691 questions
0
votes
0
answers
16
views
ADB Device Not Found On "Universal ADB Driver"
So, first, it all started when someone here at home tried to update a TV Box (MXQ Pro 4k 5g), and when it finished, it no longer found any Wifi connection. I also couldn't set up a connection manually....
- 1
-1
votes
0
answers
30
views
How to remove corrupted flash from vc-02 module?
How to remove corrupted flash from vc-02 module? The flash size was 2MB but I went to upload 2.195 MB. So the upload stopped after it reached 93%. Since then, the firmware is not being uploaded in any ...
0
votes
1
answer
28
views
How to Generate a .bin File Without TouchGFX Images in STM32 Firmware?
I am working on firmware development using STM32CubeIDE with TouchGFX for an STM32H750Bx MCU. The firmware includes a GUI and a CAN-Bus for external communication.
Currently, the firmware size is ...
- 168
0
votes
0
answers
32
views
Building nodemcu (lua) esp32-dev firmware with u8g2 support does not include requested display driver
nodemcu esp32-dev branch cloned to raspberry pi 5. Firmware built with basic modules seems fine, bin files are produced and flashed to espressif esp32-wroom-32 (also generic 32E, dev kit 1,...) using ...
- 1
1
vote
0
answers
39
views
unable to generate bin folder using bash script with command: cmake -B build/Debug -DCMAKE_BUILD_TYPE=Debug; cmake --build build/Debug -j8
the bin folder inside build/Debug is generated in local environment (in vscode) by building the project using ctl+shift+b.
like that in below image using
command:
cmake -B ${workspaceFolder}/X2/build/...
- 221
0
votes
0
answers
60
views
arm cbz instruction with apparent always non-zero register value
While analyzing a 3d-printer firmware (From Flashforge) with ghidra, I stumbled upon following arm thumb code:
...
LAB_0012a734: XREF[2]: 0012a808(j), 0012a810(j)
0012a734 06 9b ...
- 1
0
votes
0
answers
84
views
Download binary file to MCU with STM32CudeIDE
I have .bin file. How can I download this to microcontroller using stm32CubeIDE.
I have tried to change .elf to .bin in Run configuration.
Error: Failed to execute MI command ... not in executable ...
- 1
0
votes
1
answer
126
views
Is EFI Simple Filesystem protocol always available in UEFI?
In my UEFI Application, I am using the EFI Simple Filesystem protocol to read and create files in the ESP partition.
My question is, is this protocol always available? Meaning can I assume this ...
- 1,046
0
votes
0
answers
258
views
UART Communication Between STM32 and ESP32
I am trying to get my ESP32 and STM32 boards to communicate via UART connection. However, when I run both programs in the Arduino IDE, it (1) doesn't seem to see that the Serial Port is available, and ...
- 1
1
vote
0
answers
85
views
What is the most stable approach for communication between UEFI Runtime Driver and Windows Kernel Driver?
In my UEFI runtime driver, I want to set some flags (UINT) based on some conditions, and then I want to read these in my windows kernel mode driver.
I cannot use the gRT->SetVariable, because the ...
- 1,046
1
vote
0
answers
40
views
Issue with Sending WebSocket Messages Using SiLab RS9116
I am using the RS9116 API for WebSocket communication. Here is a detailed explanation of the issue I am facing:
WebSocket is created using rsi_web_socket_create (works fine).
Data reception after ...
- 11
0
votes
0
answers
44
views
How to read DEVID register properly using SPI Protocol for AVR16A?
I am trying to read DEVID register from ADXL345 sensor using SPI protocol but always print 0x00 instead of 0xE5.but i don't know what the problem is. Is this firmware side problem or Hardware side?
#...
1
vote
1
answer
66
views
Validation of Latch LS374 data
I'm using LS374 Latch, and I have two of them. I have captured the data that goes into the latch, and that outputs from the latch, at clock signal. I recorded the data from logic analyzer that goes to ...
- 1,883
0
votes
0
answers
27
views
Weird android recovery/fastboot countdown timer
I have a device running Android 10. The bootloader is unlocked. I was able to flash TWRP but there's something strange happening. I guess it's because the manufacturer has enabled boot time USB stick ...
- 1
2
votes
1
answer
110
views
CC32XX using code composer for development
Does anyone know how to mock/fake the CC32XX board to do development.
I am doing development for this firmware and would like to make it more simple that having to flash it with Uniflash to try things ...
- 59.9k
0
votes
0
answers
40
views
Problems compiling CMSIS-RTOS library in ARM A7 firmware
I'm writing a firmware for STM32MP135 A7 ARM micro.
I'd like to include CMSIS-RTOS2 libraries and compile a simple basic program (to blink 2 LEDS in 2 different threads) by gcc cross toolchain and ...
- 408
1
vote
0
answers
64
views
How to change the I2C configuration in ARM Trusted Firmware?
I have an STM32MP processor that needs ARM Trusted Firmware for communicating with the PMIC. But when I flashing the STM32MP processor with the firmware, I get an error that the I2C device is not ...
- 2,817
0
votes
0
answers
51
views
Setting Endorsement Primary Seed fails
I am trying to set the EPS in an EDK2 UEFI Application. I always get "Device Error".
int main(int ArgC, char *ArgV[])
{
TPMS_AUTH_COMMAND AuthSession;
AuthSession.sessionHandle = ...
- 11
0
votes
1
answer
38
views
How to Convert a Byte Array to Unsigned Short and Calculate Standby Time from Battery Current in Android?
I'm working on an Android project where I need to interpret a byte array representing the battery current in mA and calculate the remaining standby time based on the battery capacity.
Currently, I ...
- 500
1
vote
1
answer
148
views
Why is it considered okay to use structs to represent MMIO registers in embedded system firmware, but not bit fields?
In embedded system firmware, it's common to represent multiple memory-mapped registers of a peripheral using a struct, under the assumption that compiler's code generation will follow a particular ...
- 3,507
0
votes
0
answers
85
views
I'm trying to perform a FOTA update on an ESP32 using GSM EC200U through AT commands, but the received data for the bin file is showing a length error
Im sharing some snippet from my code.
bool downloadFirmware(const char *url, const esp_partition_t *partition)
{
printf("Fetching firmware binary...\n");
// Initialize UART commands
...
0
votes
0
answers
42
views
Exception RISCV APB
I have a RISC-V core receiving commands from an APB3 interface, and I would like to test the pslverr flag. I noticed that the core hangs when pslverr is received so I probably need to handle it ...
- 3
0
votes
1
answer
54
views
How to tell what kind of event a SCI represents?
I am trying to understand the ACPI event programming model.
According to the ACPI 6.5 spec, SCI (System Control Interrupt) will be raised for two kinds of events: fixed event and general-purpose event....
- 64k
1
vote
1
answer
54
views
STM32F407VG Simulating positive quadrature stops working after setting frequency
First question on StackOverflow ever, so in case of any formatting error please let me know.
I'm working with a STM32F407VG microcontroller and basically managed to simulate a quadrature using ...
- 31
0
votes
1
answer
248
views
STM32F0 Jump to bootloader from application
I have a custom board with an STM32F042C4T6 where I use usart2 to load the firmware. Unfortunately on the connector I only have rx-tx-gnd and to load via usart I have to set the boot0 pin high. I ...
- 1
2
votes
0
answers
94
views
Ways to perform bitwise operations with symbols inside Assembly constants?
I am working on learning to write ARM firmware and am trying to create a Vector Table. I am using the GNU toolchain.
I have assembly code like the following:
MY_VECTOR_TABLE:
.long 0 ...
- 323
0
votes
0
answers
37
views
how to extract and modify an XFS file
I'm currently trying to modify a firmware of an electric car from china. I have the firmware unpacked and it contains images (I suppose?) of it's partitions. All of them are *.XFS I need to extract ...
1
vote
0
answers
69
views
How to use .asm in EDK2?
I am trying to use assembly in EDK2. I build an X64 driver so I can't use inline assembly but I always get an error while trying to compile.
I am using a HeciTool.asm that only returns a 0:
section ....
- 11
0
votes
0
answers
37
views
Why is TXE interrupt not being called?
I have to write code for an stm32 microcontroller using the low level library for uni. Part of the assignment is to send and receive data using UART.
My problem is:
In my USART interrupt handler I ...
0
votes
1
answer
238
views
4K frame buffer mod - Run application in 4k resolution
I have an Android TV BOX, this version is OS11, I want to run and APP or APK with 4k Resolution 3840x2160,
The default frame buffer is limited to HD 1920x1080, I would like to modify frame buffer to ...
0
votes
0
answers
31
views
Coding firmware for an analog mouse
Hey guys I'm pretty new to firmwares and coding IDE's but I'm building an analog mouse for a project and I'd like to get started on making it functional.
I know how to code the buttons, microswitches ...
0
votes
0
answers
12
views
VTrak No loadable IBL_RAM image. Reset to Engineering mode
I have VTrak M610i. I could not connect with mgmt port. But iSCSI still works.
Next I connected with console cable and see lile next. Then I did reboot and it says:
islavista> reboot
islavista> ...
0
votes
0
answers
24
views
Connection to The Things Network whit LR-FHSS
Context
I'm currently trying to connect to TTN whit LR-FHSS modulation, this is suppose to be supported by the Things Stack (Check that here), I'm using a LR1110 (this DevKit), using the LoRaWAN 1.0.4,...
- 1
-2
votes
1
answer
128
views
How to write firmware in vivado?
I’m a logic designer and never written firmware before. On top of that, I have been assigned with task to develop firmware in vivado. I did spend some time learning tool but it’s seems like a ...
- 21
0
votes
1
answer
176
views
Build failure EDK2
I get:
d:\edk2\SetVariablePkg\SetVariablePkg.dsc(...): error 4000: Instance of library class [OpensslLib] is not found
in [d:\edk2\CryptoPkg\Library\BaseCryptLib\BaseCryptLib.inf] [X64]
...
- 11
2
votes
1
answer
306
views
Can I enable Secure Boot from within an EDKII EFI application?
I want to write the keys (PK, KEK, DB) to enable secure boot, and then enable Secure Boot from within an EFI application.
I can successfully read those variables, and I can also write to the PK, KEK, ...
- 23
0
votes
0
answers
73
views
Run EFI application EDK2
How would I make my UEFI application made with EDK2 execute another .efi in a certain folder path? Let's say my .efi is in fs1:\test1\ and the .efi it should execute is in fs1:\test2?
- 11
0
votes
1
answer
159
views
UEFI application doesn't read user input
I was trying to make a simple application using EDK2 that reads the user input and prints it out, but it doesn't work.
That's my source:
#include "UserInput.h"
EFI_STATUS EFIAPI UefiMain(IN ...
- 11
0
votes
1
answer
185
views
BLE is not advertising on nRF52840 dongle; how can I configure this dongle using coding?
I am working on nrf52840 in which the BLE is not Advertising even after I am adding one parameter. I just want to add the parameters at the time of adding the 2 parameters. As you can see in picture
...
- 79
0
votes
0
answers
169
views
UEFI driver doesn't show "Hello World" in EFI Shell on boot
I made this UEFI driver with EDK2. It prints "Hello, World!" and pauses the Shell for 60 seconds. When I load the driver in EFI Shell manually it works perfectly. I then proceeded to pack ...
- 11
0
votes
0
answers
37
views
IMX8Mmini firmware upgrade with fallback mechanism
I need to upgrade the firmware of IMX8Mmini with fallback mechanism or secure boot. As i am new into this i am not getting proper document and any blog related to this. Can anyone help me this that ...
- 11
0
votes
1
answer
38
views
Using SST89E516RD controller, how to write the variable values into internal flash memory and read back from flash memory
I am working in SST89E516RD controller and KEIL c51 compiler using and new version. i want store the variable values into flash memory for power on cycle. for that I am using ...
1
vote
1
answer
70
views
Change text color in Z80 assembly for Amstrad CPC 464
I am trying to code this program, similar to game: "The Typing of The Dead" in Amstrad CPC 464 using Assembly language for the Z80 processor.
The program consists in when you see a string of ...
- 371
0
votes
0
answers
21
views
Can customers share their code without expose it?
Sorry for the fuzzy headline as I am not sure how to present the problem I am facing in a short way, neither I am not a software engineer by myself and not sure if stack overflow is the right place to ...
- 29
0
votes
1
answer
127
views
Create An Array From `Bcdedit /Firmware` Output
I have written a PowerShell script to save bcdedit /firmware output to an arrays.
function FWList {
$FWStore = bcdedit /enum firmware
$FWOS = ($FWStore | select-string identifier,device,path,...
- 273
0
votes
1
answer
493
views
Problem on executing firmware from Bank2 on STM32 Dual-Bank flash
I'm currently working with the STM32L073RZ on a project that requires firmware update over a proprietary wireless protocol. The OTA method I'm working on is using the dual-bank feature of this MCU. I ...
0
votes
0
answers
16
views
PC cannot detect USB when update firmware for alwinner board
I have a board alwinner running Android/linux. When I update the firmware for the board, the indicator light on the board turns red. After that the PC cannot detect the USB connection through USB otg. ...
0
votes
0
answers
969
views
Can't extract squashfs file system using unsquashfs tools
I'm trying to analysis router firmware.
I desoldering chip from router. chip name is F59L1g81la
And i erase ecc data from the extracted firmware and using binwalk to extract filesystem. It worked but ...
- 99
0
votes
0
answers
78
views
adding firmware binary(.bin) in flash image in Modular FIT?
I'm encountering difficulties in the process of integrating my firmware binary into the flash image using the Modular FIT tool during the build phase. Despite exploring different approaches, such as ...
- 21
0
votes
0
answers
22
views
How to program (compile/write) a firmware of DSPGroup's baseband chip DE56
There are several DECT cordless phones around me not only in my home, but also in my company.
All of them have a same brand.
Through the googling I found the fact that the DECT is very weak in ...
