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- #
- # For a description of the syntax of this configuration file,
- # see the file kconfig-language.txt in the NuttX tools repository.
- #
- config AUDIO_TONE
- bool "Audio Tone Generator using PWM"
- default n
- depends on PWM && DRIVERS_AUDIO
- ---help---
- This driver enables the Audio Tone Generator for NuttX.
- if AUDIO_TONE
- endif # AUDIO_TONE
- config AUDIO_VS1053
- bool "VS1053 codec chip"
- default n
- depends on AUDIO
- ---help---
- Select to enable support for the VS1053 Audio codec by VLSI Solutions.
- This chip provides encoding and decoding of MP3, WMA, AAC and Ogg
- Vorbis format audio. It also has a general DSP which is user
- programmable to perform special audio (or any DSP) functions.
- if AUDIO_VS1053
- config VS1053_DEVICE_COUNT
- int "Number of VS1053 devices attached"
- default 1
- ---help---
- Sets the number of VS1053 type devices available to the system.
- This is required to reserve global, static lower-half driver
- context pointers for the DREQ ISR to use for lookup when it needs
- to signal that additional data is being requested.
- config VS1053_WORKER_STACKSIZE
- int "VS1053 worker thread stack size"
- default 768
- ---help---
- Stack size to use with the VS1053 worker thread.
- if AUDIO_DRIVER_SPECIFIC_BUFFERS
- config VS1053_NUM_BUFFERS
- int "Number of Audio Pipeline Buffers to use"
- default 2
- ---help---
- Sets the number of the Audio Pipeline Buffers used to deliver audio
- data to the VS1053 driver. The minimum you should set this is
- 2 buffers, which should be adequate for most media types.
- config VS1053_BUFFER_SIZE
- int "Size of Audio Pipeline Buffers to use"
- default 8192
- ---help---
- Sets the size of the Audio Pipeline Buffers used to deliver audio
- data to the VS1053 driver. The minimum you should set this is
- 2048 bytes. The larger the buffer, the better CPU performance.
- endif # AUDIO_DRIVER_SPECIFIC_BUFFERS
- endif # AUDIO_VS1053
- config AUDIO_CS43L22
- bool "CS43L22 audio chip"
- default n
- depends on AUDIO
- ---help---
- Select to enable support for the CS43L22 Audio codec by Cirrus Logic.
- This chip is a lower level audio chip.. basically
- an exotic D-to-A. It includes no built-in support for audio CODECS
- The CS43L22 provides:
- - Low power consumption
- - High SNR
- - Stereo digital microphone input
- - Digital Dynamic Range Controller (compressor / limiter)
- - Digital sidetone mixing
- - Ground-referenced headphone driver
- - Ground-referenced line outputs
- NOTE: This driver also depends on both I2C and I2S support although
- that dependency is not explicit here.
- if AUDIO_CS43L22
- config CS43L22_INITVOLUME
- int "CS43L22 initial volume setting"
- default 250
- config CS43L22_INFLIGHT
- int "CS43L22 maximum in-flight audio buffers"
- default 2
- config CS43L22_MSG_PRIO
- int "CS43L22 message priority"
- default 1
- config CS43L22_BUFFER_SIZE
- int "CS43L22 preferred buffer size"
- default 8192
- config CS43L22_NUM_BUFFERS
- int "CS43L22 preferred number of buffers"
- default 4
- config CS43L22_WORKER_STACKSIZE
- int "CS43L22 worker thread stack size"
- default 768
- config CS43L22_REGDUMP
- bool "CS43L22 register dump"
- default n
- ---help---
- Enable logic to dump the contents of all CS43L22 registers.
- config CS43L22_CLKDEBUG
- bool "CS43L22 clock analysis"
- default n
- ---help---
- Enable logic to analyze CS43L22 clock configuation.
- endif # AUDIO_CS43L22
- config AUDIO_WM8776
- bool "WM8776 audio chip"
- default n
- depends on AUDIO
- ---help---
- Select to enable support for the WM8776 Audio codec by Wolfson
- Microelectonics.
- if AUDIO_WM8776
- config WM8776_INFLIGHT
- int "WM8776 maximum in-flight audio buffers"
- default 2
- config WM8776_MSG_PRIO
- int "WM8776 message priority"
- default 1
- config WM8776_WORKER_STACKSIZE
- int "WM8776 worker thread stack size"
- default 768
- config WM8776_SWAP_HPOUT
- bool "Swap WM8776 HP out signals"
- default n
- endif # AUDIO_WM8776
- config AUDIO_WM8904
- bool "WM8904 audio chip"
- default n
- depends on AUDIO
- ---help---
- Select to enable support for the WM8904 Audio codec by Wolfson
- Microelectonics. This chip is a lower level audio chip.. basically
- an exotic D-to-A. It includes no built-in support for audio CODECS
- The WM8904 provides:
- - Low power consumption
- - High SNR
- - Stereo digital microphone input
- - Digital Dynamic Range Controller (compressor / limiter)
- - Digital sidetone mixing
- - Ground-referenced headphone driver
- - Ground-referenced line outputs
- NOTE: This driver also depends on both I2C and I2S support although
- that dependency is not explicit here.
- if AUDIO_WM8904
- config WM8904_INITVOLUME
- int "WM8904 initial volume setting"
- default 250
- config WM8904_INFLIGHT
- int "WM8904 maximum in-flight audio buffers"
- default 2
- config WM8904_MSG_PRIO
- int "WM8904 message priority"
- default 1
- config WM8904_BUFFER_SIZE
- int "WM8904 preferred buffer size"
- default 8192
- config WM8904_NUM_BUFFERS
- int "WM8904 preferred number of buffers"
- default 4
- config WM8904_WORKER_STACKSIZE
- int "WM8904 worker thread stack size"
- default 768
- config WM8904_REGDUMP
- bool "WM8904 register dump"
- default n
- ---help---
- Enable logic to dump the contents of all WM8904 registers.
- config WM8904_CLKDEBUG
- bool "WM8904 clock analysis"
- default n
- ---help---
- Enable logic to analyze WM8904 clock configuation.
- endif # AUDIO_WM8904
- config AUDIO_NULL
- bool "NULL audio device"
- default n
- depends on AUDIO
- ---help---
- A do-nothing audio device driver to simplify testing of audio
- decoders.
- if AUDIO_NULL
- config AUDIO_NULL_MSG_PRIO
- int "Null audio device message priority"
- default 1
- config AUDIO_NULL_BUFFER_SIZE
- int "Null audio device preferred buffer size"
- default 8192
- config AUDIO_NULL_NUM_BUFFERS
- int "Null audio device preferred number of buffers"
- default 4
- config AUDIO_NULL_WORKER_STACKSIZE
- int "Null audio device worker thread stack size"
- default 768
- endif # AUDIO_NULL
- config AUDIO_I2S
- bool "Audio I2S"
- depends on AUDIO
- depends on I2S
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