* Makefile.am (avrdude_SOURCES): Add avr910.[ch], serial.h and
ser_posix.c files. * avr910.c: New file (stubs for avr910 serial programmer). * avr910.h: New file. * ser_posix.c: New file. * ser_win32.c: New file (just stubs for now). * serial.h: New file. * stk500.c: Move all the code for accessing the posix serial ports into ser_posix. This will make a native win32 port easier and allows the avr910 programmer to share the serial code. git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@289 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Theodore A. Roth
parent
4a3b0ab75f
commit
09c3137489
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2003-03-12 Theodore A. Roth <troth@openavr.org>
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* Makefile.am (avrdude_SOURCES): Add avr910.[ch], serial.h and
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ser_posix.c files.
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* avr910.c: New file (stubs for avr910 serial programmer).
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* avr910.h: New file.
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* ser_posix.c: New file.
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* ser_win32.c: New file (just stubs for now).
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* serial.h: New file.
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* stk500.c: Move all the code for accessing the posix serial ports
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into ser_posix. This will make a native win32 port easier and allows
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the avr910 programmer to share the serial code.
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2003-03-12 Theodore A. Roth <troth@openavr.org>
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* configure.ac (AC_INIT): Set version to 4.0.0cvs since we're done
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@ -48,6 +48,8 @@ avrdude_SOURCES = \
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lexer.l \
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avr.c \
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avr.h \
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avr910.c \
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avr910.h \
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avrpart.h \
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config.c \
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config.h \
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@ -67,6 +69,9 @@ avrdude_SOURCES = \
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ppi.c \
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ppi.h \
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ppiwin.c \
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serial.h \
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ser_posix.c \
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ser_win32.c \
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stk500.c \
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stk500.h \
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stk500_private.h \
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@ -0,0 +1,216 @@
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/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* $Id$ */
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/*
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* avrdude interface for Atmel Low Cost Serial programmers which adher to the
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* protocol described in application note avr910.
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*/
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#include "ac_cfg.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "avr.h"
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#include "pgm.h"
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#include "avr910.h"
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#include "serial.h"
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extern char * progname;
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extern int do_cycles;
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static int avr910_send(PROGRAMMER * pgm, char * buf, size_t len)
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{
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return serial_send(pgm->fd, buf, len);
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}
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static int avr910_recv(PROGRAMMER * pgm, char * buf, size_t len)
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{
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return serial_recv(pgm->fd, buf, len);
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}
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static int avr910_drain(PROGRAMMER * pgm, int display)
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{
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return serial_drain(pgm->fd, display);
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}
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static int avr910_rdy_led(PROGRAMMER * pgm, int value)
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{
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return 0;
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}
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static int avr910_err_led(PROGRAMMER * pgm, int value)
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{
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return 0;
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}
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static int avr910_pgm_led(PROGRAMMER * pgm, int value)
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{
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return 0;
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}
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static int avr910_vfy_led(PROGRAMMER * pgm, int value)
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{
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return 0;
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}
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/*
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* issue the 'chip erase' command to the AVR device
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*/
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static int avr910_chip_erase(PROGRAMMER * pgm, AVRPART * p)
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{
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return 0;
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}
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/*
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* issue the 'program enable' command to the AVR device
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*/
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static int avr910_program_enable(PROGRAMMER * pgm, AVRPART * p)
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{
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return -1;
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}
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/*
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* apply power to the AVR processor
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*/
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static void avr910_powerup(PROGRAMMER * pgm)
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{
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return;
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}
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/*
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* remove power from the AVR processor
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*/
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static void avr910_powerdown(PROGRAMMER * pgm)
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{
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return;
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}
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/*
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* initialize the AVR device and prepare it to accept commands
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*/
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static int avr910_initialize(PROGRAMMER * pgm, AVRPART * p)
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{
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return 0;
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}
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static int avr910_save(PROGRAMMER * pgm)
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{
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return 0;
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}
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static void avr910_restore(PROGRAMMER * pgm)
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{
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return;
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}
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static void avr910_disable(PROGRAMMER * pgm)
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{
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return;
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}
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static void avr910_enable(PROGRAMMER * pgm)
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{
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return;
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}
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/*
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* transmit an AVR device command and return the results; 'cmd' and
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* 'res' must point to at least a 4 byte data buffer
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*/
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static int avr910_cmd(PROGRAMMER * pgm, unsigned char cmd[4],
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unsigned char res[4])
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{
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return 0;
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}
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static void avr910_open(PROGRAMMER * pgm, char * port)
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{
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strcpy(pgm->port, port);
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pgm->fd = serial_open(port, 19200);
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/*
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* drain any extraneous input
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*/
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avr910_drain (pgm, 0);
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}
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static void avr910_close(PROGRAMMER * pgm)
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{
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serial_close(pgm->fd);
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pgm->fd = -1;
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}
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static void avr910_display(PROGRAMMER * pgm, char * p)
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{
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return;
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}
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void avr910_initpgm(PROGRAMMER * pgm)
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{
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strcpy(pgm->type, "avr910");
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/*
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* mandatory functions
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*/
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pgm->rdy_led = avr910_rdy_led;
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pgm->err_led = avr910_err_led;
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pgm->pgm_led = avr910_pgm_led;
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pgm->vfy_led = avr910_vfy_led;
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pgm->initialize = avr910_initialize;
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pgm->display = avr910_display;
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pgm->save = avr910_save;
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pgm->restore = avr910_restore;
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pgm->enable = avr910_enable;
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pgm->disable = avr910_disable;
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pgm->powerup = avr910_powerup;
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pgm->powerdown = avr910_powerdown;
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pgm->program_enable = avr910_program_enable;
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pgm->chip_erase = avr910_chip_erase;
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pgm->cmd = avr910_cmd;
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pgm->open = avr910_open;
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pgm->close = avr910_close;
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/*
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* optional functions
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*/
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}
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@ -0,0 +1,29 @@
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/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
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*
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* 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.
|
||||
*
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* 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
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* 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
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*/
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/* $Id$ */
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#ifndef __avr910_h__
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#define __avr910_h__
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#include "config.h"
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void avr910_initpgm (PROGRAMMER * pgm);
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#endif /* __avr910_h__ */
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@ -0,0 +1,298 @@
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/*
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||||
* avrdude - A Downloader/Uploader for AVR device programmers
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||||
* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
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||||
*
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||||
* 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
|
||||
*/
|
||||
|
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/* $Id$ */
|
||||
|
||||
/*
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||||
* Posix serial interface for avrdude.
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||||
*/
|
||||
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||||
#include <stdio.h>
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#include <string.h>
|
||||
#include <errno.h>
|
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|
||||
#include <fcntl.h>
|
||||
#include <termios.h>
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||||
#include <unistd.h>
|
||||
|
||||
extern char *progname;
|
||||
|
||||
struct baud_mapping {
|
||||
int baud;
|
||||
speed_t speed;
|
||||
};
|
||||
|
||||
/* There are a lot more baud rates we could handle, but what's the point? */
|
||||
|
||||
static struct baud_mapping baud_lookup_table [] = {
|
||||
{ 1200, B1200 },
|
||||
{ 2400, B2400 },
|
||||
{ 4800, B4800 },
|
||||
{ 9600, B9600 },
|
||||
{ 19200, B19200 },
|
||||
{ 38400, B38400 },
|
||||
{ 57600, B57600 },
|
||||
{ 115200, B115200 },
|
||||
{ 230400, B230400 },
|
||||
{ 0, 0 } /* Terminator. */
|
||||
};
|
||||
|
||||
static speed_t serial_baud_lookup(int baud)
|
||||
{
|
||||
struct baud_mapping *map = baud_lookup_table;
|
||||
|
||||
while (map->baud) {
|
||||
if (map->baud == baud)
|
||||
return map->speed;
|
||||
map++;
|
||||
}
|
||||
|
||||
fprintf(stderr, "%s: serial_baud_lookup(): unknown baud rate: %d",
|
||||
progname, baud);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static int serial_setattr(int fd, int baud)
|
||||
{
|
||||
int rc;
|
||||
struct termios termios;
|
||||
speed_t speed = serial_baud_lookup (baud);
|
||||
|
||||
if (!isatty(fd))
|
||||
return -1;
|
||||
|
||||
/*
|
||||
* initialize terminal modes
|
||||
*/
|
||||
rc = tcgetattr(fd, &termios);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: serial_setattr(): tcgetattr() failed, %s",
|
||||
progname, strerror(errno));
|
||||
return -errno;
|
||||
}
|
||||
|
||||
termios.c_iflag = 0;
|
||||
termios.c_oflag = 0;
|
||||
termios.c_cflag = 0;
|
||||
termios.c_cflag |= (CS8 | CREAD | CLOCAL);
|
||||
termios.c_lflag = 0;
|
||||
termios.c_cc[VMIN] = 1;
|
||||
termios.c_cc[VTIME] = 0;
|
||||
|
||||
cfsetospeed(&termios, speed);
|
||||
cfsetispeed(&termios, speed);
|
||||
|
||||
rc = tcsetattr(fd, TCSANOW, &termios);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: serial_setattr(): tcsetattr() failed, %s",
|
||||
progname, strerror(errno));
|
||||
return -errno;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int serial_open(char * port, int baud)
|
||||
{
|
||||
int rc;
|
||||
int fd;
|
||||
|
||||
/*
|
||||
* open the serial port
|
||||
*/
|
||||
fd = open(port, O_RDWR | O_NOCTTY /*| O_NONBLOCK*/);
|
||||
if (fd < 0) {
|
||||
fprintf(stderr, "%s: serial_open(): can't open device \"%s\": %s\n",
|
||||
progname, port, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* set serial line attributes
|
||||
*/
|
||||
rc = serial_setattr(fd, baud);
|
||||
if (rc) {
|
||||
fprintf(stderr,
|
||||
"%s: serial_open(): can't set attributes for device \"%s\"\n",
|
||||
progname, port);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
|
||||
void serial_close(int fd)
|
||||
{
|
||||
/* FIXME: Should really restore the terminal to original state here. */
|
||||
|
||||
close(fd);
|
||||
}
|
||||
|
||||
|
||||
int serial_send(int fd, char * buf, size_t buflen)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set wfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = 500000;
|
||||
|
||||
while (buflen) {
|
||||
FD_ZERO(&wfds);
|
||||
FD_SET(fd, &wfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(fd+1, NULL, &wfds, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
fprintf(stderr,
|
||||
"%s: serial_send(): programmer is not responding\n",
|
||||
progname);
|
||||
exit(1);
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: serial_send(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = write(fd, buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: serial_send(): write error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
buf++;
|
||||
buflen--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int serial_recv(int fd, char * buf, size_t buflen)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set rfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
|
||||
timeout.tv_sec = 5;
|
||||
timeout.tv_usec = 0;
|
||||
|
||||
while (buflen) {
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(fd, &rfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(fd+1, &rfds, NULL, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
fprintf(stderr,
|
||||
"%s: serial_recv(): programmer is not responding\n",
|
||||
progname);
|
||||
exit(1);
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: serial_recv(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = read(fd, buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: serial_recv(): read error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
buf++;
|
||||
buflen--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int serial_drain(int fd, int display)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set rfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
unsigned char buf;
|
||||
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = 250000;
|
||||
|
||||
if (display) {
|
||||
fprintf(stderr, "drain>");
|
||||
}
|
||||
|
||||
while (1) {
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(fd, &rfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(fd+1, &rfds, NULL, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
if (display) {
|
||||
fprintf(stderr, "<drain\n");
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: serial_drain(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = read(fd, &buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: serial_drain(): read error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
if (display) {
|
||||
fprintf(stderr, "%02x ", buf);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
/*
|
||||
* avrdude - A Downloader/Uploader for AVR device programmers
|
||||
* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
/*
|
||||
* Posix serial interface for avrdude.
|
||||
*/
|
||||
|
||||
extern char *progname;
|
||||
|
||||
#if 0
|
||||
|
||||
int serial_open(char * port, int baud)
|
||||
{
|
||||
return fd;
|
||||
}
|
||||
|
||||
|
||||
void serial_close(int fd)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
int serial_send(int fd, char * buf, size_t buflen)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int serial_recv(int fd, char * buf, size_t buflen)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int serial_drain(int fd, int display)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* avrdude - A Downloader/Uploader for AVR device programmers
|
||||
* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
/* This is the API for the generic serial interface. The implementations are
|
||||
actually provided by the target dependant files:
|
||||
|
||||
ser_posix.c : posix serial interface.
|
||||
ser_win32.c : native win32 serial interface.
|
||||
|
||||
The target file will be selected at configure time. */
|
||||
|
||||
#ifndef __serial_h__
|
||||
#define __serial_h__
|
||||
|
||||
#include "config.h"
|
||||
|
||||
extern int serial_open(char * port, int baud);
|
||||
extern void serial_close(int fd);
|
||||
|
||||
extern int serial_send(int fd, char * buf, size_t buflen);
|
||||
extern int serial_recv(int fd, char * buf, size_t buflen);
|
||||
extern int serial_drain(int fd, int display);
|
||||
|
||||
#endif /* __serial_h__ */
|
||||
217
stk500.c
217
stk500.c
|
|
@ -33,15 +33,12 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#include <termios.h>
|
||||
#include <sys/time.h>
|
||||
|
||||
#include "avr.h"
|
||||
#include "pgm.h"
|
||||
#include "stk500_private.h"
|
||||
#include "serial.h"
|
||||
|
||||
|
||||
extern char * progname;
|
||||
|
|
@ -51,153 +48,21 @@ extern int do_cycles;
|
|||
static int stk500_getparm(PROGRAMMER * pgm, unsigned parm, unsigned * value);
|
||||
|
||||
|
||||
static int stk500_send(PROGRAMMER * pgm, char * buf, int buflen)
|
||||
static int stk500_send(PROGRAMMER * pgm, char * buf, size_t len)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set wfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = 500000;
|
||||
|
||||
while (buflen) {
|
||||
FD_ZERO(&wfds);
|
||||
FD_SET(pgm->fd, &wfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(pgm->fd+1, NULL, &wfds, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
fprintf(stderr,
|
||||
"%s: stk500_send(): programmer is not responding on %s\n",
|
||||
progname, pgm->port);
|
||||
exit(1);
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: stk500_send(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = write(pgm->fd, buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: stk500_send(): write error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
buf++;
|
||||
buflen--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
return serial_send(pgm->fd, buf, len);
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int stk500_recv(PROGRAMMER * pgm, char * buf, int n)
|
||||
|
||||
static int stk500_recv(PROGRAMMER * pgm, char * buf, size_t len)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set rfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
|
||||
timeout.tv_sec = 5;
|
||||
timeout.tv_usec = 0;
|
||||
|
||||
while (n) {
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(pgm->fd, &rfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(pgm->fd+1, &rfds, NULL, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
fprintf(stderr,
|
||||
"%s: stk500_recv(): programmer is not responding on %s\n",
|
||||
progname, pgm->port);
|
||||
exit(1);
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: stk500_recv(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = read(pgm->fd, buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: stk500_recv(): read error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
buf++;
|
||||
n--;
|
||||
}
|
||||
|
||||
return 0;
|
||||
return serial_recv(pgm->fd, buf, len);
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int stk500_drain(PROGRAMMER * pgm, int display)
|
||||
{
|
||||
struct timeval timeout;
|
||||
fd_set rfds;
|
||||
int nfds;
|
||||
int rc;
|
||||
unsigned char buf;
|
||||
|
||||
timeout.tv_sec = 0;
|
||||
timeout.tv_usec = 250000;
|
||||
|
||||
if (display) {
|
||||
fprintf(stderr, "drain>");
|
||||
}
|
||||
|
||||
while (1) {
|
||||
FD_ZERO(&rfds);
|
||||
FD_SET(pgm->fd, &rfds);
|
||||
|
||||
reselect:
|
||||
nfds = select(pgm->fd+1, &rfds, NULL, NULL, &timeout);
|
||||
if (nfds == 0) {
|
||||
if (display) {
|
||||
fprintf(stderr, "<drain\n");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
else if (nfds == -1) {
|
||||
if (errno == EINTR) {
|
||||
goto reselect;
|
||||
}
|
||||
else {
|
||||
fprintf(stderr, "%s: stk500_drain(): select(): %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
rc = read(pgm->fd, &buf, 1);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: stk500_drain(): read error: %s\n",
|
||||
progname, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
if (display) {
|
||||
fprintf(stderr, "%02x ", buf);
|
||||
}
|
||||
}
|
||||
return serial_drain(pgm->fd, display);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -739,72 +604,10 @@ static void stk500_enable(PROGRAMMER * pgm)
|
|||
}
|
||||
|
||||
|
||||
static int stk500_setattr(int fd)
|
||||
{
|
||||
int rc;
|
||||
struct termios termios;
|
||||
|
||||
if (!isatty(fd))
|
||||
return -1;
|
||||
|
||||
/*
|
||||
* initialize terminal modes
|
||||
*/
|
||||
rc = tcgetattr(fd, &termios);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: stk500_setattr(): tcgetattr() failed, %s",
|
||||
progname, strerror(errno));
|
||||
return -errno;
|
||||
}
|
||||
|
||||
termios.c_iflag = 0;
|
||||
termios.c_oflag = 0;
|
||||
termios.c_cflag = 0;
|
||||
termios.c_cflag |= (CS8 | CREAD | CLOCAL);
|
||||
termios.c_lflag = 0;
|
||||
termios.c_cc[VMIN] = 1;
|
||||
termios.c_cc[VTIME] = 0;
|
||||
|
||||
cfsetospeed(&termios, B115200);
|
||||
cfsetispeed(&termios, B115200);
|
||||
|
||||
rc = tcsetattr(fd, TCSANOW, &termios);
|
||||
if (rc < 0) {
|
||||
fprintf(stderr, "%s: stk500_setattr(): tcsetattr() failed, %s",
|
||||
progname, strerror(errno));
|
||||
return -errno;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static void stk500_open(PROGRAMMER * pgm, char * port)
|
||||
{
|
||||
int rc;
|
||||
|
||||
strcpy(pgm->port, port);
|
||||
|
||||
/*
|
||||
* open the serial port
|
||||
*/
|
||||
pgm->fd = open(port, O_RDWR | O_NOCTTY /*| O_NONBLOCK*/);
|
||||
if (pgm->fd < 0) {
|
||||
fprintf(stderr, "%s: stk500_open(): can't open device \"%s\": %s\n",
|
||||
progname, port, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* set serial line attributes
|
||||
*/
|
||||
rc = stk500_setattr(pgm->fd);
|
||||
if (rc) {
|
||||
fprintf(stderr,
|
||||
"%s: stk500_open(): can't set attributes for device \"%s\"\n",
|
||||
progname, port);
|
||||
exit(1);
|
||||
}
|
||||
pgm->fd = serial_open(port, 115200);
|
||||
|
||||
/*
|
||||
* drain any extraneous input
|
||||
|
|
@ -819,7 +622,7 @@ static void stk500_open(PROGRAMMER * pgm, char * port)
|
|||
|
||||
static void stk500_close(PROGRAMMER * pgm)
|
||||
{
|
||||
close(pgm->fd);
|
||||
serial_close(pgm->fd);
|
||||
pgm->fd = -1;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue