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avrdude/avrdude/pgm.c

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2002-2004 Brian S. Dean <bsd@bsdhome.com>
* Copyright 2007 Joerg Wunsch <j@uriah.heep.sax.de>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* $Id$ */
#include "ac_cfg.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "avrdude.h"
#include "pgm.h"
static int pgm_default_2 (struct programmer_t *, AVRPART *);
static int pgm_default_3 (struct programmer_t * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value);
static void pgm_default_4 (struct programmer_t *);
static int pgm_default_5 (struct programmer_t * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data);
static void pgm_default_6 (struct programmer_t *, const char *);
static int pgm_default_open (struct programmer_t *pgm, char * name)
{
fprintf (stderr, "\n%s: Fatal error: Programmer does not support open()",
progname);
exit(1);
}
static int pgm_default_led (struct programmer_t * pgm, int value)
{
/*
* If programmer has no LEDs, just do nothing.
*/
return 0;
}
static void pgm_default_powerup_powerdown (struct programmer_t * pgm)
{
/*
* If programmer does not support powerup/down, just do nothing.
*/
}
PROGRAMMER * pgm_new(void)
{
int i;
PROGRAMMER * pgm;
pgm = (PROGRAMMER *)malloc(sizeof(*pgm));
if (pgm == NULL) {
fprintf(stderr, "%s: out of memory allocating programmer structure\n",
progname);
exit(1);
}
memset(pgm, 0, sizeof(*pgm));
pgm->id = lcreat(NULL, 0);
pgm->desc[0] = 0;
pgm->type[0] = 0;
pgm->config_file[0] = 0;
pgm->lineno = 0;
pgm->baudrate = 0;
pgm->initpgm = NULL;
for (i=0; i<N_PINS; i++) {
pgm->pinno[i] = 0;
pin_clear_all(&(pgm->pin[i]));
}
/*
* mandatory functions - these are called without checking to see
* whether they are assigned or not
*/
pgm->initialize = pgm_default_2;
pgm->display = pgm_default_6;
pgm->enable = pgm_default_4;
pgm->disable = pgm_default_4;
pgm->powerup = pgm_default_powerup_powerdown;
pgm->powerdown = pgm_default_powerup_powerdown;
pgm->program_enable = pgm_default_2;
pgm->chip_erase = pgm_default_2;
pgm->open = pgm_default_open;
pgm->close = pgm_default_4;
pgm->read_byte = pgm_default_3;
pgm->write_byte = pgm_default_5;
/*
* predefined functions - these functions have a valid default
* implementation. Hence, they don't need to be defined in
* the programmer.
*/
pgm->rdy_led = pgm_default_led;
pgm->err_led = pgm_default_led;
pgm->pgm_led = pgm_default_led;
pgm->vfy_led = pgm_default_led;
/*
* optional functions - these are checked to make sure they are
* assigned before they are called
*/
pgm->cmd = NULL;
pgm->cmd_tpi = NULL;
pgm->spi = NULL;
pgm->paged_write = NULL;
pgm->paged_load = NULL;
pgm->write_setup = NULL;
pgm->read_sig_bytes = NULL;
pgm->set_vtarget = NULL;
pgm->set_varef = NULL;
pgm->set_fosc = NULL;
pgm->perform_osccal = NULL;
pgm->parseextparams = NULL;
pgm->setup = NULL;
pgm->teardown = NULL;
return pgm;
}
void pgm_free(PROGRAMMER * const p)
{
ldestroy_cb(p->id,free);
p->id = NULL;
/* this is done by pgm_teardown, but usually cookie is not set to NULL */
/* if (p->cookie !=NULL) {
free(p->cookie);
p->cookie = NULL;
}*/
free(p);
}
PROGRAMMER * pgm_dup(const PROGRAMMER const * src)
{
PROGRAMMER * pgm;
pgm = (PROGRAMMER *)malloc(sizeof(*pgm));
if (pgm == NULL) {
fprintf(stderr, "%s: out of memory allocating programmer structure\n",
progname);
exit(1);
}
memcpy(pgm, src, sizeof(*pgm));
pgm->id = lcreat(NULL, 0);
return pgm;
}
static void pgm_default(void)
{
fprintf(stderr, "%s: programmer operation not supported\n", progname);
}
static int pgm_default_2 (struct programmer_t * pgm, AVRPART * p)
{
pgm_default();
return -1;
}
static int pgm_default_3 (struct programmer_t * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value)
{
pgm_default();
return -1;
}
static void pgm_default_4 (struct programmer_t * pgm)
{
pgm_default();
}
static int pgm_default_5 (struct programmer_t * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data)
{
pgm_default();
return -1;
}
static void pgm_default_6 (struct programmer_t * pgm, const char * p)
{
pgm_default();
}
void programmer_display(PROGRAMMER * pgm, const char * p)
{
fprintf(stderr, "%sProgrammer Type : %s\n", p, pgm->type);
fprintf(stderr, "%sDescription : %s\n", p, pgm->desc);
pgm->display(pgm, p);
}
void pgm_display_generic_mask(PROGRAMMER * pgm, const char * p, unsigned int show)
{
if(show & (1<<PPI_AVR_VCC))
fprintf(stderr, "%s VCC = %s\n", p, pins_to_str(&pgm->pin[PPI_AVR_VCC]));
if(show & (1<<PPI_AVR_BUFF))
fprintf(stderr, "%s BUFF = %s\n", p, pins_to_str(&pgm->pin[PPI_AVR_BUFF]));
if(show & (1<<PIN_AVR_RESET))
fprintf(stderr, "%s RESET = %s\n", p, pins_to_str(&pgm->pin[PIN_AVR_RESET]));
if(show & (1<<PIN_AVR_SCK))
fprintf(stderr, "%s SCK = %s\n", p, pins_to_str(&pgm->pin[PIN_AVR_SCK]));
if(show & (1<<PIN_AVR_MOSI))
fprintf(stderr, "%s MOSI = %s\n", p, pins_to_str(&pgm->pin[PIN_AVR_MOSI]));
if(show & (1<<PIN_AVR_MISO))
fprintf(stderr, "%s MISO = %s\n", p, pins_to_str(&pgm->pin[PIN_AVR_MISO]));
if(show & (1<<PIN_LED_ERR))
fprintf(stderr, "%s ERR LED = %s\n", p, pins_to_str(&pgm->pin[PIN_LED_ERR]));
if(show & (1<<PIN_LED_RDY))
fprintf(stderr, "%s RDY LED = %s\n", p, pins_to_str(&pgm->pin[PIN_LED_RDY]));
if(show & (1<<PIN_LED_PGM))
fprintf(stderr, "%s PGM LED = %s\n", p, pins_to_str(&pgm->pin[PIN_LED_PGM]));
if(show & (1<<PIN_LED_VFY))
fprintf(stderr, "%s VFY LED = %s\n", p, pins_to_str(&pgm->pin[PIN_LED_VFY]));
}
void pgm_display_generic(PROGRAMMER * pgm, const char * p)
{
pgm_display_generic_mask(pgm, p, SHOW_ALL_PINS);
}
PROGRAMMER * locate_programmer(LISTID programmers, const char * configid)
{
LNODEID ln1, ln2;
PROGRAMMER * p = NULL;
const char * id;
int found;
found = 0;
for (ln1=lfirst(programmers); ln1 && !found; ln1=lnext(ln1)) {
p = ldata(ln1);
for (ln2=lfirst(p->id); ln2 && !found; ln2=lnext(ln2)) {
id = ldata(ln2);
if (strcasecmp(configid, id) == 0)
found = 1;
}
}
if (found)
return p;
return NULL;
}
/*
* Iterate over the list of programmers given as "programmers", and
* call the callback function cb for each entry found. cb is being
* passed the following arguments:
* . the name of the programmer (for -c)
* . the descriptive text given in the config file
* . the name of the config file this programmer has been defined in
* . the line number of the config file this programmer has been defined at
* . the "cookie" passed into walk_programmers() (opaque client data)
*/
void walk_programmers(LISTID programmers, walk_programmers_cb cb, void *cookie)
{
LNODEID ln1;
LNODEID ln2;
PROGRAMMER * p;
for (ln1 = lfirst(programmers); ln1; ln1 = lnext(ln1)) {
p = ldata(ln1);
for (ln2=lfirst(p->id); ln2; ln2=lnext(ln2)) {
cb(ldata(ln2), p->desc, p->config_file, p->lineno, cookie);
}
}
}
/*
* Compare function to sort the list of programmers
*/
static int sort_programmer_compare(PROGRAMMER * p1,PROGRAMMER * p2)
{
char* id1;
char* id2;
if(p1 == NULL || p2 == NULL) {
return 0;
}
id1 = ldata(lfirst(p1->id));
id2 = ldata(lfirst(p2->id));
return strncasecmp(id1,id2,AVR_IDLEN);
}
/*
* Sort the list of programmers given as "programmers"
*/
void sort_programmers(LISTID programmers)
{
lsort(programmers,(int (*)(void*, void*)) sort_programmer_compare);
}
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