【瑞萨BLE/WIFI模块测评】+ 蓝牙串口模块测试发送接收
本次试一试蓝牙模块如何使用。此模块为蓝牙串口透传模块,主要功能是与BLE主机连接上之后进行数据的传输,即BLE 数据与UART的双向传输。此外,还支持主控用AT格式的命令进行相关的设置。!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/160026t7wunnn6fwdn7fpd.png)
模块电路图:
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/160055y2ijipq2ssb2tibb.png)
模块接口信号说明:
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/160129k9ddf4s3lwqrq1fe.png)
主要注意LPR接口,要接高电平串口才可以通信。
下面将蓝牙模块接PMOD2接口。
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/160858o3g0l0sg0aa0c35e.png)
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/160920dj533ivfmphg9b93.png)
接着在RASmartConfig配置接口功能。
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/161013zhha9af9qfju3i79.png)
P410和P411为串口,P609连接LPR需要配置IO高电平,P608配置高电平。P414连接蓝牙连接状态脚配置输入IO。
继续软件编写,使用串口转发到蓝牙模块接口。
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/162428na0w9z1w6481n481.png)
通过串口测试模块AT命令配置。
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/163220zuqnw2ro2nwqq3qw.png)
通过手机连接蓝牙模块通信:
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/163505k79b1w1h7157p8mq.png)
测试发送接收数据:
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/163739hymrs0sckr5km2tm.png)
!(//m.qjumbo.com/forum/data/attachment/forum/202610/05/163804a5z4p0fxx7omw4iz.png)
页:
[1]