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documented gap le advertisement example

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This commit is contained in:
Milanka Ringwald 2015-07-08 11:36:33 +02:00
parent 87bf819c95
commit e688b81c6a
2 changed files with 45 additions and 13 deletions
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16
docs/manual/update_listings.py
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@ -8,15 +8,13 @@ list_of_groups = ["Hello World", "GAP", "SDP Queries", "SPP Server", "BNEP/PAN",
list_of_examples = {
"Hello World" : [["led_counter"]],
"GAP" : [["gap_inquiry"]],
"SDP Queries" :[["sdp_general_query"],
["sdp_bnep_query"]
],
"SPP Server" : [["spp_counter"],
["spp_flowcontrol"]],
"BNEP/PAN" : [["panu_demo"]],
"Low Energy" : [["gatt_browser"],
["le_counter"],
["le_streamer"]],
"SDP Queries" : [["sdp_general_query"],["sdp_bnep_query"]],
"SPP Server" : [["spp_counter"],["spp_flowcontrol"]],
"BNEP/PAN" : [["panu_demo"]],
"Low Energy" : [["gap_le_advertisements"],
["gatt_browser"],
["le_counter"],
["le_streamer"]],
"Dual Mode" : [["spp_and_le_counter"]],
}

42
example/embedded/gap_le_advertisements.c
View File

@ -39,7 +39,7 @@
// *****************************************************************************
/* EXAMPLE_START(gap_le_advertisements): GAP LE Advertisements Dumper
*
* @text This example shows how to scan for advertisements and how to parse them.
* @text This example shows how to scan and parse advertisements.
*
*/
// *****************************************************************************
@ -56,13 +56,29 @@
#include "hci.h"
#include "ad_parser.h"
/* @section GAP LE setup for receiving advertisements
*
* @text GAP LE advertisements are received as custom HCI events of the
* GAP_LE_ADVERTISING_REPORT type. To receive them, you'll need to register
* the HCI packet handler, as shown in Listing GAPLEAdvSetup.
*/
/* LISTING_START(GAPLEAdvSetup): Setting up GAP LE client for receiving advertisements */
static void handle_hci_event(uint8_t packet_type, uint8_t *packet, uint16_t size);
static void gap_le_advertisements_setup(){
hci_register_packet_handler(handle_hci_event);
}
/* LISTING_END */
/* @section GAP LE Advertising Data Dumper
*
* @text Here, we use the definition of advertising data types and flags as specified in
* [Assigned Numbers GAP](https://www.bluetooth.org/en-us/specification/assigned-numbers/generic-access-profile)
* and [Supplement to the Bluetooth Core Specification, v4](https://www.bluetooth.org/DocMan/handlers/DownloadDoc.ashx?doc_id=282152).
*/
/* LISTING_START(GAPLEAdvDataTypesAndFlags): Advertising data types and flags */
static char * ad_types[] = {
"",
"Flags",
@ -103,8 +119,15 @@ static char * flags[] = {
"Reserved",
"Reserved"
};
/* LISTING_END */
void dump_advertisement_data(uint8_t * adv_data, uint8_t adv_size){
/* @text BTstack offers an iterator for parsing sequence of advertising data (AD) structures,
* see [BLE advertisements parser API](appendix/apis/#ble-advertisements-parser-api).
* After initializing the iterator, each AD structure is dumped according to its type.
*/
/* LISTING_START(GAPLEAdvDataParsing): Parsing advertising data */
char * dump_advertisement_data(uint8_t * adv_data, uint8_t adv_size){
ad_context_t context;
for (ad_iterator_init(&context, adv_size, adv_data) ; ad_iterator_has_more(&context) ; ad_iterator_next(&context)){
@ -191,10 +214,20 @@ void dump_advertisement_data(uint8_t * adv_data, uint8_t adv_size){
default:
printf("Unknown Advertising Data Type\n");
break;
}
}
}
}
/* LISTING_END */
/* @section HCI packet handler
*
* @text The HCI packet handler has to start the scanning,
* and to handle received advertisements. Advertisements are received
* as HCI event packets of the GAP_LE_ADVERTISING_REPORT type,
* see Listing GAPLEAdvPacketHandler.
*/
/* LISTING_START(GAPLEAdvPacketHandler): Scanning and receiving advertisements */
static void handle_hci_event(uint8_t packet_type, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
@ -229,6 +262,7 @@ static void handle_hci_event(uint8_t packet_type, uint8_t *packet, uint16_t size
break;
}
}
/* LISTING_END */
int btstack_main(void);
int btstack_main(void)