STM32 MCUs Products

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Forum Posts

Reflash ST-Link on discovery board

Posted on January 11, 2017 at 18:22I have tried to reflash St-Link by J-Link. But has got an error: Timeout: ST-LINK/V2-1 did not enter DFU modeNow ST-Link is not detected.Is there any way to reflash st-link on the board by other board or so?

STM32 chips with native modbus support

Posted on December 30, 2016 at 22:20Hello there,Is there any list of STM32 devices with native ModBus support? I am trying to find a proper mcu and I have to open each datasheet by hand and ctrl+F for modbus. There has to be a better way. So far I h...

TIM5 counter

Posted on September 02, 2016 at 12:41Hi all,I want to count pulses from an input, using TIM5 channel 3, I have tried with channel 1 and it is working but I cannot make it works in channel 3 , can someone let me know what can be wrong.This is the cod...

jampino by Associate II
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  • 8 replies
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IAR ARM 7.80 Problem

Posted on December 27, 2016 at 14:00Just installed trial version of iar arm and my project is compiling just fine, but then i try to load, it says that selected MCU does not match target device. I triple checked that i have correct MCU selected, but...

epoch time

Posted on January 11, 2017 at 14:59I'm using a NUCLEO-144 with an STM32F412ZG MCU. I'm having issues with the time() function. If I load my application via the debugger, the call to time() gives me the desired result. If I run my application normall...

Joe M. by Associate
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  • 1 replies
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EEprom faliur

Posted on January 11, 2017 at 06:22I have write a string on multiple address of eeprom but when i read it later it show FF on some places between the data but sometime it reads every thing fine. I am using this library http://www.electroons.com/blog...

daynial by Associate II
  • 258 Views
  • 1 replies
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Cannot locate core_cmInstr.h

Posted on January 05, 2017 at 03:07Hello, i am new in linux, i am using the STM32 Crypto lib and try to work on the RSA part,i am using linux command build.I get the error ofcore_cm3.h:136:95: fatal error: core_cmInstr.h: No such file or directory m...

FLast.11 by Associate III
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  • 4 replies
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UART Transmit with DMA Issues

Posted on January 08, 2017 at 20:53 Edit: compilable example code posted below in comments. The problem now with this code is that too many messages are being sent in addition to the wrong data being sent. I am using VisualGDB and a STM32F303RET6...

0690X0000060MopQAE.jpg
R H by Associate II
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  • 5 replies
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SPI for reading bits in Half-duplex

Posted on January 10, 2017 at 10:07Hi,I should read output data from an IC with SPI protocol as shown below.Actually I've got confused how can read each bits with SPI for (n=16 to 32). Or can we another simple approach to read data?I did some settin...

0690X00000605yuQAA.png
parisa by Senior
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