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Forum Posts

Increase SPI Frequency on STM32F4 Disc

Posted on May 17, 2015 at 17:29Hi there , I use the SPI3 unit on my STM32F4 Discovery board to control a TFT. I want the images to load faster and as a result I need to increase the SPI3 clock/frequency. Currently this line of code clocks the unit:R...

monta by Associate II
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  • 5 replies
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SmartCard UART HAL Library problem/work-around

Posted on February 04, 2015 at 20:171. SmartCard USART mode, getting an interrupt for, receiver overrun error (ORE) while transmitting. ORE interrupt before TC interrupt.   Causes truncated transmission. Using   HAL_SMARTCARD_Transmit_IT() The Smart...

calling hal_delay inside callback (ISR)

Posted on May 12, 2015 at 16:18 Hi, I'm struggling with this on stm32f429 discovery board with arm cortex M4: I have a reception task via UART which receive a character per time and put it in a circular buffer cbuff. When some conditions ...

valerio2 by Associate II
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  • 2 replies
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Reload firmware demo for STM32F429i

Posted on November 01, 2014 at 19:15Hi! i got the discovery board STM32F429I Disco (the one with the TFT LCD).I'm using Ubuntu, and my own toolchain like this https://www.alexwhittemore.com/stm32f4discovery-on-ubuntu-command-line/ .Using St-link and...

jmanleyp by Associate II
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  • 7 replies
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Reading worng first byte from serial flash

Posted on May 18, 2015 at 09:43Hi everyone, I'm working on custom board connecting STM32L152 to MX25L8006E (serial flash) using SPI driver. The SS is handle by me (software). I'm writing 24 bytes to some address and when i read from same address the...

moran by Associate II
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  • 2 replies
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ADC to turn on LED HELP!

Posted on May 11, 2015 at 12:46 Hello, I want to read data from ADC so that a LED turns on when I connect 5V to the input pin of the ADC and turns OFF when I connect 0V to it. The problem is that the LED turns OFF when I connect 5V inste...

fiulala by Associate II
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  • 3 replies
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updating CubeMX project if loops lost

Posted on May 12, 2015 at 16:10Hey, after I updated a CubeMX generated project again with CubeMX, all my if loops in the while loop were lost. Other loops outside of the main() are untouched. Where is the problem? Can anybody help me please? Thanks ...

gross by Associate II
  • 681 Views
  • 4 replies
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clock configuration in STM32F107Rc

Posted on May 17, 2015 at 08:49HiI want to use the dSPIN family firmware library for my board. The STM32F107RC and a 8MHz crystal are integrated on my board. I have problem with this library (system clock configuration) and I confused.I want to have...

yasamin by Associate II
  • 574 Views
  • 2 replies
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stm32f4 GPIO clock enable delay

Posted on May 17, 2015 at 01:06Hi,I just wanted to blink an LED on my STM32F4 discovery board. It should be easy, right? I grabbed Ross Wolin's blinky code off of github. https://github.com/rowol/stm32_discovery_arm_gccHere's the code of interest: /...

galens by Associate II
  • 1477 Views
  • 7 replies
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