Sample Program for article on Medium

lib_jtag_core/test/apps/py3/py3UI.py

@@ -2,6 +2,7 @@
 Sample program showing import of external library in Python 3
 """
 from __future__ import print_function
+from turtle import color
 import bindings as SWIGHERE
 import json
 from tkinter import *
@@ -26,7 +27,54 @@ def __enter__(self):
  def __exit__(self,exType,exValue,trace):
  SWIGHERE.pyUninitSwigHere();
 
-def pinsToChains(chainListDict,pincount,chainMembers):
+def connectPinToChains(canvas,pin,member,pincount,chaincountCeil3,canvasWidth,canvasHeight,chainMargin,chainSpacing,pinMargin,pinSpacing):
+ print(member)
+ if pin in range(pincount//4):
+ x = canvasWidth - pinMargin - pinSpacing[0]//2
+ y = pinMargin + pinSpacing[1]//2 + pinSpacing[1]*(pin%(pincount//4))
+ elif pin in range(pincount//4,pincount//2):
+ y = canvasWidth-pinMargin-pinSpacing[1]//2
+ x = canvasWidth - pinMargin - pinSpacing[0]//2 - pinSpacing[0]*(pin%(pincount//4))
+ elif pin in range(pincount//2,3*pincount//4):
+ x = pinMargin + pinSpacing[0]//2
+ y = canvasWidth - pinMargin - pinSpacing[1]//2 - pinSpacing[1]*(pin%(pincount//4))
+ else:
+ y = pinMargin + pinSpacing[1]//2
+ x = pinMargin + pinSpacing[0]//2 + pinSpacing[0]*(pin%(pincount//4))
+
+ for key in ["ctrl_bit","out_bit","in_bit"]:
+ chain = member[key]
+ if chain > 0:
+ if chain in range(chaincountCeil3//3):
+ xx = canvasWidth - chainMargin - chainSpacing[0]/2
+ yy = chainMargin + chainSpacing[1]/2 + chainSpacing[1]*(chain%(chaincountCeil3//3))
+ elif chain in range(chaincountCeil3//3,2*chaincountCeil3//3):
+ yy = canvasHeight-chainMargin-chainSpacing[1]/2
+ xx = canvasWidth - chainMargin - chainSpacing[0]/2 - chainSpacing[0]*(chain%(chaincountCeil3//3))
+ else:
+ xx = chainMargin + chainSpacing[0]/2
+ yy = canvasHeight - chainMargin - chainSpacing[1]/2 - chainSpacing[1]*(chain%(chaincountCeil3//3))
+
+ if key == "ctrl_bit":
+ lwidth = 2
+ fcolor = "gray"
+ larrow = NONE
+ else:
+ lwidth=1
+ fcolor="black"
+ if member["in_bit"] == member["out_bit"]:
+ larrow=BOTH
+ elif key=="out_bit":
+ larrow=LAST
+ else:
+ larrow=FIRST
+
+ canvas.create_line(
+ x,y,xx,yy,fill=fcolor,arrow=larrow,width=lwidth
+ )
+
+def pinsToChains(chainListDict,pinListJSON,chainMembers):
+ pincount = len(pinListJSON)
  chaincount = len(chainListDict.keys())
  canvasWidth = max(400,6*chaincount//4)
  canvasHeight = canvasWidth
@@ -35,7 +83,7 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  canvas = Canvas(app, bg='black')
  canvas.pack(anchor='nw', fill='both', expand=1)
  chainMargin=30
- pinMargin=90
+ pinMargin=chainMargin*8
  canvas.create_rectangle(
  chainMargin, chainMargin, canvasWidth-chainMargin, canvasHeight-chainMargin,
  outline="grey",
@@ -46,8 +94,9 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  outline="black",
  fill="grey"
  )
+ chaincountCeil3=chaincount+2
  chainSize = (canvasWidth-2*chainMargin,canvasHeight-2*chainMargin)
- chainSpacing = (chainSize[0]/(chaincount//4),chainSize[1]/(chaincount//4))
+ chainSpacing = (chainSize[0]/(chaincountCeil3//3),chainSize[1]/(chaincountCeil3//3))
  canvas.create_text(
  canvasWidth - chainMargin - chainSpacing[0],chainMargin + chainSpacing[1],
  anchor=NE,
@@ -57,18 +106,15 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  )
 
  for chain in range(chaincount):
- if chain in range(chaincount//4):
- x = canvasWidth - chainMargin - chainSpacing[0]//2
- y = chainMargin + chainSpacing[1]//2 + chainSpacing[1]*(chain%(chaincount//4))
- elif chain in range(chaincount//4,chaincount//2):
- y = canvasWidth-chainMargin-chainSpacing[1]//2
- x = canvasWidth - chainMargin - chainSpacing[0]//2 - chainSpacing[0]*(chain%(chaincount//4))
- elif chain in range(chaincount//2,3*chaincount//4):
- x = chainMargin + chainSpacing[0]//2
- y = canvasWidth - chainMargin - chainSpacing[1]//2 - chainSpacing[1]*(chain%(chaincount//4))
+ if chain in range(chaincountCeil3//3):
+ x = canvasWidth - chainMargin - chainSpacing[0]/2
+ y = chainMargin + chainSpacing[1]/2 + chainSpacing[1]*(chain%(chaincountCeil3//3))
+ elif chain in range(chaincountCeil3//3,2*chaincountCeil3//3):
+ y = canvasHeight-chainMargin-chainSpacing[1]/2
+ x = canvasWidth - chainMargin - chainSpacing[0]/2 - chainSpacing[0]*(chain%(chaincountCeil3//3))
  else:
- y = chainMargin + chainSpacing[1]//2
- x = chainMargin + chainSpacing[0]//2 + chainSpacing[0]*(chain%(chaincount//4))
+ x = chainMargin + chainSpacing[0]/2
+ y = canvasHeight - chainMargin - chainSpacing[1]/2 - chainSpacing[1]*(chain%(chaincountCeil3//3))
 
  canvas.create_oval(
  x-2, y-2, x+2, y+2,
@@ -83,7 +129,7 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  anchor=NE,
  fill="darkblue",
  font="Times 20 italic bold",
- text="1"
+ text=pinListJSON[0]["name"]
  )
 
  for pin in range(pincount):
@@ -106,11 +152,15 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  tag="pin%i"%pin
  )
 
+ for pin in chainMembers:
+ member = chainMembers[pin];
+ connectPinToChains(canvas,pin,member,pincount,chaincountCeil3,canvasWidth,canvasHeight,chainMargin,chainSpacing,pinMargin,pinSpacing)
+
  canvas.create_text(
  canvasWidth//2,canvasHeight//2,
  fill="darkblue",
  font="Times 20 italic bold",
- text="Floorplan showing relationship between pins and chains"
+ text="Floorplan showing relationship \n between pins and chains"
  )
 
  app.mainloop()
@@ -131,5 +181,5 @@ def pinsToChains(chainListDict,pincount,chainMembers):
  chain_positions=[pin[key] for key in ["ctrl_bit","out_bit","in_bit"] if pin[key]>=0]
  if any(chain_positions):
  chainMembers[pinnumber]=pin
- pinsToChains(chainListDict,len(pinList),chainMembers)
+ pinsToChains(chainListDict,pinListJSON,chainMembers)
 

lib_jtag_core/test/imports/epCoreJTAG.cxx

@@ -76,7 +76,7 @@ extern std::vector<pin_ctrl> epBSDLPinSequence(SWIGHERE_CONTEXT oContext, char *
  *pBytesPerElement = sizeof(pin_ctrl);
  }
  if(oContext==(SWIGHERE_CONTEXT)&garbageCollector) {
- const int sortPins=1;
+ const int sortPins=0;
  jtag_bsdl * details = jtag_bsdl_load_file(logger,MSG_DEBUG, sortPins, pathToBSDL);
  if ( details != NULL ) {
  int number_of_pins = details->number_of_pins;
@@ -102,7 +102,7 @@ extern std::vector<jtag_chain> epBSDLChainSequence(SWIGHERE_CONTEXT oContext, ch
  *pBytesPerElement = sizeof(jtag_chain);
  }
  if(oContext==(SWIGHERE_CONTEXT)&garbageCollector) {
- const int sortPins=1;
+ const int sortPins=0;
  jtag_bsdl * details = jtag_bsdl_load_file(logger,MSG_DEBUG, sortPins, pathToBSDL);
  if ( details != NULL ) {
  int number_of_chains = details->number_of_chainbits;