STM32 MCUs Embedded software

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Hi I tested arm_rfft_fast_f32 function from CMSIS-DSP 1.4.5. i want to calculate frequency. whenver i am use arm_cmplx_mag_f32((float32_t *) FFT_Input_Array_1, FFT_Output_Array, Samples); this function given not proper calculate fft Result.

Hi I tested arm_rfft_fast_f32 function from CMSIS-DSP 1.4.5 i used external 16 bit adc to given input of the stm32f4 devlopment board using SPI DMA interface. This row count data from adc given to the input buffer that are given belowMy Problem is th...

Svish.3 by Associate
  • 639 Views
  • 0 replies
  • 0 kudos

Read I2C on interrupt with DMA

Hi, I am trying to read I2C on interrupt (HAL_GPIO_EXTI_Callback) using HAL_I2C_Mem_Read_DMA function. How ever I get into HardFault_Handler. I suspect its because HAL_I2C_Mem_Read_DMA function uses HAL_GetTick() which causes crash?Is there any way a...

JBond.1 by Senior
  • 290 Views
  • 1 replies
  • 0 kudos

Barcode Scaner in USBHID

I'm trying to use the stack usb hid to talk with a barcode scanner. When I connect the scanner it is classified as a keyboard, but does not generate the interrupt events. Does anybody know why?thanks!

0690X000008AQtbQAG.png

Use USB FS with f303re.

Hello, i want to use USB FS with f303re.last time, i used USB CDC FS with my f303ze, use function of 'CDC_Transmit_FS', so i can see text in computer with terminal program.i saw that f303re have USB FS in cubeMX, but i think f303re can't use CDC_Tran...

Jlee.8 by Associate
  • 435 Views
  • 1 replies
  • 0 kudos