mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-23 09:41:03 +00:00
added SPP Counter code and outgoing RFCOMM
This commit is contained in:
matthias.ringwald@gmail.com
parent
5552b3108e
commit
dda720b1b2
@ -23,6 +23,8 @@
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#include "btstack_memory.h"
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#include "hci_dump.h"
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#include "l2cap.h"
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#include "rfcomm.h"
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#include "sdp.h"
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#include "sdp_query_rfcomm.h"
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#include "sm.h"
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@ -48,6 +50,13 @@ static int ui_pin_offset = 0;
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static uint16_t handle;
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static uint16_t local_cid;
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// SPP / RFCOMM
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#define RFCOMM_SERVER_CHANNEL 1
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#define HEARTBEAT_PERIOD_MS 1000
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static uint16_t rfcomm_channel_id;
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static uint8_t spp_service_buffer[150];
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static uint16_t mtu;
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// GAP INQUIRY
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#define MAX_DEVICES 10
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@ -255,12 +264,13 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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local_cid = READ_BT_16(packet, 13);
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handle = READ_BT_16(packet, 9);
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if (packet[2] == 0) {
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printf("Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
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printf("L2CAP Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
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bd_addr_to_str(remote), handle, psm, local_cid, READ_BT_16(packet, 15));
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} else {
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printf("L2CAP connection to device %s failed. status code %u\n", bd_addr_to_str(remote), packet[2]);
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}
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break;
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case L2CAP_EVENT_INCOMING_CONNECTION: {
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uint16_t l2cap_cid = READ_BT_16(packet, 12);
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printf("L2CAP Accepting incoming connection request\n");
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@ -268,6 +278,34 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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break;
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}
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case RFCOMM_EVENT_INCOMING_CONNECTION:
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// data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
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bt_flip_addr(remote, &packet[2]);
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rfcomm_channel_nr = packet[8];
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rfcomm_channel_id = READ_BT_16(packet, 9);
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printf("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(remote));
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rfcomm_accept_connection_internal(rfcomm_channel_id);
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break;
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case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
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// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
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if (packet[2]) {
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printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
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} else {
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rfcomm_channel_id = READ_BT_16(packet, 12);
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mtu = READ_BT_16(packet, 14);
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if (mtu > 60){
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printf("BTstack libusb hack: using reduced MTU for sending instead of %u\n", mtu);
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mtu = 60;
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}
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printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
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}
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break;
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case RFCOMM_EVENT_CHANNEL_CLOSED:
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rfcomm_channel_id = 0;
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break;
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default:
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break;
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}
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@ -311,6 +349,23 @@ void handle_query_rfcomm_event(sdp_query_event_t * event, void * context){
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}
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}
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static void heartbeat_handler(struct timer *ts){
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if (rfcomm_channel_id){
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static int counter = 0;
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char lineBuffer[30];
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sprintf(lineBuffer, "BTstack counter %04u\n\r", ++counter);
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puts(lineBuffer);
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int err = rfcomm_send_internal(rfcomm_channel_id, (uint8_t*) lineBuffer, strlen(lineBuffer));
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if (err) {
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printf("rfcomm_send_internal -> error 0X%02x", err);
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}
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}
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run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS);
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run_loop_add_timer(ts);
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}
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void show_usage(){
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printf("\n--- Bluetooth Classic Test Console ---\n");
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@ -336,13 +391,13 @@ void show_usage(){
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printf("---\n");
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printf("k - query %s for RFCOMM channel\n", bd_addr_to_str(remote));
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printf("l - create RFCOMM connection to %s using channel #%u\n", bd_addr_to_str(remote), rfcomm_channel_nr);
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printf("l - send RFCOMM data\n");
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printf("m - close RFCOMM connection\n");
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printf("n - send RFCOMM data\n");
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printf("o - close RFCOMM connection\n");
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printf("---\n");
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printf("n - create L2CAP channel to SDP at addr %s\n", bd_addr_to_str(remote));
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printf("o - send L2CAP data\n");
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printf("p - send L2CAP ECHO request\n");
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printf("q - close L2CAP channel\n");
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printf("p - create L2CAP channel to SDP at addr %s\n", bd_addr_to_str(remote));
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printf("q - send L2CAP data\n");
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printf("r - send L2CAP ECHO request\n");
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printf("s - close L2CAP channel\n");
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printf("---\n");
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printf("Ctrl-c - exit\n");
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printf("---\n");
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@ -459,23 +514,36 @@ int stdin_process(struct data_source *ds){
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hci_send_cmd(&hci_disconnect, handle, 0x13); // remote closed connection
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break;
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case 'n':
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case 'p':
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printf("Creating L2CAP Connection to %s, PSM SDP\n", bd_addr_to_str(remote));
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l2cap_create_channel_internal(NULL, packet_handler, remote, PSM_SDP, 100);
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break;
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case 'o':
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case 'q':
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printf("Send L2CAP Data\n");
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l2cap_send_internal(local_cid, (uint8_t *) "0123456789", 10);
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break;
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case 'p':
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case 'r':
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printf("Send L2CAP ECHO Request\n");
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l2cap_send_echo_request(handle, (uint8_t *) "Hello World!", 13);
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break;
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case 'q':
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case 's':
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printf("L2CAP Channel Closed\n");
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l2cap_disconnect_internal(local_cid, 0);
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break;
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case 'l':
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printf("Creating RFCOMM Channel to %s #%u\n", bd_addr_to_str(remote), rfcomm_channel_nr);
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rfcomm_create_channel_internal(NULL, &remote, rfcomm_channel_nr);
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break;
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case 'n':
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printf("Send RFCOMM Data\n"); // mtu < 60
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rfcomm_send_internal(rfcomm_channel_id, (uint8_t *) "012345678901234567890123456789012345678901234567890123456789", mtu);
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break;
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case 'o':
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printf("RFCOMM Channel Closed\n");
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rfcomm_disconnect_internal(rfcomm_channel_id);
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break;
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default:
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show_usage();
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break;
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@ -526,8 +594,23 @@ static void btstack_setup(){
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l2cap_init();
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l2cap_register_packet_handler(&packet_handler2);
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l2cap_register_service_internal(NULL, packet_handler, PSM_SDP, 100, LEVEL_0);
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l2cap_register_service_internal(NULL, packet_handler, PSM_SDP, 150, LEVEL_0);
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rfcomm_init();
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rfcomm_register_packet_handler(packet_handler2);
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rfcomm_register_service_internal(NULL, RFCOMM_SERVER_CHANNEL, 150); // reserved channel, mtu=100
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// init SDP, create record for SPP and register with SDP
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sdp_init();
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memset(spp_service_buffer, 0, sizeof(spp_service_buffer));
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// service_record_item_t * service_record_item = (service_record_item_t *) spp_service_buffer;
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// sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, RFCOMM_SERVER_CHANNEL, "SPP Counter");
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// printf("SDP service buffer size: %u\n\r", (uint16_t) (sizeof(service_record_item_t) + de_get_len((uint8_t*) &service_record_item->service_record)));
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// sdp_register_service_internal(NULL, service_record_item);
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sdp_create_spp_service( spp_service_buffer, RFCOMM_SERVER_CHANNEL, "SPP Counter");
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printf("SDP service record size: %u\n\r", de_get_len(spp_service_buffer));
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sdp_register_service_internal(NULL, spp_service_buffer);
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sdp_query_rfcomm_register_callback(handle_query_rfcomm_event, NULL);
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hci_discoverable_control(0);
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@ -540,6 +623,13 @@ static void btstack_setup(){
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int main(void){
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btstack_setup();
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setup_cli();
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// set one-shot timer
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timer_source_t heartbeat;
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heartbeat.process = &heartbeat_handler;
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run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
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run_loop_add_timer(&heartbeat);
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run_loop_execute();
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return 0;
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}
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@ -29,7 +29,6 @@
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#define HEARTBEAT_PERIOD_MS 1000
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static uint16_t rfcomm_channel_id;
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static uint8_t spp_service_buffer[150];
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