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STM32F031 PWM input capture without CubeMx.

Posted on May 03, 2018 at 15:03Hello I am Alexandre,I am working on STM32F031C4T6I succeed to read the duty cycle and period of PWM on port PA8I tried to do the same on port PA4, PA6, PA7, PB0, PB1, PB10 and PB11, but it is not working at all.Here m...

STM32F4-Disco Strange Glitches on SPI1

Posted on May 04, 2018 at 13:07i have a STM32F4-Disco configured SPI1 / SPI2 as slaves to observe the in- and output of an external SPI-device (done with CD4021/CD4094 shift registers) and output something on SPI1 (MISO PB4) . SCLK goes to PB13 (SPI...

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DMA With TIM3

Posted on May 03, 2018 at 13:24Waclawek.Jan‌ELMHIRI.Syrine‌Turvey.Clive.002‌Hi all,I have to generate a PWM signal of 15%,40KHz  with a short pulse in response with a input.the task is, at initial the input state will be low. when input will b...

sanju by Senior
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IDLE interrupt on STM32F0 fires when enabling it

Posted on January 31, 2018 at 15:53Hi, I am trying to implement variable message length UART reception using USART IDLE IT and the DMA on the STM32F072 as detailed in this very helpful https://community.st.com/0D50X00009XkW2nSAF. I have discovered t...

B Zikhali by Associate III
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Does anyone know the correct USB driver for Win10???

Posted on May 06, 2018 at 02:29Much frustration.  Virtual COM driver works perfectly with CDC on Win10.  Supplied DFUSE drivers apparently are not completely compatible.  Anyone got a clue as to which USB driver and gotten from where will actually w...

How to TIMEOUT within DFU bootloader?

Posted on April 23, 2018 at 18:55My STM32F405 widget uses the DFU bootloader to reflash:  the user holds down several buttons in a super-secret pattern, and my firmware jumps to the bootloader.....  at which time DeFUse software can a) reflash over ...

Goof Ball by Associate III
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STM32F030CCT crashes when AHB prescaler is 8 or higher

Posted on May 04, 2018 at 20:36When trying to set up RCC as the following using Cube, the microcontroller seems to crash.      RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV8;  I checked that the RCC_SYSCKL_DIV8 macros (and higher options) actuall...

Single bulk memory copy (instead of memcpy)

Posted on May 04, 2018 at 15:24We are using STM32-767ZI and copying a small array into a memory area which is mapped to an external FPGA.Looking for how to make the copy in a single bulk operation.The options are:1. with a loop:        while(i < des...