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BLE APP UART

1 功能概述

此项目演示蓝牙从机串口透传功能，从机设备和手机或主机设备连接后可以和串口模块进行数据透传。

2 环境要求

• board: pan107x evb 或 pan101x evb

• uart log: 打印工程的log

• uart ble: 和蓝牙透传数据

• 手机app nrf connect

3 编译和烧录

例程位置：

• pan107x：<home>\nimble\samples\solutions\ble_app_uart\keil_107x

• pan101x：<home>\nimble\samples\solutions\ble_app_uart\keil_101x

使用keil进行打开项目进行编译烧录。

4 环境准备

uart 接线说明

• pan107x：

UART LOG（波特率921600）	PIN
TX	P16
RX	P17

UART BLE（波特率115200）	PIN
TX	P10
RX	P24

• pan101x：

UART LOG（波特率921600）	PIN
TX	P11
RX	P12

UART BLE（波特率115200）	PIN
TX	P00
RX	P01

5 演示说明

1. 打开nrf connect App，扫描广播名称为“panchip_uart”设备，然后连接。

2. 连上后的log及app界面如下：

    Try to load HW calibration data.. DONE.
    - Chip Info         : 0x61
    - Chip CP Version   : 255
    - Chip FT Version   : 7
    - Chip MAC Address  : E11000014DE5
    - Chip UID          : B90801465454455354
    - Chip Flash UID    : 4250315A3538380B01FD8B435603EF78
    - Chip Flash Size   : 512 KB
    [I] app started
    [I] ble stack init start...
    [I] Spark Controller Init Start.
    [I] BLE Heap size:5636 B, remain:64 B
    [I] Spark Controller Init OK.
    [I] ble host init ok -> ble thread start...
    [I] registered service 0x1800 with handle=1
    [I]   registering characteristic 0x2a00 with def_handle=2 val_handle=3
    [I]   registering characteristic 0x2a01 with def_handle=4 val_handle=5
    [I] registered service 6e400000-b5a3-f393-e0a9-e50e24dcca9e with handle=6
    [I]   registering characteristic 6e400002-b5a3-f393-e0a9-e50e24dcca9e with def_handle=7 val_handle=8
    [I]   registering characteristic 6e400003-b5a3-f393-e0a9-e50e24dcca9e with def_handle=9 val_handle=10
    [W] Device Id Address: E1 10 00 01 4D E5 
    [I] BLE adv start...
    [W] Error: UART Rx Frame Error!
    [E] Actual received data size: 0
    [I] connection established; status=0
    [I] 	-conn_intvl:45000 us
    	-latency:0
    	-to:5000 ms
    [I] conn upd cmpl: conn_handle:0, itvl:7500 us, latency:0, to:5000 ms
    [I] conn upd cmpl: conn_handle:0, itvl:45000 us, latency:0, to:5000 ms
   

   

RX服务用于向串口发送数据，TX服务用于接收串口的数据，需要使能notify。

1. 用串口工具发数据，app收数据的情况如下：

   串口工具：

   

   app：

   

2. 用app发数据，串口工具收数据的情况如下：

   app:

   

   串口工具：

   

5 RAM/Flash资源使用情况

PAN107x:

Flash Size: 142.92k
RAM Size:  39.71 k

PAN101x:

Flash Size: 105.13k
RAM Size:  15.16 k