Posted on January 25, 2018 at 12:52When the Sensor tile is hooked to Expansion board, the FP ALL MEMS firmware and the custom firmware is able to stream the audio data to STBlue MS app. However the above said firmware would stream noisy data when th...

Posted on December 21, 2017 at 17:01What is Mic level in sensor tile represent ? The audio noise in db in particular as per this formula DBNOISE_Value_Ch[NumberMic] = (uint16_t)((120.0f - 20 * log10f(32768 * (1 + 0.25f * (AUDIO_VOLUME_VALUE /*AudioI...

Posted on November 03, 2017 at 13:26We have STM32F405RGT SPI-3 configured as a slave to receive the data from the master using HAL drivers. The DMA is configured to receive 128 bytes of data from the master in Normal mode and the NSS is managed by t...