STM32 MCUs Products

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Forum Posts

LP-Timer problems

Posted on August 31, 2017 at 14:19I am using the ST32L476 and found out the following:1. The LP-Timers don't generate a compare-interrupt when the value of the CMP-Register is 0x7FFF, all other values are working correctly.2. Writing to the CMP-Regi...

What Happened during while() loop?

Posted on August 30, 2017 at 13:05 I recently noticed a strange case on STM32F7 I measure the execution time of this function by clock cycles. which is just a simple while loop. void LK_ADDr(float *im, float *meanParameter, int Size ) { ...

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Resolved! ADC VDDA and PA2 measurement

Posted on August 30, 2017 at 15:46Hello Community,I work on a STM32L151CCU6 and I need your help.I try to measure VDDA voltage in order to calculate a voltage divider on PA2 (single mode). My two ADC configuration functions are :void MX_ADC_Init(voi...

Resolved! STM32F7 Debugging Hardware

Posted on July 31, 2017 at 20:49Hello all,I have created a new PCB with a STM32F746ZG chip but the issue is that I am able to upload the GPIO IO Toggle example from the NucleoF746 folder but the LEDs do not blink after uploading. I have tried making...

Evaluating SPWF01SC for file transfers

Posted on August 31, 2017 at 00:52Hi Everyone,I've been evaluating an SPWF01SC to see whether it's suitable to add web browser file transfer functionality and a control interface to an existing embedded (bare metal) project.Host controller is an STM...

STM32L496QEI oscillator frequency error

Posted on August 30, 2017 at 21:03I'm debugging a new board which uses the STM32L496QEI6 and found that the HSI and MSI clocks are running about 8% too slow which is way outside the specification. (This error shows up both on both the UART pins and ...

STemWin Alpha Blend Transparent Child to Opaque Parent

Posted on August 30, 2017 at 23:09Hi,I'd like to know if it is possible to configure alpha blending such that the transparent pixels of a child rectangle are blended with the frame buffer contents created by the parent.  It appears the only way to b...

Resolved! ST-LINK Utilities V4.0.0 save broken

Posted on October 29, 2016 at 17:48having a frustrating time with the new utilities, using an STM32F103RBT6 repeatedly getting a ''fail to save bin/hex'' type error when using ''Save As''. Didn't seem dependent on file name, and file name didn't cla...