我已经调试了大约2周-3周时间了,我想确认一下是不是rm500u,在单片机情况下进行PPP通信是有问题的,我的模组固件是RM500UCNAAR02A04M2G_01.001.01.001
现在情况是我通过取消掉PPP LCD Magicnumber建立LCD连接,没有使用pap用户认证,直接在IPCP的阶段获取IP地址情况下返回+CME ERROR: 4,所以我想确认RM500U是否可以建立PPPos通信,我在材料上看是支持PPP通信,以下是我的AT指令以及PPP记录
RDY
AT
OK
AT+CMEE=2
OK
AT+QCFG=“usbnet”,5
OK
AT+QCFG=“nat”,0
OK
A
T+CFUN=1
OK
AT+CIMI
460099035700874
OK
AT+CGDCONT?
+CGDCONT: 1,"IPV4V
6",“3gnet”,“0.0.0.0”,0,0,0,0,0,0,0,0,0,0
+CGDCONT: 2,“IP”,“zjbg”,“0.0.0.0”,0,0,0,0,0,0,0,0,0,0
+CGDCONT: 11,"I
PV4V6",“ims”,“0.0.0.0”,0,0,0,2,0,0,0,0,0,0
OK
AT+QNETDEVCTL=1,3,1
OK
AT+QNETDEVSTATUS=1
+CME ERROR:
3
AT+QNETDEVSTATUS=1
+QNETDEVSTATUS: 172.31.4.232,255.255.255.0,
172.31.4.1,10.99.200.121,210.21.4.130,
OK
AT+CGDATA=“PPP”,1
OK
ppp phase changed[0]: phase=0
ppp_connect[0]: holdof
f=0
ppp phase changed[0]: phase=3
pppos_connect: unit 0: connecting
ppp_start[0]
ppp phase changed[0]: phase=6
pppos_send_config
[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=FF FF FF FF
ppp_recv_
config[0]
ppp: auth protocols: PAP=1 CHAP=0 CHAP_MD5=0
sent [LCP ConfReq id=0x1 <asyncmap 0x0> ]
pppos_write[0]: len=18
ppp_start[0]: finished
~}#}!}!} }.}"}&}pppos_input[0]: got 37 bytes
rc
vd [LCP ConfReq id=0x1 <asyncmap 0x0> ]
sent [LCP ConfAck id=0x1 <asyncmap 0x0>
]
pppos_write[0]: len=18
}#}"}!} }.}"}&} } } } }’}"}(}
"N穨pppos_input[0]: got 36 bytes
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> ]
netif
_set_mtu[0]: mtu=1500
pppos_send_config[0]: out_accm=0 0 0 0
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_c
onfig[0]
ppp phase changed[0]: phase=7
ppp phase changed[0]: phase=9
sent [IPCP ConfReq id=0x1 <
addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 pr
oto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_inpu
t[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbu
f len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbu
f len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_i
nput[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 pr
oto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_inpu
t[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbuf len=22, addr 2404e170
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
~€!
+CME ERROR: 4
pppos_input[0]: got 25 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbu
f len=22, addr 2404e170
IPCP: timeout sending Config-Req
uests
ppp phase changed[0]: phase=11
ppp phase changed[0]: phase=6
pppos_send_config[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0
0 0 0
ppp_recv_config[0]
sent [LCP TermReq id=0x2 “No network protocols running”]
pppos_write[0]: len=36
~}#}%}"} No network protocols running}7}8~pppos_input[0]: got 46 bytes
pppos_input[0]: Dropping bad fcs 0x3518 proto=0x8021
pppos_input_drop: pbuf len=22, a
ddr 2404e170
rcvd [LCP TermReq id=0x2 “No network protocols running”]
sent [LCP TermAck id=0x2]
pppos_write[0]: len=8
~}#}&}"} }$攠-~pppos_input[0]: got 18 bytes
rcvd [LCP TermAck id=0x2]
ppp phase changed[0]: phase=12
Connection terminated.
ppp_link_terminated[0]
ppp_link_e
nd[0]
ppp phase changed[0]: phase=0
status_cb: Connection lost
ppp_connect[0]: holdoff=30
ppp phase changed[0]: phase=2
ppp_link_terminated[0]: finished.
麻烦了