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Waveform Non Pin Timer GPIO STM32F429IGTB

Hi All,I want to generate digital clock/waveform at non timer pin STM32F4219igtb, let say using pin PORTD.5 and synchronize with several GPIOs using DMA. the purposed to drive the multiple HUB75 port.Currently i'm succeed to drive the clock pin using...

Mhida.1 by Associate
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Resolved! SPI slave interrupt is slow in STM32F767

I am working on SPI slave at NUCLEO-F767ZI.I am using the interrupt and LL library. This is the RX handler:void SPI1_Rx_Callback(void) { if (LL_SPI_GetRxFIFOLevel(SPI1) > LL_SPI_RX_FIFO_HALF_FULL) { // this is only for break point ...

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YoungKim by Associate III
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Resolved! STM32H7: Multiple Push Button Interrupts

Hello,I am looking to implement multiple push buttons (7, specifically) that are used to turn certain features ON/OFF on a front panel. For example:PB1 = LED ON/OFFPB2 = DC Power ON/OFFPB3 = AC Power ON/OFFetc.My current plan for my custom board to d...

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KMew by Senior III
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I have a button connected to STM32F405. I am using external interrupt with the button. Inside the callback of the external interrupt I am sending a command to retrieve some data from another microcontroller as a loop. But I am receving only data once.

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { if(GPIO_Pin == GPIO_PIN_10) { for(volatile int j = 0; j<3000; j++) { char Txbuffer = "Read\n"; HAL_UART_Transmit_IT(&huart2, (uin...

cjaya.1 by Associate II
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Can a variable be locked at hardware level ?

I changed out of curiosity the max speed variable of my car ECU from 250Km/h to 60Km/h to see if the car reach that speed and hold there or I can go beyond and get a notification but it turns out that I cannot exceed that limit.Now, I'm unable to get...

Vertinhol by Associate III
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  • 3 replies
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STM32U5 sometimes does not reconfigure IWDG.

At startup, I set the watchdog timer to 8 seconds.IWDG->KR = IWDG_KEY_ENABLE; IWDG->KR = IWDG_KEY_WRITE_ACCESS_ENABLE; IWDG->PR = IWDG_PRESCALER_64; // 8 s IWDG->KR = IWDG_KEY_WRITE_ACCESS_DISABLE;Further, in the interrupt, when the button is pressed...

Sheller by Associate
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  • 1 replies
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Trigger out and ADC using timer TRGO

Hello ST Community,I have a question about the way to trigger out an ADC using internal timer TRGO, i would like to use an STM32L4 or STM32U5 for this function, so i'm using an External Time Reference (ETR) signal and i would like to know if there is...

ABD74 by Associate
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  • 3 replies
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