From 016c7033f4b73e35ebd66ada66093f3c5fe9fbff Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 10 Nov 2005 21:05:14 +0000 Subject: Add skeletons for BCSP and H4 transports --- tools/csr_h4.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 tools/csr_h4.c (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c new file mode 100644 index 00000000..9140d30d --- /dev/null +++ b/tools/csr_h4.c @@ -0,0 +1,60 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2004-2005 Marcel Holtmann + * + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include + +static uint16_t seqnum = 0x0000; + +int csr_open_h4(char *device) +{ + fprintf(stderr, "Transport not implemented\n"); + + return -1; +} + +static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t *value, uint16_t length) +{ + errno = EIO; + + return -1; +} + +int csr_read_h4(uint16_t varid, uint8_t *value, uint16_t length) +{ + return do_command(0x0000, seqnum++, varid, value, length); +} + +int csr_write_h4(uint16_t varid, uint8_t *value, uint16_t length) +{ + return do_command(0x0002, seqnum++, varid, value, length); +} + +void csr_close_h4(void) +{ +} -- cgit From a61c4d6cd0882acb8d76f9a59f7847d7027ff539 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 10 Nov 2005 23:24:54 +0000 Subject: Add H4 transport for serial ports --- tools/csr_h4.c | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 116 insertions(+), 4 deletions(-) (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c index 9140d30d..2a6c156f 100644 --- a/tools/csr_h4.c +++ b/tools/csr_h4.c @@ -27,22 +27,133 @@ #include #include +#include +#include +#include #include +#include + +#include "csr.h" static uint16_t seqnum = 0x0000; +static int fd = -1; + int csr_open_h4(char *device) { - fprintf(stderr, "Transport not implemented\n"); + struct termios ti; + + if (!device) + device = "/dev/ttyS0"; + + fd = open(device, O_RDWR | O_NOCTTY); + if (fd < 0) { + fprintf(stderr, "Can't open serial port: %s (%d)\n", + strerror(errno), errno); + return -1; + } + + tcflush(fd, TCIOFLUSH); + + if (tcgetattr(fd, &ti) < 0) { + fprintf(stderr, "Can't get port settings: %s (%d)\n", + strerror(errno), errno); + close(fd); + return -1; + } + + cfmakeraw(&ti); + + ti.c_cflag |= CLOCAL; + ti.c_cflag |= CRTSCTS; + + if (tcsetattr(fd, TCSANOW, &ti) < 0) { + fprintf(stderr, "Can't change port settings: %s (%d)\n", + strerror(errno), errno); + close(fd); + return -1; + } + + cfsetospeed(&ti, B38400); + + if (tcsetattr(fd, TCSANOW, &ti) < 0) { + fprintf(stderr, "Can't change port settings: %s (%d)\n", + strerror(errno), errno); + close(fd); + return -1; + } + + tcflush(fd, TCIOFLUSH); - return -1; + return 0; } static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t *value, uint16_t length) { - errno = EIO; + unsigned char cp[254], rp[254]; + uint8_t cmd[10]; + uint16_t size; + int len, offset = 3; + + size = (length < 8) ? 9 : ((length + 1) / 2) + 5; + + cmd[0] = command & 0xff; + cmd[1] = command >> 8; + cmd[2] = size & 0xff; + cmd[3] = size >> 8; + cmd[4] = seqnum & 0xff; + cmd[5] = seqnum >> 8; + cmd[6] = varid & 0xff; + cmd[7] = varid >> 8; + cmd[8] = 0x00; + cmd[9] = 0x00; + + memset(cp, 0, sizeof(cp)); + cp[0] = 0x01; + cp[1] = 0x00; + cp[2] = 0xfc; + cp[3] = (size * 2) + 1; + cp[4] = 0xc2; + memcpy(cp + 5, cmd, sizeof(cmd)); + memcpy(cp + 15, value, length); + + if (write(fd, cp, (size * 2) + 5) < 0) + return -1; + + switch (varid) { + case CSR_VARID_COLD_RESET: + case CSR_VARID_WARM_RESET: + case CSR_VARID_COLD_HALT: + case CSR_VARID_WARM_HALT: + return 0; + } + + do { + if (read(fd, rp, 1) < 1) + return -1; + } while (rp[0] != 0x04); + + if (read(fd, rp + 1, 2) < 2) + return -1; + + do { + len = read(fd, rp + offset, sizeof(rp) - offset); + offset += len; + } while (offset < rp[2] + 3); + + if (rp[0] != 0x04 || rp[1] != 0xff || rp[3] != 0xc2) { + errno = EIO; + return -1; + } + + if ((rp[12] + (rp[13] << 8)) != 0) { + errno = ENXIO; + return -1; + } + + memcpy(value, rp + 14, length); - return -1; + return 0; } int csr_read_h4(uint16_t varid, uint8_t *value, uint16_t length) @@ -57,4 +168,5 @@ int csr_write_h4(uint16_t varid, uint8_t *value, uint16_t length) void csr_close_h4(void) { + close(fd); } -- cgit From 858c6b70e59fc7b44243c0c7fb0455323e723b1d Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 11 Nov 2005 21:07:04 +0000 Subject: No need for double tcsetattr() --- tools/csr_h4.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c index 2a6c156f..1e051903 100644 --- a/tools/csr_h4.c +++ b/tools/csr_h4.c @@ -67,13 +67,6 @@ int csr_open_h4(char *device) ti.c_cflag |= CLOCAL; ti.c_cflag |= CRTSCTS; - if (tcsetattr(fd, TCSANOW, &ti) < 0) { - fprintf(stderr, "Can't change port settings: %s (%d)\n", - strerror(errno), errno); - close(fd); - return -1; - } - cfsetospeed(&ti, B38400); if (tcsetattr(fd, TCSANOW, &ti) < 0) { -- cgit From f2e48c44a7e4c9ee31b8ce2e302186f6047cfeab Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Tue, 3 Jan 2006 13:28:56 +0000 Subject: Update copyright information --- tools/csr_h4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c index 1e051903..8a3ff7fe 100644 --- a/tools/csr_h4.c +++ b/tools/csr_h4.c @@ -2,7 +2,7 @@ * * BlueZ - Bluetooth protocol stack for Linux * - * Copyright (C) 2004-2005 Marcel Holtmann + * Copyright (C) 2004-2006 Marcel Holtmann * * * This program is free software; you can redistribute it and/or modify -- cgit From 607695ed109340f4b7a5628420e0a8e8aee34f4e Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sat, 13 Jan 2007 17:48:12 +0000 Subject: Update copyright information --- tools/csr_h4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c index 8a3ff7fe..d31de396 100644 --- a/tools/csr_h4.c +++ b/tools/csr_h4.c @@ -2,7 +2,7 @@ * * BlueZ - Bluetooth protocol stack for Linux * - * Copyright (C) 2004-2006 Marcel Holtmann + * Copyright (C) 2004-2007 Marcel Holtmann * * * This program is free software; you can redistribute it and/or modify -- cgit From e823c15e43a6f924779e466d434c51157002d9ee Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sat, 2 Feb 2008 03:37:05 +0000 Subject: Update copyright information --- tools/csr_h4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_h4.c') diff --git a/tools/csr_h4.c b/tools/csr_h4.c index d31de396..27ea3e3c 100644 --- a/tools/csr_h4.c +++ b/tools/csr_h4.c @@ -2,7 +2,7 @@ * * BlueZ - Bluetooth protocol stack for Linux * - * Copyright (C) 2004-2007 Marcel Holtmann + * Copyright (C) 2004-2008 Marcel Holtmann * * * This program is free software; you can redistribute it and/or modify -- cgit