在使用P900数传模块遇到一个问题
我需要使用STM32读取P900模块里面的S124寄存器的值,这个值的作用是反应RSSI的信号强度,我需要把他读出来
但是使用串口助手对他进行读取会发现是他会发送一大串东西出来,里面包含了S124的信息,下面是使用串口助手接收的值
```
E1 Q0 DCD &C1 DTR &D0 Handshaking &K0 DSR &S1
Unit Address S105=1
Destination Address S140=2
Reverse RSSI leds S88=0 Operating Mode S101=0
Serial Baud Rate S102=0 Wireless Link Rate S103=2
Network Address S104=8 Hop Pattern S106=0
Hop Zone S180=0 Output Power(dBm) S108=30
Hop Interval S109=9 Data Format S110=1
Packet Min Size S111=1 Packet Max Size S112=256
Packet Retransmissions S113=3 Repeat Interval S115=3
Character Timeout S116=10 RSSI from Downlink(dBm)S124=-87
Network Type S133=1 Repeaters Y/N S141=0
Serial Channel Mode S142=0 Address Tag S153=0
FEC Mode S158=7 Protocol Type S217=0
Input Framing S218=0
```c