About baiyongchen

baiyongchen · 2014-01-22

Posted on January 22, 2014 at 10:08Hi, can someone help me solve a problem on PDM Filter Init function:PDM_Filter_Init() cannot return from it in second invoke.How can we reset the function and call it again?Thanks! .......... RCC->AHB1ENR |= RCC_...

baiyongchen · 2013-12-28

Posted on December 28, 2013 at 15:22what is the difference betwee TIM2_CH1_ETR and TIM2_ETR? I'v only found TIM2 has the TIM2_CH1_ETR, all other TIMs, such as TIM1, TIM3, TIM8, only have TIMx_ETR. I'v also found the problem that only TIM2 can be tri...

baiyongchen · 2023-04-22

hi, I found the same problem. I capture GPIO data triggered by TIM8_CH1 to buffer in DMA mode. When I locate the buffer in internal ram, all data are correct. But when I locate the buffer in SDRAM, occasional Data Corruption will occur randomly.

baiyongchen · 2014-01-23

Posted on January 23, 2014 at 10:08It is getting stuck in a loop internally.I found the solution: Add reset CRC DR ,it work well. .......... CRC->CR = CRC_CR_RESET;//Reset CRC DR RCC->AHB1ENR |= RCC_AHB1ENR_CRCEN; Filter.LP_HZ = 8000; Filter....

User statistics

User Activity

PDM Filter problem

TIMx External trigger

Re: Occasional Data Corruption in the external SDRAM in STM32F429

Re: PDM Filter problem