mbed base bard check program for BlueTooth USB dongle module (3 switches, 6 leds, I2C LCD, A/D)
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Diff: spp_flowcontrol.cpp
- Revision:
- 3:7b7d1273e2d5
- Parent:
- 2:871b41f4789e
--- a/spp_flowcontrol.cpp Fri Mar 22 22:35:57 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,178 +0,0 @@ -#if 0 -//***************************************************************************** -// -// spp_counter demo - it provides a SPP and sends a counter every second -// -// it doesn't use the LCD to get down to a minimal memory footpring -// -//***************************************************************************** -#include "mbed.h" -#include <btstack/hci_cmds.h> -#include <btstack/run_loop.h> -#include <btstack/sdp_util.h> -#include "hci.h" -#include "l2cap.h" -#include "btstack_memory.h" -#include "remote_device_db.h" -#include "rfcomm.h" -#include "sdp.h" -#include "config.h" -#include "debug.h" -#include "bd_addr.h" // class bd_addr - -Serial pc(USBTX, USBRX); -DigitalOut led1(LED1), led2(LED2); - -#define HEARTBEAT_PERIOD_MS 500 - -static uint8_t rfcomm_channel_nr = 1; -static uint16_t rfcomm_channel_id = 0; -static uint8_t rfcomm_send_credit = 0; -static uint8_t spp_service_buffer[128]; - -// Bluetooth logic -static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ - bd_addr_t event_addr; - uint8_t rfcomm_channel_nr; - uint16_t mtu; - - switch (packet_type) { - case HCI_EVENT_PACKET: - switch (packet[0]) { - - case BTSTACK_EVENT_STATE: - // bt stack activated, get started - set local name - if (packet[2] == HCI_STATE_WORKING) { - hci_send_cmd(&hci_write_local_name, "mbed-Demo"); - } - break; - - case HCI_EVENT_COMMAND_COMPLETE: - if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){ - bt_flip_addr(event_addr, &packet[6]); - log_info("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr)); - break; - } - if (COMMAND_COMPLETE_EVENT(packet, hci_write_local_name)){ - hci_discoverable_control(1); - break; - } - break; - - case HCI_EVENT_LINK_KEY_REQUEST: - // deny link key request - log_info("Link key request\n\r"); - bt_flip_addr(event_addr, &packet[2]); - hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr); - break; - - case HCI_EVENT_PIN_CODE_REQUEST: - // inform about pin code request - log_info("Pin code request - using '0000'\n\r"); - bt_flip_addr(event_addr, &packet[2]); - hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); - break; - - case RFCOMM_EVENT_INCOMING_CONNECTION: - // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) - bt_flip_addr(event_addr, &packet[2]); - rfcomm_channel_nr = packet[8]; - rfcomm_channel_id = READ_BT_16(packet, 9); - log_info("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr)); - rfcomm_accept_connection_internal(rfcomm_channel_id); - break; - - case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: - // data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16) - if (packet[2]) { - log_info("RFCOMM channel open failed, status %u\n\r", packet[2]); - } else { - rfcomm_channel_id = READ_BT_16(packet, 12); - mtu = READ_BT_16(packet, 14); - log_info("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu); - } - break; - - case RFCOMM_EVENT_CHANNEL_CLOSED: - rfcomm_channel_id = 0; - break; - - default: - break; - } - break; - - case RFCOMM_DATA_PACKET: - // hack: truncate data (we know that the packet is at least on byte bigger - packet[size] = 0; - puts( (const char *) packet); - rfcomm_send_credit = 1; - default: - break; - } -} - -static void heartbeat_handler(struct timer *ts){ - if (rfcomm_send_credit){ - rfcomm_grant_credits(rfcomm_channel_id, 1); - rfcomm_send_credit = 0; - } - run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS); - run_loop_add_timer(ts); - led2 = !led2; -} - -// main -int main(void) -{ - pc.baud(921600); - log_info("%s\n", __FILE__); - - // init LEDs - led1 = led2 = 1; - - /// GET STARTED with BTstack /// - btstack_memory_init(); - run_loop_init(RUN_LOOP_EMBEDDED); - - // init HCI - hci_transport_t* transport = hci_transport_usb_instance(); - remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory; - hci_init(transport, NULL, NULL, remote_db); - - // init L2CAP - l2cap_init(); - l2cap_register_packet_handler(packet_handler); - - // init RFCOMM - rfcomm_init(); - rfcomm_register_packet_handler(packet_handler); - rfcomm_register_service_with_initial_credits_internal(NULL, rfcomm_channel_nr, 100, 1); // reserved channel, mtu=100, 1 credit - - // init SDP, create record for SPP and register with SDP - sdp_init(); - memset(spp_service_buffer, 0, sizeof(spp_service_buffer)); - service_record_item_t * service_record_item = (service_record_item_t *) spp_service_buffer; - sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, 1, "SPP Counter"); - log_info("SDP service buffer size: %u\n\r", (uint16_t) (sizeof(service_record_item_t) + de_get_len((uint8_t*) &service_record_item->service_record))); - sdp_register_service_internal(NULL, service_record_item); - - // set one-shot timer - timer_source_t heartbeat; - heartbeat.process = &heartbeat_handler; - run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS); - run_loop_add_timer(&heartbeat); - - - log_info("SPP FlowControl Demo: simulates processing on received data...\n\r"); - - // turn on! - hci_power_control(HCI_POWER_ON); - - // go! - run_loop_execute(); - - // happy compiler! - return 0; -} -#endif