![]() IAR Embedded Workbench for ARM (EWARM) toolchain V9.20.1.To use X-NUCLEO-AMICAM1 safely, read carefully hardware configuration needed.A Source localization example is also available on STWIN board. Beamforming and Source localization examples are available only on STM32F401 for X-NUCLEO-CCA02M2 and on STM32L4+ for X-NUCLEO-AMICAM1.The example is available on STM32F401 and STM32F746 for X-NUCLEO-CCA02M2. High Performance Microphones Streaming example uses the new HP_PDMFilter library and is compatible only with STEVAL-MIC006V1.STM32 Nucleo expansion boards : STM32 Nucleo expansion boards.STM32 Nucleo boards : STM32 Nucleo boards.MP23ABS1 : High performance MEMS audio sensor single ended analog bottom-port microphone.MP34DT06J : MEMS audio sensor omnidirectional digital microphone datasheet.UM2212 : Getting started with Acoustic SL real-time sound source localization middleware.UM2214 : Getting started with Acoustic BF real time beamforming library.UM1901 : Getting started with the software package for digital MEMS microphones in X-CUBE-MEMSMIC1 expansion for STM32Cube.Here is the list of references to user documents: The application provide examples of how to use the code.In this particular case, middleware implements PDM to PCM decimation filter The drivers abstract low level details of the hardware and allow the middleware layer to provide functionalities.At the bottom layer there are the HW components: the STM32 MCU and the MP34DT06J digital MEMS microphone or the MP23ABS1 analog MEMS microphone.The figure below shows the overall architecture. Examples implementation available for STEVAL-STWINKT1B and STEVAL-STWINKT1 SensorTile Wireless Industrial Node (STWIN) development kits and for the STEVAL-STWINMAV1.The STM32 Nucleo expansion board can be plugged on top of.Examples implementation available for the following STM32 Nucleo expansion board:.References to free application that can be used to record and save acquired microphones audio signals.Sample applications that the developer can use to start experimenting with the code.Easy portability across different MCU families thanks to STM32Cube. ![]() Complete middleware to build applications using ST MEMS digital and analog microphones.The package also offers an example to exploit the Performance Mode of the MP23DB01HP MEMS audio sensor multi performance mode digital microphone available on the STEVAL-MIC006V1 coupon board. X-CUBE-MEMSMIC1 also includes an example of ultrasound condition monitoring ( UltrasoundFFT) that calculates the FFT of the analog microphone signal and streams the result to a PC GUI via USB. It is built on top of STM32Cube software technology that ease portability across different STM32 microcontrollers. This software provides drivers running on STM32 for the acquisition of ST digital MEMS microphones ( MP34DT06J) and ST analog MEMS microphones ( MP23ABS1). The X-CUBE-MEMSMIC1 software package is an expansion for STM32Cube.
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