STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

how can I send data through I2S to cs43l22 chip in stm32f4 discovery to play a .wav audio file stored in sdcard ?

I am using :STM32CubeMXKeil mdk V5what is configured and working correctly :SDCard Fatfs using spi protocolI2c to control cs43l22.PD4 RESET of audio coded cs43l22.what is needed :the right configuration of I2s and DMA and how to send PCM data from SD...

QSPI examples missing in STM32F769I-DISCO

Posted on October 20, 2017 at 10:26Hi,In repository (STM32Cube_FW_F7_V1.8.0) for a board STM32F769I-DISCO, there aren't any examples for a QSPI, a contrary to STM32F769I-EVAL board that the example is present.I copied the example, I changed the GPIO...

STM32 USART half-duplex mode. External, internal resistor.

Hello! I have a problem with half-duplex in USART. I connected two boards in this mode. Gpio mode is open drain in each boards. In the first case I use internal pullup resistor. The transmission doesn't work.In the second case I use external pullup r...

pferd by Associate III
  • 906 Views
  • 5 replies
  • 0 kudos

When i configure a timer in inverting mode i.e. PWM Generation CH1CH1N than how can i configure the complementary PWM.

I want to generate a pwm in complementary mode such that it has following specs:-1.Non inverted pwm has to vary from 0 to 90% cycle2.Inverted pwm reamins in 7% duty cycle3.Inverted pwm and non inverted pwm does not match at any instant4.Both wave doe...

Resolved! Timer interrupt does not wake up the processor

Hello, I am using timer 6 and generating interrupts for every 1s.it works fine when i dont enable the sleep on exit feature. but if i enable sleep on exit feature, after the first timer interrupt , processor goes to sleep and the next timer interrupt...

RN by Senior
  • 959 Views
  • 3 replies
  • 0 kudos

Need Advice About STM32 LIN

Posted on July 16, 2018 at 08:00Hi I want to design CAN-LIN converter. I chose the STM32F091CC microcontroller for its LIN support. Up to this time I coded the CAN communication in the microcontroller.I have basic information about LIN. I want to in...

STM32 GPIO mode and pull

Hi,How to setup gpio pull? If I have INPUT, should I setup to PULLUP or NOPULL or PULLDOWN?How about OUTPUT?Thx GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLUP;

Why can't I get an Early Warning Interrupt from the WWDG?

I am trying to use the WWDG EWI on the STM32F051. I can force the WWDG reset, but never seem to get the Early Warning Interrupt. I am setting EWIMode to WWDG_EWI_ENABLE when calling HAL_WWDG_Init(). I am trying to verify the interrupt by stopping the...

JKott by Associate
  • 466 Views
  • 1 replies
  • 0 kudos

Resolved! CubeMX doesn't generated stm32l4xx_ll_tim.h file

Posted on July 09, 2018 at 19:25Hi,I can't find stm32l4xx_ll_tim.h file from CubeMX generated code. The only place I can find this file is a zipped file download from ST.com. I am guessing this is a Cube issue, right?STM32Cube_FW_L4_V1.11.0Thx