STM32 MCUs Products

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Forum Posts

ADC sampling rate

Posted on January 04, 2013 at 21:21I need to sample 2 ADC channels at a rate of 200KHz I also need to sample another ADC channel at a rate of kHz.Currently I use the same ADC (ADC3) for all 3 channels.During the initialization, I supply the DMA with...

STM32 Interrupt Priority

Posted on January 15, 2016 at 09:16Hello! I am using a STM32F302 custom made board. When I set TIM2, CAN_TX and CAN_RX at the same priority, CAN_TX and CAN_RX interfere with the performance and interrupt timer of TIM2. I checked the user manual and ...

Can't seem to generate external interrupt

Posted on January 19, 2016 at 23:54On stm32f072xb (Discovery board), I am able to detect an interrupt on PA0.Using the example provided, I configured the external interrupt as such.   EXTI->IMR = 0x0001; /* (3) */    EXTI->RTSR = 0x0001; /* (4) */  ...

hassan2 by Associate II
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STM32L0 board USART IRQ

Posted on January 10, 2016 at 02:08 Hi everyone, I am trying to connect a nucleo board to an ESP8266-01WiFi board using UART1, I've used the STM32Cube to generate the project. I've added the NVIC and there is aUSART1_IRQHandler function g...

dman by Associate II
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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 ...