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STM32H7 Custom Project Schematic review help

Hi guys,I been working on this project for some time now on my "free time"...but so far without any success.In the first prototype I have assembled all the peripherals(QSPI, eMMC, SDRAM, some I2C and SPI slaves peripherals and DSI display.).Nothing s...

pema_0-1724698352193.png pema_1-1724698368494.png pema_2-1724698389561.png pema_3-1724698407578.png
pema by Associate II
  • 607 Views
  • 5 replies
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DMA channel1 Stream 0-7 which channel to choose

Hi i m working on H732 timer1 as PWM and its working fine, but when I try to implement DMA on timer1, there is no waveform. I enclosed the DMA code below, as I declare an array of 10 PWM duty cycle values..i suspect it's the Timer1 channel1 stream th...

StanJerm_0-1725327735894.png
StanJerm by Associate III
  • 505 Views
  • 6 replies
  • 0 kudos

Resolved! HardFault when using UART and DMA

Hi, I have a program running on a STM32U083RCT that is raising a HardFault when running at full speed, but when stepping through the code using a debugger the code appears to run correctly. I have a transceiver device connected to to USART2. I have a...

Jorgie by Associate III
  • 501 Views
  • 2 replies
  • 0 kudos

Lora Basics Modem on STM32L073RZT6

Hello, I'm working on testing the LoRa Basics Modem V4, available in SWL2001 on github, and for now I've managed to generate the executable and download the program on the board I have, but nothing has appeared yet on The Things Network. I believe th...

stm32 GPIO input from mcp23017 interrupt

Hello,I'm working on a project involving an STM32F103 and a mcp23017 port expander.I've connected the mcp23017 INTA to PA15, no pull-up or down involved.I'm able to drive the mcp23017 via I2C, no problem about that.The problem I have is detecting the...

Resolved! Control amount of samples for timer STM32H7 via PWM?

Hello, I need to make 10 samples via Tim13 and PWM in STM32H7. I implemented the next script, but finally, on the oscilloscope, I saw about 50 samples every 0.1 sec. Do you know, how easily control the number of samples for Timer in stm32?       #inc...

Ronil by Senior
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  • 8 replies
  • 1 kudos

Resolved! STM32 builtin bootloader GO command problem

Hi,I am trying to set up bootloader on my STM32G030, via usart. When I enter it and send start command (0x7F) I do get ACK response(0x79). I cna read ID and protocol verions, but when I try do use "Go" command to start my application, it gets stuck.W...

KlemenDS by Associate II
  • 371 Views
  • 2 replies
  • 1 kudos