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Questions tagged [qualcomm]

Qualcomm is a leader in mobile chipset design and own a significant amount of intellectual property in CDMA, GSM, 3G, 4G, 5G (upcoming) chipset markets. QUALCOMM develops modem processors and application processors which support Windows Phone, Android, Firefox OS. This wiki is mainly to be used for QUALCOMM based chipsets related questions.

139 questions
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How to communicate with QSEE in an Android application?

I am interested in developing trusted applications using TEE. I have a Nexus 5 that has Android 5.1.1 (LMY48M) on it. I want to create a very basic hello world app to understand TEE logic running on a real device. Nexus 5 supports QSEE (Qualcomm…
acalb
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glTexImage2D fails for GL_RG on Snapdragon devices

I'm trying to load a 2 channel, unsigned char texture using glTexImage2D with the following code (using the NDK, but I don't think that would make much of a difference here): glTexImage2D(GL_TEXTURE_2D, 0, GL_RG32F, width >> 1, height >> 1, 0,…
Dennis Munsie
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unable to convert tensorflow to tensorflow lite, the input shapes are showing 1,1,1,3

I am trying to convert tensorflow pretrained model to tflite, model input shape is [1,320,320,3], but after converting into tflite model I am getting input shape as [1,1,1,3]. here's the conversion code I am using: import tensorflow as tf # Convert…
Prashanth
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How to build Tensorflow Lite 1 on Yocto 2.4 Rocko on Quectel SC20

I use Quectel SC20 (Qualcomm MSM8909 SoC) with Yocto Rocko 2.4 and Bitbake 1.36 and try to install Tensorflow Lite v1.x on it. Unfortunately, the Yocto layer for TensorFlow Lite interpreter with Python / C++. does not support Rocko because it is…
Nam Vu
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Regarding the removal of /dev/diag Interface

everyone I am currently reviewing the use of Diag Interface for SM-G988U Deveice(Android 11). However, if i check the inside of the kernel, the existing /dev/diag has been removed. We obtained an open source through the terminal manufacturer, and…
김종현
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The mechanism of sendMsg() function in the LocEngAdapter class of the Android open source library LocAPI

I'm reading deep into Location-related components in Android Open Source Project. When I read the source code of Location Engine (https://android.googlesource.com/platform/hardware/qcom/gps/+/android-5.0.0_r2/loc_api/libloc_api_50001/loc_eng.cpp), I…
user9583136
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Qualcomm DSP: hexagon-sim with command line arguments

I am profiling c code on a hexagon simulator with the following tool: Qualcomm/Hexagon_SDK/3.5.3/tools/HEXAGON_Tools/8.3.07/Tools/bin/hexagon-sim --timing --profile binary.hexagon The binary is built with the…
laura_7292
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how to wrangle dual-mode Bluetooth (BREDR and LE GATT) to the same device

I'm building a headset device which is using the Qualcomm QCC512x family. I need to be able to connect to a third party device using BREDR for the "classic" profiles - HFP/A2DP/AVRCP etc. On top of that I am implementing a GATT server to act as a…
akatz
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Android BLE pairing and BREDR key distribution

I'm a developer working on an bluetooth headset product using Qualcomm SoC for Bluetooth and audio processing. Our product uses BREDR Bluetooth for "classic" profiles (HFP/AVRCP/A2DP) and LE for a mobile app and OTAU. The typical flow we expect our…
akatz
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How to run ARcore on a custom Snapdragon Board?

My team and I are building a custom Augmented Reality headset powered by the Snapdragon SM8250 processor (Using the Thundercomm C865 SOM) We have also integrated a 9 Axis IMU and an RGBD camera to perform SLAM operations. Since our custom device…
alphanapolean
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Unable to load the frozen model (.pb) in GraphDef in tensorflow version 2.x

Created a simple dummy sequential model in tf.keras as shown below: model = tf.keras.Sequential() model.add(layers.Dense(10, input_shape=(100, 100))) model.add(layers.Conv1D(3, 2)) model.add(layers.Flatten()) model.add(layers.Dense(10,…
Arvind
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HVX Camera Streaming (Hexagon SDK) is not working in Intrinsyc Qualcomm Snapdtragon 845 uSOM Dev. Kit

I have been practicing sample codes of Hexagon DSP SDK on Intrinsyc Open-Q™ 845 uSOM Hardware Development Kit. when i have tried with the camera streaming example i was able to execute the code and run it in DSP, even though i'm not getting a valid…
Kannan Balu
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glCreateShader() crashes on Android 11 / Pixel 5

I have a NativeActivity program which works fine on a OnePlus 3T running Android 9. It crashes on startup in Android 11 running on a Pixel 5. I'm using Visual Studio 2019 and SDK Build-tools 29.0.2 and Platform-Tools 30.0.4. The AndroidManifest.xml…
Jon Watte
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emmc drivers kernel linux crash when it is configured as loadable module

I have make a change to have mmc drivers loadable kernel module but I got a kernel crash when I tried to unload mmc_host_module using rmmod mmc_host_module. NB: I have deactivated CONFIG_MMC_CLKGATE. All insert command work correctly: insmod…
developer
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Diag output structure of Qualcomm modems

I have a Qualcomm Quectel EC25 modem which I can send AT-Commands to this module with reciving the response. I store this modem diag bytes using a python opensource app (qcsuper) with a little code manipulation. Here is a sample diag bytes: 21 00 00…
morteza ali ahmadi
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