Add C version of mc1322x-load courtesy of Maxim Osipov
This commit is contained in:
Mariano Alvira
parent
3cea9b567f
commit
d1a0ab0973
312
tools/mc1322x-load.c
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312
tools/mc1322x-load.c
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/*
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* Copyright (c) 2012, Maxim Osipov <maxim.osipov@gmail.com>
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <termios.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdint.h>
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char* filename;
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char* second;
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char* term = "/dev/ttyUSB0";
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int baud = B115200;
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int verbose = 0;
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char* rts = "rts";
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char* command;
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int first_delay = 50;
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int second_delay = 100;
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int do_exit = 0;
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int zerolen = 0;
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struct stat sbuf;
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struct termios options;
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char buf[256];
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int pfd;
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int ffd;
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int sfd;
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void help(void);
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int main(int argc, char **argv)
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{
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int c = 0;
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int r = 0;
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int i = 0;
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uint32_t s = 0;
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opterr = 0;
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/* Parse options */
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while ((c = getopt(argc, argv, "f:s:zt:vu:r:c:a:b:eh")) != -1) {
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switch (c)
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{
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case 'f':
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filename = optarg;
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break;
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case 's':
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second = optarg;
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break;
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case 'z':
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zerolen = 1;
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break;
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case 't':
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term = optarg;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'u':
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if (strcmp(optarg, "115200")) {
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baud = B115200;
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} else if (strcmp(optarg, "57600")) {
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baud = B115200;
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} else if (strcmp(optarg, "19200")) {
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baud = B19200;
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} else if (strcmp(optarg, "9600")) {
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baud = B9600;
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} else {
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printf("Unknown baud rate %s!\n", optarg);
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return -1;
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}
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break;
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case 'r':
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rts = optarg;
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break;
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case 'c':
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command = optarg;
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break;
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case 'a':
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first_delay = atoi(optarg);
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break;
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case 'b':
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second_delay = atoi(optarg);
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break;
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case 'e':
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do_exit = 1;
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break;
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case 'h':
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case '?':
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help();
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return 0;
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default:
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abort();
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}
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}
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/* Print settings */
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if (verbose) {
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printf("Primary file (RAM): %s\n", filename);
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printf("Secondary file (Flash): %s\n", second);
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printf("Zero secondary file: %s\n", zerolen == 1 ? "Yes" : "No");
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printf("Port: %s\n", term);
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printf("Baud rate: %i\n", baud);
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printf("Flow control: %s\n", rts);
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printf("Reset command: %s\n", command);
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printf("Exit after load: %s\n", do_exit == 1 ? "Yes" : "No");
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printf("Delay 1: %i\n", first_delay);
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printf("Delay 2: %i\n", second_delay);
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}
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/* Open and configure serial port */
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pfd = open(term, O_RDWR | O_NOCTTY | O_NDELAY);
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if (pfd == -1) {
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printf("Cannot open serial port %s!\n", term);
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return -1;
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}
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fcntl(pfd, F_SETFL, FNDELAY);
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tcgetattr(pfd, &options);
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cfsetispeed(&options, baud);
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options.c_cflag |= (CLOCAL | CREAD);
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options.c_cflag &= ~PARENB;
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options.c_cflag &= ~CSTOPB;
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options.c_cflag &= ~CSIZE;
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options.c_cflag |= CS8;
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if (strcmp(rts, "rts")) {
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options.c_cflag &= ~CRTSCTS;
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} else {
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options.c_cflag |= CRTSCTS;
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}
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options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
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options.c_oflag &= ~OPOST;
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tcsetattr(pfd, TCSANOW, &options);
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/* Reset the board if we can */
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printf("Reset the board to enter bootloader (waiting for CONNECT)...\n");
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if (command) {
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printf("Performing reset: %s\n", command);
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system(command);
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}
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/* Primary bootloader wait loop */
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i = 0;
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while (1) {
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/* Wait for CONNECT */
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r = write(pfd, (const void*)"\0", 1);
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sleep(1);
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r = read(pfd, &buf[i], sizeof(buf)-1-i);
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if (r > 0) {
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buf[i+r] = '\0';
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printf("%s", &buf[i]); fflush(stdout);
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if (strstr(&buf[i], "CONNECT")) {
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printf("\n");
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break;
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}
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i += r;
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if (i >= sizeof(buf)-1) {
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i = 0;
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}
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} else {
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printf("."); fflush(stdout);
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}
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}
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/* Send primary file */
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if (!filename) {
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printf("Please specify firmware file name (-f option)!\n");
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return -1;
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}
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if (stat(filename, &sbuf)) {
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printf("Cannot open firmware file %s!\n", filename);
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return -1;
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}
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ffd = open(filename, O_RDONLY);
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if (ffd == -1) {
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printf("Cannot open firmware file %s!\n", filename);
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return -1;
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}
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printf("Sending %s (%i bytes)...\n", filename, sbuf.st_size);
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s = sbuf.st_size;
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r = write(pfd, (const void*)&s, 4);
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i = 0;
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r = read(ffd, buf, 1);
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while (r > 0) {
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do {
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usleep(first_delay);
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c = write(pfd, (const void*)buf, r);
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} while(c < r);
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i += r;
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printf("Written %i\r", i); fflush(stdout);
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r = read(ffd, buf, 1);
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}
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printf("\n");
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/* Secondary loader wait loop */
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if (second || zerolen) {
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/* Wait for ready */
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printf("Sending secondary file (waiting for ready)...\n");
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i = 0;
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while (1) {
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sleep(1);
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r = read(pfd, &buf[i], sizeof(buf)-1-i);
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if (r > 0) {
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buf[i+r] = '\0';
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printf("%s", &buf[i]); fflush(stdout);
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if (strstr(buf, "ready")) {
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printf("\n");
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break;
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}
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i += r;
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if (i >= sizeof(buf)-1) {
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i = 0;
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}
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} else {
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printf("."); fflush(stdout);
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}
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}
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/* Send secondary file */
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if (second) {
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if (stat(second, &sbuf)) {
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printf("Cannot open secondary file %s!\n", second);
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return -1;
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}
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sfd = open(second, O_RDONLY);
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if (sfd == -1) {
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printf("Cannot open secondary file %s!\n", second);
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return -1;
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}
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}
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/* Send secondary file */
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printf("Sending %s (%i bytes)...\n", second, sbuf.st_size);
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s = sbuf.st_size;
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r = write(pfd, (const void*)&s, 4);
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i = 0;
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r = read(sfd, buf, 1);
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while (r > 0) {
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do {
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usleep(second_delay);
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c = write(pfd, (const void*)buf, r);
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} while(c < r);
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i += r;
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printf("Written %i\r", i); fflush(stdout);
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r = read(sfd, buf, 1);
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}
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printf("\n");
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}
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/* Drop in echo mode */
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if (!do_exit) {
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while (1) {
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r = read(pfd, buf, sizeof(buf));
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if (r > 0) {
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buf[r] = '\0';
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printf("%s", buf); fflush(stdout);
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}
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}
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}
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}
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void help(void)
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{
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printf("Example usage: mc1322x-load -f foo.bin -t /dev/ttyS0 -b 9600\n");
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printf(" or : mc1322x-load -f flasher.bin -s flashme.bin 0x1e000,0x11223344,0x55667788\n");
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printf(" or : mc1322x-load -f flasher.bin -z 0x1e000,0x11223344,0x55667788\n");
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printf(" -f required: binary file to load\n");
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printf(" -s optional: secondary binary file to send\n");
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printf(" -z optional: send a zero length file as secondary\n");
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printf(" -t, terminal default: /dev/ttyUSB0\n");
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printf(" -u, baud rate default: 115200\n");
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printf(" -r [none|rts] flow control default: rts\n");
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printf(" -c command to run for autoreset: \n");
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printf(" e.g. -c 'bbmc -l redbee-econotag -i 0 reset'\n");
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printf(" -e exit instead of dropping to terminal display\n");
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printf(" -a first intercharacter delay, passed to usleep\n");
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printf(" -b second intercharacter delay, passed to usleep\n");
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printf("\n");
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printf("Anything on the command line is sent after all of the files.\n\n");
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}
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