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https://github.com/bluekitchen/btstack.git
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hids_client: implement hids_client_send_report
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4274fa7022
commit
1624214b8f
@ -57,6 +57,7 @@
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static btstack_linked_list_t clients;
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static uint16_t hids_cid_counter = 0;
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static uint16_t hids_report_counter = 0;
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static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
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@ -69,6 +70,15 @@ static uint16_t hids_get_next_cid(void){
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return hids_cid_counter;
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}
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static uint8_t hids_get_next_report_index(void){
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if (hids_report_counter < HIDS_CLIENT_NUM_REPORTS) {
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hids_report_counter++;
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} else {
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hids_report_counter = HIDS_CLIENT_INVALID_REPORT_INDEX;
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}
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return hids_report_counter;
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}
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static hids_client_t * hids_create_client(hci_con_handle_t con_handle, uint16_t cid){
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hids_client_t * client = btstack_memory_hids_client_get();
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if (!client){
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@ -182,6 +192,15 @@ static void hids_run_for_client(hids_client_t * client){
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hids_emit_connection_established(client, ERROR_CODE_SUCCESS);
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break;
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case HIDS_CLIENT_W2_SEND_REPORT:{
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client->state = HIDS_CLIENT_STATE_CONNECTED;
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att_status = gatt_client_write_value_of_characteristic_without_response(client->con_handle,
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client->reports[client->active_report_index].value_handle,
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client->report_len, (uint8_t *)client->report);
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UNUSED(att_status);
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break;
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}
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default:
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break;
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}
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@ -230,6 +249,26 @@ static void handle_boot_mouse_hid_event(uint8_t packet_type, uint16_t channel, u
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(*client->client_handler)(HCI_EVENT_PACKET, client->cid, in_place_event, size);
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}
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static uint8_t find_report_index_for_value_handle(hids_client_t * client, uint16_t value_handle){
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uint8_t i;
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for (i = 0; i < client->num_reports; client++){
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if (client->reports[i].value_handle == value_handle){
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return i;
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}
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}
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return HIDS_CLIENT_INVALID_REPORT_INDEX;
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}
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static uint8_t find_report_index_for_report_id(hids_client_t * client, uint8_t report_id){
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uint8_t i;
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for (i = 0; i < client->num_reports; client++){
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if (client->reports[i].report_id == report_id){
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return i;
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}
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}
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return HIDS_CLIENT_INVALID_REPORT_INDEX;
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}
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static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
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UNUSED(packet_type);
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UNUSED(channel);
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@ -239,7 +278,8 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
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uint8_t att_status;
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gatt_client_service_t service;
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gatt_client_characteristic_t characteristic;
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uint8_t report_index;
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switch(hci_event_packet_get_type(packet)){
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case GATT_EVENT_SERVICE_QUERY_RESULT:
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client = hids_get_client_for_con_handle(gatt_event_service_query_result_get_handle(packet));
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@ -267,17 +307,38 @@ static void handle_gatt_client_event(uint8_t packet_type, uint16_t channel, uint
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switch (characteristic.uuid16){
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case ORG_BLUETOOTH_CHARACTERISTIC_BOOT_KEYBOARD_INPUT_REPORT:
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client->boot_keyboard_input_value_handle = characteristic.value_handle;
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client->boot_keyboard_input_end_handle = characteristic.end_handle;
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client->boot_keyboard_input_properties = characteristic.properties;
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client->boot_keyboard_input_end_handle = characteristic.end_handle;
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client->boot_keyboard_input_properties = characteristic.properties;
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break;
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case ORG_BLUETOOTH_CHARACTERISTIC_BOOT_MOUSE_INPUT_REPORT:
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client->boot_mouse_input_value_handle = characteristic.value_handle;
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client->boot_mouse_input_end_handle = characteristic.end_handle;
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client->boot_mouse_input_properties = characteristic.properties;
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client->boot_mouse_input_end_handle = characteristic.end_handle;
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client->boot_mouse_input_properties = characteristic.properties;
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break;
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case ORG_BLUETOOTH_CHARACTERISTIC_PROTOCOL_MODE:
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client->protocol_mode_value_handle = characteristic.value_handle;
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break;
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case ORG_BLUETOOTH_CHARACTERISTIC_BOOT_KEYBOARD_OUTPUT_REPORT:
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report_index = find_report_index_for_value_handle(client, characteristic.value_handle);
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if (report_index != HIDS_CLIENT_INVALID_REPORT_INDEX){
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break;
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}
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report_index = hids_get_next_report_index();
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if (report_index != HIDS_CLIENT_INVALID_REPORT_INDEX){
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client->reports[report_index].value_handle = characteristic.value_handle;
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client->reports[report_index].report_id = HID_BOOT_MODE_KEYBOARD_ID;
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client->reports[report_index].report_type = HID_REPORT_TYPE_OUTPUT;
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client->num_reports++;
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} else {
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log_info("not enough storage, increase HIDS_CLIENT_NUM_REPORTS");
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}
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break;
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default:
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break;
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}
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@ -437,6 +498,41 @@ uint8_t hids_client_disconnect(uint16_t hids_cid){
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return ERROR_CODE_SUCCESS;
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}
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uint8_t hids_client_send_report(uint16_t hids_cid, uint8_t report_id, const uint8_t * report, uint8_t report_len){
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hids_client_t * client = hids_get_client_for_cid(hids_cid);
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if (client == NULL){
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return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
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}
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if (client->state != HIDS_CLIENT_STATE_CONNECTED) {
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return ERROR_CODE_COMMAND_DISALLOWED;
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}
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uint8_t report_index = find_report_index_for_report_id(client, report_id);
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if (report_index == HIDS_CLIENT_INVALID_REPORT_INDEX){
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return ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE;
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}
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uint16_t mtu;
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uint8_t status = gatt_client_get_mtu(client->con_handle, &mtu);
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if (status != ERROR_CODE_SUCCESS){
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return status;
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}
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if (mtu - 2 < report_len){
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return ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE;
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}
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client->state = HIDS_CLIENT_W2_SEND_REPORT;
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client->active_report_index = report_index;
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client->report = report;
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client->report_len = report_len;
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hids_run_for_client(client);
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return ERROR_CODE_SUCCESS;
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}
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void hids_client_init(void){}
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void hids_client_deinit(void){}
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@ -52,6 +52,9 @@ extern "C" {
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#ifndef MAX_NUM_HID_SERVICES
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#define MAX_NUM_HID_SERVICES 3
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#endif
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#define HIDS_CLIENT_INVALID_REPORT_INDEX 0xFF
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#define HIDS_CLIENT_NUM_REPORTS 10
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typedef enum {
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HIDS_CLIENT_STATE_IDLE,
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@ -65,18 +68,22 @@ typedef enum {
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HIDS_CLIENT_STATE_W4_MOUSE_ENABLED,
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HIDS_CLIENT_STATE_W2_SET_PROTOCOL_MODE,
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HIDS_CLIENT_STATE_W4_SET_PROTOCOL_MODE,
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HIDS_CLIENT_STATE_CONNECTED
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HIDS_CLIENT_STATE_CONNECTED,
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HIDS_CLIENT_W2_SEND_REPORT
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} hid_service_client_state_t;
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typedef struct {
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// service
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uint16_t value_handle;
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uint8_t report_id;
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hid_report_type_t report_type;
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} hids_client_report_t;
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typedef struct {
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uint16_t start_handle;
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uint16_t end_handle;
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} hid_service_t;
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typedef struct {
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btstack_linked_item_t item;
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@ -105,6 +112,13 @@ typedef struct {
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uint16_t boot_mouse_input_properties;
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gatt_client_notification_t boot_mouse_notifications;
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// send report
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hids_client_report_t reports[HIDS_CLIENT_NUM_REPORTS];
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uint8_t num_reports;
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uint8_t active_report_index;
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uint16_t report_len;
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const uint8_t * report;
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} hids_client_t;
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/* API_START */
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@ -124,6 +138,16 @@ void hids_client_init(void);
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*/
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uint8_t hids_client_connect(hci_con_handle_t con_handle, btstack_packet_handler_t packet_handler, hid_protocol_mode_t protocol_mode, uint16_t * hids_cid);
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/**
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* @brief Send HID output report.
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* @param hids_cid
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* @param report_id
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* @param report
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* @param report_len
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* @result status ERROR_CODE_SUCCESS on success, otherwise ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER, ERROR_CODE_COMMAND_DISALLOWED
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*/
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uint8_t hids_client_send_report(uint16_t hids_cid, uint8_t report_id, const uint8_t * report, uint8_t report_len);
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/**
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* @brief Disconnect from Battery Service.
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* @param hids_cid
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