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STM32F30x count external pulse Up/Down

Posted on March 06, 2014 at 14:40Hi, I would like to know if is possible set a timer or other peripheral on the STM32F30x to count up or down the pulses applied to a pin depending on the logic level applied to a second input. For example if the se...

STM32F429 USART1 TX sending garbage

Posted on March 21, 2014 at 15:03 Hello, I am using the STM32F429 board, I have configured the USART1 for TX (PA9) and RX (PA10). For testing purposes i send a buffer of 0x44 values down the USART. I monitor this tranmission on another b...

jf659 by Associate II
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  • 3 replies
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how to configure 2 analog inputs for adc?

Posted on March 21, 2014 at 15:13Hi guys, I am a beginner and just start playing around with the board. I need some help on configuring 2 analog inputs for adc3. I already looked at the peripheral example. It seems like it is only configured for 1 p...

Clear of EXTI-PR Flag at the the end of ISR doesn´t work

Posted on March 21, 2014 at 13:29Hello all, I am using a STM32F2xx chip. I found I strange behaviour in the interrupt service routine for the external interupts. Due to possible glitches in the edges triggering the external interrupt, I clear the pe...

andywild2 by Associate III
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  • 2 replies
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Error communication

Posted on March 19, 2014 at 15:16to be migrated, sourceId: 39513:697285D7-A9CA-445D-B16C-F23BF0E3B1A3

tiche79 by Associate II
  • 1987 Views
  • 11 replies
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I2C and EEprom

Posted on March 17, 2014 at 11:34Hi,I'm starting to develop an application where I'll manage EEprom data by I2C. Is there a complete example for stm32F0discovery? Thanks

mosine by Associate II
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  • 2 replies
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spi eeprom reading problem

Posted on December 13, 2012 at 00:57Hi, I am writing data into an ST 95M02SPI eeprom memory, from a STM32F051 micro but I am unable to read it back. On the scope I can see the proper data on MISO (just an incrementing count). SCK looks to be fine, (...

stenasc by Senior
  • 1494 Views
  • 6 replies
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STM32L-Discovery and PMB-648 SiRF (GPS Module)

Posted on March 21, 2014 at 04:18 Hey there. I am trying to receive TTL messages sent from my PMB-648 to my STM32L-Discovery board on pin PC11 but I'm having trouble. Whenever I debug my code it hangs on the while loop, waiting for data to arriv...

jbh0001 by Associate II
  • 621 Views
  • 2 replies
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STM32F USB Device with USB3 host

Posted on March 12, 2014 at 17:40Hi,I'm developing both a driver on the host side and application on the client/device side using the onboard FS phy. Provided the host is USB2 both sides are behaving as expected. If I plug the device into a USB3 por...

DMA and CPU accessing SRAM same time

Posted on March 19, 2014 at 15:28Hi,I am working on a system using STM 32F107 processor(connectivity line). Because of our requirement same memory location of SRAM is accessed by both CPU and DMA. CPU is supposed to move the data from initial locati...

nmadhavan by Associate II
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  • 7 replies
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