component/bt: format the API headers

This commit is contained in:
wangmengyang
2017-03-09 19:03:34 +08:00
parent 18814c03d4
commit 5b7b704365
6 changed files with 129 additions and 2069 deletions
@@ -18,6 +18,10 @@
#include "esp_err.h"
#include "esp_bt_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Media codec types supported by A2DP
#define ESP_A2D_MCT_SBC (0) /*!< SBC */
#define ESP_A2D_MCT_M12 (0x01) /*!< MPEG-1, 2 Audio */
@@ -27,11 +31,7 @@
typedef uint8_t esp_a2d_mct_t;
/**
* @brief Codec specific information elements as defined in A2DP spec.
*/
/**
* @brief SBC codec specific information
* @brief SBC codec specific information as defined in A2DP spec
*/
typedef struct {
#define ESP_A2D_CIE_LEN_SBC (4)
@@ -39,7 +39,7 @@ typedef struct {
} esp_a2d_cie_sbc_t;
/**
* @brief MPEG-1,2 Audio codec specific information
* @brief MPEG-1,2 Audio codec specific information as defined in A2DP spec
*/
typedef struct {
#define ESP_A2D_CIE_LEN_M12 (4)
@@ -47,7 +47,7 @@ typedef struct {
} esp_a2d_cie_m12_t;
/**
* @brief MPEG-2,4 AAC codec specific information
* @brief MPEG-2,4 AAC codec specific information as defined in A2DP spec
*/
typedef struct {
#define ESP_A2D_CIE_LEN_M24 (6)
@@ -55,7 +55,7 @@ typedef struct {
} esp_a2d_cie_m24_t;
/**
* @brief ATRAC family codec specific information
* @brief ATRAC family codec specific information as defined in A2DP spec
*/
typedef struct {
#define ESP_A2D_CIE_LEN_ATRAC (7)
@@ -77,94 +77,99 @@ typedef struct {
/// Bluetooth A2DP connection states
typedef enum {
ESP_A2D_CONNECTION_STATE_DISCONNECTED = 0,
ESP_A2D_CONNECTION_STATE_CONNECTING,
ESP_A2D_CONNECTION_STATE_CONNECTED,
ESP_A2D_CONNECTION_STATE_DISCONNECTING
ESP_A2D_CONNECTION_STATE_DISCONNECTED = 0, /*!< connection released */
ESP_A2D_CONNECTION_STATE_CONNECTING, /*!< connecting remote device */
ESP_A2D_CONNECTION_STATE_CONNECTED, /*!< connection established */
ESP_A2D_CONNECTION_STATE_DISCONNECTING /*!< disconnecting remote device */
} esp_a2d_connection_state_t;
/// Bluetooth A2DP disconnection reason
typedef enum {
ESP_A2D_DISC_RSN_NORMAL = 0,
ESP_A2D_DISC_RSN_ABNORMAL
ESP_A2D_DISC_RSN_NORMAL = 0, /*!< Finished disconnection that is initiated by local or remote device */
ESP_A2D_DISC_RSN_ABNORMAL /*!< Abnormal disconnection caused by signal loss */
} esp_a2d_disc_rsn_t;
/// Bluetooth A2DP datapath states
typedef enum {
ESP_A2D_AUDIO_STATE_REMOTE_SUSPEND = 0,
ESP_A2D_AUDIO_STATE_STOPPED,
ESP_A2D_AUDIO_STATE_STARTED,
ESP_A2D_AUDIO_STATE_REMOTE_SUSPEND = 0, /*!< audio stream datapath suspended by remote device */
ESP_A2D_AUDIO_STATE_STOPPED, /*!< audio stream datapath stopped */
ESP_A2D_AUDIO_STATE_STARTED, /*!< audio stream datapath started */
} esp_a2d_audio_state_t;
/// A2DP callback events
typedef enum {
ESP_A2D_CONNECTION_STATE_EVT = 0, /*!< connection state changed event */
ESP_A2D_AUDIO_STATE_EVT = 1, /*!< audio stream transmission state changed event */
ESP_A2D_AUDIO_CFG_EVT = 2 /*!< audio codec configuration received */
ESP_A2D_CONNECTION_STATE_EVT = 0, /*!< connection state changed event */
ESP_A2D_AUDIO_STATE_EVT = 1, /*!< audio stream transmission state changed event */
ESP_A2D_AUDIO_CFG_EVT = 2 /*!< audio codec is configured */
} esp_a2d_cb_event_t;
/// A2DP state callback parameters
typedef union {
/*< ESP_A2D_CONNECTION_STATE_EVT */
struct a2d_conn_stat_param {
esp_a2d_connection_state_t state; /*!< one of values from esp_a2d_connection_state_t */
esp_bd_addr_t remote_bda;
esp_a2d_disc_rsn_t disc_rsn; /* disconnection reason */
esp_a2d_connection_state_t state; /*!< one of values from esp_a2d_connection_state_t */
esp_bd_addr_t remote_bda; /*!< remote bluetooth device address */
esp_a2d_disc_rsn_t disc_rsn; /*!< reason of disconnection for "DISCONNECTED" */
} conn_stat;
/*< ESP_A2D_AUDIO_STATE_EVT */
struct a2d_audio_stat_param {
esp_a2d_audio_state_t state; /*!< one of the values from esp_a2d_audio_state_t */
esp_bd_addr_t remote_bda;
esp_a2d_audio_state_t state; /*!< one of the values from esp_a2d_audio_state_t */
esp_bd_addr_t remote_bda; /*!< remote bluetooth device address */
} audio_stat;
/*< ESP_A2D_AUDIO_CFG_EVT */
struct a2d_audio_cfg_param {
esp_bd_addr_t remote_bda;
esp_a2d_mcc_t mcc; /*!< A2DP media codec capability information */
esp_bd_addr_t remote_bda; /*!< remote bluetooth device address */
esp_a2d_mcc_t mcc; /*!< A2DP media codec capability information */
} audio_cfg;
} esp_a2d_cb_param_t;
/**
* @brief A2DP profile callback function, data is ou
* @brief A2DP profile callback function type
* @param event : Event type
* @param param : Point to callback parameter
* @param param : Pointer to callback parameter
*/
typedef void (* esp_a2d_cb_t)(esp_a2d_cb_event_t event, esp_a2d_cb_param_t *param);
/**
* @brief A2DP profile data callback function, data is ou
*
* @param[in] buf: data received and decoded to PCM format, buf points to a static memory
* and can be overwritten in later times
* @param[in] len: size(in bytes) in buf
* @brief A2DP profile data callback function
*
* @param[in] buf : data received from A2DP source device and is PCM format decoder from SBC decoder;
* buf references to a static memory block and can be overwritten by upcoming data
*
* @param[in] len : size(in bytes) in buf
*
*/
typedef void (* esp_a2d_data_cb_t)(const uint8_t *buf, uint32_t len);
/**
* @brief This function is called to register application callbacks
* with A2DP module; callbacks will provide the upstream events
* (type esp_a2d_cb_event_t) and paramters(type esp_a2d_cb_param_t)
* @brief Register application callback function to A2DP module. This function should be called
* only after esp_bluedroid_enable() completes successfully
*
* @param[in] callback: A2DP sink event callback function
*
* @return
* - ESP_OK: success
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: if callback is a NULL function pointer
*
*/
esp_err_t esp_a2d_register_callback(esp_a2d_cb_t callback);
/**
* @brief This function is called to register A2DP sink data output function
* for now only supports SBC codec, and the output is PCM data stream
* @brief Register A2DP sink data output function; For now the output is PCM data stream decoded
* from SBC format. This function should be called only after esp_bluedroid_enable()
* completes successfully
*
* @param[in] callback: A2DP data callback function
*
* @return
* - ESP_OK: success
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: if callback is a NULL function pointer
*
*/
esp_err_t esp_a2d_register_data_callback(esp_a2d_data_cb_t cb);
@@ -172,10 +177,12 @@ esp_err_t esp_a2d_register_data_callback(esp_a2d_data_cb_t cb);
/**
*
* @brief This function is called to initialize the bluetooth A2DP sink module
* @brief Initialize the bluetooth A2DP sink module. This function should be called
* after esp_bluedroid_enable() completes successfully
*
* @return
* - ESP_OK: success
* - ESP_OK: if the initialization request is sent successfully
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: others
*
*/
@@ -184,10 +191,12 @@ esp_err_t esp_a2d_sink_init(void);
/**
*
* @brief This function is called to deinit and free the resources for A2DP sink module
* @brief De-initialize for A2DP sink module. This function
* should be called only after esp_bluedroid_enable() completes successfully
*
* @return
* - ESP_OK: success
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: others
*
*/
@@ -196,10 +205,13 @@ esp_err_t esp_a2d_sink_deinit(void);
/**
*
* @brief This function is called to connect with the remote bluetooth device
* @brief Connect the remote bluetooth device bluetooth, must after esp_a2d_sink_init()
*
* @param[in] remote_bda: remote bluetooth device address
*
* @return
* - ESP_OK: connect request is sent to lower layer
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: others
*
*/
@@ -208,13 +220,20 @@ esp_err_t esp_a2d_sink_connect(esp_bd_addr_t remote_bda);
/**
*
* @brief This function is called to disconnect with the remote bluetooth device
* @brief Disconnect the remote bluetooth device
*
* @param[in] remote_bda: remote bluetooth device address
* @return
* - ESP_OK: disconnect request is sent to lower layer
* - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
* - ESP_FAIL: others
*
*/
esp_err_t esp_a2d_sink_disconnect(esp_bd_addr_t remote_bda);
#ifdef __cplusplus
}
#endif
#endif /* __ESP_A2DP_API_H__ */