# # For a description of the syntax of this configuration file, # see the file kconfig-language.txt in the NuttX tools repository. # config EXAMPLES_I2SCHAR tristate "I2S character driver test" default n depends on I2S && AUDIO && DRIVERS_AUDIO && AUDIO_I2SCHAR ---help--- Enable the I2S character driver test if EXAMPLES_I2SCHAR config EXAMPLES_I2SCHAR_DEVPATH string "I2S character device path" default "/dev/i2schar0" ---help--- The default path to the I2S character device. Default: /dev/i2schar0 config EXAMPLES_I2SCHAR_TX bool "Use I2S transmitter" default n ---help--- This should be set if the I2S device supports a transmitter. if EXAMPLES_I2SCHAR_TX config EXAMPLES_I2SCHAR_TXBUFFERS int "Number of TX buffers" default 4 ---help--- This is the default number of audio buffers to send before the TX transfers terminate. When both TX and RX transfers terminate, the task exits (and, if an NSH builtin, the i2schar command returns). This number can be changed from the NSH command line. config EXAMPLES_I2SCHAR_TXSTACKSIZE int "Transmitter thread stack size" default DEFAULT_TASK_STACKSIZE ---help--- This is the stack size to use when starting the transmitter thread. endif # EXAMPLES_I2SCHAR_TX config EXAMPLES_I2SCHAR_RX bool "Use I2S receiver" default n ---help--- This should be set if the I2S device supports a receiver. if EXAMPLES_I2SCHAR_RX config EXAMPLES_I2SCHAR_RXBUFFERS int "Number of RX buffers" default 4 ---help--- This is the default number of audio buffers to receive before the RX transfers terminate. When both TX and RX transfers terminate, the task exits (and, if an NSH builtin, the i2schar command returns). This number can be changed from the NSH command line. config EXAMPLES_I2SCHAR_RXSTACKSIZE int "Receiver thread stack size" default DEFAULT_TASK_STACKSIZE ---help--- This is the stack size to use when starting the receiver thread. endif # EXAMPLES_I2SCHAR_RX config EXAMPLES_I2SCHAR_BUFSIZE int "Audio payload size" default 256 ---help--- The size of the data payload in one audio buffer in bytes. Applies to both TX and RX audio buffers. config EXAMPLES_I2SCHAR_DEVINIT bool "Architecture-specific device initialization" default n depends on BUILD_FLAT ---help--- Define if architecture-specific I2S device initialize is available. If defined, the platform specific code must provide a function i2schar_devinit() that will be called each time that this test executes. Not available in the kernel build mode. endif