Questions tagged [c++]
C++ is a compiled general-purpose programming language that adds object-oriented features and other enhancements to the C language, which it is largely a superset of. It is popular for both embedded and PC software development.
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Reading multiple push-button switches on a raspberry pi using an mcp23017 over C++
Having followed various tutorials on the web (i.e. 1,2), I have made the following connections:
To enhance clarity, I post another picture depicting the connections on the mpc23017 using a cropped ...
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Remapping PD1 to be a GPIO STM32Duino
I would like to remap the PD1 PD1-OSC_OUT pin on the STM32F103C8 running arduino framework.
Originally on bluepill these pins ...
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Programmer is not responding error
I currently am running into problems with my new Arduino board. The complete details are here with log info and other troubleshooting steps https://forum.arduino.cc/t/programmer-is-not-responding-...
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Why are GPIO Expander Registers Being Rewritten?
I'm using an LPC1768 microcontroller (mbed) and 4 GPIO expanders (MCP23017). I am trying to write to the expanders to enable the pull up resistors and some other functions, but am getting strange ...
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Fake content in serialized array
I have network structures and a container structure (nvs) that holds the number of networks and a pointer chain for each network. I would like to serialize this container and then store it in Non ...
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How do I control the brightness of a TFT LCD through SPI (No Backlight Pin)
I recently purchased a TFT LCD (GMT020-02 VER1.1)
The screen uses the ST7789V LED Driver and does not include a backlight control pin, So Originally I though that it was impossible to control it (i.e ...
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Losing external EEPROM data after power Cycles on ESP32
Sending "1" starts the write operation into the eeprom every 1 second to the next available address, and sending "2" starts reading the written values into the eeprom. When there's ...
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Input capture and timers
Microcontroller: STM32F401RE
Doing input capture on TIM1's channel 1,2,3,4.
ARR register value is 65536.
The clock is 8Mhz.
The 4 input capture channels are connected to 4 microphones. As soon as a ...
user351626
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Can you deliberately damage RAM using pointers?
Can one deliberately cause physical damage to RAM using C++ and its implementation of pointers?
What about segmentation faults? Can they cause any damage?
Example: trying to access a non-existent ...
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Can I write and read a parallel EEPROM content with Analog Discovery 2?
I am wondering if I can read or write the contents of a parallel EEPROM (e.g., 28C64) using Analog Discovery 2. Is C/C++ necessary for this purpose, or is Java sufficient (since AD2 allows scripting ...
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Planning a University Course: Advantages of modern MCU platforms [closed]
I want to get sincere advice regarding the use of microcontrollers in educational institutes.
I am an Engineer at a University in India.
We have been using PIC microcontrollers (PIC16 and PIC18) for ...
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Printf retarget on STM32 with CubeMX
I'm using STM32F7xx for my project where I use VS Code text editor in combination with CMake project build. I also use CubeMX for code generation. For a record I have already examined all the answers ...
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Array not initialized properly in STM32Cube IDE
I have a function conv 2D , that takes in 4D and 1D vectors as inputs (inputs, weights,outputs and biases) along with size parameters which are int (filter height, width etc). The function directly ...
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Error with arduinoFFT library
I'm trying to use the arduinoFFT library (https://github.com/kosme/arduinoFFT) with my ESP32. I made a basic program just to see if the FFT is done correctly. The problem is that I can't compile the ...
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Load bootloader on ESP32
I'm trying to load the bootloader to my esp32 or that's what I think I need, because when I connect it with USB to TTL, and I connect TX with RX, Rx with TX and GND with GND and I reset the micro by ...
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