[BUG] RP2040 I2C not working #16385
Description
Description / Steps to reproduce the issue
When using I2C, either every other address appears active when using I2CTOOL or no addresses appear at all. I2C communication does not work with devices.
On which OS does this issue occur?
[OS: Linux]
What is the version of your OS?
Linux 6.14.4-arch1-2 x86_64 GNU/Linux
NuttX Version
master
Issue Architecture
[Arch: arm]
Issue Area
[Area: Drivers]
Host information
file sysinfo.h not exists
NuttX CFLAGS:
-Wstrict-prototypes
-Wno-attributes
-Wno-unknown-pragmas
-Wno-psabi
-Os
-fno-strict-aliasing
-fomit-frame-pointer
--param=min-pagesize=0
-fno-common
-Wall
-Wshadow
-Wundef
-ffunction-sections
-fdata-sections -g
-mlittle-endian
-mcpu=cortex-m0
-mthumb
-mfloat-abi=soft
-mthumb
-Wa-mthumb
-Wa-mimplicit-it=always
-isystem /home/linguini/cuinspace/pico-nuttx/nuttx/include
-D__NuttX__
-DNDEBUG
NuttX CXXFLAGS:
-Wno-attributes
-Wno-unknown-pragmas
-nostdinc++
-Wno-psabi
-fno-exceptions
-fcheck-new
-fno-rtti
-Os
-fno-strict-aliasing
-fomit-frame-pointer
--param=min-pagesize=0
-fno-common
-Wall
-Wshadow
-Wundef
-ffunction-sections
-fdata-sections -g
-mlittle-endian
-mcpu=cortex-m0
-mthumb
-mfloat-abi=soft
-mthumb
-Wa-mthumb
-Wa-mimplicit-it=always
-isystem /home/linguini/cuinspace/pico-nuttx/nuttx/include/cxx
-isystem /home/linguini/cuinspace/pico-nuttx/nuttx/include
-D__NuttX__
-DNDEBUG
NuttX LDFLAGS:
--print-memory-usage
--entry=__start
-nostdlib
--gc-sections
--cref
-Map=/home/linguini/cuinspace/pico-nuttx/nuttx/nuttx.map
NuttX configuration options:
CONFIG_HOST_LINUX=y
CONFIG_APPS_DIR=../nuttx-apps
CONFIG_BASE_DEFCONFIG=\raspberrypi-pico-w:usbnsh-dirty
CONFIG_BUILD_FLAT=y
CONFIG_OUTPUT_STRIP_PATHS=y
CONFIG_ARCH_HAVE_STDARG_H=y
CONFIG_ARCH_HAVE_SETJMP=y
CONFIG_ARCH_NONE_DEBUG_H=y
CONFIG_FORTIFY_SOURCE=0
CONFIG_NDEBUG=y
CONFIG_DEBUG_ALERT=y
CONFIG_ARCH_HAVE_STACKCHECK=y
CONFIG_STACK_USAGE_WARNING=0
CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEBUG_SYMBOLS_LEVEL=-g
CONFIG_ARCH_HAVE_CUSTOMOPT=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_LTO_NONE=y
CONFIG_DEBUG_OPT_UNUSED_SECTIONS=y
CONFIG_DEBUG_LINK_MAP=y
CONFIG_ARCH_ARM=y
CONFIG_ARCH=\arm
CONFIG_ARM_TOOLCHAIN_GNU_EABI=y
CONFIG_ARCH_CHIP_RP2040=y
CONFIG_ARCH_ARMV6M=y
CONFIG_ARCH_CORTEXM0=y
CONFIG_ARCH_FAMILY=\armv6-m
CONFIG_ARCH_CHIP=\rp2040
CONFIG_ARM_THUMB=y
CONFIG_ARM_HAVE_WFE_SEV=y
CONFIG_ARCH_HAVE_HARDFAULT_DEBUG=y
CONFIG_RP2040_DMAC=y
CONFIG_RP2040_I2C=y
CONFIG_RP2040_I2C0=y
CONFIG_RP2040_I2C_DRIVER=y
CONFIG_ARCH_TOOLCHAIN_GNU=y
CONFIG_ARCH_TOOLCHAIN_GCC=y
CONFIG_ARCH_HAVE_IRQTRIGGER=y
CONFIG_ARCH_DMA=y
CONFIG_ARCH_HAVE_IRQPRIO=y
CONFIG_ARCH_HAVE_MULTICPU=y
CONFIG_ARCH_HAVE_FORK=y
CONFIG_ARCH_HAVE_RESET=y
CONFIG_ARCH_HAVE_TESTSET=y
CONFIG_ARCH_HAVE_CUSTOM_TESTSET=y
CONFIG_ARCH_HAVE_THREAD_LOCAL=y
CONFIG_ARCH_HAVE_SYSCALL_HOOKS=y
CONFIG_ARCH_HAVE_BACKTRACE=y
CONFIG_ARCH_HAVE_CPUINFO=y
CONFIG_ARCH_CPUINFO_FREQ_KHZ=0
CONFIG_ARCH_HAVE_TCBINFO=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_STACKDUMP_MAX_LENGTH=0
CONFIG_ARCH_HAVE_RAMVECTORS=y
CONFIG_ARCH_RAMVECTORS=y
CONFIG_BOARD_LOOPSPERMSEC=10450
CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
CONFIG_ARCH_INTERRUPTSTACK=0
CONFIG_BOOT_RUNFROMFLASH=y
CONFIG_RAM_START=0x20000000
CONFIG_RAM_SIZE=270336
CONFIG_FLASH_START=0x0
CONFIG_FLASH_SIZE=0
CONFIG_ARCH_BOARD_RASPBERRYPI_PICO_W=y
CONFIG_ARCH_BOARD=\raspberrypi-pico-w
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_RP2040_FLASH_BOOT=y
CONFIG_RP2040_FLASH_CHIP=\w25q080
CONFIG_RP2040_UF2_BINARY=y
CONFIG_RP2040_I2C0_SDA_GPIO=4
CONFIG_RP2040_I2C0_SCL_GPIO=5
CONFIG_BOARD_CRASHDUMP_NONE=y
CONFIG_BOARDCTL=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_RESET_ON_ASSERT=0
CONFIG_BOARD_ASSERT_RESET_VALUE=1
CONFIG_BOARDCTL_MKRD=y
CONFIG_BOARDCTL_USBDEVCTRL=y
CONFIG_BOARD_MEMORY_RANGE=\
CONFIG_DISABLE_OS_API=y
CONFIG_DISABLE_POSIX_TIMERS=y
CONFIG_USEC_PER_TICK=10000
CONFIG_TIMER_ADJUST_USEC=0
CONFIG_START_YEAR=2021
CONFIG_START_MONTH=2
CONFIG_START_DAY=9
CONFIG_IRQ_NWORKS=8
CONFIG_IRQ_WORK_SECTION=\
CONFIG_IRQ_WORK_STACKSIZE=2048
CONFIG_INIT_ENTRY=y
CONFIG_INIT_ARGS=\
CONFIG_INIT_STACKSIZE=2048
CONFIG_INIT_PRIORITY=100
CONFIG_INIT_ENTRYPOINT=\nsh_main
CONFIG_INIT_ENTRYNAME=\nsh_main
CONFIG_RR_INTERVAL=200
CONFIG_TASK_NAME_SIZE=31
CONFIG_SCHED_WAITPID=y
CONFIG_PTHREAD_MUTEX_ROBUST=y
CONFIG_PTHREAD_MUTEX_DEFAULT_PRIO_NONE=y
CONFIG_SCHED_CPULOAD_NONE=y
CONFIG_SCHED_CPULOAD_TICKSPERSEC=100
CONFIG_SCHED_PROFILE_TICKSPERSEC=1000
CONFIG_SCHED_STACK_RECORD=0
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_FILE_STREAM=y
CONFIG_SIG_PREALLOC_ACTIONS=4
CONFIG_SIG_ALLOC_ACTIONS=1
CONFIG_SIG_PREALLOC_IRQ_ACTIONS=8
CONFIG_PREALLOC_MQ_MSGS=8
CONFIG_PREALLOC_MQ_IRQ_MSGS=8
CONFIG_MQ_MAXMSGSIZE=32
CONFIG_DEFAULT_TASK_STACKSIZE=2048
CONFIG_IDLETHREAD_STACKSIZE=1024
CONFIG_PTHREAD_STACK_MIN=256
CONFIG_PTHREAD_STACK_DEFAULT=2048
CONFIG_PID_INITIAL_COUNT=16
CONFIG_ARCH_HAVE_I2CRESET=y
CONFIG_I2C=y
CONFIG_I2C_DRIVER=y
CONFIG_ARCH_HAVE_PWM_MULTICHAN=y
CONFIG_DEV_NULL=y
CONFIG_DEV_ZERO=y
CONFIG_DEV_OPTEE_NONE=y
CONFIG_DRVR_MKRD=y
CONFIG_ARCH_HAVE_RDWR_MEM_CPU_RUN=y
CONFIG_SERIAL=y
CONFIG_SERIAL_REMOVABLE=y
CONFIG_SERIAL_NPOLLWAITERS=4
CONFIG_SERIAL_TXDMA=y
CONFIG_SERIAL_RXDMA=y
CONFIG_USBDEV=y
CONFIG_USBDEV_EPBUFFER_ALIGNMENT=0
CONFIG_USBDEV_BUSPOWERED=y
CONFIG_USBDEV_MAXPOWER=100
CONFIG_USBDEV_TRACE_INITIALIDSET=0
CONFIG_CDCACM=y
CONFIG_CDCACM_CONSOLE=y
CONFIG_CDCACM_HAVE_EPINTIN=y
CONFIG_CDCACM_EP0MAXPACKET=64
CONFIG_CDCACM_EPINTIN=1
CONFIG_CDCACM_EPINTIN_FSSIZE=64
CONFIG_CDCACM_EPBULKOUT=3
CONFIG_CDCACM_EPBULKOUT_FSSIZE=64
CONFIG_CDCACM_EPBULKIN=2
CONFIG_CDCACM_EPBULKIN_FSSIZE=64
CONFIG_CDCACM_NRDREQS=4
CONFIG_CDCACM_NWRREQS=4
CONFIG_CDCACM_BULKOUT_REQLEN=256
CONFIG_CDCACM_BULKIN_REQLEN=96
CONFIG_CDCACM_RXBUFSIZE=257
CONFIG_CDCACM_TXBUFSIZE=193
CONFIG_CDCACM_VENDORID=0x0525
CONFIG_CDCACM_PRODUCTID=0xa4a7
CONFIG_CDCACM_VENDORSTR=\NuttX
CONFIG_CDCACM_PRODUCTSTR=\CDC/ACM Serial
CONFIG_SYSLOG=y
CONFIG_SYSLOG_DEFAULT_MASK=0xff
CONFIG_SYSLOG_CRLF=y
CONFIG_SYSLOG_MAX_CHANNELS=1
CONFIG_SYSLOG_DEVPATH=/dev/ttyS1
CONFIG_SYSLOG_DEFAULT=y
CONFIG_FS_NEPOLL_DESCRIPTORS=8
CONFIG_FS_LOCK_BUCKET_SIZE=0
CONFIG_SENDFILE_BUFSIZE=512
CONFIG_FS_REFCOUNT=y
CONFIG_FS_BACKTRACE=0
CONFIG_FS_MQUEUE_VFS_PATH=/var/mqueue
CONFIG_FS_MQUEUE_NPOLLWAITERS=4
CONFIG_FS_ANONMAP=y
CONFIG_FS_PROCFS=y
CONFIG_FS_PROCFS_REGISTER=y
CONFIG_NXFONTS_PACKEDMSFIRST=y
CONFIG_MM_DEFAULT_MANAGER=y
CONFIG_MM_DEFAULT_ALIGNMENT=8
CONFIG_MM_REGIONS=1
CONFIG_MM_MAP_COUNT_MAX=1024
CONFIG_MM_BACKTRACE=-1
CONFIG_MM_FREE_DELAYCOUNT_MAX=0
CONFIG_MM_HEAP_BIGGEST_COUNT=30
CONFIG_MM_HEAP_MEMPOOL_THRESHOLD=-1
CONFIG_BINFMT_ELF_RELOCATABLE=y
CONFIG_STDIO_BUFFER_SIZE=64
CONFIG_STDIO_LINEBUFFER=y
CONFIG_NUNGET_CHARS=2
CONFIG_ARCH_LOWPUTC=y
CONFIG_LIBC_RAND_ORDER=1
CONFIG_LIBC_HOMEDIR=/
CONFIG_LIBC_TMPDIR=/tmp
CONFIG_LIBC_MAX_TMPFILE=32
CONFIG_LIBC_MAX_EXITFUNS=0
CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE=2048
CONFIG_LIBC_HOSTNAME=\
CONFIG_LIBC_OPEN_MAX=256
CONFIG_NAME_MAX=32
CONFIG_PATH_MAX=256
CONFIG_LINE_MAX=80
CONFIG_LIBC_STRERROR_ERRNUM=y
CONFIG_LIBC_STRSIGNAL=y
CONFIG_TLS_NELEM=0
CONFIG_TLS_TASK_NELEM=0
CONFIG_TLS_NCLEANUP=0
CONFIG_LIBC_GAISTRERROR_ERRNUM=y
CONFIG_LIBC_FTOK_VFS_PATH=/var/ftok
CONFIG_LIBC_MEMFD_ERROR=y
CONFIG_LIBC_TEMPBUFFER=y
CONFIG_LIBC_MAX_TEMPBUFFER=2
CONFIG_LIBC_TEMPBUFFER_MALLOC=y
CONFIG_LIBC_MUTEX_BACKTRACE=0
CONFIG_BUILTIN=y
CONFIG_STREAM_OUT_BUFFER_SIZE=64
CONFIG_STREAM_HEXDUMP_BUFFER_SIZE=128
CONFIG_STREAM_BASE64_BUFFER_SIZE=128
CONFIG_LIBC_INLINE_QUEUE=y
CONFIG_LIBM_TOOLCHAIN=y
CONFIG_BUILTIN_TOOLCHAIN=y
CONFIG_COVERAGE_NONE=y
CONFIG_COVERAGE_DEFAULT_PREFIX_STRIP=\99
CONFIG_COVERAGE_DEFAULT_PREFIX=/data
CONFIG_PROFILE_NONE=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_HELLO_PROGNAME=\hello
CONFIG_EXAMPLES_HELLO_PRIORITY=100
CONFIG_EXAMPLES_HELLO_STACKSIZE=2048
CONFIG_NSH_LIBRARY=y
CONFIG_NSH_PROMPT_STRING=\nsh>
CONFIG_NSH_PROMPT_MAX=32
CONFIG_NSH_PROMPT_ENV=\PS1
CONFIG_NSH_PROMPT_SUFFIX=>
CONFIG_NSH_READLINE=y
CONFIG_NSH_MAXARGUMENTS=7
CONFIG_NSH_NESTDEPTH=3
CONFIG_NSH_ALIAS=y
CONFIG_NSH_ALIAS_MAX_AMOUNT=1
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_DISABLE_LOMTD=y
CONFIG_NSH_DISABLE_MB=y
CONFIG_NSH_DISABLE_MH=y
CONFIG_NSH_DISABLE_MW=y
CONFIG_NSH_DISABLE_SHUTDOWN=y
CONFIG_NSH_DISABLE_TIMEDATECTL=y
CONFIG_NSH_CODECS_BUFSIZE=128
CONFIG_NSH_PROC_MOUNTPOINT=/proc
CONFIG_NSH_FILEIOSIZE=1024
CONFIG_NSH_SYSINITSCRIPT=\init.d/rc.sysinit
CONFIG_NSH_INITSCRIPT=\init.d/rcS
CONFIG_NSH_SCRIPT_REDIRECT_PATH=\
CONFIG_NSH_CONSOLE=y
CONFIG_NSH_USBCONSOLE=y
CONFIG_NSH_USBCONDEV=/dev/ttyACM0
CONFIG_USBDEV_MINOR=0
CONFIG_NSH_ARCHINIT=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_I2CTOOL_MINBUS=0
CONFIG_I2CTOOL_MAXBUS=3
CONFIG_I2CTOOL_MINADDR=0x03
CONFIG_I2CTOOL_MAXADDR=0x77
CONFIG_I2CTOOL_MAXREGADDR=0xff
CONFIG_I2CTOOL_DEFFREQ=400000
CONFIG_SYSTEM_NSH=y
CONFIG_SYSTEM_NSH_PRIORITY=100
CONFIG_SYSTEM_NSH_STACKSIZE=2048
CONFIG_SYSTEM_NSH_PROGNAME=\nsh
CONFIG_SYSTEM_READLINE=y
CONFIG_READLINE_HAVE_EXTMATCH=y
CONFIG_READLINE_ECHO=y
CONFIG_READLINE_CMD_HISTORY=y
CONFIG_READLINE_CMD_HISTORY_LINELEN=80
CONFIG_READLINE_CMD_HISTORY_LEN=16
CONFIG_TESTING_OSTEST=y
CONFIG_TESTING_OSTEST_LOOPS=1
CONFIG_TESTING_OSTEST_STACKSIZE=8192
CONFIG_TESTING_OSTEST_NBARRIER_THREADS=8
CONFIG_TESTING_OSTEST_RR_RANGE=10000
CONFIG_TESTING_OSTEST_RR_RUNS=10
CONFIG_TESTING_OSTEST_WAITRESULT=y
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_GETPRIME_PROGNAME=\getprime
CONFIG_TESTING_GETPRIME_PRIORITY=50
CONFIG_TESTING_GETPRIME_STACKSIZE=2048
CONFIG_TESTING_GETPRIME_THREAD_PRIORITY=10
Host system OS:
Linux pastabox 6.14.4-arch1-2 #1 SMP PREEMPT_DYNAMIC Tue 29 Apr 2025 09:23:13 +0000 x86_64
Host system PATH:
/home/linguini/.cargo/bin
/home/linguini/.cargo/bin
/usr/local/sbin
/usr/local/bin
/usr/bin
/opt/cuda/bin
/opt/cuda/nsight_compute
/opt/cuda/nsight_systems/bin
/usr/lib/jvm/default/bin
/usr/bin/site_perl
/usr/bin/vendor_perl
/usr/bin/core_perl
/opt/rocm/bin
/usr/lib/rustup/bin
Verification
- I have verified before submitting the report.