Reorganize repository structure
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Telekatz
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364 changed files with 0 additions and 14028 deletions
389
Asixtool/bootcom.c
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389
Asixtool/bootcom.c
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/*
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bootcom.c - com routines for the asix on.chip bootloader
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Copyright (C) 2007 Ch. Klippel <ck@mamalala.net>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "bootcom.h"
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#include "stdio.h"
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#include "asix_serial.h"
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#include "infohelper.h"
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#include "fcntl.h"
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#include "unistd.h"
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#define MAXSECT 11
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extern char verbosity;
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char buf[5];
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char fbuf[0x080000];
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int do_erase;
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unsigned int sectors[MAXSECT+1] = {
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0x00000,
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0x04000,
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0x06000,
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0x08000,
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0x10000,
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0x20000,
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0x30000,
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0x40000,
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0x50000,
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0x60000,
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0x70000,
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0x80000
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};
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int findSect(unsigned long adr)
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{
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int secnum = 0;
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while((sectors[secnum] < adr) && (secnum < MAXSECT))
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{
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secnum++;
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}
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if(sectors[secnum] > adr)
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return secnum-1;
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else
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return secnum;
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}
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void dumpBuf()
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{
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printf("%02X %02X %02X %02X %02X\n",(unsigned char)buf[0],(unsigned char)buf[1],(unsigned char)buf[2],(unsigned char)buf[3],(unsigned char)buf[4]);
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}
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void sendCMD(unsigned char a, unsigned char b, unsigned char c, unsigned char d, unsigned char e)
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{
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buf[0] = a;
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buf[1] = b;
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buf[2] = c;
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buf[3] = d;
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buf[4] = e;
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sendBuf(5, buf);
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}
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int setAccessTime(unsigned char val)
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{
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sendCMD(0x81, 0x00, 0x00, 0x00, val);
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getBuf(1, buf);
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if(buf[0] == val)
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return 1;
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return 0;
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}
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int setIntervallTime(unsigned char val)
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{
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sendCMD(0x82, 0x00, 0x00, 0x00, val);
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getBuf(1, buf);
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if(buf[0] == val)
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return 1;
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return 0;
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}
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int readFlash(char *name, unsigned int start, unsigned int len)
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{
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FILE *outfile;
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unsigned int ret, count, cdone;
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unsigned char rollover = 0;
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outfile = fopen(name,"w");
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sendCMD(0x00, 0x00, 0x00, 0x00, 0x00);
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ret = getBuf(5, buf);
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cdone = 0;
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count = start+len;
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printInfoH(1, "bytes to read: ",len);
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for(;start<count;start++)
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{
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sendCMD(0x00, start & 0xFF, (start & 0xFF00) >> 8, (start & 0xFF0000) >> 16, 0x00);
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ret = getBuf(1, buf);
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if(ret == 1)
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{
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fprintf(outfile, "%c",(unsigned char)buf[0]);
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fflush(outfile);
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}
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else
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{
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printf("FAIL: %02i - %06X - %02X\n",ret, start, (unsigned char) buf[0]);
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fprintf(outfile, "%c",(unsigned char)buf[0]);
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fflush(outfile);
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}
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cdone++;
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if(rollover == 0)
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printProgress(0, "reading", cdone, len);
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rollover++;
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rollover &= 0x3F;
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}
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printProgress(0, "reading", cdone, len);
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fclose(outfile);
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return 1;
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}
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void resetFlash(unsigned int start)
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{
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sendCMD(0x80, 0x33, 0x03, (start & 0xFF0000) >> 16, 0xF0);
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getBuf(1, buf);
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}
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void closeWrite(unsigned int start)
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{
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sendCMD(0x80, 0x33, 0x03, (start & 0xFF0000) >> 16, 0x90);
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getBuf(1, buf);
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resetFlash(start);
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}
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int eraseFlash(unsigned int adr)
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{
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unsigned char base = (adr & 0xFF0000) >> 16;
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printInfoH(1, "erasing flash at ", adr & 0x00FF0000);
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sendCMD(0x80, 0x55, 0x05, base, 0xAA);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0xAA, 0x02, base, 0x55);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0x55, 0x05, base, 0x80);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0x55, 0x05, base, 0xAA);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0xAA, 0x02, base, 0x55);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0x55, 0x05, base, 0x10);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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waitErase:
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sendCMD(0x00, 0x00, 0x00, base, 0x00);
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if(!getBuf(1, buf))
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{
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goto bailOut1;
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}
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if(buf[0] == 0x0A || buf[0] == 0x4E)
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goto waitErase;
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if((unsigned char)buf[0] != 0xFF)
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goto bailOut2;
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printInfoS(1, "successfully erased flash", 0);
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resetFlash(adr);
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return 1;
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bailOut:
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return printError("cant issue chip erase sequence, aborting!");
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bailOut1:
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return printError("no response during chip erase active, aborting");
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bailOut2:
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return printError("cant erase chip, aborting");
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}
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int eraseSector(unsigned int adr)
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{
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unsigned char baseH = (adr & 0xFF0000) >> 16;
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unsigned char baseM = (adr & 0xFF00) >> 8;
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unsigned char baseL = adr & 0xFF;
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printInfoH(1, "erasing sector at ", adr);
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sendCMD(0x80, 0x55, 0x05, 0x00, 0xAA);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0xAA, 0x02, 0x00, 0x55);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0x55, 0x05, 0x00, 0x80);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0x55, 0x05, 0x00, 0xAA);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, 0xAA, 0x02, 0x00, 0x55);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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sendCMD(0x80, baseL, baseM, baseH, 0x30);
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if(!getBuf(1, buf))
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{
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goto bailOut;
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}
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waitErase:
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sendCMD(0x00, baseL, baseM, baseH, 0x00);
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if(!getBuf(1, buf))
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{
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goto bailOut1;
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}
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if(buf[0] == 0x0A || buf[0] == 0x4E)
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goto waitErase;
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if((unsigned char)buf[0] != 0xFF)
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goto bailOut2;
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printInfoS(1, "successfully erased sector",0);
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resetFlash(adr);
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return 1;
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bailOut:
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return printError("cant issue sector erase sequence");
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bailOut1:
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return printError("no response during secttor erase active");
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bailOut2:
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return printError("cant erase sector");
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}
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unsigned int writeFlash(char *name, unsigned int start, unsigned int len)
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{
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int infile, flen;
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unsigned int ret, count, cdone;
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unsigned char rollover = 0;
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sendCMD(0x00, 0x00, 0x00, 0x00, 0x00);
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ret = getBuf(1, buf);
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infile = open(name,O_RDONLY);
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flen = read(infile, fbuf, 0x80000);
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if(flen < len)
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{
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printInfoH(1, "adjusting number of bytes to ",flen);
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len = flen;
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}
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cdone = 0;
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count = start+len;
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if(do_erase)
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{
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unsigned char startsec, endsec;
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startsec = findSect(start);
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endsec = findSect(start+len-1);
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nextsect:
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if(!eraseSector(sectors[startsec]))
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{
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return(printError("error at auto-erase"));
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}
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if(startsec != endsec)
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{
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startsec++;
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goto nextsect;
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}
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}
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printInfoH(1, "bytes to write: ",len);
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retry:
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sendCMD(0x80, 0x55, 0x05, (start & 0xFF0000) >> 16, 0xAA);
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ret = getBuf(1, buf);
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sendCMD(0x80, 0xAA, 0x02, (start & 0xFF0000) >> 16, 0x55);
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ret = getBuf(1, buf);
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sendCMD(0x80, 0x55, 0x05, (start & 0xFF0000) >> 16, 0x20);
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ret = getBuf(1, buf);
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for(;start<count;start++)
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{
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sendCMD(0x80, 0x33, 0x03, (start & 0xFF0000) >> 16, 0xA0);
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ret = getBuf(1, buf);
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sendCMD(0xC0, start & 0xFF, (start & 0xFF00) >> 8, (start & 0xFF0000) >> 16, (unsigned char) fbuf[cdone]);
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ret = getBuf(2, buf);
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if(ret == 1)
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{
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sleep(1);
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closeWrite(start);
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printf("\nretrying\n");
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goto retry;
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}
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if((ret != 2))
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{
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closeWrite(start);
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return printError("error during write: short response");
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}
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if((unsigned char)fbuf[cdone] != (unsigned char)buf[1])
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{
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closeWrite(start);
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return printError("error during write: data mismatch");
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}
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cdone++;
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if(rollover == 0)
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printProgress(0, "writing", cdone, len);
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rollover++;
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rollover &= 0x3F;
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}
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printProgress(0, "writing", cdone, len);
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closeWrite(start);
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close(infile);
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return len;
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}
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