966a967,1089
> /* Alter connection timeout (for all connections, unfortunately) */
>
> static struct option ftmo_options[] = {
> { "help", 0, 0, 'h' },
> { "tmout", 1, 0, 't' },
> { 0, 0, 0, 0 }
> };
>
> static char *ftmo_help =
> "Usage:\n"
> "\tftmo --tmout=value bdaddr\n"
> "Sets the flush timeout value to 0.625msec * value for bdaddr\n"
> "Will change reliability for all connections from microcontroller\n";
>
> static void cmd_ftmo(int dev_id, int argc, char **argv)
> {
> int err = 0, dd, opt, timeout;
> struct hci_conn_info_req *cr = 0;
> struct hci_request rq = { 0 };
> bdaddr_t *ba;
>
> struct {
> uint16_t handle;
> uint16_t flush_timeout;
> } cmd_param;
>
> struct {
> uint8_t status;
> uint16_t handle;
> } cmd_response;
>
> for_each_opt(opt, ftmo_options, NULL) {
> switch (opt) {
>
> case 't':
> timeout = atoi( optarg );
>
> if( timeout < 0) {
> printf("Must be 1 or greater, or 0 for no timeout\n");
> printf(ftmo_help);
> }
>
> break;
>
> default:
> printf(ftmo_help);
> return;
> }
> }
>
> argc -= optind;
> argv += optind;
>
> if (argc < 1) {
> printf(ftmo_help);
> return;
> }
>
> ba = (bdaddr_t *)malloc( sizeof( bdaddr_t ) );
> str2ba(argv[0], ba);
>
> if (dev_id < 0) {
> dev_id = hci_get_route(ba);
> if (dev_id < 0) {
> perror("Error in obtaining route to device\n");
> return;
> }
> }
>
> // find the connection handle to the specified bluetooth device
> cr = (struct hci_conn_info_req*) malloc(
> sizeof(struct hci_conn_info_req) +
> sizeof(struct hci_conn_info));
>
> bacpy( &cr->bdaddr, ba );
>
> cr->type = ACL_LINK;
>
> dd = hci_open_dev( dev_id );
>
> if( dd < 0 ) {
> err = dd;
> goto cleanup;
> }
>
> err = ioctl(dd, HCIGETCONNINFO, (unsigned long) cr );
>
> if( err ) {
> fprintf(stderr, "Could not get connection handle, is one established yet?\n");
> goto cleanup;
> }
>
> // build a command packet to send to the bluetooth microcontroller
> cmd_param.handle = cr->conn_info->handle;
> cmd_param.flush_timeout = htobs(timeout);
> rq.ogf = OGF_HOST_CTL;
> rq.ocf = 0x28;
> rq.cparam = &cmd_param;
> rq.clen = sizeof(cmd_param);
> rq.rparam = &cmd_response;
> rq.rlen = sizeof(cmd_response);
> rq.event = EVT_CMD_COMPLETE;
>
> // send the command and wait for the response
> err = hci_send_req( dd, &rq, 0 );
>
> if( err ) {
> perror("Could not send request to the microcontroller");
> goto cleanup;
> }
>
> if( cmd_response.status ) {
> err = -1;
> errno = bt_error(cmd_response.status);
> }
>
> cleanup:
> free(cr);
> if( dd >= 0)
> close(dd);
> return;
> }
>
2055a2179
> { "ftmo", cmd_ftmo, "Modify microcontroller flush timeout" },
Hi Albert,
> better might be to patch the bluez-libs and then patch hcitool to call
> a library function.
correct and please use unified diffs.
Regards
Marcel
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oh gee, I dunno. Marcel hates my coding style ;)
better might be to patch the bluez-libs and then patch hcitool to call a
library function.
-albert
On 12/5/05, Jim Wyllie <[email protected]> wrote:
>
> I had to write a program which changed the flush timeout for a Bluetooth
> connection. I integrated it into my version of hcitool since that
> seemed the appropriate place for it. The patch applies to hcitool in
> bluez-utils 2.22, and adds the 'ftmo' option (for flush timeout). Let
> me know if you want me to make any changes.
>
> Jim Wyllie
> IRG Lab
> Ohio University
>
>
> 966a967,1089
> > /* Alter connection timeout (for all connections, unfortunately) */
> >
> > static struct option ftmo_options[] = {
> > { "help", 0, 0, 'h' },
> > { "tmout", 1, 0, 't' },
> > { 0, 0, 0, 0 }
> > };
> >
> > static char *ftmo_help =
> > "Usage:\n"
> > "\tftmo --tmout=value bdaddr\n"
> > "Sets the flush timeout value to 0.625msec * value for bdaddr\n"
> > "Will change reliability for all connections from
> microcontroller\n";
> >
> > static void cmd_ftmo(int dev_id, int argc, char **argv)
> > {
> > int err = 0, dd, opt, timeout;
> > struct hci_conn_info_req *cr = 0;
> > struct hci_request rq = { 0 };
> > bdaddr_t *ba;
> >
> > struct {
> > uint16_t handle;
> > uint16_t flush_timeout;
> > } cmd_param;
> >
> > struct {
> > uint8_t status;
> > uint16_t handle;
> > } cmd_response;
> >
> > for_each_opt(opt, ftmo_options, NULL) {
> > switch (opt) {
> >
> > case 't':
> > timeout = atoi( optarg );
> >
> > if( timeout < 0) {
> > printf("Must be 1 or greater, or 0 for no
> timeout\n");
> > printf(ftmo_help);
> > }
> >
> > break;
> >
> > default:
> > printf(ftmo_help);
> > return;
> > }
> > }
> >
> > argc -= optind;
> > argv += optind;
> >
> > if (argc < 1) {
> > printf(ftmo_help);
> > return;
> > }
> >
> > ba = (bdaddr_t *)malloc( sizeof( bdaddr_t ) );
> > str2ba(argv[0], ba);
> >
> > if (dev_id < 0) {
> > dev_id = hci_get_route(ba);
> > if (dev_id < 0) {
> > perror("Error in obtaining route to device\n");
> > return;
> > }
> > }
> >
> > // find the connection handle to the specified bluetooth device
> > cr = (struct hci_conn_info_req*) malloc(
> > sizeof(struct hci_conn_info_req) +
> > sizeof(struct hci_conn_info));
> >
> > bacpy( &cr->bdaddr, ba );
> >
> > cr->type = ACL_LINK;
> >
> > dd = hci_open_dev( dev_id );
> >
> > if( dd < 0 ) {
> > err = dd;
> > goto cleanup;
> > }
> >
> > err = ioctl(dd, HCIGETCONNINFO, (unsigned long) cr );
> >
> > if( err ) {
> > fprintf(stderr, "Could not get connection handle, is one
> established yet?\n");
> > goto cleanup;
> > }
> >
> > // build a command packet to send to the bluetooth microcontroller
> > cmd_param.handle = cr->conn_info->handle;
> > cmd_param.flush_timeout = htobs(timeout);
> > rq.ogf = OGF_HOST_CTL;
> > rq.ocf = 0x28;
> > rq.cparam = &cmd_param;
> > rq.clen = sizeof(cmd_param);
> > rq.rparam = &cmd_response;
> > rq.rlen = sizeof(cmd_response);
> > rq.event = EVT_CMD_COMPLETE;
> >
> > // send the command and wait for the response
> > err = hci_send_req( dd, &rq, 0 );
> >
> > if( err ) {
> > perror("Could not send request to the microcontroller");
> > goto cleanup;
> > }
> >
> > if( cmd_response.status ) {
> > err = -1;
> > errno = bt_error(cmd_response.status);
> > }
> >
> > cleanup:
> > free(cr);
> > if( dd >= 0)
> > close(dd);
> > return;
> > }
> >
> 2055a2179
> > { "ftmo", cmd_ftmo, "Modify microcontroller flush timeout" },
>
>
>