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Implement debugWire programming support. Several limitations are

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imposed by debugWire itself, so effectively, only flash ROM can be
read and written.

Currently, the required changes to avrdude.conf.in are only present
for the ATtiny44.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@688 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2006-11-20 23:23:37 +00:00
parent 432ee9035b
commit 9b9df3e773
9 changed files with 477 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
config_gram.y
View File

@@ -88,6 +88,7 @@ static int parse_cmdbits(OPCODE * op);
%token K_DEFAULT_SERIAL
%token K_DESC
%token K_DEVICECODE
%token K_DRAGON_DW
%token K_DRAGON_HVSP
%token K_DRAGON_ISP
%token K_DRAGON_JTAG
@@ -101,6 +102,7 @@ static int parse_cmdbits(OPCODE * op);
%token K_IO
%token K_JTAG_MKI
%token K_JTAG_MKII
%token K_JTAG_MKII_DW
%token K_JTAG_MKII_ISP
%token K_LOADPAGE
%token K_MAX_WRITE_DELAY
@@ -194,10 +196,12 @@ static int parse_cmdbits(OPCODE * op);
*/
%token K_ENABLEPAGEPROGRAMMING /* ? yes for mega256*, mega406 */
%token K_HAS_JTAG /* MCU has JTAG i/f. */
%token K_HAS_DW /* MCU has debugWire i/f. */
%token K_IDR /* address of OCD register in IO space */
%token K_RAMPZ /* address of RAMPZ reg. in IO space */
%token K_SPMCR /* address of SPMC[S]R in memory space */
%token K_EECR /* address of EECR in memory space */
%token K_FLASH_INSTR /* flash instructions */
%token TKN_COMMA
%token TKN_EQUAL
@@ -435,12 +439,24 @@ prog_parm :
}
} |
K_TYPE TKN_EQUAL K_JTAG_MKII_DW {
{
jtagmkII_dw_initpgm(current_prog);
}
} |
K_TYPE TKN_EQUAL K_JTAG_MKII_ISP {
{
stk500v2_jtagmkII_initpgm(current_prog);
}
} |
K_TYPE TKN_EQUAL K_DRAGON_DW {
{
jtagmkII_dragon_dw_initpgm(current_prog);
}
} |
K_TYPE TKN_EQUAL K_DRAGON_HVSP {
{
stk500v2_dragon_hvsp_initpgm(current_prog);
@@ -703,6 +719,38 @@ part_parm :
}
} |
K_FLASH_INSTR TKN_EQUAL num_list {
{
TOKEN * t;
unsigned nbytes;
int ok;
nbytes = 0;
ok = 1;
while (lsize(number_list)) {
t = lrmv_n(number_list, 1);
if (nbytes < FLASH_INSTR_SIZE)
{
current_part->flash_instr[nbytes] = t->value.number;
nbytes++;
}
else
{
ok = 0;
}
free_token(t);
}
if (!ok)
{
fprintf(stderr,
"%s: Warning: line %d of %s: "
"too many bytes in flash instructions\n",
progname, lineno, infile);
}
}
} |
K_CHIP_ERASE_DELAY TKN_EQUAL TKN_NUMBER
{
current_part->chip_erase_delay = $3->value.number;
@@ -909,6 +957,16 @@ part_parm :
free_token($3);
} |
K_HAS_DW TKN_EQUAL yesno
{
if ($3->primary == K_YES)
current_part->flags |= AVRPART_HAS_DW;
else if ($3->primary == K_NO)
current_part->flags &= ~AVRPART_HAS_DW;
free_token($3);
} |
K_ALLOWFULLPAGEBITSTREAM TKN_EQUAL yesno
{
if ($3->primary == K_YES)