# AWK program to parse CSV into C header
#
# (c) 2014 protological.com\CLI Systems LLC clisystems.com
#
# 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/>.
    

function redefine(from, to)
{
     printf("#ifdef __%s__\n#define __%s__\n#endif\n",from,to)
}

BEGIN{
    FS = ",";
    
    #print "Proc, Flash KBytes, RAM Bytes, EEPROM bytes";
    i = 0;
    DEBUG = 0
    
print "///////////////////////////////////////////////////////////////////////////////////////////\n \
// PIC selection header, do not modify\n \
// Copyright 2014\n \
//\n \
///////////////////////////////////////////////////////////////////////////////////////////"
    print "#ifndef __PIC__"
    print "#define __PIC__"
    
    
    print "\n//Some parts are 5volt 'V' versions of 3.3volt parts"
    redefine("PIC24FV16KA301","PIC24F16KA301")
    redefine("PIC24FV16KA302","PIC24F16KA302")
    redefine("PIC24FV16KA303","PIC24F16KA303")
    redefine("PIC24FV16KA304","PIC24F16KA304")
    redefine("PIC24FV32KA301","PIC24F32KA301")
    redefine("PIC24FV32KA302","PIC24F32KA302")
    redefine("PIC24FV32KA303","PIC24F32KA303")
    redefine("PIC24FV32KA304","PIC24F32KA304")
    print "\n// Setup the values for the part"
}
{
    if(i>0)
    {
        gsub(/\"/, "", $1);
        # Handle the first case
        if(i == 1)
            print "#if defined(__" $1 "__)";
        else
            print "#elif defined(__" $1 "__)";
        
        # This defines the processor family
        if(substr($1, 1, 5)=="dsPIC")
            print "  #define " substr($1, 1, 8)
        else
            print "  #define " substr($1, 1, 6)
        
        #// 66K bytes flash, 22K instruction, 4096 bytes RAM, 1024 bytes eeprom
        #// Max address = (instructions  *1024 *2) = 0xB000
        
        # print out the definitions per processor
        gsub(/\"/, "", $5);
        maxaddr = (($5/3)*1024 *2)
        #print "  #include p" $1 ".h"
        printf("  #define FLASH_MAX_ADDRESS 0x%05X\n" , maxaddr)
        printf("  #define FLASH_BYTES %d\n" , ($5*1024))
        gsub(/\"/, "", $7);
        printf("  #define RAM_BYTES %d // 0x%06X\n", $7, $7)
        gsub(/\"/, "", $8);
        printf("  #define EEPROM_BYTES %d // 0x%06X\n", $8, $8)
            
        # DEBUG
        if(DEBUG)
        {
            print "  #warning \"Selected processor " $1 ", " $5 ", " $7 ", " $8 "\""
            #print $1 "," $5 "," $7 "," $8;
        }
    }
    i = i+1;
}

END{
    print "#else"
    print "#error \"Error, no processor defined\""
    print "#endif\n";
    
    # Don't support E processors?
    #print "#if defined(dsPIC33E) || defined(PIC24E)\n#error \"PIC24E/dsPIC33E devices not supported at this time\"\n#endif"
    
    print "#ifdef dsPIC30F"
    if(DEBUG) print "\n#warning \"dsPIC30F Family\""
    print "#define USER_SPACE_START 0x100\n#endif"
    
    print "#ifdef dsPIC33F"
    if(DEBUG) print "#warning \"dsPIC33F Family\""
    print "#define USER_SPACE_START 0x200\n#endif"
    
    print "#ifdef dsPIC33E"
    if(DEBUG) print "#warning \"dsPIC33E Family\""
    print "#define USER_SPACE_START 0x200\n#endif"
    
    print "#ifdef PIC24F"
    if(DEBUG) print "#warning \"PIC24F Family\""
    print "#define USER_SPACE_START 0x200\n#endif"
    
    print "#ifdef PIC24H"
    if(DEBUG) "#warning \"PIC24H Family\""
    print "#define USER_SPACE_START 0x200\n#endif"
    
    print "#ifdef PIC24E"
    if(DEBUG) "#warning \"PIC24E Family\""
    print "#define USER_SPACE_START 0x200\n#endif"
   
    
    # Include guard"
    print "\n#endif // End include guard"
}