STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! issue with the I2C which is not reading the data

i am using the STM32L4 Nucleo board L4R5ZI .i am trying to configure i2c to read time from the RTC DS3231.but i am getting only data as zero.what may be the issue.i have attached the code.kindly help..

NMuth by Associate II
  • 933 Views
  • 3 replies
  • 0 kudos

Regarding the Interrupt

i am working on enabling the gpio interrupt..i have setted a GPio pin as a interrupt and i have given priority for the interrupt and configured as a rising edge and written callback for that..but the issue when i apply high on the GPIO the interrupt ...

NMuth by Associate II
  • 415 Views
  • 0 replies
  • 0 kudos

STM32f4 Discovery ADC problem

I am trying to do a partial integration on a 550 KHz waveform using STM32F4 Discovery board using the Waijung toolset in Simulink. The sampling time that I am using is 0.018 us, i.e 3 cycles if the clock frequency is 168 MHz. The ADC prescaler is 2, ...

0690X000006C3SJQA0.jpg 0690X000006C3SEQA0.png
SMitr by Associate II
  • 1629 Views
  • 8 replies
  • 0 kudos

STM32F103 read/write SD card with SPI not SDIO

I would like to know if there is any examples on SD cards with SPI interface and HAL drivers. I use cube MX to generate my code and also the HAL librarys. However i know to get SD cards working with SPI I need to change the low level files which fatf...

Resolved! Reading current sensor via SPI (Solved)

I'm having problems to read my current sensor, which is located at the source leg of a power transistor. I'm using the sensor TLI4970This is my routine every 10ms:HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_RESET); //Bring slave select low   HAL_SP...

xpp07 by Senior
  • 2300 Views
  • 12 replies
  • 0 kudos

Bypassing UART

I have a UART configured in DMA read mode:/* task 1 code*/ uint8_t dmaRXBuffer[1]; HAL_UART_Receive_DMA(&UART_DOWN_USB_TO_SERIAL, dmaRXBuffer, 1);   /* UART DMA receive complete ISR code*/ void HAL_UART_RxCpltCallback(UART_HandleTypeDef* huart) { if...