2018-11-09 06:46 PM
HI since fews days, i'm trying to get data from my microphone connected in stereo mode on my evaluation card B-L475E-IOT01A and give them to the DAC. According to the datasheet PE7 is DFSDM1_DATIN2 and PE9 DFSDM1_CLKOUT
so i activated channel 1 on channel 2 in PDM/SPI mode in order to get the PDM values of the microphone.
Unfortunalty the CKABF flag = 0xFF witch mean that i have no clock. Therefore i don't get any good value on my buffer. indeed there are no data wich enter on the channels.
i choose the SAI 1 (audio clock) as clock source and i tried with system clock but the result is the same
Hope that someone can help me =)
the code in copy