b&t RTL8720D - 1 Basic Information; Modify Records

中山市博安通通信技术有限公司
ZHONGSHAN B&T TECHNOLOGYCo., Ltd
Page 2 of 34
Modify records
Type
Modify content
Modifie
d
Date
Software
release
A
First draft version
Yang
Bin
2019/06/05
V2.2.1
M
Upgrade to V2.3.0 and modify the ATSP sleep
wake-up mode
Change the position AT the serial port
Yang
Bin
2019/07/05
V2.3.0
M
Upgrade to V2.4.0
1. Added the original factory supplement,
00014753-6.0a_critical_patch_r36319_wifi_bt_is
sue
00014849-6.0a_critical_patch_r36319_fix_ble_
mac_address_flip_issue_gcc
00014853-BLE-link-mode-test_patch-image_v01
2. Specify AT serial port to TX:PB_1 RX:PB_2
3. Add Bluetooth network configuration
Yang
Bin
2019/07/30
V2.4.0
M
Upgrade to V2.4.1
Fixed the problem of printing redundant messages
AT the port during socket communication.
Yang
Bin
2019/08/14
V2.4.1
Type: A- add M-modify D-delete
1. Basic information
Log serial port
Log serial port is mainly
used to output log TX:PA_7
RX:PA_8
Baud rate: 115200
AT instruction serial
port uart0
The AT command serial port is used to input the AT command and view the returned results.
TX:PB_1 RX:PB_2
Baud rate 38400
Note that the AT command ends with a line break (\r\n)
The minimum system needs to connect VCC,GND and AT serial ports to operate.