Add option 'test mode'(-t).
Can test your Bluetooth module via com-port. This mode guess speed for bcsp(4) or btuart(4), if not respond.
This commit is contained in:
kiyohara
parent
45be6911c0
commit
4670060018
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@ -1,4 +1,4 @@
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/* $NetBSD: btattach.c,v 1.7 2010/03/08 17:41:11 kiyohara Exp $ */
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/* $NetBSD: btattach.c,v 1.8 2010/03/08 17:59:52 kiyohara Exp $ */
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/*-
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* Copyright (c) 2008 Iain Hibbert
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@ -27,7 +27,7 @@
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008 Iain Hibbert. All rights reserved.");
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__RCSID("$NetBSD: btattach.c,v 1.7 2010/03/08 17:41:11 kiyohara Exp $");
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__RCSID("$NetBSD: btattach.c,v 1.8 2010/03/08 17:59:52 kiyohara Exp $");
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#include <sys/ioctl.h>
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#include <sys/param.h>
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@ -48,6 +48,7 @@ __RCSID("$NetBSD: btattach.c,v 1.7 2010/03/08 17:41:11 kiyohara Exp $");
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static void sighandler(int);
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static void usage(void);
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static void test(const char *, tcflag_t, tcflag_t);
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static int sigcount = 0; /* signals received */
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static int opt_debug = 0; /* global? */
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@ -151,16 +152,17 @@ main(int argc, char *argv[])
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struct termios tio;
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unsigned int init_speed, speed;
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tcflag_t cflag, Cflag;
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int fd, ch, i;
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int fd, ch, tflag, i;
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const char *name;
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char *ptr;
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init_speed = 0;
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cflag = CLOCAL;
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Cflag = 0;
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tflag = 0;
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name = "btuart";
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while ((ch = getopt(argc, argv, "dFfi:oPp")) != -1) {
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while ((ch = getopt(argc, argv, "dFfi:oPpt")) != -1) {
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switch (ch) {
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case 'd':
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opt_debug++;
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@ -193,6 +195,10 @@ main(int argc, char *argv[])
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cflag |= PARENB;
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break;
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case 't':
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tflag = 1;
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break;
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case '?':
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default:
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usage();
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@ -201,6 +207,13 @@ main(int argc, char *argv[])
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argc -= optind;
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argv += optind;
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if (tflag) {
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if (argc != 1)
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usage();
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test(argv[0], cflag, Cflag);
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exit(EXIT_SUCCESS);
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}
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if (argc == 3) {
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name = argv[0];
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argv++;
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@ -287,6 +300,7 @@ usage(void)
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fprintf(stderr,
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"Usage: %s [-dFfoPp] [-i speed] [type] tty speed\n"
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" %s -t [-dFfoPp] tty\n"
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"\n"
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"Where:\n"
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"\t-d debug mode (no detach, dump io)\n"
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@ -296,9 +310,10 @@ usage(void)
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"\t-o odd parity\n"
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"\t-P no parity\n"
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"\t-p even parity\n"
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"\t-t test mode\n"
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"\n"
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"Known types:\n"
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"", getprogname());
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"", getprogname(), getprogname());
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for (i = 0; i < __arraycount(types); i++)
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fprintf(stderr, "\t%-12s%s\n", types[i].name, types[i].descr);
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@ -502,3 +517,118 @@ uart_recv_cc(int fd, uint16_t opcode, void *buf, size_t len)
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return n;
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}
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static void
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test(const char *tty, tcflag_t cflag, tcflag_t Cflag)
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{
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struct termios tio;
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int fd, guessed, i, j, k, n;
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unsigned char buf[32];
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const int bauds[] = {
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57600, /* BCSP specific default */
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921600, /* latest major baud rate */
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115200, /* old major baud rate */
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460800,
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230400,
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// 76800,
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28800,
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38400,
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19200,
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14400,
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9600,
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7200,
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4800,
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2400,
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1800,
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1200,
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600,
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300,
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200,
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150,
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134,
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110,
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75,
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50,
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};
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const unsigned char bcsp_lepkt[] =
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/* ESC ------- header ------- --- link establish --- ESC */
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{ 0xc0, 0x00, 0x41, 0x00, 0xbe, 0xda, 0xdc, 0xed, 0xed, 0xc0 };
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printf("test mode\n");
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/* open tty */
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if ((fd = open(tty, O_RDWR | O_NONBLOCK | O_EXLOCK, 0)) < 0)
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err(EXIT_FAILURE, "%s", tty);
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/* setup tty */
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if (tcgetattr(fd, &tio) < 0)
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err(EXIT_FAILURE, "tcgetattr");
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cfmakeraw(&tio);
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tio.c_cflag |= (CLOCAL | CRTSCTS | PARENB);
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tio.c_cflag |= cflag;
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tio.c_cflag &= ~Cflag;
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guessed = 0;
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for (i = 0; i < __arraycount(bauds); i++) {
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if (cfsetspeed(&tio, bauds[i]) < 0
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|| tcsetattr(fd, TCSANOW, &tio) < 0
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|| tcflush(fd, TCIOFLUSH) < 0)
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if (bauds[i] > 115200)
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continue;
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else
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err(EXIT_FAILURE, "tty setup failed");
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if (opt_debug)
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printf(" try with B%d\n", bauds[i]);
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sleep(bauds[i] < 9600 ? 3 : 1);
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n = read(fd, buf, sizeof(buf));
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if (opt_debug > 1)
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printf(" %dbyte read\n", n);
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if (n < 0) {
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if (i == 0 && errno == EAGAIN) {
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printf("This module is *maybe* supported by btuart(4).\n"
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"you specify aproporiate <speed>.\n"
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" Also can specify <type> for initialize.\n");
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guessed = 1;
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break;
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}
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if (errno == EAGAIN)
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continue;
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err(EXIT_FAILURE, "read");
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} else {
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if (n < sizeof(bcsp_lepkt))
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continue;
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for (j = 0; j < n - sizeof(bcsp_lepkt); j++) {
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for (k = 0; k < sizeof(bcsp_lepkt); k++)
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if (buf[j + k] != bcsp_lepkt[k]) {
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j += k;
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break;
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}
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if (k < sizeof(bcsp_lepkt))
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continue;
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printf(
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"This module is supported by bcsp(4).\n"
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" baud rate %d\n",
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bauds[i]);
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if (tio.c_cflag & PARENB)
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printf(" with %sparity\n",
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tio.c_cflag & PARODD ? "odd " : "");
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guessed = 1;
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break;
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}
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if (guessed)
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break;
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}
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}
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close(fd);
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if (!guessed)
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printf("don't understand...\n");
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}
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