#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#
# Copyright 2012-2017 Frédéric Magniette, Miguel Rubio-Roy
# This file is part of Pyrame.
#
# Pyrame is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrame is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrame. If not, see <http://www.gnu.org/licenses/>
import pools,common_roc
def init():
common_roc.nb_chans=64
skiroc2cms_pool=pools.pool("skiroc2cms")
skiroc2cms_bs_length=384
#************************* BITSTREAM MANIPULATION FUNCTIONS ***************
# **************************************************************************
# chipid
# **************************************************************************
def extract_chipid(skiroc2cms):
return str(int(skiroc2cms["bitstream_bin"][23:31],2))
def set_chipid(skiroc2cms_id,skiroc2cms):
idbin=common_roc.split_bin(common_roc.bin2gray(int(skiroc2cms["chipid"])),8)
return common_roc.apply_to_roc(skiroc2cms_pool,skiroc2cms_id,extract_chipid,common_roc.apply_mask,"undef",23,idbin)
[docs]def set_chipid_param_skiroc2cms(skiroc2cms_id,chipid):
"set the chipid of a skiroc2cms chip on the pool"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
if chipid!="undef":
skiroc2cms["chipid"]=chipid
return 1,"ok"
[docs]def get_chipid_skiroc2cms(skiroc2cms_id):
"get the chipid of a skiroc2cms"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
return 1,"chipid=%s"%(skiroc2cms["chipid"])
#********************************** GENERAL PUBLIC FUNCTIONS ***************
[docs]def dump_sc_skiroc2cms(skiroc2cms_id):
"Returns bitstream of *skiroc2cms_id* in binary format"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
#return the bitstream
bitstream=skiroc2cms["bitstream_bin"] if not skiroc2cms["missing"] else ""
return 1,bitstream
[docs]def set_missing_skiroc2cms(skiroc2cms_id,missing):
"Set skiroc2cms missing state"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
skiroc2cms["missing"]=1 if missing=="1" else 0
return 1,"ok"
[docs]def explain_sc_skiroc2cms(skiroc2cms_id):
"Explains the content of a bitsteam in human readable form"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
if skiroc2cms["bitstream"]!="0x%s"%(common_roc.bin2hexa(skiroc2cms["bitstream_bin"],msb_padding=False)):
return 0,"invalid hex bitstream"
print("hexa bitstream: ")
print("0x"+skiroc2cms["bitstream"].upper())
print("binary bitstream: ")
print("0b"+skiroc2cms["bitstream_bin"])
chipid=extract_chipid(skiroc2cms)
print("Chipid in gray: %s"%(chipid))
return 1,"ok"
#****************************** PHASES *************************************
[docs]def init_skiroc2cms(skiroc2cms_id):
"Initialize a skiroc2cms"
skiroc2cms_pool.new(skiroc2cms_id,{"missing":0})
return 1,"ok"
[docs]def deinit_skiroc2cms(skiroc2cms_id):
"Deinitialize skiroc2cms *skiroc2cms_id*"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 1,str(e)
skiroc2cms_pool.remove(skiroc2cms_id)
return 1,"ok"
[docs]def config_skiroc2cms(skiroc2cms_id,file,bitstream):
"Prepare the bitstream for configuring a chip"
try:
skiroc2cms=skiroc2cms_pool.get(skiroc2cms_id)
except Exception as e:
return 0,str(e)
#empty the bitstream
skiroc2cms["bitstream_bin"]=""
#load bitstream
if bitstream!="undef":
retcode,res=common_roc.load_str(bitstream,skiroc2cms_bs_length)
if retcode==0:
return 0,"cant parse bitstream: %s"%(res)
skiroc2cms["bitstream_bin"]=res
#load bitstream from file
if file!="undef":
retcode,res=common_roc.load_file(file,skiroc2cms_bs_length)
if retcode==0:
return 0,"cant open config file: %s"%(res)
skiroc2cms["bitstream_bin"]=res
if skiroc2cms["bitstream_bin"]=="":
return 0,"no bitstream defined for skiroc2cms %s"%(skiroc2cms_id)
#set chip id
retcode,res=set_chipid(skiroc2cms_id,skiroc2cms)
if retcode==0:
return 0,"cant set chipid: %s"%(res)
#update the bitstream in cmod
common_roc.update_bitstream(skiroc2cms)
return 1,"ok"
[docs]def get_param_skiroc2cms(skiroc2cms_id,param_name):
"parameter extraction"
return common_roc.get_param_roc(skiroc2cms_pool,skiroc2cms_id,param_name)
