259 lines
6.3 KiB
C
259 lines
6.3 KiB
C
/**
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* @file
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* @brief loady and loadx support.
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*
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* Provides loadx (over X-Modem) and loady(over Y-Modem) support to download
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* images.
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*
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* FileName: commands/loadxy.c
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*/
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/*
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* (C) Copyright 2012 Robert Jarzmik <robert.jarzmik@free.fr>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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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*/
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/*
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* Serial up- and download support
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*/
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#include <common.h>
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#include <command.h>
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#include <console.h>
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#include <xymodem.h>
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#include <errno.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <fs.h>
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#include <malloc.h>
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#define DEF_FILE "image.bin"
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static int console_change_speed(struct console_device *cdev, int baudrate)
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{
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int current_baudrate;
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current_baudrate =
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(int)simple_strtoul(dev_get_param(&cdev->class_dev,
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"baudrate"), NULL, 10);
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if (baudrate && baudrate != current_baudrate) {
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printf("## Switch baudrate from %d to %d bps and press ENTER ...\n",
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current_baudrate, baudrate);
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mdelay(50);
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cdev->setbrg(cdev, baudrate);
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mdelay(50);
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}
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return current_baudrate;
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}
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static struct console_device *get_named_console(const char *cname)
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{
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struct console_device *cdev;
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const char *target;
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/*
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* Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the
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* same output console
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*/
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for_each_console(cdev) {
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target = dev_id(&cdev->class_dev);
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if (strlen(target) != strlen(cname))
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continue;
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printf("RJK: looking for %s in console name %s\n",
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cname, target);
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if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT))
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&& !strcmp(cname, target))
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return cdev;
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}
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return NULL;
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}
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/**
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* @brief provide the loady(Y-Modem or Y-Modem/G) support
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*
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* @param argc number of arguments
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* @param argv arguments of loady command
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*
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* @return success or failure
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*/
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static int do_loady(int argc, char *argv[])
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{
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int is_ymodemg = 0, rc = 0, opt, rcode = 0;
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int load_baudrate = 0, current_baudrate;
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char *cname = NULL;
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struct console_device *cdev = NULL;
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while ((opt = getopt(argc, argv, "b:t:g")) > 0) {
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switch (opt) {
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case 'b':
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load_baudrate = (int)simple_strtoul(optarg, NULL, 10);
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break;
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case 'g':
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is_ymodemg = 1;
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break;
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case 't':
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cname = optarg;
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break;
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default:
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perror(argv[0]);
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return 1;
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}
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}
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if (cname)
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cdev = get_named_console(cname);
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else
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cdev = console_get_first_active();
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if (!cdev) {
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printf("%s:No console device %s with STDIN and STDOUT\n",
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argv[0], cname ? cname : "default");
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return -ENODEV;
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}
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current_baudrate = console_change_speed(cdev, load_baudrate);
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printf("## Ready for binary (ymodem) download at %d bps...\n",
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load_baudrate ? load_baudrate : current_baudrate);
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if (is_ymodemg)
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rc = do_load_serial_ymodemg(cdev);
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else
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rc = do_load_serial_ymodem(cdev);
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if (rc < 0) {
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printf("## Binary (ymodem) download aborted (%d)\n", rc);
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rcode = 1;
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}
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console_change_speed(cdev, current_baudrate);
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return rcode;
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}
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BAREBOX_CMD_HELP_START(loady)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-g", "use Y-Modem/G (use on lossless tty such as USB)")
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BAREBOX_CMD_HELP_OPT("-b BAUD", "baudrate for download (default: console baudrate")
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BAREBOX_CMD_HELP_OPT("-t NAME", "console name to use (default: current)")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(loady)
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.cmd = do_loady,
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BAREBOX_CMD_DESC("load binary file over serial line (Y-Modem)")
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BAREBOX_CMD_OPTS("[-gtb]")
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BAREBOX_CMD_GROUP(CMD_GRP_BOOT)
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BAREBOX_CMD_HELP(cmd_loady_help)
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BAREBOX_CMD_END
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/**
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* @brief provide the loadx(X-Modem) support
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*
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* @param argc number of arguments
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* @param argv arguments of loadx command
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*
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* @return success or failure
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*/
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static int do_loadx(int argc, char *argv[])
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{
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ulong offset = 0;
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int load_baudrate = 0, current_baudrate, ofd, opt, rcode = 0;
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int open_mode = O_WRONLY;
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char *output_file = NULL, *cname = NULL;
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struct console_device *cdev = NULL;
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while ((opt = getopt(argc, argv, "f:b:t:o:c")) > 0) {
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switch (opt) {
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case 'f':
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output_file = optarg;
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break;
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case 'b':
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load_baudrate = (int)simple_strtoul(optarg, NULL, 10);
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break;
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case 'o':
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offset = (int)simple_strtoul(optarg, NULL, 10);
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break;
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case 'c':
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open_mode |= O_CREAT;
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break;
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case 't':
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cname = optarg;
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break;
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default:
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perror(argv[0]);
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return 1;
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}
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}
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if (cname)
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cdev = get_named_console(cname);
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else
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cdev = console_get_first_active();
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if (!cdev) {
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printf("%s:No console device %s with STDIN and STDOUT",
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argv[0], cname ? cname : "default");
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return -ENODEV;
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}
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/* Load Defaults */
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if (!output_file)
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output_file = DEF_FILE;
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/* File should exist */
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ofd = open(output_file, open_mode);
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if (ofd < 0) {
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perror(argv[0]);
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return 3;
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}
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/* Seek to the right offset */
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if (offset) {
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int seek = lseek(ofd, offset, SEEK_SET);
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if (seek != offset) {
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close(ofd);
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ofd = 0;
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perror(argv[0]);
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return 4;
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}
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}
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current_baudrate = console_change_speed(cdev, load_baudrate);
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printf("## Ready for binary (xmodem) download "
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"to 0x%08lX offset on %s device at %d bps...\n", offset,
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output_file, load_baudrate ? load_baudrate : current_baudrate);
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rcode = do_load_serial_xmodem(cdev, ofd);
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if (rcode < 0) {
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printf("## Binary (xmodem) download aborted (%d)\n", rcode);
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rcode = 1;
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}
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console_change_speed(cdev, current_baudrate);
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return rcode;
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}
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BAREBOX_CMD_HELP_START(loadx)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-f FILE", "download to FILE (default " DEF_FILE ")")
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BAREBOX_CMD_HELP_OPT("-o OFFS", "destination file OFFSet (default 0)")
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BAREBOX_CMD_HELP_OPT("-b BAUD", "baudrate for download (default: console baudrate")
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BAREBOX_CMD_HELP_OPT("-t NAME", "console name to use (default: current)")
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BAREBOX_CMD_HELP_OPT("-c", "create file if not present")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(loadx)
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.cmd = do_loadx,
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BAREBOX_CMD_DESC("load binary file over serial line (X-Modem)")
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BAREBOX_CMD_OPTS("[-fptbc]")
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BAREBOX_CMD_GROUP(CMD_GRP_BOOT)
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BAREBOX_CMD_HELP(cmd_loadx_help)
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BAREBOX_CMD_END
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