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Forum Posts

STM32Cube Memory Usage

Posted on September 03, 2014 at 19:43I created a very simple project targetting a STM32F042K6 processor.  It includes a USB Device with CDC class as the only Middleware selected.  No other items are enabled.  When I go to compile the STM32Cube outpu...

jon2 by Associate II
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STM32Cubex and eclipse

Posted on June 02, 2014 at 17:27Hi,I am struggling trying to have a plain empty project to work under eclipse from STM32CubeMX generated code.  Why is there is no option to generate code for eclipse?  What is the procedure to migrate from a project ...

sine generator per AN3126

Posted on September 08, 2014 at 03:06I'm using an STM32F439 up clocked at 168 Mhz. I want to generate a sine wave exactly as outlined in app note AN3126 but I have several questions. 1) In the App note paragraph 2.1.3 it talks about the frequency of...

Solution for Internal flash programming on STM32F407?

Posted on September 08, 2014 at 05:01Hi,My project with STM32F407 requires save an 100 element array into internal flash(do not use backup SRAM). But first, I have to erase the location sector (128KB), and it take to much time  (about 800ms). Someon...

nhandt3 by Associate II
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F103 HSI instead of HSE

Posted on September 06, 2014 at 17:52 hello dear forum, I have changed F103 on the motherboard - however, HSE doesnot start up but I can download code into the F103 with USART I dont want to throw away the board my...

The I2C doesn't work! (STM32f030 and STM32f103)

Posted on September 02, 2014 at 18:54Hi ST partisans! (Wink) I have written two program for my two MCU. STM32F103RET6 and STM32f030. in the circuit, the STM32F030 should send ''Rohalamin'' string over I2C (as Master) . on the other hand, the STM32F1...

stm32f030: PF0/PF1 as GPIO

Posted on September 06, 2014 at 08:50 Dear forum members, I hope you can help solving a mystery. I stumbled upon these cute stm32f030f4 µCs and built minimalistic boards with it. No external oscillator used, thus pins PF0 and PF1 should b...

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de_koepi by Associate II
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Custom PWM Triggering in Center Aligned Mode

Posted on September 06, 2014 at 07:57Hi, I am new to ST. I have a STM32F405 MCU. Can someone please advise on the best way to customise PWM Output. I need to create a wave that is 180 degrees out of phase both with the same Frequency, Duty Cycle adj...

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STM32F4 SPI & Busy state

Posted on September 06, 2014 at 04:45Hello, I'm trying to handle the Chip Select pin via software, but I can't figure out how to determine when the SPI peripheral has finished the current transfer. By the looks of it, the SPI_SR_BSY flag, becomes 0 ...

shopping by Associate II
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