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commit de8db15fad3e21b78e439415e6be9a0c514cfbc2 Author: Matteo Golin <[email protected]> AuthorDate: Wed Jul 8 20:19:27 2026 -0400 boards/raspberrypi-4b: Add a configuration with PWM audio This configuration has PWM audio output over the audio jack and built-in examples to play with it. Signed-off-by: Matteo Golin <[email protected]> --- .../raspberrypi-4b/configs/audio_tone/defconfig | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/boards/arm64/bcm2711/raspberrypi-4b/configs/audio_tone/defconfig b/boards/arm64/bcm2711/raspberrypi-4b/configs/audio_tone/defconfig new file mode 100644 index 00000000000..1f82eaea76c --- /dev/null +++ b/boards/arm64/bcm2711/raspberrypi-4b/configs/audio_tone/defconfig @@ -0,0 +1,65 @@ +# +# This file is autogenerated: PLEASE DO NOT EDIT IT. +# +# You can use "make menuconfig" to make any modifications to the installed .config file. +# You can then do "make savedefconfig" to generate a new defconfig file that includes your +# modifications. +# +# CONFIG_NDEBUG is not set +CONFIG_ARCH="arm64" +CONFIG_ARCH_ARM64=y +CONFIG_ARCH_BOARD="raspberrypi-4b" +CONFIG_ARCH_BOARD_RASPBERRYPI_4B=y +CONFIG_ARCH_CHIP="bcm2711" +CONFIG_ARCH_CHIP_BCM2711=y +CONFIG_ARCH_EARLY_PRINT=y +CONFIG_ARCH_INTERRUPTSTACK=4096 +CONFIG_ARCH_IRQPRIO=y +CONFIG_AUDIO=y +CONFIG_AUDIO_TONE=y +CONFIG_BCM2711_PWM0=y +CONFIG_BCM2711_PWM1=y +CONFIG_BCM2711_PWM=y +CONFIG_BOARD_LOOPSPERMSEC=132954 +CONFIG_BUILTIN=y +CONFIG_DEBUG_FEATURES=y +CONFIG_DEBUG_FULLOPT=y +CONFIG_DEBUG_SYMBOLS=y +CONFIG_DEFAULT_TASK_STACKSIZE=8192 +CONFIG_DRIVERS_AUDIO=y +CONFIG_EXAMPLES_PWM=y +CONFIG_EXAMPLES_PWM_DEVPATH="/dev/pwm1" +CONFIG_EXPERIMENTAL=y +CONFIG_FS_PROCFS=y +CONFIG_FS_ROMFS=y +CONFIG_HAVE_CXX=y +CONFIG_HAVE_CXXINITIALIZE=y +CONFIG_IDLETHREAD_STACKSIZE=8192 +CONFIG_INIT_ENTRYPOINT="nsh_main" +CONFIG_INTELHEX_BINARY=y +CONFIG_NSH_BUILTIN_APPS=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_READLINE=y +CONFIG_PREALLOC_TIMERS=4 +CONFIG_PTHREAD_STACK_MIN=8192 +CONFIG_PWM_NCHANNELS=2 +CONFIG_RAMLOG=y +CONFIG_RAM_SIZE=4227858432 +CONFIG_RAM_START=0x00000000 +CONFIG_RAW_BINARY=y +CONFIG_READLINE_CMD_HISTORY=y +CONFIG_RPI4B_AUDIOJACK=y +CONFIG_RR_INTERVAL=200 +CONFIG_SCHED_HPWORK=y +CONFIG_SCHED_HPWORKPRIORITY=192 +CONFIG_SPINLOCK=y +CONFIG_STACK_COLORATION=y +CONFIG_START_MONTH=11 +CONFIG_START_YEAR=2022 +CONFIG_SYMTAB_ORDEREDBYNAME=y +CONFIG_SYSTEM_NSH=y +CONFIG_SYSTEM_SYSTEM=y +CONFIG_TESTING_GETPRIME=y +CONFIG_TESTING_OSTEST=y +CONFIG_USEC_PER_TICK=1000 +CONFIG_USERLED=y
