#!/usr/bin/env python
#
# Copyright 2010 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

import sys
from common import *

########################################################################
# Template for raw text data describing registers
# name addr[bit range inclusive] default optional enums
########################################################################
REGS_DATA_TMPL="""\
result           0[0:11]        0
mod              0[12]          0
chn              0[13]          0
"""

########################################################################
# Header and Source templates below
########################################################################
HEADER_TEXT="""
#import time

/***********************************************************************
 * This file was generated by $file on $time.strftime("%c")
 **********************************************************************/

\#ifndef INCLUDED_AD7922_REGS_HPP
\#define INCLUDED_AD7922_REGS_HPP

\#include <boost/cstdint.hpp>

struct ad7922_regs_t{
#for $reg in $regs
    #if $reg.get_enums()
    enum $(reg.get_name())_t{
        #for $i, $enum in enumerate($reg.get_enums())
        #set $end_comma = ',' if $i < len($reg.get_enums())-1 else ''
        $(reg.get_name().upper())_$(enum[0].upper()) = $enum[1]$end_comma
        #end for
    } $reg.get_name();
    #else
    boost::$reg.get_stdint_type() $reg.get_name();
    #end if
#end for

    ad7922_regs_t(void){
#for $reg in $regs
        $reg.get_name() = $reg.get_default();
#end for
    }

    boost::uint16_t get_reg(void){
        boost::uint16_t reg = 0;
        #for $reg in filter(lambda r: r.get_addr() == 0, $regs)
        reg |= (boost::uint32_t($reg.get_name()) & $reg.get_mask()) << $reg.get_shift();
        #end for
        return reg;
    }

    void set_reg(boost::uint16_t reg){
        #for $reg in filter(lambda r: r.get_addr() == 0, $regs)
        $reg.get_name() = (reg >> $reg.get_shift()) & $reg.get_mask();
        #end for
    }

};

\#endif /* INCLUDED_AD7922_REGS_HPP */
"""

if __name__ == '__main__':
    regs = map(reg, parse_tmpl(REGS_DATA_TMPL).splitlines())
    open(sys.argv[1], 'w').write(parse_tmpl(HEADER_TEXT, regs=regs, file=__file__))