zz123456 发表于 2022-8-27 14:32:24

rk3588 5G

5G模块使用的是RM500U-CN,使用官方固件驱动后有两个ttyUSB0/1 口,在设置面却看不到sim卡插入;
自己编译的固件有5个ttyUSB0/1/2/3/4口,同样设置网络里面sim卡显示灰色的没有sim卡,这个要怎么处理?


console:/ $ [   55.069271][    T5] usb 4-1.4: new full-speed USB device number 3 using ehci-platform
[   55.266669][    T5] usb 4-1.4: not running at top speed; connect to a high speed hub
[   55.268155][    T5] usb 4-1.4: New USB device found, idVendor=1782, idProduct=4d00, bcdDevice=24.30
[   55.268232][    T5] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   55.268267][    T5] usb 4-1.4: Product: Gadget Serial
[   55.268300][    T5] usb 4-1.4: Manufacturer: spreadtrum with dwc3-gadget
[   58.922588][    T5] usb 4-1.4: USB disconnect, device number 3
[   69.049270][    T5] usb 4-1.4: new high-speed USB device number 4 using ehci-platform
[   69.248786][    T5] usb 4-1.4: New USB device found, idVendor=2c7c, idProduct=0900, bcdDevice= 4.04
[   69.249087][    T5] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   69.249125][    T5] usb 4-1.4: Product: RM500U-CN
[   69.249153][    T5] usb 4-1.4: Manufacturer: Quectel
[   69.249349][    T5] usb 4-1.4: SerialNumber: 0123456789ABCDEF
[   69.263843][    T5] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wdev null. Do nothing
[   69.269389][    T5] CFG80211-ERROR) wl_cfg80211_netdev_notifier_call : wdev null. Do nothing
[   69.269605][    T5] cdc_ether 4-1.4:1.0 usb0: register 'cdc_ether' at usb-fc880000.usb-1.4, CDC Ethernet Device, 8e:54:cb:3d:94:e4
[   72.474899] type=1400 audit(1661581522.353:123): avc: denied { write } for comm="rild" name="new_id" dev="sysfs" ino=35719 scontext=u:r:rild:s0 tcontext=u:obje1
[   72.497838][ T2342] option 4-1.4:1.2: GSM modem (1-port) converter detected
[   72.504086][ T2342] usb 4-1.4: GSM modem (1-port) converter now attached to ttyUSB0
[   72.505516][ T2342] option 4-1.4:1.3: GSM modem (1-port) converter detected
[   72.505977][ T2342] usb 4-1.4: GSM modem (1-port) converter now attached to ttyUSB1


zz123456 发表于 2022-8-27 17:37:16

本帖最后由 zz123456 于 2022-8-27 17:40 编辑

5G已经可以上网了,就是信号显示是个空的三角形,并不是条形状信号.

dkaugust 发表于 2022-10-8 12:28:39

在调 EC20， 也遇到同样的不识别 sim 卡的问题， 请问是怎么解决的，谢谢！

zz123456 发表于 2022-10-10 08:43:22

dkaugust 发表于 2022-10-8 12:28
在调 EC20， 也遇到同样的不识别 sim 卡的问题， 请问是怎么解决的，谢谢！

我的5G模块是支持双卡的,之前在其他设备上测试用的是卡2,而rk3588上实际连接的是卡1,用指令将模块卡槽设置到卡1上我的问题就解决了
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