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_bcsp.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 tools/csr_bcsp.c (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c new file mode 100644 index 00000000..8847fec5 --- /dev/null +++ b/tools/csr_bcsp.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_bcsp(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_bcsp(uint16_t varid, uint8_t *value, uint16_t length) +{ + return do_command(0x0000, seqnum++, varid, value, length); +} + +int csr_write_bcsp(uint16_t varid, uint8_t *value, uint16_t length) +{ + return do_command(0x0002, seqnum++, varid, value, length); +} + +void csr_close_bcsp(void) +{ +} -- cgit From d3d625a0e1027c0f328d2d1f620390ecec1fb3cf Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 11 Nov 2005 21:13:25 +0000 Subject: Add basic device initialization --- tools/csr_bcsp.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 61 insertions(+), 2 deletions(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 8847fec5..582d6859 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.c @@ -27,15 +27,73 @@ #include #include +#include +#include +#include #include +#include + +#include "csr.h" static uint16_t seqnum = 0x0000; +static int fd = -1; + int csr_open_bcsp(char *device) { - fprintf(stderr, "Transport not implemented\n"); + struct termios ti; - return -1; + 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; + ti.c_cflag |= PARENB; + ti.c_cflag &= ~PARODD; + ti.c_cflag &= ~CSIZE; + ti.c_cflag |= CS8; + ti.c_cflag &= ~CSTOPB; + + ti.c_cc[VMIN] = 1; + ti.c_cc[VTIME] = 0; + + 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); + + if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK) < 0) { + fprintf(stderr, "Can't set non blocking mode: %s (%d)\n", + strerror(errno), errno); + close(fd); + return -1; + } + + return 0; } static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t *value, uint16_t length) @@ -57,4 +115,5 @@ int csr_write_bcsp(uint16_t varid, uint8_t *value, uint16_t length) void csr_close_bcsp(void) { + close(fd); } -- cgit From 9c4ddbfafab6fe96480edeb8c5fee1b76e103300 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 11 Nov 2005 22:49:28 +0000 Subject: Add support for using the uBCSP implementation --- tools/csr_bcsp.c | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 159 insertions(+), 2 deletions(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 582d6859..f39a4182 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.c @@ -39,9 +39,40 @@ static uint16_t seqnum = 0x0000; static int fd = -1; +#ifdef HAVE_UBCSP +#include "ubcsp.h" +#else +#define UBCSP_PACKET_SENT 0x01 +#define UBCSP_PACKET_RECEIVED 0x02 +#define UBCSP_PEER_RESET 0x04 +#define UBCSP_PACKET_ACK 0x08 + +struct ubcsp_packet +{ + uint8_t channel; + uint8_t reliable; + uint8_t use_crc; + uint16_t length; + uint8_t *payload; +}; + +static inline void ubcsp_initialize(void) {} +static inline void ubcsp_send_packet(struct ubcsp_packet *send_packet) {} +static inline void ubcsp_receive_packet(struct ubcsp_packet *receive_packet) {} +static inline uint8_t ubcsp_poll(uint8_t *activity) { return 20; } +#endif + +static struct ubcsp_packet send_packet; +static uint8_t send_buffer[512]; + +static struct ubcsp_packet receive_packet; +static uint8_t receive_buffer[512]; + int csr_open_bcsp(char *device) { struct termios ti; + uint8_t delay, activity = 0x00; + int timeout = 0; if (!device) device = "/dev/ttyS0"; @@ -93,14 +124,140 @@ int csr_open_bcsp(char *device) return -1; } + memset(&send_packet, 0, sizeof(send_packet)); + memset(&receive_packet, 0, sizeof(receive_packet)); + + ubcsp_initialize(); + + send_packet.length = 512; + send_packet.payload = send_buffer; + + receive_packet.length = 512; + receive_packet.payload = receive_buffer; + + ubcsp_receive_packet(&receive_packet); + + while (1) { + delay = ubcsp_poll(&activity); + + if (activity & UBCSP_PACKET_RECEIVED) + break; + + if (delay) { + usleep(delay * 100); + + if (timeout++ > 100) { + fprintf(stderr, "Initialization timed out\n"); + return -1; + } + } + } + return 0; } +void put_uart(uint8_t ch) +{ + write(fd, &ch, 1); +} + +uint8_t get_uart(uint8_t *ch) +{ + int res = read(fd, ch, 1); + return res > 0 ? res : 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; + uint8_t delay, activity = 0x00; + int timeout = 0, sent = 0; - return -1; + 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] = 0x00; + cp[1] = 0xfc; + cp[2] = (size * 2) + 1; + cp[3] = 0xc2; + memcpy(cp + 4, cmd, sizeof(cmd)); + memcpy(cp + 14, value, length); + + receive_packet.length = 512; + ubcsp_receive_packet(&receive_packet); + + send_packet.channel = 5; + send_packet.reliable = 1; + send_packet.length = (size * 2) + 4; + memcpy(send_packet.payload, cp, (size * 2) + 4); + + ubcsp_send_packet(&send_packet); + + while (1) { + delay = ubcsp_poll(&activity); + + if (activity & UBCSP_PACKET_RECEIVED) { + if (sent && receive_packet.channel == 5 && + receive_packet.payload[0] == 0xff) { + memcpy(rp, receive_packet.payload, + receive_packet.length); + break; + } + + receive_packet.length = 512; + ubcsp_receive_packet(&receive_packet); + timeout = 0; + } + + if (activity & UBCSP_PACKET_SENT) { + switch (varid) { + case CSR_VARID_COLD_RESET: + case CSR_VARID_WARM_RESET: + case CSR_VARID_COLD_HALT: + case CSR_VARID_WARM_HALT: + return 0; + } + + sent = 1; + timeout = 0; + } + + if (delay) { + usleep(delay * 100); + + if (timeout++ > 100) { + fprintf(stderr, "Operation timed out\n"); + return -1; + } + } + } + + if (rp[0] != 0xff || rp[2] != 0xc2) { + errno = EIO; + return -1; + } + + if ((rp[11] + (rp[12] << 8)) != 0) { + errno = ENXIO; + return -1; + } + + memcpy(value, rp + 13, length); + + return 0; } int csr_read_bcsp(uint16_t varid, uint8_t *value, uint16_t length) -- cgit From 138621bf2dbcfa89e85a35010a406d447365cf7e Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 2 Dec 2005 19:34:29 +0000 Subject: Add MicroBCSP implementation --- tools/csr_bcsp.c | 24 +----------------------- 1 file changed, 1 insertion(+), 23 deletions(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index f39a4182..2e1cea6e 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.c @@ -34,34 +34,12 @@ #include #include "csr.h" +#include "ubcsp.h" static uint16_t seqnum = 0x0000; static int fd = -1; -#ifdef HAVE_UBCSP -#include "ubcsp.h" -#else -#define UBCSP_PACKET_SENT 0x01 -#define UBCSP_PACKET_RECEIVED 0x02 -#define UBCSP_PEER_RESET 0x04 -#define UBCSP_PACKET_ACK 0x08 - -struct ubcsp_packet -{ - uint8_t channel; - uint8_t reliable; - uint8_t use_crc; - uint16_t length; - uint8_t *payload; -}; - -static inline void ubcsp_initialize(void) {} -static inline void ubcsp_send_packet(struct ubcsp_packet *send_packet) {} -static inline void ubcsp_receive_packet(struct ubcsp_packet *receive_packet) {} -static inline uint8_t ubcsp_poll(uint8_t *activity) { return 20; } -#endif - static struct ubcsp_packet send_packet; static uint8_t send_buffer[512]; -- 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_bcsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 2e1cea6e..77766114 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.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 b102348e988e4abc5d579ce13c067ce2c885aaf7 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Wed, 26 Jul 2006 13:32:44 +0000 Subject: Fix declared with attribute warn_unused_result errors --- tools/csr_bcsp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 77766114..29a60bf9 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.c @@ -136,7 +136,8 @@ int csr_open_bcsp(char *device) void put_uart(uint8_t ch) { - write(fd, &ch, 1); + if (write(fd, &ch, 1) < 0) + fprintf(stderr, "UART write error\n"); } uint8_t get_uart(uint8_t *ch) -- 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_bcsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 29a60bf9..26887414 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.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_bcsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 26887414..0dc334cb 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.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 From d048c324b31c685b6123098b415222b4ee6699bc Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Fri, 11 Jul 2008 06:45:36 +0000 Subject: Fix BCSP sent/receive handling --- tools/csr_bcsp.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) (limited to 'tools/csr_bcsp.c') diff --git a/tools/csr_bcsp.c b/tools/csr_bcsp.c index 0dc334cb..bcf56a35 100644 --- a/tools/csr_bcsp.c +++ b/tools/csr_bcsp.c @@ -188,19 +188,6 @@ static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t while (1) { delay = ubcsp_poll(&activity); - if (activity & UBCSP_PACKET_RECEIVED) { - if (sent && receive_packet.channel == 5 && - receive_packet.payload[0] == 0xff) { - memcpy(rp, receive_packet.payload, - receive_packet.length); - break; - } - - receive_packet.length = 512; - ubcsp_receive_packet(&receive_packet); - timeout = 0; - } - if (activity & UBCSP_PACKET_SENT) { switch (varid) { case CSR_VARID_COLD_RESET: @@ -214,6 +201,19 @@ static int do_command(uint16_t command, uint16_t seqnum, uint16_t varid, uint8_t timeout = 0; } + if (activity & UBCSP_PACKET_RECEIVED) { + if (sent && receive_packet.channel == 5 && + receive_packet.payload[0] == 0xff) { + memcpy(rp, receive_packet.payload, + receive_packet.length); + break; + } + + receive_packet.length = 512; + ubcsp_receive_packet(&receive_packet); + timeout = 0; + } + if (delay) { usleep(delay * 100); -- cgit