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asrc_m2m_polling

asrc_m2m_polling#

Overview#

The asrc m2m interrupt example shows how to use asrc driver with interrupt:

In this example, asrc will convert the audio data and playback the through SAI.

Supported Boards#

MIMXRT1170-EVKB
Hardware requirements

  • Mini/micro USB cable

  • MIMXRT1170-EVKB board

  • Personal Computer

  • Headphone(OMTP standard)

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Insert the headphones into the headphone jack on MIMXRT1170-EVKB board (J101).

  5. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, you can hear the tone and the log would be seen on the OpenSDA terminal like:

ASRC m2m polling example

Playback raw audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.


Playback converted audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.

ASRC m2m polling example finished
IMX952LPD5EVK-19
Hardware requirements

  • Micro USB cable

  • IMX952-EVK board

  • J-Link Debug Probe

  • 12V~20V power supply

  • Personal Computer

  • Headphone

Board settings

Plugin headphone to J9

Please note this application can’t support running with Linux BSP!
Prepare the Demo

  1. Connect 12V~20V power supply and J-Link Debug Probe to the board, switch SW4 to power on the board.

  2. Connect a micro USB cable between the host PC and the J31 USB port on the target board.

  3. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  4. Download the program to the target board.

  5. Either re-power up your board or launch the debugger in your IDE to begin running the example

Running the demo

When the demo runs successfully, you can hear the tone and the log would be seen on the OpenSDA terminal like:

ASRC m2m polling example

Playback raw audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.


Playback converted audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.

ASRC m2m polling example finished
MIMXRT1160-EVK
Hardware requirements

  • Mini/micro USB cable

  • MIMXRT1160-EVK board

  • Personal Computer

  • Headphone(OMTP standard)

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Insert the headphones into the headphone jack on MIMXRT1160-EVK board (J33).

  5. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, you can hear the tone and the log would be seen on the OpenSDA terminal like:

ASRC m2m polling example

Playback raw audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.


Playback converted audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.

ASRC m2m polling example finished
MIMXRT1180-EVK
Hardware requirements

  • Mini/micro USB cable

  • MIMXRT1180-EVK board

  • Personal Computer

  • Headphone(OMTP standard)

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Insert the headphones into the headphone jack on MIMXRT1180-EVK board (J101).

  5. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, you can hear the tone and the log would be seen on the OpenSDA terminal like:

ASRC m2m polling example

Playback raw audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.


Playback converted audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.

ASRC m2m polling example finished
FRDM-IMXRT1152
Hardware requirements

  • Type-C USB cable

  • FRDM-IMXRT1152 board

  • Personal Computer

  • Headphone(OMTP standard)

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Insert the headphones into the headphone jack on FRDM-IMXRT1152 board (J30).

  5. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, you can hear the tone and the log would be seen on the OpenSDA terminal like:

ASRC m2m polling example

Playback raw audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.


Playback converted audio data

    sample rate : xxxx

    channel number: xxxx

    frequency: xxxx.

ASRC m2m polling example finished
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