btstack/MSP-EXP430F5438-CC256x/example/sdp_general_query.c

152 lines
4.1 KiB
C

//*****************************************************************************
//
// minimal setup for SDP client over USB or UART
//
//*****************************************************************************
#include "btstack-config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <msp430x54x.h>
#include "sdp_parser.h"
#include "sdp_client.h"
#include "sdp_query_util.h"
#include "bt_control_cc256x.h"
#include "hal_adc.h"
#include "hal_board.h"
#include "hal_compat.h"
#include "hal_lcd.h"
#include "hal_usb.h"
#include <btstack/hci_cmds.h>
#include <btstack/run_loop.h>
#include "hci.h"
#include "btstack_memory.h"
#include "hci_dump.h"
#include "l2cap.h"
static bd_addr_t remote = {0x04,0x0C,0xCE,0xE4,0x85,0xD3};
static const uint8_t des_attributeIDList[] = {0x35, 0x05, 0x0A, 0x00, 0x01, 0xff, 0xff}; // Arribute: 0x0001 - 0xffff
static const uint8_t des_serviceSearchPattern[] = {0x35, 0x03, 0x19, 0x00, 0x00};
uint16_t attribute_id = -1;
uint16_t record_id = -1;
int attribute_value_buffer_size = 1000;
uint8_t attribute_value[1000];
static void handle_general_sdp_parser_event(sdp_query_event_t * event);
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
uint8_t event = packet[0];
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
sdp_general_query_for_uuid(remote, 0x1002);
}
break;
default:
break;
}
}
static void assertBuffer(int size){
if (size > attribute_value_buffer_size){
printf("Buffer size exceeded: available %d, required %d", attribute_value_buffer_size, size);
}
}
static void handle_general_sdp_parser_event(sdp_query_event_t * event){
sdp_query_attribute_value_event_t * ve;
sdp_query_complete_event_t * ce;
switch (event->type){
case SDP_QUERY_ATTRIBUTE_VALUE:
ve = (sdp_query_attribute_value_event_t*) event;
// handle new record
if (ve->record_id != record_id){
record_id = ve->record_id;
printf("\n---\nRecord nr. %u\n", record_id);
}
assertBuffer(ve->attribute_length);
attribute_value[ve->data_offset] = ve->data;
if ((uint16_t)(ve->data_offset+1) == ve->attribute_length){
printf("Attribute 0x%04x: ", ve->attribute_id);
de_dump_data_element(attribute_value);
}
break;
case SDP_QUERY_COMPLETE:
ce = (sdp_query_complete_event_t*) event;
printf("General query done with status %d.\n\n", ce->status);
break;
}
}
static void hw_setup(){
// stop watchdog timer
WDTCTL = WDTPW + WDTHOLD;
//Initialize clock and peripherals
halBoardInit();
halBoardStartXT1();
halBoardSetSystemClock(SYSCLK_16MHZ);
// init debug UART
halUsbInit();
// init LEDs
LED_PORT_OUT |= LED_1 | LED_2;
LED_PORT_DIR |= LED_1 | LED_2;
// ready - enable irq used in h4 task
__enable_interrupt();
}
static void btstack_setup(){
/// GET STARTED with BTstack ///
btstack_memory_init();
run_loop_init(RUN_LOOP_EMBEDDED);
// init HCI
hci_transport_t * transport = hci_transport_h4_dma_instance();
bt_control_t * control = bt_control_cc256x_instance();
hci_uart_config_t * config = hci_uart_config_cc256x_instance();
remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
hci_init(transport, config, control, remote_db);
// use eHCILL
bt_control_cc256x_enable_ehcill(1);
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
}
int main(void){
sdp_parser_init();
sdp_parser_register_callback(handle_general_sdp_parser_event);
hw_setup();
btstack_setup();
// turn on!
hci_power_control(HCI_POWER_ON);
// go!
run_loop_execute();
return 0;
}