DART-MX8M Android Modem

DART-MX8M - Android Oreo Android O8.1.0_r14 - Camera

1 Overview

The DART-MX8M is capable of adding mini PCI-e based modem to support LTE connectivity.

Note:

• At present we support only LTE Quectel EC25 support.
• Other modules could be supported please contact your module vendor.

3 Software Setup

Make sure you have the required hardware as per above.

3.1 RIL Setup

By default, build doesn't have RIL setup. <be> To add the RIL support follow below steps.

Register and get access to download zone https://www.quectel.com/login Download Quectel_Android_RIL_Driver_XX.Y.ZZ_master_<release>.tgz Where (XX.Y.ZZ are version numbers from quectel and <release> can be alpha/beta etc)

3.3 Downloading and adding Quectel RIL to build

$ cd ~/var_imx-o8.1.0_1.3.0_8m/android_build
$ mkdir -p vendor/quectel/
$ tar -xvf ~/Downloads/Quectel_Android_RIL_Driver_V3.3.49_master_beta.tgz -C vendor/quectel/

3.3.1 Add Quectel libraries to build

Edit device/variscite/imx8m/dart_mx8m/dart_mx8m.mk and add following code

TARGET_HAVE_QUECTEL_RIL := true 
ifeq ($(TARGET_HAVE_QUECTEL_RIL),true)
# wifionly device
PRODUCT_PROPERTY_OVERRIDES += \
    ro.radio.noril=false

PRODUCT_COPY_FILES += \
	vendor/quectel/libquectel-ril/arm64-v8a/libreference-ril.so:vendor/lib64/hw/libreferece-ril.so \
       vendor/quectel/libquectel-ril/arm64-v8a/ip-up:vendor/bin/ip-up \ 
       vendor/quectel/libquectel-ril/arm64-v8a/chat:vendor/bin/chat \
       vendor/quectel/libquectel-ril/arm64-v8a/ip-down:vendor/bin/ip-down \
	vendor/quectel/libquectel-ril/ql-ril.conf:vendor/etc/ql-ril.conf
fi

4 References

1. https://forums.quectel.com/uploads/short-url/paFeIdgzFeu3ArLuJEfWpWkIV05.pdf
2. https://www.quectel.com/product/lte-ec25-mini-pcie-series