ags.h File Reference

Alexa Gadgets Service API. More...

#include "gr_includes.h"
#include "custom_config.h"
#include <stdint.h>
#include <stdbool.h>

Go to the source code of this file.

Classes

struct  ags_header_base_t
 Alexa Gadget Service base part of data packet header. More...
 
struct  ags_header_first_t
 Alexa Gadget Service header in first packet. More...
 
struct  ags_header_first_ext_t
 Alexa Gadget Service extended version of header in first packet. More...
 
struct  ags_header_subs_t
 Alexa Gadget Service header in subsequent packets. More...
 
struct  ags_header_subs_ext_t
 Alexa Gadget Service extended version of header in subsequent packets. More...
 
struct  ags_ack_packet_t
 Alexa Gadget Service ACK packet. More...
 
struct  ags_stream_env_t
 Alexa Gadget Service gadget stream enviorenment variable. More...
 
struct  ags_evt_t
 Alexa Gadget Service event. More...
 
struct  ags_init_t
 Alexa Gadget Service init stucture. This contains all option and data needed for initialization of the service. More...
 

Macros

#define AGS_SERVICE_UUID
 
#define AGS_HEADER_FIRST_RES   0x00
 
#define AGS_HEADER_ACK_RES_1   0x00
 
#define AGS_HEADER_ACK_PAYLOAD_LEN   0x02
 
#define AGS_HEADER_ACK_RES_2   0x01
 
#define AGS_TX_VAL_LEN_MAX   244
 
#define AGS_RX_VAL_LEN_MAX   244
 
#define AGS_PAIR_ADV_FLAG   0x01
 
#define AGS_RECONNECT_ADV_FLAG   0x00
 
#define AGS_CONNECTION_MAX   10
 
#define AGS_CHAR_MANDATORY   0x003f
 
#define AGS_CHAR_FULL   0x003f
 

Typedefs

typedef void(* ags_evt_handler_t) (ags_evt_t *p_evt)
 Alexa Gadget Service event handler type. More...
 
typedef bool(* ags_stream_cb_t) (uint8_t conn_idx, const uint8_t *const p_data, uint16_t length, uint8_t still_receiving)
 Alexa Gadget Service stream callback. More...
 

Enumerations

enum  ags_header_stream_id_t {
  AGS_CONTROL_STREAM_ID,
  AGS_ALEXA_STREAM_ID = 0x06,
  AGS_OTA_STREAM_ID = 0x02
}
 Alexa Gadget Service Stream ID. At any time, there is only one control stream, one Alexa stream, and one OTA stream. Each packet belongs to one of these streams, which is specified in the stream ID field of the packet's header. See Gadgets documentation for details: https://developer.amazon.com/en-US/docs/alexa/alexa-gadgets-toolkit/packet-ble.html#streams. More...
 
enum  ags_header_trxn_type_t {
  AGS_TRANSACTION_TYPE_FIRST,
  AGS_TRANSACTION_TYPE_CONT,
  AGS_TRANSACTION_TYPE_LAST,
  AGS_TRANSACTION_TYPE_CTRL
}
 Alexa Gadget Service transaction type. It indicate where the packet is within the transaction. The transaction type and protocol of a single transaction are defined by the first packet of the transaction. More...
 
enum  ags_header_ack_flag_t {
  AGS_ACK_NACK,
  AGS_ACK_ACK
}
 Alexa Gadget Service ACK Flag. More...
 
enum  ags_header_length_ext_t {
  AGS_LEN_EXT_NO_EXT,
  AGS_LEN_EXT_EXT
}
 Alexa Gadget Service Length extender. More...
 
enum  ags_header_result_code_t {
  AGS_RES_CODE_SUCCESS,
  AGS_RES_CODE_UNKNOWN,
  AGS_RES_CODE_UNSUPPORTED = 0x03
}
 Alexa Gadget Service result code. More...
 
enum  ags_evt_type_t {
  AGS_EVT_INVALID,
  AGS_EVT_ECHO_RX_DATA_SENT,
  AGS_EVT_ECHO_TX_DATA_RECEIVED,
  AGS_EVT_ECHO_RX_NOTI_ENABLE,
  AGS_EVT_ECHO_RX_NOTI_DISABLE
}
 Alexa Gadget Service event type. More...
 

Functions

sdk_err_t ags_service_init (ags_init_t *p_ags_init)
 Initialize a Alexa Gadget Service instance and add in the DB. More...
 
sdk_err_t ags_stream_send (uint8_t conn_idx, uint8_t stream_id, void *p_data, uint16_t length)
 Send data to the Echo device in stream format. More...
 
sdk_err_t ags_non_stream_send (uint8_t conn_idx, void *p_data, uint16_t length)
 Send data to the Echo device in non-stream format. More...
 

Detailed Description

Alexa Gadgets Service API.

Attention
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Definition in file ags.h.