STM32 MCUs Products

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Low voltage on STM32 F103x8

Posted on June 22, 2016 at 16:56HelloI have configured the TIMER3 to output PWM on PA6, PA7I need the PWM to initialize a device which require PWM input.First it worked fine, but on second day, the voltage of that pin dropped from 3V approx to 0.1V....

STM32L152 Nucleo and CubeMX

Posted on June 22, 2016 at 09:11Hello, yesterday I created a small program for STM32L152 Nucleo with CubeMX. It was running but MCO set to HSE gave only 4MHz with 75% duty cycle while I measured OSCin with 8MHz. After searching a while I found that ...

mmensch by Associate II
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how to change CubeMX source files

Posted on June 22, 2016 at 09:21Hello, I created a small program with CubeMX to test STs USB device stack. My compiler (GCC) gave me a page full of warnings because of this declaration: void USBD_GetString (uint8_t *desc, uint8_t *unicode, uint16_t ...

mmensch by Associate II
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update values for DMA

Posted on June 22, 2016 at 23:09 Hello, i am modulating the ARR and CCR registers of a timer to get a stream of ppm pulses, and squeeze them togheather. To be honest i am not very familiar with DMA's . What i want to achive, is to sq...

Bogdan by Senior
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Reset a STM32

Posted on June 22, 2016 at 18:45HelloI have a STM32F429I - DISC1 microcontrollers. After mishandling likely, the microcontroller was not started.When I plug in the USB cable, my computer tells me that the device is not working properly. The only LED...

STM32F0xx ADC MAX Vref and Converted Value

Posted on June 22, 2016 at 18:29It is recommended to use DMA for multiple ADC channels, and I spent too much time trying to switch between channels manually. So I used STM32CubeMX to get DMA working for ADC1_Channel_0 and Channe_1 It seems with 3V3 ...

gerhard by Associate II
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STM32F0xx ADC oversampling with DMA

Posted on June 22, 2016 at 18:47It is recommended to use DMA for multiple ADC channels, and I spent too much time trying to switch between channels manually. So I used STM32CubeMX to get DMA working for ADC1_Channel_0 and Channe_1 I want to take x16...

gerhard by Associate II
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STM Timer OC Polarity runtime change

Posted on January 14, 2016 at 15:38 Hi, I have setup a OnePulse mode on a channel of a STM32F446 Timer TIM5_CH1 : void TIM_MS_Init(void) { TIM_OC_InitTypeDef sConfigOC; /* Compute the prescaler value to have TIM5 counter clock equa...