About KK Y.1

KK Y.1 · 2021-10-30

Hi, xSemaphoreTake is not working properly(getting held at taskENTER_CRITICAL) after existing sleep mode. Before entering sleep mode using HAL_PWR_EnterSLEEPMode the value of portNVIC_INT_CTRL_REG is 4194304. After exiting from sleep mode using an ex...

KK Y.1 · 2021-10-29

Hi, I have an application where I am using NUCLEO F401RE interfaced with Nucleo-CCA02M2 and a sensor. I am running two tasks one is reading data from sensor via I2C and other reading audio from I2S via DMA. THe sensor uses an interrupt line which w...

KK Y.1 · 2021-08-06

Hi, I have a requirement for upgrading firmware in STM32F401RE using USB DFU in android platform. Is there any tool (similar to stm32 cube programmer)or any other method available for doing the same

KK Y.1 · 2021-07-23

Hi I am planning to use X-Nucleo-cca02m2 board with nucleo-f401re for audio streaming. I found the en.x-cube-memsmic1_v5.5.0 example code where the bit resolution is found to be 16 bit for USB audio streaming. But my requirment is 24 bit resolution. ...

KK Y.1 · 2021-07-22

Hi, I am using X-NUCLEO-CCA02M2 microphone board with nucleo-f401RE for USB audio streaming. Can anyone share the details about interfacing pin connection(which I2S pin is used)?. My understanding is like timer is used to connect pdm clock with I2S...

KK Y.1 · 2021-12-28

Hi Eleon BORLINI, I am streaming USB audio and at the same time one of my task is reading sensor data via I2C at the rate of 400 HZ. when audio streaming is started the task is becoming slow and I am losing few sensor data. Is it possible to incre...

KK Y.1 · 2021-10-12

Hi Eleon BORLINI, Thanks for your reply. I have tried the same thing before and its working.

KK Y.1 · 2021-08-10

Hi , Can anyone comment on this query as I am in immediate need of a tool.

KK Y.1 · 2021-07-19

Hi, Thanks for your reply.

KK Y.1 · 2021-07-16

Hi,Thanks for your reply . Based on dm00380469-interfacing-pdm-digital-microphones-using-stm32-mcus-and-mpus-stmicroelectronics.pdf we have understanding of getting PDM samples in stm32f40re through I2S. So can we obtain the 24 bit 48khz PCM data by ...

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xSemaphoreTake not working properly

Issue while running audio streaming and reading sensor data together

Tool for firmware upgrade using USB DFU in android

stream 24 bit resolution, 48KHz , stereo channel audio data from X-Nucleo-cca02m2

X-NUCLEO-CCA02M2 interface with nucleo-f401RE

Re: stream 24 bit resolution, 48KHz , stereo channel audio data from X-Nucleo-cca02m2

Re: stream 24 bit resolution, 48KHz , stereo channel audio data from X-Nucleo-cca02m2

Re: Tool for firmware upgrade using USB DFU in android

Re: required I2S clock frequency

Re: required I2S clock frequency