Release V5.3.0.0_Patch_0002 · Telink Semiconductor/telink_b91m_btble_dual_mode_general_sdk

## V5.3.0.0_Patch_0002(PR)

### Dependency Updates

* N/A

### Features

* BT
  * Added the function of UART to transmit PCM data.
    * Added macro "TLKMDI_SCO_PCM_FROM_UART" which is disabled by default in tlkmdi/aud/tlkmdi_audsco.c. User can enable this macro when they need this function.
* BLE
  * Added one BLE ACL Master connection function.
    * "MAX_BLE_LINK" changed from 3 to 4 in tlkstk/tlkstk_config.h.
  * Added new feature: Host support connection-oriented channels(COC).
    * Added COC related data structure and APIs in tlkstk/ble/host/l2cap/l2cap_signal.h.
    * Added COC related callback events in tlkstk/ble/host/gap/gap_event.h.
    * Added COC related function return value in tlkstk/ble/ble_common.h.
  * Added customized timing alignment function between sending Advertising packets and reporting scanned Advertising packets.
    * Added telink controller event "CONTR_EVT_LE_LEGACY_ADV_TX_EACH_CHANNEL" in btble.h to set timestamp in BLE Advertising packet.
    * Added API "blc_ll_advReport_setRxPacketTickEnable" in tlkstk/ble/controller/ll.h to enable adding timestamp in scanned Advertising packets report.

### Bug Fixes

* BT
  * Fixed BT pincode function error which could lead to pairing failure when using pincode pairing mode.
* BLE
  * Fixed BLE create connection device address transmitted from PC tool.

### KNOWN ISSUES

* N/A

### BREAKING CHANGES

* N/A

### Dependency Updates

* N/A

### Features

* BT
  * 新增UART传输PCM数据的功能。
    * 新增宏“TLKMDI_SCO_PCM_FROM_UART”，默认在tlkmdi/aud/tlkmdi_audscoc中关闭。用户需要这个功能时启用该宏。
* BLE
  * 新增1路BLE ACL Master connection功能。
    * 在tlkstk/tlkstk_config.h中“MAX_BLE_LINK”从3修改为4。
  * 新增connection-oriented channels(COC)功能。
    * 在tlkstk/ble/host/l2cap/l2cap_signal.h中增加COC相关的数据结构和接口。
    * 在tlkstk/ble/host/gap/gap_event.h中增加COC相关的回调事件。
    * 在tlkstk/ble/ble_common.h中增加COC相关的函数返回值。
  * 新增自定义发送广播报文和上报扫描广播报文的时间对齐功能。
    * 在btble.h中增加telink控制器事件“CONTR_EVT_LE_LEGACY_ADV_TX_EACH_CHANNEL”，用于设置BLE广播报文的时间戳。
    * 在tlkstk/ble/controller/ll.h中增加API "blc_ll_advReport_setRxPacketTickEnable"，用于在扫描广播报文上报中添加时间戳。

### Bug Fixes

* BT
  * 修复pincode功能异常，使用该配对模式配对时导致配对失败的问题。
* BLE
  * 修复通过上位机创建连接时设备地址传输异常的问题。

### KNOWN ISSUES

* N/A

### BREAKING CHANGES

* N/A

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