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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000, 2001, 2002, 2003 Brian S. Dean <bsd@bsdhome.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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id$ */
%{
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "config.h"
#include "lists.h"
#include "pindefs.h"
#include "ppi.h"
#include "pgm.h"
#include "stk500.h"
#include "avr.h"
extern char * progname;
int yylex(void);
int yyerror(char * errmsg);
static int assign_pin(int pinno, TOKEN * v);
static int which_opcode(TOKEN * opcode);
static int parse_cmdbits(OPCODE * op);
%}
%token K_READ
%token K_WRITE
%token K_READ_LO
%token K_READ_HI
%token K_WRITE_LO
%token K_WRITE_HI
%token K_LOADPAGE_LO
%token K_LOADPAGE_HI
%token K_WRITEPAGE
%token K_CHIP_ERASE
%token K_PGM_ENABLE
%token K_MEMORY
%token K_PAGE_SIZE
%token K_PAGED
%token K_BUFF
%token K_CHIP_ERASE_DELAY
%token K_DESC
%token K_DEVICECODE
%token K_EEPROM
%token K_ERRLED
%token K_FLASH
%token K_ID
%token K_LOADPAGE
%token K_MAX_WRITE_DELAY
%token K_MIN_WRITE_DELAY
%token K_MISO
%token K_MOSI
%token K_NUM_PAGES
%token K_PART
%token K_PGMLED
%token K_PPI
%token K_PROGRAMMER
%token K_PWROFF_AFTER_WRITE
%token K_RDYLED
%token K_READBACK_P1
%token K_READBACK_P2
%token K_READMEM
%token K_RESET
%token K_SCK
%token K_SIZE
%token K_STK500
%token K_TYPE
%token K_VCC
%token K_VFYLED
%token K_WRITEPAGE
%token K_NO
%token K_YES
%token TKN_COMMA
%token TKN_EQUAL
%token TKN_SEMI
%token TKN_NUMBER
%token TKN_STRING
%token TKN_ID
%start config
%%
config :
def |
config def
;
def :
prog_def TKN_SEMI |
part_def TKN_SEMI
;
prog_def :
K_PROGRAMMER
{ current_prog = pgm_new(); }
prog_parms
{
if (lsize(current_prog->id) == 0) {
fprintf(stderr,
"%s: error at %s:%d: required parameter id not specified\n",
progname, infile, lineno);
exit(1);
}
if (current_prog->type[0] == 0) {
fprintf(stderr, "%s: error at %s:%d: programmer type not specified\n",
progname, infile, lineno);
exit(1);
}
ladd(programmers, current_prog);
current_prog = NULL;
}
;
part_def :
K_PART
{ current_part = avr_new_part(); }
part_parms
{
LNODEID ln;
AVRMEM * m;
if (current_part->id[0] == 0) {
fprintf(stderr,
"%s: error at %s:%d: required parameter id not specified\n",
progname, infile, lineno);
exit(1);
}
/*
* perform some sanity checking, and compute the number of bits
* to shift a page for constructing the page address for
* page-addressed memories.
*/
for (ln=lfirst(current_part->mem); ln; ln=lnext(ln)) {
m = ldata(ln);
if (m->paged) {
if (m->page_size == 0) {
fprintf(stderr,
"%s: error at %s:%d: must specify page_size for paged "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (m->num_pages == 0) {
fprintf(stderr,
"%s: error at %s:%d: must specify num_pages for paged "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (m->size != m->page_size * m->num_pages) {
fprintf(stderr,
"%s: error at %s:%d: page size (%u) * num_pages (%u) = "
"%u does not match memory size (%u)\n",
progname, infile, lineno,
m->page_size,
m->num_pages,
m->page_size * m->num_pages,
m->size);
exit(1);
}
}
}
ladd(part_list, current_part);
current_part = NULL;
}
;
string_list :
TKN_STRING { ladd(string_list, $1); } |
string_list TKN_COMMA TKN_STRING { ladd(string_list, $3); }
;
num_list :
TKN_NUMBER { ladd(number_list, $1); } |
num_list TKN_COMMA TKN_NUMBER { ladd(number_list, $3); }
;
prog_parms :
prog_parm TKN_SEMI |
prog_parms prog_parm TKN_SEMI
;
prog_parm :
K_ID TKN_EQUAL string_list {
{
TOKEN * t;
while (lsize(string_list)) {
t = lrmv_n(string_list, 1);
ladd(current_prog->id, dup_string(t->value.string));
free_token(t);
}
}
} |
K_TYPE TKN_EQUAL K_PPI {
{
ppi_initpgm(current_prog);
}
} |
K_TYPE TKN_EQUAL K_STK500 {
{
stk500_initpgm(current_prog);
}
} |
K_DESC TKN_EQUAL TKN_STRING {
strncpy(current_prog->desc, $3->value.string, PGM_DESCLEN);
current_prog->desc[PGM_DESCLEN-1] = 0;
free_token($3);
} |
K_VCC TKN_EQUAL num_list {
{
TOKEN * t;
int pin;
current_prog->pinno[PPI_AVR_VCC] = 0;
while (lsize(number_list)) {
t = lrmv_n(number_list, 1);
pin = t->value.number;
if ((pin < 2) || (pin > 9)) {
fprintf(stderr,
"%s: error at line %d of %s: VCC must be one or more "
"pins from the range 2-9\n",
progname, lineno, infile);
exit(1);
}
current_prog->pinno[PPI_AVR_VCC] |= (1 << (pin-2));
free_token(t);
}
}
} |
K_BUFF TKN_EQUAL num_list {
{
TOKEN * t;
int pin;
current_prog->pinno[PPI_AVR_BUFF] = 0;
while (lsize(number_list)) {
t = lrmv_n(number_list, 1);
pin = t->value.number;
if ((pin < 2) || (pin > 9)) {
fprintf(stderr,
"%s: error at line %d of %s: BUFF must be one or more "
"pins from the range 2-9\n",
progname, lineno, infile);
exit(1);
}
current_prog->pinno[PPI_AVR_BUFF] |= (1 << (pin-2));
free_token(t);
}
}
} |
K_RESET TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_RESET, $3); } |
K_SCK TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_SCK, $3); } |
K_MOSI TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_MOSI, $3); } |
K_MISO TKN_EQUAL TKN_NUMBER { assign_pin(PIN_AVR_MISO, $3); } |
K_ERRLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_ERR, $3); } |
K_RDYLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_RDY, $3); } |
K_PGMLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_PGM, $3); } |
K_VFYLED TKN_EQUAL TKN_NUMBER { assign_pin(PIN_LED_VFY, $3); }
;
opcode :
K_READ |
K_WRITE |
K_READ_LO |
K_READ_HI |
K_WRITE_LO |
K_WRITE_HI |
K_LOADPAGE_LO |
K_LOADPAGE_HI |
K_WRITEPAGE |
K_CHIP_ERASE |
K_PGM_ENABLE
;
part_parms :
part_parm TKN_SEMI |
part_parms part_parm TKN_SEMI
;
part_parm :
K_ID TKN_EQUAL TKN_STRING
{
strncpy(current_part->id, $3->value.string, AVR_IDLEN);
current_part->id[AVR_IDLEN-1] = 0;
free_token($3);
} |
K_DESC TKN_EQUAL TKN_STRING
{
strncpy(current_part->desc, $3->value.string, AVR_DESCLEN);
current_part->desc[AVR_DESCLEN-1] = 0;
free_token($3);
} |
K_DEVICECODE TKN_EQUAL TKN_NUMBER {
{
current_part->devicecode = $3->value.number;
free_token($3);
}
} |
K_CHIP_ERASE_DELAY TKN_EQUAL TKN_NUMBER
{
current_part->chip_erase_delay = $3->value.number;
free_token($3);
} |
/*
K_EEPROM { current_mem = AVR_M_EEPROM; }
mem_specs |
K_FLASH { current_mem = AVR_M_FLASH; }
mem_specs |
*/
K_MEMORY TKN_STRING
{
current_mem = avr_new_memtype();
strcpy(current_mem->desc, strdup($2->value.string));
free_token($2);
}
mem_specs
{
ladd(current_part->mem, current_mem);
current_mem = NULL;
} |
opcode TKN_EQUAL string_list {
{
int opnum;
OPCODE * op;
opnum = which_opcode($1);
op = avr_new_opcode();
parse_cmdbits(op);
current_part->op[opnum] = op;
free_token($1);
}
}
;
yesno :
K_YES | K_NO
;
mem_specs :
mem_spec TKN_SEMI |
mem_specs mem_spec TKN_SEMI
;
mem_spec :
K_PAGED TKN_EQUAL yesno
{
current_mem->paged = $3->primary == K_YES ? 1 : 0;
free_token($3);
} |
K_SIZE TKN_EQUAL TKN_NUMBER
{
current_mem->size = $3->value.number;
free_token($3);
} |
K_PAGE_SIZE TKN_EQUAL TKN_NUMBER
{
current_mem->page_size = $3->value.number;
free_token($3);
} |
K_NUM_PAGES TKN_EQUAL TKN_NUMBER
{
current_mem->num_pages = $3->value.number;
free_token($3);
} |
K_MIN_WRITE_DELAY TKN_EQUAL TKN_NUMBER
{
current_mem->min_write_delay = $3->value.number;
free_token($3);
} |
K_MAX_WRITE_DELAY TKN_EQUAL TKN_NUMBER
{
current_mem->max_write_delay = $3->value.number;
free_token($3);
} |
K_PWROFF_AFTER_WRITE TKN_EQUAL yesno
{
current_mem->pwroff_after_write = $3->primary == K_YES ? 1 : 0;
free_token($3);
} |
K_READBACK_P1 TKN_EQUAL TKN_NUMBER
{
current_mem->readback[0] = $3->value.number;
free_token($3);
} |
K_READBACK_P2 TKN_EQUAL TKN_NUMBER
{
current_mem->readback[1] = $3->value.number;
free_token($3);
} |
opcode TKN_EQUAL string_list {
{
int opnum;
OPCODE * op;
opnum = which_opcode($1);
op = avr_new_opcode();
parse_cmdbits(op);
current_mem->op[opnum] = op;
free_token($1);
}
}
;
%%
#if 0
static char * vtypestr(int type)
{
switch (type) {
case V_NUM : return "NUMERIC";
case V_STR : return "STRING";
default:
return "<UNKNOWN>";
}
}
#endif
static int assign_pin(int pinno, TOKEN * v)
{
int value;
value = v->value.number;
if ((value <= 0) || (value >= 18)) {
fprintf(stderr,
"%s: error at line %d of %s: pin must be in the "
"range 1-17\n",
progname, lineno, infile);
exit(1);
}
current_prog->pinno[pinno] = value;
return 0;
}
static int which_opcode(TOKEN * opcode)
{
switch (opcode->primary) {
case K_READ : return AVR_OP_READ; break;
case K_WRITE : return AVR_OP_WRITE; break;
case K_READ_LO : return AVR_OP_READ_LO; break;
case K_READ_HI : return AVR_OP_READ_HI; break;
case K_WRITE_LO : return AVR_OP_WRITE_LO; break;
case K_WRITE_HI : return AVR_OP_WRITE_HI; break;
case K_LOADPAGE_LO : return AVR_OP_LOADPAGE_LO; break;
case K_LOADPAGE_HI : return AVR_OP_LOADPAGE_HI; break;
case K_WRITEPAGE : return AVR_OP_WRITEPAGE; break;
case K_CHIP_ERASE : return AVR_OP_CHIP_ERASE; break;
case K_PGM_ENABLE : return AVR_OP_PGM_ENABLE; break;
default :
fprintf(stderr,
"%s: error at %s:%d: invalid opcode\n",
progname, infile, lineno);
exit(1);
break;
}
}
static int parse_cmdbits(OPCODE * op)
{
TOKEN * t;
int bitno;
char ch;
char * e;
char * q;
int len;
char * s, *brkt;
bitno = 32;
while (lsize(string_list)) {
t = lrmv_n(string_list, 1);
s = strtok_r(t->value.string, " ", &brkt);
while (s != NULL) {
bitno--;
if (bitno < 0) {
fprintf(stderr,
"%s: error at %s:%d: too many opcode bits for instruction\n",
progname, infile, lineno);
exit(1);
}
len = strlen(s);
if (len == 0) {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"\"\n",
progname, infile, lineno);
exit(1);
}
ch = s[0];
if (len == 1) {
switch (ch) {
case '1':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 1;
op->bit[bitno].bitno = bitno % 8;
break;
case '0':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'x':
op->bit[bitno].type = AVR_CMDBIT_IGNORE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'a':
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = 8*(bitno/8) + bitno % 8;
break;
case 'i':
op->bit[bitno].type = AVR_CMDBIT_INPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'o':
op->bit[bitno].type = AVR_CMDBIT_OUTPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
default :
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier '%c'\n",
progname, infile, lineno, ch);
exit(1);
break;
}
}
else {
if (ch == 'a') {
q = &s[1];
op->bit[bitno].bitno = strtol(q, &e, 0);
if ((e == q)||(*e != 0)) {
fprintf(stderr,
"%s: error at %s:%d: can't parse bit number from \"%s\"\n",
progname, infile, lineno, q);
exit(1);
}
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
}
else {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"%s\"\n",
progname, infile, lineno, s);
exit(1);
}
}
s = strtok_r(NULL, " ", &brkt);
}
free_token(t);
} /* while */
return 0;
}
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