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RK3288 Android11 mini-pcie接口 4G模组EC200A适配（含自适应功能）
这里写目录标题
- 1、修改驱动内核配置
- 2、使用lsusb命令查看是否识别到usb接口的“EC200A”4G模组
- 3、在drivers/usb/serial/option.c添加VID和PID信息
- 4、在drivers/usb/serial/usb_wwan.c 文件中的usb_wwan_setup_urb函数中添加零包处理代码
- 5、插入EC200A模块，查看日志是否虚拟出USB接口，现象如下
- 6、关闭SELINUX，路径：a\device\rockchip\common\BoardConfig.mk
- 7、开启BOARD_HAVE_DONGLE和BOARD_HAS_RK_4G_MODEM，路径与第6点一样
- 8、无自适应功能的适配方法，也就是不会动态加载RIL库，而是写死的方法，如下
- 9、自适应功能的适配方法，也就是会动态加载RIL库，如下
- 10、添加权限，在a\device\rockchip\common\ueventd.rockchip.rc文件下添加如下
- 11、查看库是否有和加载库是否正确及日志
- 12、ping百度是否能上网
- 13、PATCH补丁文件和需要添加的文件
1、修改驱动内核配置
①使能USBNET功能
-> Device Drivers -> -*- Network device support -> USB Network Adapters -> -*- Multi-purpose USB Networking Framework- 1
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②使能 USB 串口 GSM、CDMA 驱动
Device Drivers ---> [*] USB support ---> <*> USB Serial Converter support [*] USB Generic Serail Driver [*] USB Driver for GSM and CMDA modems- 1
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③使能 USB 的 CDC ACM模式
-> Device Drivers -> [*] USB support -> <*> Support for Host-side USB -> <*> USB Modem (CDC ACM) support- 1
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④使能PPP功能
Device Drivers ---> [*] Network device support ---> <*> PPP (point-to-point protocol) support <*> PPP support for async serial ports <*> PPP support for sync tty ports <*> PPP Deflate compression- 1
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2、使用lsusb命令查看是否识别到usb接口的“EC200A”4G模组
rk3288_Android10:/ $ lsusb Bus 001 Device 005: ID 2c7c:6005- 1
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这里解释一下信息，“2c7c”指的是VID，“6005”指的是PID。
3、在drivers/usb/serial/option.c添加VID和PID信息
①添加VID和PID定义
#define QUECTEL_VENDOR_ID 0x2c7c /* VID */ #define QUECTEL_PRODUCT_EC200A_CN 0x6005 /* PID */- 1
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②在option_ids 数组中添加
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200A_CN) }, /* Quectel EC200A */- 1
③支持 ECM 接口，可以通过 ECM 接口轻松联网，在option_probe 函数添加如下
#if 1 //Added by Quectel //Quectel UC20's interface 4 can be used as USB Network device if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003) && serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) return -ENODEV; //Quectel EC20(MDM9215)'s interface 4 can be used as USB Network device if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215) && serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) return -ENODEV; if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) { __u16 idProduct = le16_to_cpu(serial->dev->descriptor.idProduct); struct usb_interface_descriptor *intf = &serial->interface->cur_altsetting->desc; if (intf->bInterfaceClass != 0xFF || intf->bInterfaceSubClass == 0x42) { //ECM, RNDIS, NCM, MBIM, ACM, UAC, ADB return -ENODEV; } if ((idProduct&0xF000) == 0x0000) { //MDM interface 4 is QMI if (intf->bInterfaceNumber == 4 && intf->bNumEndpoints == 3 && intf->bInterfaceSubClass == 0xFF && intf->bInterfaceProtocol == 0xFF) return -ENODEV; } } #endif- 1
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④添加休眠后唤醒接口，在option_1port_device 结构体变量里面添加如下
.reset_resume = usb_wwan_resume,- 1
4、在drivers/usb/serial/usb_wwan.c 文件中的usb_wwan_setup_urb函数中添加零包处理代码
#if 1 //Added by Quectel for Zero Packet if (dir == USB_DIR_OUT) { if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9090)) urb->transfer_flags |= URB_ZERO_PACKET; if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003)) urb->transfer_flags |= URB_ZERO_PACKET; if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215)) urb->transfer_flags |= URB_ZERO_PACKET; if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) urb->transfer_flags |= URB_ZERO_PACKET; } #endif- 1
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5、插入EC200A模块，查看日志是否虚拟出USB接口，现象如下
[ 2537.919546] option 1-1.4:1.2: GSM modem (1-port) converter detected [ 2537.920339] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB0 [ 2537.921527] option 1-1.4:1.3: GSM modem (1-port) converter detected [ 2537.922340] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB1 [ 2537.923486] option 1-1.4:1.4: GSM modem (1-port) converter detected [ 2537.924214] usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB2- 1
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再使用ls /dev/ttyUSB*命令查看，如下：
rk3288_Android10:/ $ ls /dev/ttyUSB* /dev/ttyUSB0 /dev/ttyUSB1 /dev/ttyUSB2- 1
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6、关闭SELINUX，路径：a\device\rockchip\common\BoardConfig.mk
BOARD_SELINUX_ENFORCING ?= false- 1
当BOARD_SELINUX_ENFORCING设置为1时，表示SELinux处于强制执行模式；当设置为0时，表示SELinux处于宽松模式。在强制执行模式下，SELinux会严格限制应用程序和系统服务的权限，确保它们只能访问其被授权的资源。
7、开启BOARD_HAVE_DONGLE和BOARD_HAS_RK_4G_MODEM，路径与第6点一样
如果编译时报android.hardware.radio.deprecated这个错误，那么就是BOARD_HAS_RK_4G_MODEM引起的错误。
解决方法：a\device\rockchip\common\manifest.xml <hal format="hidl"> <name>android.hardware.radio</name> <transport>hwbinder</transport> <fqname>@1.1::IRadio/slot1</fqname> <fqname>@1.1::IRadio/slot2</fqname> <fqname>@1.2::ISap/slot1</fqname> </hal> - <hal format="hidl"> - <name>android.hardware.radio.deprecated</name> - <transport>hwbinder</transport> - <version>1.0</version> - <interface> - <name>IOemHook</name> - <instance>slot1</instance> - </interface> - </hal> - <kernel target-level="5"/> </manifest> a\device\rockchip\common\4g_modem\manifest.xml <manifest version="1.0" type="device"> <hal format="hidl"> <name>android.hardware.radio</name> <transport>hwbinder</transport> <fqname>@1.1::IRadio/slot1</fqname> <fqname>@1.1::IRadio/slot2</fqname> <fqname>@1.2::ISap/slot1</fqname> </hal> <hal format="hidl"> <name>android.hardware.radio.deprecated</name> <transport>hwbinder</transport> <version>1.0</version> <interface> <name>IOemHook</name> <instance>slot1</instance> </interface> </hal> <hal format="hidl"> - <name>android.hardware.radio.config</name> + <name>android.hardware.radio</name> <transport>hwbinder</transport> <version>1.0</version> <interface> - <name>IRadioConfig</name> + <name>IRadio</name> - <instance>default</instance> + <instance>slot1</instance> </interface> </hal> </manifest>- 1
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如果报的错误是FAILED: out/target/product/rk3568_r/obj/EXECUTABLES/usb_dongle_intermediates/Misc.o
解决方法：\external\usb_modeswitch\usb_dongle\Android.mk - common_local_tidy_flags := -warnings-as-errors=clang-analyzer-security*,cert-* + #common_local_tidy_flags := -warnings-as-errors=clang-analyzer-security*,cert-*- 1
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8、无自适应功能的适配方法，也就是不会动态加载RIL库，而是写死的方法，如下
①将ril拷贝到对应的系统路径，创建adevice\rockchip\rk3288\rk3288_Android11\modify.mk文件，内容如下：
PRODUCT_PACKAGES += rild PRODUCT_COPY_FILES += \ device/rockchip/rk3288/rk3288_Android11/modify/xG_module/libquectel-ril/armeabi/libreference-ril-QUECTEL.so:vendor/lib/libreference-ril-QUECTEL.so \ device/rockchip/rk3288/rk3288_Android11/modify/xG_module/libquectel-ril/armeabi/chat:system/bin/chat \ device/rockchip/rk3288/rk3288_Android11/modify/xG_module/libquectel-ril/armeabi/ip-up:system/bin/ip-up \ device/rockchip/rk3288/rk3288_Android11/modify/xG_module/libquectel-ril/armeabi/ip-down:system/bin/ip-down \ device/rockchip/rk3288/rk3288_Android11/apns-conf.xml:system/etc/apns-conf.xml 然后a\device\rockchip\rk3288\device.mk文件下添加如下： include $(LOCAL_PATH)/rk3288_Android11/modify.mk- 1
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②设置vendor.rild.libpath属性
a\device\rockchip\common\device.mk ifeq ($(strip $(BOARD_HAS_RK_4G_MODEM)),true) PRODUCT_PACKAGES += \ CarrierDefaultApp \ CarrierConfig \ rild \ - librk-ril \ + libreference-ril-QUECTEL.so \ dhcpcd PRODUCT_COPY_FILES += vendor/rockchip/common/phone/etc/apns-full-conf.xml:$(TARGET_COPY_OUT_PRODUCT)/etc/apns-conf.xml PRODUCT_PACKAGES += \ android.hardware.radio@1.2-radio-service \ android.hardware.radio.config@1.0-service PRODUCT_PROPERTY_OVERRIDES += \ ro.boot.noril=false \ ro.telephony.default_network=9 ifeq ($(strip $(TARGET_ARCH)), arm64) PRODUCT_PROPERTY_OVERRIDES += \ - vendor.rild.libpath=/vendor/lib64/librk-ril.so + vendor.rild.libpath=/vendor/lib64/libreference-ril-QUECTEL.so PRODUCT_COPY_FILES += \ $(LOCAL_PATH)/4g_modem/bin64/dhcpcd:$(TARGET_COPY_OUT_VENDOR)/bin/dhcpcd \ $(LOCAL_PATH)/4g_modem/lib64/librk-ril.so:$(TARGET_COPY_OUT_VENDOR)/lib64/librk-ril.so else PRODUCT_PROPERTY_OVERRIDES += \ - vendor.rild.libpath=/vendor/lib/librk-ril.so + vendor.rild.libpath=/vendor/lib/libreference-ril-QUECTEL.so PRODUCT_COPY_FILES += \ $(LOCAL_PATH)/4g_modem/bin32/dhcpcd:$(TARGET_COPY_OUT_VENDOR)/bin/dhcpcd \ $(LOCAL_PATH)/4g_modem/lib32/librk-ril.so:$(TARGET_COPY_OUT_VENDOR)/lib/librk-ril.so endif endif- 1
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③设置rild.libpath属性
a\device\rockchip\rk3288\device.mk PRODUCT_PROPERTY_OVERRIDES += \ ro.ril.ecclist=112,911 \ ro.opengles.version=196610 \ wifi.interface=wlan0 \ + ro.telephony.default_network=9 \ + rild.libpath=/vendor/lib64/libreference-ril-QUECTEL.so \ + rild.libargs=-d /dev/ttyUSB2 \ ro.audio.monitorOrientation=true \ debug.nfc.fw_download=false \ debug.nfc.se=false \ vendor.hwc.compose_policy=1 \ sys.wallpaper.rgb565=0 \ sf.power.control=2073600 \ sys.rkadb.root=0 \ ro.sf.fakerotation=false \ ro.tether.denied=false \ sys.resolution.changed=false \ ro.default.size=100 \ ro.product.usbfactory=rockchip_usb \ wifi.supplicant_scan_interval=15 \ ro.factory.tool=0 \ ro.kernel.android.checkjni=0 \ ro.build.shutdown_timeout=6 \ persist.enable_task_snapshots=false \ ro.vendor.frameratelock=true- 1
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④修改开启rild服务，加载libreference-ril-QUECTEL.so库文件
- service ril-daemon /vendor/bin/hw/rild + service ril-daemon /vendor/bin/hw/rild -l /vendor/lib/libreference-ril-QUECTEL.so socket rild stream 660 root radio socket rild-debug stream 660 radio system class main user radio group radio cache inet misc audio log readproc wakelock capabilities BLOCK_SUSPEND NET_ADMIN NET_RAW- 1
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9、自适应功能的适配方法，也就是会动态加载RIL库，如下
10、添加权限，在a\device\rockchip\common\ueventd.rockchip.rc文件下添加如下
#quectel port /dev/ttyUSB* 0660 radio radio /dev/ttyACM* 0660 radio radio /dev/cdc-wdm* 0660 radio radio /dev/qcqmi* 0660 radio radio /dev/cdc-acm* 0660 radio radio- 1
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11、查看库是否有和加载库是否正确及日志
①查看库是否存在：cd vendor/lib/
②查看加载库：getprop | grep rild
③应用日志：logcat -b radio12、ping百度是否能上网
13、PATCH补丁文件和需要添加的文件
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- 原文地址：https://blog.csdn.net/morecrazylove/article/details/133913193
