Re: [avrdude-dev] [bug #26620] Cannot write to fuse bits[0,1,2,4,5]

[Vitaly V. Ch]

You must define fuse0 in avrdude config file.

\\wbr Vitaly Chernookiy

On Tue, May 19, 2009 at 5:39 PM, anonymous <address@hidden> wrote:
>
> URL:
>  <http://savannah.nongnu.org/bugs/?26620>
>
>                 Summary: Cannot write to fuse bits[0,1,2,4,5]
>                 Project: AVR Downloader/UploaDEr
>            Submitted by: None
>            Submitted on: Tue 19 May 2009 14:39:05 UTC
>                Category: None
>                Severity: 3 - Normal
>                Priority: 5 - Normal
>              Item Group: None
>                  Status: None
>                 Privacy: Public
>             Assigned to: None
>         Originator Name: Martin Edney
>        Originator Email: address@hidden
>             Open/Closed: Open
>         Discussion Lock: Any
>
>    _______________________________________________________
>
> Details:
>
> I can read the fuse bit value FUSE[0,1,2,4,5] but cannot right to them.  i
> have found where in the stk500v2.c code where it should be declared but it is
> not, I am using the ATXMEGA128A1 and avrispv2.
>
> Command prompt:
>
> avrdude -c stk500v2  -p x128a1  -P usb  -u -U fuse0:w:0xff:m
>
>
> G:\PRODUCTN\AVRDUDE\Brunel\A50-0232LF_Brunel Camera>avrdude -c stk500v2  -p
> x128
> a1  -P usb  -u -U fuse0:w:0xff:m
>
> avrdude: AVR device initialized and ready to accept instructions
>
> Reading | ################################################## | 100% 0.00s
>
> avrdude: Device signature = 0x1e974c
> avrdude: reading input file "0xff"
> avrdude: writing fuse0 (1 bytes):
>
> Writing |                                                    | 0%
> 0.00savrdude:
> stk600_xprog_write_byte(): unknown memory "fuse0"
>  ***failed;
> Writing | ################################################## | 100% 0.00s
>
> avrdude: 1 bytes of fuse0 written
> avrdude: verifying fuse0 memory against 0xff:
> avrdude: load data fuse0 data from input file 0xff:
> avrdude: input file 0xff contains 1 bytes
> avrdude: reading on-chip fuse0 data:
>
> Reading | ################################################## | 100% 0.02s
>
> avrdude: verifying ...
> avrdude: verification error, first mismatch at byte 0x0000
>         0xff != 0x7f
> avrdude: verification error; content mismatch
>
> avrdude done.  Thank you.
>
>
> G:\PRODUCTN\AVRDUDE\Brunel\A50-0232LF_Brunel Camera>PAUSE
> Press any key to continue . . .
>
> stk500v2.c code...
>
>
>
> static int stk600_xprog_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM *
> mem,
>                                   unsigned long addr, unsigned char data)
> {
>    unsigned char b[10];
>
>    /*
>     * Fancy offsets everywhere.
>     * This is probably what AVR079 means when writing about the
>     * "TIF address space".
>     */
>    if (strcmp(mem->desc, "flash") == 0) {
>        b[1] = XPRG_MEM_TYPE_APPL;
>        addr += 0x00800000;
>    }else if (strncmp(mem->desc, "fuse", strlen("fuse")) == 0) {
>        b[1] = XPRG_MEM_TYPE_FUSE;
>        addr += 0x008f0000;
>        )else if (strcmp(mem->desc, "boot") == 0) {
>        b[1] = XPRG_MEM_TYPE_BOOT;
>        addr += 0x00800000;
>    } else if (strcmp(mem->desc, "eeprom") == 0) {
>        b[1] = XPRG_MEM_TYPE_EEPROM;
>        addr += 0x008c0000;
>    } else if ( (strcmp(mem->desc, "lockbits") == 0) || ((strncmp(mem->desc,
> "fuse", 4)) == 0) )
>        b[1] = XPRG_MEM_TYPE_LOCKBITS;
>        addr += 0x008f0000;
>    } else if (strcmp(mem->desc, "usersig") == 0) {
>        b[1] = XPRG_MEM_TYPE_USERSIG;
>        addr += 0x008e0000;
>    }else {
>        fprintf(stderr,
>                "%s: stk600_xprog_write_byte(): unknown memory \"%s\"\n",
>                progname, mem->desc);
>        return -1;
>    }
>
> Can you help?
>
>
>
>
>    _______________________________________________________
>
> Reply to this item at:
>
>  <http://savannah.nongnu.org/bugs/?26620>
>
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