RK3399 Ubuntu EC20 调试流程
本帖最后由 luvings 于 2018-9-7 10:35 编辑调试准备工作:
1. Firefly-RK3399 Ubuntu 16.04
2. EC20 4g组件 --->https://store.t-firefly.com/goods.php?id=49
3. 移动卡/联通卡，不知道 物联网卡
官方 Ubuntu ec20 固件，已做处理，如果检测到 ec20 模组，并 sim卡 正常识别，则自动启动quectel-CM 获取 IP，不必做其他处理RK3288 调试流程同样试用
流程：
1. 确定打上附件驱动补丁 ----> ec20-support.tar.gz
代码仓库：https://github.com/FireflyTeam/kerne
对应log 提示
[ 1110.823457] usb 1-1.4: New USB device found, idVendor=2c7c, idProduct=0125
[ 1110.824191] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1110.824987] usb 1-1.4: Product: Android
[ 1110.825345] usb 1-1.4: Manufacturer: Android
[ 1110.827980] option 1-1.4:1.0: GSM modem (1-port) converter detected
[ 1110.829302] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB0
[ 1110.831007] option 1-1.4:1.1: GSM modem (1-port) converter detected
[ 1110.832390] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB1
[ 1110.834983] option 1-1.4:1.2: GSM modem (1-port) converter detected
[ 1110.836853] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB2
[ 1110.839196] option 1-1.4:1.3: GSM modem (1-port) converter detected
[ 1110.841708] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB3
[ 1110.844161] idVendor 11388 idP 293 bnum 5 ec20 det false
[ 1110.845863] qmi_wwan 1-1.4:1.4: cdc-wdm0: USB WDM device
[ 1110.846381] qmi_wwan 1-1.4:1.4: Quectel EC25&EC21&EC20R2.0&EG91&EG95&EG06&EP06&EM06&BG96 work on RawIP mode
[ 1110.853010] qmi_wwan 1-1.4:1.4 wwan0: register 'qmi_wwan' at usb-fe3c0000.usb-1.4, WWAN/QMI device, f6:29:fe:a2:e1:32</font>
2. 内核 qmi 驱动配置打开
CONFIG_USB_NET_QMI_WWAN=y 重新编译，更新板子内核
3. 板子安装 deb包，拨号程序获取 IP 所需要的依赖包
$ sudo apt-get install busybox udhcpc
4.附件--->default.script.tar.gz,Quectel_Linux_ConnectManager_SR01A01V21.zip 拷贝到 Firefly-RK3399 上
---default.script 拷贝到 开发板 /usr/share/udhcpc/default.script, 缺少文件夹，自行创建
--- Quectel_Linux_ConnectManager_SR01A01V21.zip
|----- EC20 获取上网 IP 所需要的拨号程
|------ 开发板上解包后，执行make 得到 quectel-CM二进制程
FAQs
1.
$ mmcli -m 0
查看模组状态，如 sim卡是否正常识别等...2. $ systemctl status ec20.service
查看 quectel-CM 拨号程序 服务是否正常运行
刚好有需要，非常感谢 没有权限下载附件 怎么办
现在可以生成wwan0。键入systemctl status ec20.service查看状态，发现反复重连，报错如下：
ec20.service - Quectel networking service
Loaded: loaded (/lib/systemd/system/ec20.service; disabled; vendor preset: en
abled)
Active: active (running) since Tue 2019-01-15 05:44:52 UTC; 4min 1
s ago
Main PID: 1512 (quectel-CM)
CGroup: /system.slice/ec20.service
鈹斺攢1512 /usr/local/bin/quectel-CM
Jan 15 05:47:24 firefly quectel-CM: requestQueryDataC
all ConnectionStatus: DISCONNECTED
Jan 15 05:47:24 firefly quectel-CM: requestRegistrati
onState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE
Jan 15 05:47:24 firefly quectel-CM: requestSetupDataC
all WdsConnectionIPv4Handle: 0x86ad7c40
Jan 15 05:47:24 firefly quectel-CM: requestQueryDataC
all ConnectionStatus: CONNECTED
Jan 15 05:47:24 firefly quectel-CM: requestQueryDataC
all ConnectionStatus: DISCONNECTED
Jan 15 05:47:24 firefly quectel-CM: requestRegistrati
onState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE
Jan 15 05:47:24 firefly quectel-CM: requestSetupDataC
all WdsConnectionIPv4Handle: 0x86ad7c40
Jan 15 05:47:24 firefly quectel-CM: requestQueryDataC
all ConnectionStatus: CONNECTED
Jan 15 05:47:24 firefly quectel-CM: requestQueryDataC
all ConnectionStatus: DISCONNECTED
Jan 15 05:47:24 firefly quectel-CM: requestRegistrati
onState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE
有调通的同学可以指导一下吗？ 请问，这个用ipv6 能上网吗？ 我想下载一个 好想下啊,但是下不了 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 非常感谢，正好需要试试4G模块 没有权限下载附件 怎么办