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Viewing changes to tools/hciattach_tialt.c

  • Committer: Simon Fels
  • Date: 2015-09-11 09:01:46 UTC
  • Revision ID: morphis@gravedo.de-20150911090146-4c0ln9s7ec3xf0nx
Import package bluez_4.101-0ubuntu25.1~overlay4 from stable phone overlay PPA

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tools/hciattach_tialt.c
 
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/*
 
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 *
 
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 *  BlueZ - Bluetooth protocol stack for Linux
 
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 *
 
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 *  Copyright (C) 2005-2010  Marcel Holtmann <marcel@holtmann.org>
 
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 *
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
10
 *  the Free Software Foundation; either version 2 of the License, or
 
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 *  (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
 
16
 *  GNU General Public License for more details.
 
17
 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 *
 
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 */
 
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#ifdef HAVE_CONFIG_H
 
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#include <config.h>
 
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#endif
 
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#include <stdio.h>
 
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#include <errno.h>
 
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#include <fcntl.h>
 
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#include <unistd.h>
 
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#include <stdlib.h>
 
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#include <string.h>
 
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#include <signal.h>
 
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#include <syslog.h>
 
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#include <termios.h>
 
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#include <time.h>
 
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#include <sys/time.h>
 
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#include <sys/poll.h>
 
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#include <sys/param.h>
 
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#include <sys/ioctl.h>
 
42
 
 
43
#include <bluetooth/bluetooth.h>
 
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#include <bluetooth/hci.h>
 
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#include <bluetooth/hci_lib.h>
 
46
 
 
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#include "hciattach.h"
 
48
 
 
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#define FAILIF(x, args...) do {   \
 
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        if (x) {                                          \
 
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                fprintf(stderr, ##args);  \
 
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                return -1;                                \
 
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        }                                                         \
 
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} while(0)
 
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typedef struct {
 
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        uint8_t uart_prefix;
 
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        hci_event_hdr hci_hdr;
 
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        evt_cmd_complete cmd_complete;
 
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        uint8_t status;
 
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        uint8_t data[16];
 
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} __attribute__((packed)) command_complete_t;
 
63
 
 
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static int read_command_complete(int fd, unsigned short opcode, unsigned char len) {
 
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        command_complete_t resp;
 
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        /* Read reply. */
 
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        FAILIF(read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0,
 
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                   "Failed to read response");
 
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        /* Parse speed-change reply */
 
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        FAILIF(resp.uart_prefix != HCI_EVENT_PKT,
 
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                   "Error in response: not an event packet, but 0x%02x!\n",
 
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                   resp.uart_prefix);
 
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        FAILIF(resp.hci_hdr.evt != EVT_CMD_COMPLETE, /* event must be event-complete */
 
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                   "Error in response: not a cmd-complete event, "
 
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                   "but 0x%02x!\n", resp.hci_hdr.evt);
 
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        FAILIF(resp.hci_hdr.plen < 4, /* plen >= 4 for EVT_CMD_COMPLETE */
 
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                   "Error in response: plen is not >= 4, but 0x%02x!\n",
 
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                   resp.hci_hdr.plen);
 
82
 
 
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        /* cmd-complete event: opcode */
 
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        FAILIF(resp.cmd_complete.opcode != (uint16_t)opcode,
 
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                   "Error in response: opcode is 0x%04x, not 0x%04x!",
 
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                   resp.cmd_complete.opcode, opcode);
 
87
 
 
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        return resp.status == 0 ? 0 : -1;
 
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}
 
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typedef struct {
 
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        uint8_t uart_prefix;
 
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        hci_command_hdr hci_hdr;
 
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        uint32_t speed;
 
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} __attribute__((packed)) texas_speed_change_cmd_t;
 
96
 
 
97
static int texas_change_speed(int fd, uint32_t speed)
 
98
{
 
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        return 0;
 
100
}
 
101
 
 
102
static int texas_load_firmware(int fd, const char *firmware) {
 
103
 
 
104
        int fw = open(firmware, O_RDONLY);
 
105
 
 
106
        fprintf(stdout, "Opening firmware file: %s\n", firmware);
 
107
 
 
108
        FAILIF(fw < 0,
 
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                   "Could not open firmware file %s: %s (%d).\n",
 
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                   firmware, strerror(errno), errno);
 
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112
        fprintf(stdout, "Uploading firmware...\n");
 
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        do {
 
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                /* Read each command and wait for a response. */
 
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                unsigned char data[1024];
 
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                unsigned char cmdp[1 + sizeof(hci_command_hdr)];
 
117
                hci_command_hdr *cmd = (hci_command_hdr *)(cmdp + 1);
 
118
                int nr;
 
119
                nr = read(fw, cmdp, sizeof(cmdp));
 
120
                if (!nr)
 
121
                        break;
 
122
                FAILIF(nr != sizeof(cmdp), "Could not read H4 + HCI header!\n");
 
123
                FAILIF(*cmdp != HCI_COMMAND_PKT, "Command is not an H4 command packet!\n");
 
124
 
 
125
                FAILIF(read(fw, data, cmd->plen) != cmd->plen,
 
126
                           "Could not read %d bytes of data for command with opcode %04x!\n",
 
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                           cmd->plen,
 
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                           cmd->opcode);
 
129
 
 
130
                {
 
131
                        int nw;
 
132
#if 0
 
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                        fprintf(stdout, "\topcode 0x%04x (%d bytes of data).\n",
 
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                                        cmd->opcode,
 
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                                        cmd->plen);
 
136
#endif
 
137
                        struct iovec iov_cmd[2];
 
138
                        iov_cmd[0].iov_base = cmdp;
 
139
                        iov_cmd[0].iov_len      = sizeof(cmdp);
 
140
                        iov_cmd[1].iov_base = data;
 
141
                        iov_cmd[1].iov_len      = cmd->plen;
 
142
                        nw = writev(fd, iov_cmd, 2);
 
143
                        FAILIF(nw != (int) sizeof(cmd) +        cmd->plen,
 
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                                   "Could not send entire command (sent only %d bytes)!\n",
 
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                                   nw);
 
146
                }
 
147
 
 
148
                /* Wait for response */
 
149
                if (read_command_complete(fd,
 
150
                                                                  cmd->opcode,
 
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                                                                  cmd->plen) < 0) {
 
152
                        return -1;
 
153
                }
 
154
 
 
155
        } while(1);
 
156
        fprintf(stdout, "Firmware upload successful.\n");
 
157
 
 
158
        close(fw);
 
159
        return 0;
 
160
}
 
161
 
 
162
int texasalt_init(int fd, int speed, struct termios *ti)
 
163
{
 
164
        struct timespec tm = {0, 50000};
 
165
        char cmd[4];
 
166
        unsigned char resp[100];                /* Response */
 
167
        int n;
 
168
 
 
169
        memset(resp,'\0', 100);
 
170
 
 
171
        /* It is possible to get software version with manufacturer specific
 
172
           HCI command HCI_VS_TI_Version_Number. But the only thing you get more
 
173
           is if this is point-to-point or point-to-multipoint module */
 
174
 
 
175
        /* Get Manufacturer and LMP version */
 
176
        cmd[0] = HCI_COMMAND_PKT;
 
177
        cmd[1] = 0x01;
 
178
        cmd[2] = 0x10;
 
179
        cmd[3] = 0x00;
 
180
 
 
181
        do {
 
182
                n = write(fd, cmd, 4);
 
183
                if (n < 0) {
 
184
                        perror("Failed to write init command (READ_LOCAL_VERSION_INFORMATION)");
 
185
                        return -1;
 
186
                }
 
187
                if (n < 4) {
 
188
                        fprintf(stderr, "Wanted to write 4 bytes, could only write %d. Stop\n", n);
 
189
                        return -1;
 
190
                }
 
191
 
 
192
                /* Read reply. */
 
193
                if (read_hci_event(fd, resp, 100) < 0) {
 
194
                        perror("Failed to read init response (READ_LOCAL_VERSION_INFORMATION)");
 
195
                        return -1;
 
196
                }
 
197
 
 
198
                /* Wait for command complete event for our Opcode */
 
199
        } while (resp[4] != cmd[1] && resp[5] != cmd[2]);
 
200
 
 
201
        /* Verify manufacturer */
 
202
        if ((resp[11] & 0xFF) != 0x0d)
 
203
                fprintf(stderr,"WARNING : module's manufacturer is not Texas Instrument\n");
 
204
 
 
205
        /* Print LMP version */
 
206
        fprintf(stderr, "Texas module LMP version : 0x%02x\n", resp[10] & 0xFF);
 
207
 
 
208
        /* Print LMP subversion */
 
209
        {
 
210
                unsigned short lmp_subv = resp[13] | (resp[14] << 8);
 
211
                unsigned short brf_chip = (lmp_subv & 0x7c00) >> 10;
 
212
                static const char *c_brf_chip[8] = {
 
213
                        "unknown",
 
214
                        "unknown",
 
215
                        "brf6100",
 
216
                        "brf6150",
 
217
                        "brf6300",
 
218
                        "brf6350",
 
219
                        "unknown",
 
220
                        "wl1271"
 
221
                };
 
222
                char fw[100];
 
223
 
 
224
                fprintf(stderr, "Texas module LMP sub-version : 0x%04x\n", lmp_subv);
 
225
 
 
226
                fprintf(stderr,
 
227
                                "\tinternal version freeze: %d\n"
 
228
                                "\tsoftware version: %d\n"
 
229
                                "\tchip: %s (%d)\n",
 
230
                                lmp_subv & 0x7f,
 
231
                                ((lmp_subv & 0x8000) >> (15-3)) | ((lmp_subv & 0x380) >> 7),
 
232
                                ((brf_chip > 7) ? "unknown" : c_brf_chip[brf_chip]),
 
233
                                brf_chip);
 
234
 
 
235
                sprintf(fw, "/etc/firmware/%s.bin", c_brf_chip[brf_chip]);
 
236
                texas_load_firmware(fd, fw);
 
237
 
 
238
                texas_change_speed(fd, speed);
 
239
        }
 
240
        nanosleep(&tm, NULL);
 
241
        return 0;
 
242
}