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Multiple Frequency PWM sequencer

Posted on January 18, 2016 at 20:10 Hello, I'd like to create a sequencer on my STM32F100RB (@8MHz) to control 8 independants PWM channels. I configured a timer to generate a 10us interrupt wich call the update function. //timer 10µs...

bobaston by Associate II
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STM32F746G-DISCO, CN14 power question

Posted on January 12, 2016 at 16:22Hello. According to UM1907 I can power the board via ST-LINK USB connector (CN14) if the host PC can deliver 500mA. My board doesn't start using CN14 connector. When I power it from the same USB via usb_fs (CN13) o...

baev_al by Associate II
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Backup registers

Posted on January 19, 2016 at 15:08Hi,I need to write on the backup registers when a falling edge is detected on PA0. So I put some capacitors on Vbat but now I need some advice to write the stmcube code. Then I have to be sure that the value stay i...

HAL UART IT function

Posted on December 15, 2015 at 14:21 Hi all, trying to use the UART interrupt fuction, i set up cube and got a close look at theSTM32Cube_FW_F4_V1.9.0\Projects\STM32F4-Discovery\Examples\UART\UART_TwoBoards_ComIT this is my code, that does no...

td by Associate II
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HID Problems with STM32F429i-discovery

Posted on January 19, 2016 at 18:35Hello everybody, I've configured with CubeMX the standard pinout of the STM32F429I-DISCO. In Cube I've added the USB_OTG_HS peripheral with Internal PHY set to Host Only. I've then activated the USB_HOST Class for ...

Mapped SWD pins and bricked the device

Posted on January 19, 2016 at 16:08 Hello, ST community! I'm developing firmware for a custom board (schematics not available) based on a http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1575/LN9/PF250188?sc=internet/mcu/product/250jsp...

jacek by Associate
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Troubles with TIM1 PWM generation via DMA.

Posted on January 19, 2016 at 15:59Hello. I have some troubles when implementing PWM generation on the timer TIM1. I use STM32 HAL Library. I have to update the values of registers CC1�CC3 each time when TIM_UPDATE event happens. I planned to use 2 ...

sheinv by Associate II
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F427 - Master-slave-timer issue!

Posted on January 19, 2016 at 15:59 Hi Guys, I have some issues with my master-slave time configuration. I simply chain TIM4->TIM1, whereas TIM4 triggers TIM1 every *** ms. As a result TIM1 responds with a single pulse on channel 1. Th...

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hof2 by Associate II
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Slow RTC

Posted on January 19, 2016 at 11:31 Hi all, I'm using the RTC to send data every few minutes, but after a while I saw that the shipments are carried out each longer than scheduled but ntp number sent by my stm were correct as I wanted. ...

disable interrupt

Posted on January 18, 2016 at 17:14i know how to set properly timer interrupt and it works fine. now i'm trying to create a function to disable interrupt. i should be something like this:void TimDisableInterrupt(TIM_TypeDef* TIMx){ switch((int)TIMx)...

mauro2 by Associate II
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