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use rfcomm channel nr assigned by BTstack

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This commit is contained in:
matthias.ringwald 2011-05-01 11:58:46 +00:00
parent a7c3dae54a
commit 7bdb90b562
1 changed files with 84 additions and 77 deletions
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161
example/rfcomm-echo.c
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@ -52,6 +52,75 @@ uint16_t con_handle;
int rfcomm_channel = 1;
char pin[17];
uint8_t service_buffer[100];
void create_spp_service(uint8_t *service, int service_id){
uint8_t* attribute;
de_create_sequence(service);
// 0x0001 "Service Class ID List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0001);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_16, 0x1101 );
}
de_pop_sequence(service, attribute);
// 0x0004 "Protocol Descriptor List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0004);
attribute = de_push_sequence(service);
{
uint8_t* l2cpProtocol = de_push_sequence(attribute);
{
de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, 0x0100);
}
de_pop_sequence(attribute, l2cpProtocol);
uint8_t* rfcomm = de_push_sequence(attribute);
{
de_add_number(rfcomm, DE_UUID, DE_SIZE_16, 0x0003); // rfcomm_service
de_add_number(rfcomm, DE_UINT, DE_SIZE_8, service_id); // rfcomm channel
}
de_pop_sequence(attribute, rfcomm);
}
de_pop_sequence(service, attribute);
// 0x0005 "Public Browse Group"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0005); // public browse group
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_16, 0x1002 );
}
de_pop_sequence(service, attribute);
// 0x0006
de_add_number(service, DE_UINT, DE_SIZE_16, SDP_LanguageBaseAttributeIDList);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
}
de_pop_sequence(service, attribute);
// 0x0009 "Bluetooth Profile Descriptor List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0009);
attribute = de_push_sequence(service);
{
uint8_t *sppProfile = de_push_sequence(attribute);
{
de_add_number(sppProfile, DE_UUID, DE_SIZE_16, 0x1101);
de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0100);
}
de_pop_sequence(attribute, sppProfile);
}
de_pop_sequence(service, attribute);
// 0x0100 "ServiceName"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100);
de_add_data(service, DE_STRING, 3, (uint8_t *) "SPP ECHO");
}
void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
bd_addr_t event_addr;
uint16_t mtu;
@ -82,10 +151,23 @@ void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING) {
bt_send_cmd(&btstack_set_discoverable, 1);
// register RFCOMM channel
bt_send_cmd(&rfcomm_register_service, 0x4711, 100); // random registration ID
}
break;
case RFCOMM_EVENT_SERVICE_REGISTERED:
rfcomm_channel_nr = packet[5];
printf("RFCOMM channel %u was assigned by BTdaemon\n", rfcomm_channel_nr);
// register SDP for our SPP
create_spp_service(service_buffer, rfcomm_channel_nr);
bt_send_cmd(&sdp_register_service_record, service_buffer);
break;
case SDP_SERVICE_REGISTERED:
bt_send_cmd(&btstack_set_discoverable, 1);
break;
case HCI_EVENT_PIN_CODE_REQUEST:
// inform about pin code request
printf("Using PIN 0000\n");
@ -131,74 +213,6 @@ void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint
}
}
uint8_t service_buffer[100];
void create_spp_service(uint8_t *service){
uint8_t* attribute;
de_create_sequence(service);
// 0x0001 "Service Class ID List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0001);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_16, 0x1101 );
}
de_pop_sequence(service, attribute);
// 0x0004 "Protocol Descriptor List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0004);
attribute = de_push_sequence(service);
{
uint8_t* l2cpProtocol = de_push_sequence(attribute);
{
de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, 0x0100);
}
de_pop_sequence(attribute, l2cpProtocol);
uint8_t* rfcomm = de_push_sequence(attribute);
{
de_add_number(rfcomm, DE_UUID, DE_SIZE_16, 0x0003); // rfcomm_service
de_add_number(rfcomm, DE_UINT, DE_SIZE_8, 0x0001); // rfcomm channel
}
de_pop_sequence(attribute, rfcomm);
}
de_pop_sequence(service, attribute);
// 0x0005 "Public Browse Group"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0005); // public browse group
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UUID, DE_SIZE_16, 0x1002 );
}
de_pop_sequence(service, attribute);
// 0x0006
de_add_number(service, DE_UINT, DE_SIZE_16, SDP_LanguageBaseAttributeIDList);
attribute = de_push_sequence(service);
{
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
}
de_pop_sequence(service, attribute);
// 0x0009 "Bluetooth Profile Descriptor List"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0009);
attribute = de_push_sequence(service);
{
uint8_t *sppProfile = de_push_sequence(attribute);
{
de_add_number(sppProfile, DE_UUID, DE_SIZE_16, 0x1101);
de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0100);
}
de_pop_sequence(attribute, sppProfile);
}
de_pop_sequence(service, attribute);
// 0x0100 "ServiceName"
de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100);
de_add_data(service, DE_STRING, 3, (uint8_t *) "SPP ECHO");
}
int main (int argc, const char * argv[]){
@ -209,13 +223,6 @@ int main (int argc, const char * argv[]){
return 1;
}
bt_register_packet_handler(packet_handler);
// register RFCOM channel
bt_send_cmd(&rfcomm_register_service, 1, 100);
// register SDP for our SPP
create_spp_service(service_buffer);
bt_send_cmd(&sdp_register_service_record, service_buffer);
bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
run_loop_execute();