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Henrik Sandaker Palm
Associate II
since ‎2018-07-19
‎2023-06-14

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  • 28 Posts
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User Activity

STM32F042 refuses programming

2017-01-15
Posted on January 15, 2017 at 14:56Hi,I have a custom board that I used successfully with a ST-LINK V2 and OpenOCD in SW4STM32 for a while. Then I did something, can't remember exactly what, but it was during debugging I think I lost connection some...

USB CDC device on STM32F042 getting ''Device Descriptor Request Failed''

2017-01-07
Posted on January 07, 2017 at 23:15I'm struggling getting a STM32F042G6 to enumerate as CDC device. I'm getting the Device Descriptor Request Failed in device manager. Did it enumerate right away with only CubeMX generated code for you? I'm running ...

My vdd readout is high. Using Vrefint ADC channel.

2017-01-04
Posted on January 04, 2017 at 19:51Hi,My vdd calculates to 3.49V but I measure it to 3.30V with a voltmeter.The Vrefint calibration value at 0x1FFFF7BA is 1550.The ADC value I read is 1465, fluctuating +/- 1.Calculation is 3.3V * VrefintCalValue / A...

Why my ADC value alternates when signal is steady?

2016-12-29
Posted on December 29, 2016 at 15:53Hi,I'm quite new to STM32 and Cube HAL. Hardware is custom, mcu is STM32F042G6Ux, created initial code with Cube MX. IDE is SW4STM32.The issue is that the ADC value is alternating somewhat between two values (roug...
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