim
+    def _cosim(self, **kargs): #these should have the same signals as logic(), 
+
+        iverilog_cmd = IVERILOG + f"-o {SIM_DIR}{self.class_name}.o {GEN_VERILOG}{self.class_name}.v {GEN_VERILOG}tb_{self.class_name}.v"
+        vvp_cmd = VVP + f"{SIM_DIR}{self.class_name}.o"
+
+        os.system(iverilog_cmd)
+        return Cosimulation(vvp_cmd, **kargs)
+
+    def sim(self):
+        tb = self.tb(getattr(self, self.class_name))
+        tb.config_sim(trace=True, tracebackup=False, directory=SIM_DIR, filename=f"{self.class_name}_sim")
+        tb.run_sim()
+
+    def cosim(self):
+        tb = self.tb(self._cosim)
+        tb.run_sim()
\ No newline at end of file
diff --git a/hdl_lab/hdl/shift_reg.py b/hdl_lab/hdl/shift_reg.py
index 28914f1..d463a9f 100644
--- a/hdl_lab/hdl/shift_reg.py
+++ b/hdl_lab/hdl/shift_reg.py
@@ -1,4 +1,3 @@
-from turtle import width
 from myhdl import *
 from myhdl_wrap import Myhdl_Wrapper
 
diff --git a/hdl_lab/hdl/template.py b/hdl_lab/hdl/template.py
new file mode 100644
index 0000000..09a6f7f
--- /dev/null
+++ b/hdl_lab/hdl/template.py
@@ -0,0 +1,67 @@
+from typing import Callable
+from myhdl import *
+from myhdl_wrap import Myhdl_Wrapper
+
+import random
+from random import randint
+
+random.seed(63)
+
+class Template(Myhdl_Wrapper):
+    def __init__(self):
+        super().__init__()
+
+    # Main code, this is the actual logic
+    @staticmethod
+    @block
+    def Template(args):  # this must be the same name as the class name
+
+        @instance
+        def logic():
+            ...
+
+        return logic
+
+
+    @block
+    def tb(self, func: Callable):
+        reset = Signal(False)
+        clk = Signal(bool(0))
+        ...
+
+        dut = func(..., clk=clk, reset=reset)
+
+        @always(delay(...))
+        def clock_gen():
+            clk.next = not clk
+
+        @instance
+        def monitor():
+            ...
+
+        @instance
+        def stimulus():
+            ...
+
+            raise StopSimulation
+
+
+        return dut, clock_gen, monitor, stimulus
+
+    def export(self):
+        reset = Signal(False)
+        clk = Signal(bool(0))
+        ...
+
+        # assigning signals, kargs only
+        self._export(..., clk=clk, reset=reset)
+
+
+def test_template_sim():
+    hdl = Template()
+    hdl.sim()
+
+def test_template_cosim():
+    hdl = Template()
+    hdl.export()
+    hdl.cosim()
-- 
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