Forum Posts
After full chip erase I don't see virtual COM port on my PC.
Hello.I did a full chip erase using STM32CubeProgrammer and after that I can upload and run the code. Everything works fine like SAI, SPI interfaces but when I try to set communication via USB_FS as a device only to send data to PC using virtual com ...
Resolved! SRAM internal frame Buffer - LTDC - Strange Issue
hi,I have successfully connected LTDC display(480x272) with STM32H723ZGT6 - RGB565 mode .I could able to image file from internal Flash Memory .I could able to Load Perfect colour from DMA2D by using. framebuffer in global level .uint16_t framebuffer...
Multilevel Inverter
How generate multicarrier PWM on stm32? Currently my project is making Modified seven level packed u cell inverter.
Send data over SPI instead of serial wire debug
I am developing some trackers for personal use in VR and have found an excellent solution that meets my needs using the STM32CubeIDE environment and some boards. I create and test the files, but I realize that debugging over serial communication is n...
Resolved! STM32L496 Resetting CAN TEC/REC Counters
I have a system in which the power source to the CAN transceiver interfaced to the on-chip CAN peripheral is common between multiple MCU's vis-a-vis a connector. I have experienced issues wherein if the connection is broken and then re-connected betw...
Library for MQTT using STM32F411RE and GSM module
I am beginner in using STM32 boards I am working with stm32f411re board with that I will use sim900a gsm module for internet connectivity and then mqtt protocol to send data to AWS cloud. So, when I am using paho mqtt library paho.mqtt.embedded-c/MQT...
Resolved! STM32G474RE HRTIM ADC Injected Conversions not triggered
Hi there,I am configuring HRTIM TIMD to generate PWM which works as expected, roughly following the Synchronous Buck Converter example for the DPOW1 eval board (my target is the nucleo64).I use LL API calls instead of HAL calls for my project. I ha...
send AT commands via stm32l011
hello everyone, I have a problem, I have a custom PCB with an STM32L011, I have a sim800l module connected, I send the AT commands via LPUART1 and I want the response on UART2, but as an answer I got AAAAAAAAAAA and after a while Call Ready,Call Read...
Problems clearing USB interrupt bits from STM32F411 GINTSTS register
Trying to work with the STM32F411 USB OTG peripheral and compiling with Segger Embedded Studio, I'm having trouble clearing out the USB interrupts.The USB peripheral has IRQ bits that are write-1 to clear. As can be seen in the image below, the brea...
