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gatt-service/bas-server: emit broadcast started/stopped

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This commit is contained in:
Matthias Ringwald 2024-11-13 09:23:38 +01:00
parent f368eb91f4
commit feeb84592b
2 changed files with 28 additions and 1 deletions
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23
src/ble/gatt-service/battery_service_v1_server.c
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@ -50,6 +50,7 @@
#include "btstack_debug.h"
#include "ble/gatt-service/battery_service_v1_server.h"
#include "hci_event_builder.h"
#define BAS_TASK_BATTERY_LEVEL_CHANGED 0x0001
#define BAS_TASK_BATTERY_LEVEL_STATUS_CHANGED 0x0002
@ -97,6 +98,7 @@ static const char * bas_uuid16_name[BAS_CHARACTERISTIC_INDEX_NUM] = {
static uint16_t bas_service_id_counter = 0;
static btstack_linked_list_t battery_services;
static btstack_packet_handler_t battery_service_app_callback;
#define MEDFLOAT16_POSITIVE_INFINITY 0x07FE
#define MEDFLOAT16_NOT_A_NUMBER 0x07FF
@ -464,7 +466,21 @@ static int battery_service_write_callback(hci_con_handle_t con_handle, uint16_t
}
if (attribute_handle == service->battery_level_status_broadcast_configuration_handle){
service->battery_level_status_broadcast_configuration = little_endian_read_16(buffer, 0);
uint8_t new_value = little_endian_read_16(buffer, 0);
bool broadcast_old = (service->battery_level_status_broadcast_configuration & 1) != 0;
bool broadcast_new = (new_value & 1) != 0;
if (broadcast_old != broadcast_new){
// emit broadcast start/stop based on value of broadcast_new
uint8_t event[5];
hci_event_builder_context_t context;
uint8_t subevent_type = broadcast_new ? GATTSERVICE_SUBEVENT_BATTERY_SERVICE_LEVEL_BROADCAST_START : GATTSERVICE_SUBEVENT_BATTERY_SERVICE_LEVEL_BROADCAST_STOP;
hci_event_builder_init(&context, event, sizeof(buffer), HCI_EVENT_GATTSERVICE_META, subevent_type);
hci_event_builder_add_16(&context, service->service_id);
if (battery_service_app_callback != NULL){
(*battery_service_app_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
}
service->battery_level_status_broadcast_configuration = new_value;
return 0;
}
@ -868,6 +884,11 @@ uint8_t battery_service_v1_server_set_serial_number(battery_service_v1_t * servi
return ERROR_CODE_SUCCESS;
}
void battery_service_v1_server_set_packet_handler(btstack_packet_handler_t callback){
btstack_assert(callback != NULL);
battery_service_app_callback = callback;
}
void battery_service_v1_server_deregister(battery_service_v1_t *service){
btstack_linked_list_remove(&battery_services, (btstack_linked_item_t * )service);
// TODO cansel can send now

6
src/ble/gatt-service/battery_service_v1_server.h
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@ -312,6 +312,12 @@ void battery_service_v1_server_register(battery_service_v1_t * service, battery_
*/
void battery_service_v1_server_deregister(battery_service_v1_t * service);
/**
* @brief Set callback for broadcast updates.
* @param callback
*/
void battery_service_v1_server_set_packet_handler(btstack_packet_handler_t callback);
/**
* @brief Update battery level
* @note Triggers notification if subscribed