This adds a copy of pre generated bindings and adds the suggested way of updating those in README. Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> --- bindings/rust/libgpiod-sys/README.md | 11 + bindings/rust/libgpiod-sys/src/bindings.rs | 1173 ++++++++++++++++++++ 2 files changed, 1184 insertions(+) create mode 100644 bindings/rust/libgpiod-sys/README.md create mode 100644 bindings/rust/libgpiod-sys/src/bindings.rs diff --git a/bindings/rust/libgpiod-sys/README.md b/bindings/rust/libgpiod-sys/README.md new file mode 100644 index 000000000000..ecf75b31c41e --- /dev/null +++ b/bindings/rust/libgpiod-sys/README.md @@ -0,0 +1,11 @@ +# Generated libgpiod-sys Rust FFI bindings +Automatically generated Rust FFI bindings via + [bindgen](https://github.com/rust-lang/rust-bindgen). + +## Updating bindings +1. Clone the source from + <https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/> +2. run `cd libgpiod/bindings/rust/libgpiod-sys/` +2. run `cargo build --features generate` +3. Copy the bindings 'cp ../target/debug/build/libgpiod-sys-###/out/bindings.rs src/bindings.rs' +4. Commit changes in `src/bindings.rs` diff --git a/bindings/rust/libgpiod-sys/src/bindings.rs b/bindings/rust/libgpiod-sys/src/bindings.rs new file mode 100644 index 000000000000..fc2ffa02c3c4 --- /dev/null +++ b/bindings/rust/libgpiod-sys/src/bindings.rs @@ -0,0 +1,1173 @@ +/* automatically generated by rust-bindgen 0.59.2 */ + +pub const true_: u32 = 1; +pub const false_: u32 = 0; +pub const __bool_true_false_are_defined: u32 = 1; +pub const _STDINT_H: u32 = 1; +pub const _FEATURES_H: u32 = 1; +pub const _DEFAULT_SOURCE: u32 = 1; +pub const __GLIBC_USE_ISOC2X: u32 = 0; +pub const __USE_ISOC11: u32 = 1; +pub const __USE_ISOC99: u32 = 1; +pub const __USE_ISOC95: u32 = 1; +pub const __USE_POSIX_IMPLICITLY: u32 = 1; +pub const _POSIX_SOURCE: u32 = 1; +pub const _POSIX_C_SOURCE: u32 = 200809; +pub const __USE_POSIX: u32 = 1; +pub const __USE_POSIX2: u32 = 1; +pub const __USE_POSIX199309: u32 = 1; +pub const __USE_POSIX199506: u32 = 1; +pub const __USE_XOPEN2K: u32 = 1; +pub const __USE_XOPEN2K8: u32 = 1; +pub const _ATFILE_SOURCE: u32 = 1; +pub const __USE_MISC: u32 = 1; +pub const __USE_ATFILE: u32 = 1; +pub const __USE_FORTIFY_LEVEL: u32 = 0; +pub const __GLIBC_USE_DEPRECATED_GETS: u32 = 0; +pub const __GLIBC_USE_DEPRECATED_SCANF: u32 = 0; +pub const _STDC_PREDEF_H: u32 = 1; +pub const __STDC_IEC_559__: u32 = 1; +pub const __STDC_IEC_559_COMPLEX__: u32 = 1; +pub const __STDC_ISO_10646__: u32 = 201706; +pub const __GNU_LIBRARY__: u32 = 6; +pub const __GLIBC__: u32 = 2; +pub const __GLIBC_MINOR__: u32 = 31; +pub const _SYS_CDEFS_H: u32 = 1; +pub const __glibc_c99_flexarr_available: u32 = 1; +pub const __WORDSIZE: u32 = 64; +pub const __WORDSIZE_TIME64_COMPAT32: u32 = 1; +pub const __SYSCALL_WORDSIZE: u32 = 64; +pub const __LONG_DOUBLE_USES_FLOAT128: u32 = 0; +pub const __HAVE_GENERIC_SELECTION: u32 = 1; +pub const __GLIBC_USE_LIB_EXT2: u32 = 0; +pub const __GLIBC_USE_IEC_60559_BFP_EXT: u32 = 0; +pub const __GLIBC_USE_IEC_60559_BFP_EXT_C2X: u32 = 0; +pub const __GLIBC_USE_IEC_60559_FUNCS_EXT: u32 = 0; +pub const __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X: u32 = 0; +pub const __GLIBC_USE_IEC_60559_TYPES_EXT: u32 = 0; +pub const _BITS_TYPES_H: u32 = 1; +pub const __TIMESIZE: u32 = 64; +pub const _BITS_TYPESIZES_H: u32 = 1; +pub const __OFF_T_MATCHES_OFF64_T: u32 = 1; +pub const __INO_T_MATCHES_INO64_T: u32 = 1; +pub const __RLIM_T_MATCHES_RLIM64_T: u32 = 1; +pub const __STATFS_MATCHES_STATFS64: u32 = 1; +pub const __FD_SETSIZE: u32 = 1024; +pub const _BITS_TIME64_H: u32 = 1; +pub const _BITS_WCHAR_H: u32 = 1; +pub const _BITS_STDINT_INTN_H: u32 = 1; +pub const _BITS_STDINT_UINTN_H: u32 = 1; +pub const INT8_MIN: i32 = -128; +pub const INT16_MIN: i32 = -32768; +pub const INT32_MIN: i32 = -2147483648; +pub const INT8_MAX: u32 = 127; +pub const INT16_MAX: u32 = 32767; +pub const INT32_MAX: u32 = 2147483647; +pub const UINT8_MAX: u32 = 255; +pub const UINT16_MAX: u32 = 65535; +pub const UINT32_MAX: u32 = 4294967295; +pub const INT_LEAST8_MIN: i32 = -128; +pub const INT_LEAST16_MIN: i32 = -32768; +pub const INT_LEAST32_MIN: i32 = -2147483648; +pub const INT_LEAST8_MAX: u32 = 127; +pub const INT_LEAST16_MAX: u32 = 32767; +pub const INT_LEAST32_MAX: u32 = 2147483647; +pub const UINT_LEAST8_MAX: u32 = 255; +pub const UINT_LEAST16_MAX: u32 = 65535; +pub const UINT_LEAST32_MAX: u32 = 4294967295; +pub const INT_FAST8_MIN: i32 = -128; +pub const INT_FAST16_MIN: i64 = -9223372036854775808; +pub const INT_FAST32_MIN: i64 = -9223372036854775808; +pub const INT_FAST8_MAX: u32 = 127; +pub const INT_FAST16_MAX: u64 = 9223372036854775807; +pub const INT_FAST32_MAX: u64 = 9223372036854775807; +pub const UINT_FAST8_MAX: u32 = 255; +pub const UINT_FAST16_MAX: i32 = -1; +pub const UINT_FAST32_MAX: i32 = -1; +pub const INTPTR_MIN: i64 = -9223372036854775808; +pub const INTPTR_MAX: u64 = 9223372036854775807; +pub const UINTPTR_MAX: i32 = -1; +pub const PTRDIFF_MIN: i64 = -9223372036854775808; +pub const PTRDIFF_MAX: u64 = 9223372036854775807; +pub const SIG_ATOMIC_MIN: i32 = -2147483648; +pub const SIG_ATOMIC_MAX: u32 = 2147483647; +pub const SIZE_MAX: i32 = -1; +pub const WINT_MIN: u32 = 0; +pub const WINT_MAX: u32 = 4294967295; +pub type size_t = ::std::os::raw::c_ulong; +pub type wchar_t = ::std::os::raw::c_int; +#[repr(C)] +#[repr(align(16))] +#[derive(Debug, Copy, Clone)] +pub struct max_align_t { + pub __clang_max_align_nonce1: ::std::os::raw::c_longlong, + pub __bindgen_padding_0: u64, + pub __clang_max_align_nonce2: u128, +} +#[test] +fn bindgen_test_layout_max_align_t() { + assert_eq!( + ::std::mem::size_of::<max_align_t>(), + 32usize, + concat!("Size of: ", stringify!(max_align_t)) + ); + assert_eq!( + ::std::mem::align_of::<max_align_t>(), + 16usize, + concat!("Alignment of ", stringify!(max_align_t)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce1 as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(max_align_t), + "::", + stringify!(__clang_max_align_nonce1) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce2 as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(max_align_t), + "::", + stringify!(__clang_max_align_nonce2) + ) + ); +} +pub type __u_char = ::std::os::raw::c_uchar; +pub type __u_short = ::std::os::raw::c_ushort; +pub type __u_int = ::std::os::raw::c_uint; +pub type __u_long = ::std::os::raw::c_ulong; +pub type __int8_t = ::std::os::raw::c_schar; +pub type __uint8_t = ::std::os::raw::c_uchar; +pub type __int16_t = ::std::os::raw::c_short; +pub type __uint16_t = ::std::os::raw::c_ushort; +pub type __int32_t = ::std::os::raw::c_int; +pub type __uint32_t = ::std::os::raw::c_uint; +pub type __int64_t = ::std::os::raw::c_long; +pub type __uint64_t = ::std::os::raw::c_ulong; +pub type __int_least8_t = __int8_t; +pub type __uint_least8_t = __uint8_t; +pub type __int_least16_t = __int16_t; +pub type __uint_least16_t = __uint16_t; +pub type __int_least32_t = __int32_t; +pub type __uint_least32_t = __uint32_t; +pub type __int_least64_t = __int64_t; +pub type __uint_least64_t = __uint64_t; +pub type __quad_t = ::std::os::raw::c_long; +pub type __u_quad_t = ::std::os::raw::c_ulong; +pub type __intmax_t = ::std::os::raw::c_long; +pub type __uintmax_t = ::std::os::raw::c_ulong; +pub type __dev_t = ::std::os::raw::c_ulong; +pub type __uid_t = ::std::os::raw::c_uint; +pub type __gid_t = ::std::os::raw::c_uint; +pub type __ino_t = ::std::os::raw::c_ulong; +pub type __ino64_t = ::std::os::raw::c_ulong; +pub type __mode_t = ::std::os::raw::c_uint; +pub type __nlink_t = ::std::os::raw::c_ulong; +pub type __off_t = ::std::os::raw::c_long; +pub type __off64_t = ::std::os::raw::c_long; +pub type __pid_t = ::std::os::raw::c_int; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct __fsid_t { + pub __val: [::std::os::raw::c_int; 2usize], +} +#[test] +fn bindgen_test_layout___fsid_t() { + assert_eq!( + ::std::mem::size_of::<__fsid_t>(), + 8usize, + concat!("Size of: ", stringify!(__fsid_t)) + ); + assert_eq!( + ::std::mem::align_of::<__fsid_t>(), + 4usize, + concat!("Alignment of ", stringify!(__fsid_t)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::<__fsid_t>())).__val as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(__fsid_t), + "::", + stringify!(__val) + ) + ); +} +pub type __clock_t = ::std::os::raw::c_long; +pub type __rlim_t = ::std::os::raw::c_ulong; +pub type __rlim64_t = ::std::os::raw::c_ulong; +pub type __id_t = ::std::os::raw::c_uint; +pub type __time_t = ::std::os::raw::c_long; +pub type __useconds_t = ::std::os::raw::c_uint; +pub type __suseconds_t = ::std::os::raw::c_long; +pub type __daddr_t = ::std::os::raw::c_int; +pub type __key_t = ::std::os::raw::c_int; +pub type __clockid_t = ::std::os::raw::c_int; +pub type __timer_t = *mut ::std::os::raw::c_void; +pub type __blksize_t = ::std::os::raw::c_long; +pub type __blkcnt_t = ::std::os::raw::c_long; +pub type __blkcnt64_t = ::std::os::raw::c_long; +pub type __fsblkcnt_t = ::std::os::raw::c_ulong; +pub type __fsblkcnt64_t = ::std::os::raw::c_ulong; +pub type __fsfilcnt_t = ::std::os::raw::c_ulong; +pub type __fsfilcnt64_t = ::std::os::raw::c_ulong; +pub type __fsword_t = ::std::os::raw::c_long; +pub type __ssize_t = ::std::os::raw::c_long; +pub type __syscall_slong_t = ::std::os::raw::c_long; +pub type __syscall_ulong_t = ::std::os::raw::c_ulong; +pub type __loff_t = __off64_t; +pub type __caddr_t = *mut ::std::os::raw::c_char; +pub type __intptr_t = ::std::os::raw::c_long; +pub type __socklen_t = ::std::os::raw::c_uint; +pub type __sig_atomic_t = ::std::os::raw::c_int; +pub type int_least8_t = __int_least8_t; +pub type int_least16_t = __int_least16_t; +pub type int_least32_t = __int_least32_t; +pub type int_least64_t = __int_least64_t; +pub type uint_least8_t = __uint_least8_t; +pub type uint_least16_t = __uint_least16_t; +pub type uint_least32_t = __uint_least32_t; +pub type uint_least64_t = __uint_least64_t; +pub type int_fast8_t = ::std::os::raw::c_schar; +pub type int_fast16_t = ::std::os::raw::c_long; +pub type int_fast32_t = ::std::os::raw::c_long; +pub type int_fast64_t = ::std::os::raw::c_long; +pub type uint_fast8_t = ::std::os::raw::c_uchar; +pub type uint_fast16_t = ::std::os::raw::c_ulong; +pub type uint_fast32_t = ::std::os::raw::c_ulong; +pub type uint_fast64_t = ::std::os::raw::c_ulong; +pub type intmax_t = __intmax_t; +pub type uintmax_t = __uintmax_t; +#[doc = " @mainpage libgpiod public API"] +#[doc = ""] +#[doc = " This is the complete documentation of the public API made available to"] +#[doc = " users of libgpiod."] +#[doc = ""] +#[doc = " <p>The API is logically split into several parts such as: GPIO chip & line"] +#[doc = " operators, GPIO events handling etc."] +#[doc = ""] +#[doc = " <p>General note on error handling: all functions exported by libgpiod that"] +#[doc = " can fail, set errno to one of the error values defined in errno.h upon"] +#[doc = " failure. The way of notifying the caller that an error occurred varies"] +#[doc = " between functions, but in general a function that returns an int, returns -1"] +#[doc = " on error, while a function returning a pointer indicates an error condition"] +#[doc = " by returning a NULL pointer. It's not practical to list all possible error"] +#[doc = " codes for every function as they propagate errors from the underlying libc"] +#[doc = " functions."] +#[doc = ""] +#[doc = " <p>In general libgpiod functions are not NULL-aware and it's expected that"] +#[doc = " users pass valid pointers to objects as arguments. An exception to this rule"] +#[doc = " are the functions that free/close/release resources - which work when passed"] +#[doc = " a NULL-pointer as argument. Other exceptions are documented."] +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_chip { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_chip_info { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_line_info { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_line_settings { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_line_config { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_request_config { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_line_request { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_info_event { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_edge_event { + _unused: [u8; 0], +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct gpiod_edge_event_buffer { + _unused: [u8; 0], +} +extern "C" { + #[doc = " @brief Open a chip by path."] + #[doc = " @param path Path to the gpiochip device file."] + #[doc = " @return GPIO chip request or NULL if an error occurred."] + pub fn gpiod_chip_open(path: *const ::std::os::raw::c_char) -> *mut gpiod_chip; +} +extern "C" { + #[doc = " @brief Close the chip and release all associated resources."] + #[doc = " @param chip Chip to close."] + pub fn gpiod_chip_close(chip: *mut gpiod_chip); +} +extern "C" { + #[doc = " @brief Get information about the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @return New GPIO chip info object or NULL if an error occurred. The returned"] + #[doc = " object must be freed by the caller using ::gpiod_chip_info_free."] + pub fn gpiod_chip_get_info(chip: *mut gpiod_chip) -> *mut gpiod_chip_info; +} +extern "C" { + #[doc = " @brief Get the path used to open the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @return Path to the file passed as argument to ::gpiod_chip_open."] + pub fn gpiod_chip_get_path(chip: *mut gpiod_chip) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Get a snapshot of information about a line."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param offset The offset of the GPIO line."] + #[doc = " @return New GPIO line info object or NULL if an error occurred. The returned"] + #[doc = "\t object must be freed by the caller using ::gpiod_line_info_free."] + pub fn gpiod_chip_get_line_info( + chip: *mut gpiod_chip, + offset: ::std::os::raw::c_uint, + ) -> *mut gpiod_line_info; +} +extern "C" { + #[doc = " @brief Get a snapshot of the status of a line and start watching it for"] + #[doc = "\t future changes."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param offset The offset of the GPIO line."] + #[doc = " @return New GPIO line info object or NULL if an error occurred. The returned"] + #[doc = "\t object must be freed by the caller using ::gpiod_line_info_free."] + #[doc = " @note Line status does not include the line value. To monitor the line"] + #[doc = "\t value the line must be requested as an input with edge detection set."] + pub fn gpiod_chip_watch_line_info( + chip: *mut gpiod_chip, + offset: ::std::os::raw::c_uint, + ) -> *mut gpiod_line_info; +} +extern "C" { + #[doc = " @brief Stop watching a line for status changes."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param offset The offset of the line to stop watching."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_chip_unwatch_line_info( + chip: *mut gpiod_chip, + offset: ::std::os::raw::c_uint, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the file descriptor associated with the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @return File descriptor number for the chip."] + #[doc = "\t This function never fails."] + #[doc = "\t The returned file descriptor must not be closed by the caller."] + #[doc = "\t Call ::gpiod_chip_close to close the file descriptor."] + pub fn gpiod_chip_get_fd(chip: *mut gpiod_chip) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Wait for line status change events on any of the watched lines"] + #[doc = "\t on the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param timeout_ns Wait time limit in nanoseconds. If set to 0, the function"] + #[doc = "\t\t returns immediatelly. If set to a negative number, the"] + #[doc = "\t\t function blocks indefinitely until an event becomes"] + #[doc = "\t\t available."] + #[doc = " @return 0 if wait timed out, -1 if an error occurred, 1 if an event is"] + #[doc = "\t pending."] + pub fn gpiod_chip_wait_info_event( + chip: *mut gpiod_chip, + timeout_ns: i64, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Read a single line status change event from the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @return Newly read watch event object or NULL on error. The event must be"] + #[doc = "\t freed by the caller using ::gpiod_info_event_free."] + #[doc = " @note If no events are pending, this function will block."] + pub fn gpiod_chip_read_info_event(chip: *mut gpiod_chip) -> *mut gpiod_info_event; +} +extern "C" { + #[doc = " @brief Map a line's name to its offset within the chip."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param name Name of the GPIO line to map."] + #[doc = " @return Offset of the line within the chip or -1 on error."] + #[doc = " @note If a line with given name is not exposed by the chip, the function"] + #[doc = " sets errno to ENOENT."] + pub fn gpiod_chip_get_line_offset_from_name( + chip: *mut gpiod_chip, + name: *const ::std::os::raw::c_char, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Request a set of lines for exclusive usage."] + #[doc = " @param chip GPIO chip object."] + #[doc = " @param req_cfg Request config object. Can be NULL for default settings."] + #[doc = " @param line_cfg Line config object."] + #[doc = " @return New line request object or NULL if an error occurred. The request"] + #[doc = "\t must be released by the caller using ::gpiod_line_request_release."] + pub fn gpiod_chip_request_lines( + chip: *mut gpiod_chip, + req_cfg: *mut gpiod_request_config, + line_cfg: *mut gpiod_line_config, + ) -> *mut gpiod_line_request; +} +extern "C" { + #[doc = " @brief Free a chip info object and release all associated resources."] + #[doc = " @param info GPIO chip info object to free."] + pub fn gpiod_chip_info_free(info: *mut gpiod_chip_info); +} +extern "C" { + #[doc = " @brief Get the name of the chip as represented in the kernel."] + #[doc = " @param info GPIO chip info object."] + #[doc = " @return Pointer to a human-readable string containing the chip name."] + pub fn gpiod_chip_info_get_name(info: *mut gpiod_chip_info) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Get the label of the chip as represented in the kernel."] + #[doc = " @param info GPIO chip info object."] + #[doc = " @return Pointer to a human-readable string containing the chip label."] + pub fn gpiod_chip_info_get_label(info: *mut gpiod_chip_info) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Get the number of lines exposed by the chip."] + #[doc = " @param info GPIO chip info object."] + #[doc = " @return Number of GPIO lines."] + pub fn gpiod_chip_info_get_num_lines(info: *mut gpiod_chip_info) -> size_t; +} +pub const GPIOD_LINE_VALUE_INACTIVE: ::std::os::raw::c_uint = 0; +pub const GPIOD_LINE_VALUE_ACTIVE: ::std::os::raw::c_uint = 1; +#[doc = " @brief Logical line state."] +pub type _bindgen_ty_1 = ::std::os::raw::c_uint; +pub const GPIOD_LINE_DIRECTION_AS_IS: ::std::os::raw::c_uint = 1; +pub const GPIOD_LINE_DIRECTION_INPUT: ::std::os::raw::c_uint = 2; +pub const GPIOD_LINE_DIRECTION_OUTPUT: ::std::os::raw::c_uint = 3; +#[doc = " @brief Direction settings."] +pub type _bindgen_ty_2 = ::std::os::raw::c_uint; +pub const GPIOD_LINE_EDGE_NONE: ::std::os::raw::c_uint = 1; +pub const GPIOD_LINE_EDGE_RISING: ::std::os::raw::c_uint = 2; +pub const GPIOD_LINE_EDGE_FALLING: ::std::os::raw::c_uint = 3; +pub const GPIOD_LINE_EDGE_BOTH: ::std::os::raw::c_uint = 4; +#[doc = " @brief Edge detection settings."] +pub type _bindgen_ty_3 = ::std::os::raw::c_uint; +pub const GPIOD_LINE_BIAS_AS_IS: ::std::os::raw::c_uint = 1; +pub const GPIOD_LINE_BIAS_UNKNOWN: ::std::os::raw::c_uint = 2; +pub const GPIOD_LINE_BIAS_DISABLED: ::std::os::raw::c_uint = 3; +pub const GPIOD_LINE_BIAS_PULL_UP: ::std::os::raw::c_uint = 4; +pub const GPIOD_LINE_BIAS_PULL_DOWN: ::std::os::raw::c_uint = 5; +#[doc = " @brief Internal bias settings."] +pub type _bindgen_ty_4 = ::std::os::raw::c_uint; +pub const GPIOD_LINE_DRIVE_PUSH_PULL: ::std::os::raw::c_uint = 1; +pub const GPIOD_LINE_DRIVE_OPEN_DRAIN: ::std::os::raw::c_uint = 2; +pub const GPIOD_LINE_DRIVE_OPEN_SOURCE: ::std::os::raw::c_uint = 3; +#[doc = " @brief Drive settings."] +pub type _bindgen_ty_5 = ::std::os::raw::c_uint; +pub const GPIOD_LINE_EVENT_CLOCK_MONOTONIC: ::std::os::raw::c_uint = 1; +pub const GPIOD_LINE_EVENT_CLOCK_REALTIME: ::std::os::raw::c_uint = 2; +pub const GPIOD_LINE_EVENT_CLOCK_HTE: ::std::os::raw::c_uint = 3; +#[doc = " @brief Event clock settings."] +pub type _bindgen_ty_6 = ::std::os::raw::c_uint; +extern "C" { + #[doc = " @brief Free a line info object and release all associated resources."] + #[doc = " @param info GPIO line info object to free."] + pub fn gpiod_line_info_free(info: *mut gpiod_line_info); +} +extern "C" { + #[doc = " @brief Copy a line info object."] + #[doc = " @param info Line info to copy."] + #[doc = " @return Copy of the line info or NULL on error. The returned object must"] + #[doc = "\t be freed by the caller using :gpiod_line_info_free."] + pub fn gpiod_line_info_copy(info: *mut gpiod_line_info) -> *mut gpiod_line_info; +} +extern "C" { + #[doc = " @brief Get the offset of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Offset of the line within the parent chip."] + #[doc = ""] + #[doc = " The offset uniquely identifies the line on the chip."] + #[doc = " The combination of the chip and offset uniquely identifies the line within"] + #[doc = " the system."] + pub fn gpiod_line_info_get_offset(info: *mut gpiod_line_info) -> ::std::os::raw::c_uint; +} +extern "C" { + #[doc = " @brief Get the name of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Name of the GPIO line as it is represented in the kernel."] + #[doc = "\t This function returns a pointer to a null-terminated string"] + #[doc = "\t or NULL if the line is unnamed."] + pub fn gpiod_line_info_get_name(info: *mut gpiod_line_info) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Check if the line is in use."] + #[doc = " @param info GPIO line object."] + #[doc = " @return True if the line is in use, false otherwise."] + #[doc = ""] + #[doc = " The exact reason a line is busy cannot be determined from user space."] + #[doc = " It may have been requested by another process or hogged by the kernel."] + #[doc = " It only matters that the line is used and can't be requested until"] + #[doc = " released by the existing consumer."] + pub fn gpiod_line_info_is_used(info: *mut gpiod_line_info) -> bool; +} +extern "C" { + #[doc = " @brief Get the name of the consumer of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Name of the GPIO consumer as it is represented in the kernel."] + #[doc = "\t This function returns a pointer to a null-terminated string"] + #[doc = "\t or NULL if the consumer name is not set."] + pub fn gpiod_line_info_get_consumer( + info: *mut gpiod_line_info, + ) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Get the direction setting of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Returns ::GPIOD_LINE_DIRECTION_INPUT or"] + #[doc = "\t ::GPIOD_LINE_DIRECTION_OUTPUT."] + pub fn gpiod_line_info_get_direction(info: *mut gpiod_line_info) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the edge detection setting of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Returns ::GPIOD_LINE_EDGE_NONE, ::GPIOD_LINE_EDGE_RISING,"] + #[doc = "\t ::GPIOD_LINE_EDGE_FALLING or ::GPIOD_LINE_EDGE_BOTH."] + pub fn gpiod_line_info_get_edge_detection(info: *mut gpiod_line_info) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the bias setting of the line."] + #[doc = " @param info GPIO line object."] + #[doc = " @return Returns ::GPIOD_LINE_BIAS_PULL_UP, ::GPIOD_LINE_BIAS_PULL_DOWN,"] + #[doc = "\t ::GPIOD_LINE_BIAS_DISABLED or ::GPIOD_LINE_BIAS_UNKNOWN."] + pub fn gpiod_line_info_get_bias(info: *mut gpiod_line_info) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the drive setting of the line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Returns ::GPIOD_LINE_DRIVE_PUSH_PULL, ::GPIOD_LINE_DRIVE_OPEN_DRAIN"] + #[doc = "\t or ::GPIOD_LINE_DRIVE_OPEN_SOURCE."] + pub fn gpiod_line_info_get_drive(info: *mut gpiod_line_info) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Check if the logical value of the line is inverted compared to the"] + #[doc = "\t physical."] + #[doc = " @param info GPIO line object."] + #[doc = " @return True if the line is \"active-low\", false otherwise."] + pub fn gpiod_line_info_is_active_low(info: *mut gpiod_line_info) -> bool; +} +extern "C" { + #[doc = " @brief Check if the line is debounced (either by hardware or by the kernel"] + #[doc = "\t software debouncer)."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return True if the line is debounced, false otherwise."] + pub fn gpiod_line_info_is_debounced(info: *mut gpiod_line_info) -> bool; +} +extern "C" { + #[doc = " @brief Get the debounce period of the line, in microseconds."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Debounce period in microseconds."] + #[doc = "\t 0 if the line is not debounced."] + pub fn gpiod_line_info_get_debounce_period_us( + info: *mut gpiod_line_info, + ) -> ::std::os::raw::c_ulong; +} +extern "C" { + #[doc = " @brief Get the event clock setting used for edge event timestamps for the"] + #[doc = "\t line."] + #[doc = " @param info GPIO line info object."] + #[doc = " @return Returns ::GPIOD_LINE_EVENT_CLOCK_MONOTONIC or"] + #[doc = "\t ::GPIOD_LINE_EVENT_CLOCK_REALTIME."] + pub fn gpiod_line_info_get_event_clock(info: *mut gpiod_line_info) -> ::std::os::raw::c_int; +} +pub const GPIOD_INFO_EVENT_LINE_REQUESTED: ::std::os::raw::c_uint = 1; +pub const GPIOD_INFO_EVENT_LINE_RELEASED: ::std::os::raw::c_uint = 2; +pub const GPIOD_INFO_EVENT_LINE_CONFIG_CHANGED: ::std::os::raw::c_uint = 3; +#[doc = " @brief Line status change event types."] +pub type _bindgen_ty_7 = ::std::os::raw::c_uint; +extern "C" { + #[doc = " @brief Free the info event object and release all associated resources."] + #[doc = " @param event Info event to free."] + pub fn gpiod_info_event_free(event: *mut gpiod_info_event); +} +extern "C" { + #[doc = " @brief Get the event type of the status change event."] + #[doc = " @param event Line status watch event."] + #[doc = " @return One of ::GPIOD_INFO_EVENT_LINE_REQUESTED,"] + #[doc = "\t ::GPIOD_INFO_EVENT_LINE_RELEASED or"] + #[doc = "\t ::GPIOD_INFO_EVENT_LINE_CONFIG_CHANGED."] + pub fn gpiod_info_event_get_event_type(event: *mut gpiod_info_event) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the timestamp of the event."] + #[doc = " @param event Line status watch event."] + #[doc = " @return Timestamp in nanoseconds, read from the monotonic clock."] + pub fn gpiod_info_event_get_timestamp_ns(event: *mut gpiod_info_event) -> u64; +} +extern "C" { + #[doc = " @brief Get the snapshot of line-info associated with the event."] + #[doc = " @param event Line info event object."] + #[doc = " @return Returns a pointer to the line-info object associated with the event"] + #[doc = "\t whose lifetime is tied to the event object. It must not be freed by"] + #[doc = "\t the caller."] + pub fn gpiod_info_event_get_line_info(event: *mut gpiod_info_event) -> *mut gpiod_line_info; +} +extern "C" { + #[doc = " @brief Create a new line settings object."] + #[doc = " @return New line settings object or NULL on error."] + pub fn gpiod_line_settings_new() -> *mut gpiod_line_settings; +} +extern "C" { + #[doc = " @brief Free the line settings object and release all associated resources."] + #[doc = " @param settings Line settings object."] + pub fn gpiod_line_settings_free(settings: *mut gpiod_line_settings); +} +extern "C" { + #[doc = " @brief Reset the line settings object to its default values."] + #[doc = " @param settings Line settings object."] + pub fn gpiod_line_settings_reset(settings: *mut gpiod_line_settings); +} +extern "C" { + #[doc = " @brief Copy the line settings object."] + #[doc = " @param settings Line settings object to copy."] + #[doc = " @return New line settings object that must be freed using"] + #[doc = " ::gpiod_line_settings_free or NULL on failure."] + pub fn gpiod_line_settings_copy(settings: *mut gpiod_line_settings) + -> *mut gpiod_line_settings; +} +extern "C" { + #[doc = " @brief Set direction."] + #[doc = " @param settings Line settings object."] + #[doc = " @param direction New direction."] + #[doc = " @return 0 on success, -1 on error."] + pub fn gpiod_line_settings_set_direction( + settings: *mut gpiod_line_settings, + direction: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get direction."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current direction."] + pub fn gpiod_line_settings_get_direction( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set edge detection."] + #[doc = " @param settings Line settings object."] + #[doc = " @param edge New edge detection setting."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_settings_set_edge_detection( + settings: *mut gpiod_line_settings, + edge: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get edge detection."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current edge detection setting."] + pub fn gpiod_line_settings_get_edge_detection( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set bias."] + #[doc = " @param settings Line settings object."] + #[doc = " @param bias New bias."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_settings_set_bias( + settings: *mut gpiod_line_settings, + bias: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get bias."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current bias setting."] + pub fn gpiod_line_settings_get_bias( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set drive."] + #[doc = " @param settings Line settings object."] + #[doc = " @param drive New drive setting."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_settings_set_drive( + settings: *mut gpiod_line_settings, + drive: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get drive."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current drive setting."] + pub fn gpiod_line_settings_get_drive( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set active-low setting."] + #[doc = " @param settings Line settings object."] + #[doc = " @param active_low New active-low setting."] + pub fn gpiod_line_settings_set_active_low(settings: *mut gpiod_line_settings, active_low: bool); +} +extern "C" { + #[doc = " @brief Get active-low setting."] + #[doc = " @param settings Line settings object."] + #[doc = " @return True if active-low is enabled, false otherwise."] + pub fn gpiod_line_settings_get_active_low(settings: *mut gpiod_line_settings) -> bool; +} +extern "C" { + #[doc = " @brief Set debounce period."] + #[doc = " @param settings Line settings object."] + #[doc = " @param period New debounce period in microseconds."] + pub fn gpiod_line_settings_set_debounce_period_us( + settings: *mut gpiod_line_settings, + period: ::std::os::raw::c_ulong, + ); +} +extern "C" { + #[doc = " @brief Get debounce period."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current debounce period in microseconds."] + pub fn gpiod_line_settings_get_debounce_period_us( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_ulong; +} +extern "C" { + #[doc = " @brief Set event clock."] + #[doc = " @param settings Line settings object."] + #[doc = " @param event_clock New event clock."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_settings_set_event_clock( + settings: *mut gpiod_line_settings, + event_clock: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get event clock setting."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current event clock setting."] + pub fn gpiod_line_settings_get_event_clock( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set the output value."] + #[doc = " @param settings Line settings object."] + #[doc = " @param value New output value."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_settings_set_output_value( + settings: *mut gpiod_line_settings, + value: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the output value."] + #[doc = " @param settings Line settings object."] + #[doc = " @return Current output value."] + pub fn gpiod_line_settings_get_output_value( + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Create a new line config object."] + #[doc = " @return New line config object or NULL on error."] + pub fn gpiod_line_config_new() -> *mut gpiod_line_config; +} +extern "C" { + #[doc = " @brief Free the line config object and release all associated resources."] + #[doc = " @param config Line config object to free."] + pub fn gpiod_line_config_free(config: *mut gpiod_line_config); +} +extern "C" { + #[doc = " @brief Reset the line config object."] + #[doc = " @param config Line config object to free."] + #[doc = ""] + #[doc = " Resets the entire configuration stored in the object. This is useful if"] + #[doc = " the user wants to reuse the object without reallocating it."] + pub fn gpiod_line_config_reset(config: *mut gpiod_line_config); +} +extern "C" { + #[doc = " @brief Add line settings for a set of offsets."] + #[doc = " @param config Line config object."] + #[doc = " @param offsets Array of offsets for which to apply the settings."] + #[doc = " @param num_offsets Number of offsets stored in the offsets array."] + #[doc = " @param settings Line settings to apply."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_config_add_line_settings( + config: *mut gpiod_line_config, + offsets: *const ::std::os::raw::c_uint, + num_offsets: size_t, + settings: *mut gpiod_line_settings, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get line settings for offset."] + #[doc = " @param config Line config object."] + #[doc = " @param offset Offset for which to get line settings."] + #[doc = " @return New line settings object (must be freed by the caller) or NULL on"] + #[doc = " error."] + pub fn gpiod_line_config_get_line_settings( + config: *mut gpiod_line_config, + offset: ::std::os::raw::c_uint, + ) -> *mut gpiod_line_settings; +} +extern "C" { + #[doc = " @brief Get configured offsets."] + #[doc = " @param config Line config object."] + #[doc = " @param num_offsets Pointer to a variable in which the number of line offsets"] + #[doc = " will be stored."] + #[doc = " @param offsets Pointer to a pointer which will be set to point to an array"] + #[doc = " containing the configured offsets. The array will be allocated"] + #[doc = " using malloc() and must be freed using free()."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_config_get_offsets( + config: *mut gpiod_line_config, + num_offsets: *mut size_t, + offsets: *mut *mut ::std::os::raw::c_uint, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Create a new request config object."] + #[doc = " @return New request config object or NULL on error."] + pub fn gpiod_request_config_new() -> *mut gpiod_request_config; +} +extern "C" { + #[doc = " @brief Free the request config object and release all associated resources."] + #[doc = " @param config Line config object."] + pub fn gpiod_request_config_free(config: *mut gpiod_request_config); +} +extern "C" { + #[doc = " @brief Set the consumer name for the request."] + #[doc = " @param config Request config object."] + #[doc = " @param consumer Consumer name."] + #[doc = " @note If the consumer string is too long, it will be truncated to the max"] + #[doc = " accepted length."] + pub fn gpiod_request_config_set_consumer( + config: *mut gpiod_request_config, + consumer: *const ::std::os::raw::c_char, + ); +} +extern "C" { + #[doc = " @brief Get the consumer name configured in the request config."] + #[doc = " @param config Request config object."] + #[doc = " @return Consumer name stored in the request config."] + pub fn gpiod_request_config_get_consumer( + config: *mut gpiod_request_config, + ) -> *const ::std::os::raw::c_char; +} +extern "C" { + #[doc = " @brief Set the size of the kernel event buffer for the request."] + #[doc = " @param config Request config object."] + #[doc = " @param event_buffer_size New event buffer size."] + #[doc = " @note The kernel may adjust the value if it's too high. If set to 0, the"] + #[doc = " default value will be used."] + #[doc = " @note The kernel buffer is distinct from and independent of the user space"] + #[doc = "\t buffer (::gpiod_edge_event_buffer_new)."] + pub fn gpiod_request_config_set_event_buffer_size( + config: *mut gpiod_request_config, + event_buffer_size: size_t, + ); +} +extern "C" { + #[doc = " @brief Get the edge event buffer size for the request config."] + #[doc = " @param config Request config object."] + #[doc = " @return Edge event buffer size setting from the request config."] + pub fn gpiod_request_config_get_event_buffer_size(config: *mut gpiod_request_config) -> size_t; +} +extern "C" { + #[doc = " @brief Release the requested lines and free all associated resources."] + #[doc = " @param request Line request object to release."] + pub fn gpiod_line_request_release(request: *mut gpiod_line_request); +} +extern "C" { + #[doc = " @brief Get the number of lines in the request."] + #[doc = " @param request Line request object."] + #[doc = " @return Number of requested lines."] + pub fn gpiod_line_request_get_num_lines(request: *mut gpiod_line_request) -> size_t; +} +extern "C" { + #[doc = " @brief Get the offsets of the lines in the request."] + #[doc = " @param request Line request object."] + #[doc = " @param offsets Array to store offsets. Must be sized to hold the number of"] + #[doc = "\t\t lines returned by ::gpiod_line_request_get_num_lines."] + pub fn gpiod_line_request_get_offsets( + request: *mut gpiod_line_request, + offsets: *mut ::std::os::raw::c_uint, + ); +} +extern "C" { + #[doc = " @brief Get the value of a single requested line."] + #[doc = " @param request Line request object."] + #[doc = " @param offset The offset of the line of which the value should be read."] + #[doc = " @return Returns 1 or 0 on success and -1 on error."] + pub fn gpiod_line_request_get_value( + request: *mut gpiod_line_request, + offset: ::std::os::raw::c_uint, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the values of a subset of requested lines."] + #[doc = " @param request GPIO line request."] + #[doc = " @param num_values Number of lines for which to read values."] + #[doc = " @param offsets Array of offsets identifying the subset of requested lines"] + #[doc = "\t\t from which to read values."] + #[doc = " @param values Array in which the values will be stored. Must be sized"] + #[doc = "\t\t to hold \\p num_values entries. Each value is associated with the"] + #[doc = "\t\t line identified by the corresponding entry in \\p offsets."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_request_get_values_subset( + request: *mut gpiod_line_request, + num_values: size_t, + offsets: *const ::std::os::raw::c_uint, + values: *mut ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the values of all requested lines."] + #[doc = " @param request GPIO line request."] + #[doc = " @param values Array in which the values will be stored. Must be sized to"] + #[doc = "\t\t hold the number of lines returned by"] + #[doc = "\t\t ::gpiod_line_request_get_num_lines."] + #[doc = "\t\t Each value is associated with the line identified by the"] + #[doc = "\t\t corresponding entry in the offset array returned by"] + #[doc = "\t\t ::gpiod_line_request_get_offsets."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_request_get_values( + request: *mut gpiod_line_request, + values: *mut ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set the value of a single requested line."] + #[doc = " @param request Line request object."] + #[doc = " @param offset The offset of the line for which the value should be set."] + #[doc = " @param value Value to set."] + pub fn gpiod_line_request_set_value( + request: *mut gpiod_line_request, + offset: ::std::os::raw::c_uint, + value: ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set the values of a subset of requested lines."] + #[doc = " @param request GPIO line request."] + #[doc = " @param num_values Number of lines for which to set values."] + #[doc = " @param offsets Array of offsets, containing the number of entries specified"] + #[doc = "\t\t by \\p num_values, identifying the requested lines for"] + #[doc = "\t\t which to set values."] + #[doc = " @param values Array of values to set, containing the number of entries"] + #[doc = "\t\t specified by \\p num_values. Each value is associated with the"] + #[doc = "\t\t line identified by the corresponding entry in \\p offsets."] + #[doc = " @return 0 on success, -1 on failure."] + pub fn gpiod_line_request_set_values_subset( + request: *mut gpiod_line_request, + num_values: size_t, + offsets: *const ::std::os::raw::c_uint, + values: *const ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Set the values of all lines associated with a request."] + #[doc = " @param request GPIO line request."] + #[doc = " @param values Array containing the values to set. Must be sized to"] + #[doc = "\t\t contain the number of lines returned by"] + #[doc = "\t\t ::gpiod_line_request_get_num_lines."] + #[doc = "\t\t Each value is associated with the line identified by the"] + #[doc = "\t\t corresponding entry in the offset array returned by"] + #[doc = "\t\t ::gpiod_line_request_get_offsets."] + pub fn gpiod_line_request_set_values( + request: *mut gpiod_line_request, + values: *const ::std::os::raw::c_int, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Update the configuration of lines associated with a line request."] + #[doc = " @param request GPIO line request."] + #[doc = " @param config New line config to apply."] + #[doc = " @return 0 on success, -1 on failure."] + #[doc = " @note The new line configuration completely replaces the old."] + #[doc = " @note Any requested lines without overrides are configured to the requested"] + #[doc = "\t defaults."] + #[doc = " @note Any configured overrides for lines that have not been requested"] + #[doc = "\t are silently ignored."] + pub fn gpiod_line_request_reconfigure_lines( + request: *mut gpiod_line_request, + config: *mut gpiod_line_config, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the file descriptor associated with a line request."] + #[doc = " @param request GPIO line request."] + #[doc = " @return The file descriptor associated with the request."] + #[doc = "\t This function never fails."] + #[doc = "\t The returned file descriptor must not be closed by the caller."] + #[doc = "\t Call ::gpiod_line_request_release to close the file."] + pub fn gpiod_line_request_get_fd(request: *mut gpiod_line_request) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Wait for edge events on any of the requested lines."] + #[doc = " @param request GPIO line request."] + #[doc = " @param timeout_ns Wait time limit in nanoseconds. If set to 0, the function"] + #[doc = "\t\t returns immediatelly. If set to a negative number, the"] + #[doc = "\t\t function blocks indefinitely until an event becomes"] + #[doc = "\t\t available."] + #[doc = " @return 0 if wait timed out, -1 if an error occurred, 1 if an event is"] + #[doc = "\t pending."] + #[doc = "q"] + #[doc = " Lines must have edge detection set for edge events to be emitted."] + #[doc = " By default edge detection is disabled."] + pub fn gpiod_line_request_wait_edge_event( + request: *mut gpiod_line_request, + timeout_ns: i64, + ) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Read a number of edge events from a line request."] + #[doc = " @param request GPIO line request."] + #[doc = " @param buffer Edge event buffer, sized to hold at least \\p max_events."] + #[doc = " @param max_events Maximum number of events to read."] + #[doc = " @return On success returns the number of events read from the file"] + #[doc = "\t descriptor, on failure return -1."] + #[doc = " @note This function will block if no event was queued for the line request."] + #[doc = " @note Any exising events in the buffer are overwritten. This is not an"] + #[doc = " append operation."] + pub fn gpiod_line_request_read_edge_event( + request: *mut gpiod_line_request, + buffer: *mut gpiod_edge_event_buffer, + max_events: size_t, + ) -> ::std::os::raw::c_int; +} +pub const GPIOD_EDGE_EVENT_RISING_EDGE: ::std::os::raw::c_uint = 1; +pub const GPIOD_EDGE_EVENT_FALLING_EDGE: ::std::os::raw::c_uint = 2; +#[doc = " @brief Event types."] +pub type _bindgen_ty_8 = ::std::os::raw::c_uint; +extern "C" { + #[doc = " @brief Free the edge event object."] + #[doc = " @param event Edge event object to free."] + pub fn gpiod_edge_event_free(event: *mut gpiod_edge_event); +} +extern "C" { + #[doc = " @brief Copy the edge event object."] + #[doc = " @param event Edge event to copy."] + #[doc = " @return Copy of the edge event or NULL on error. The returned object must"] + #[doc = "\t be freed by the caller using ::gpiod_edge_event_free."] + pub fn gpiod_edge_event_copy(event: *mut gpiod_edge_event) -> *mut gpiod_edge_event; +} +extern "C" { + #[doc = " @brief Get the event type."] + #[doc = " @param event GPIO edge event."] + #[doc = " @return The event type (::GPIOD_EDGE_EVENT_RISING_EDGE or"] + #[doc = "\t ::GPIOD_EDGE_EVENT_FALLING_EDGE)."] + pub fn gpiod_edge_event_get_event_type(event: *mut gpiod_edge_event) -> ::std::os::raw::c_int; +} +extern "C" { + #[doc = " @brief Get the timestamp of the event."] + #[doc = " @param event GPIO edge event."] + #[doc = " @return Timestamp in nanoseconds."] + #[doc = " @note The source clock for the timestamp depends on the event_clock"] + #[doc = "\t setting for the line."] + pub fn gpiod_edge_event_get_timestamp_ns(event: *mut gpiod_edge_event) -> u64; +} +extern "C" { + #[doc = " @brief Get the offset of the line which triggered the event."] + #[doc = " @param event GPIO edge event."] + #[doc = " @return Line offset."] + pub fn gpiod_edge_event_get_line_offset(event: *mut gpiod_edge_event) + -> ::std::os::raw::c_uint; +} +extern "C" { + #[doc = " @brief Get the global sequence number of the event."] + #[doc = " @param event GPIO edge event."] + #[doc = " @return Sequence number of the event in the series of events for all lines"] + #[doc = "\t in the associated line request."] + pub fn gpiod_edge_event_get_global_seqno( + event: *mut gpiod_edge_event, + ) -> ::std::os::raw::c_ulong; +} +extern "C" { + #[doc = " @brief Get the event sequence number specific to the line."] + #[doc = " @param event GPIO edge event."] + #[doc = " @return Sequence number of the event in the series of events only for this"] + #[doc = "\t line within the lifetime of the associated line request."] + pub fn gpiod_edge_event_get_line_seqno(event: *mut gpiod_edge_event) + -> ::std::os::raw::c_ulong; +} +extern "C" { + #[doc = " @brief Create a new edge event buffer."] + #[doc = " @param capacity Number of events the buffer can store (min = 1, max = 1024)."] + #[doc = " @return New edge event buffer or NULL on error."] + #[doc = " @note If capacity equals 0, it will be set to a default value of 64. If"] + #[doc = "\t capacity is larger than 1024, it will be limited to 1024."] + #[doc = " @note The user space buffer is independent of the kernel buffer"] + #[doc = "\t (::gpiod_request_config_set_event_buffer_size). As the user space"] + #[doc = "\t buffer is filled from the kernel buffer, there is no benefit making"] + #[doc = "\t the user space buffer larger than the kernel buffer."] + #[doc = "\t The default kernel buffer size for each request is 16*num_lines."] + pub fn gpiod_edge_event_buffer_new(capacity: size_t) -> *mut gpiod_edge_event_buffer; +} +extern "C" { + #[doc = " @brief Get the capacity (the max number of events that can be stored) of"] + #[doc = "\t the event buffer."] + #[doc = " @param buffer Edge event buffer."] + #[doc = " @return The capacity of the buffer."] + pub fn gpiod_edge_event_buffer_get_capacity(buffer: *mut gpiod_edge_event_buffer) -> size_t; +} +extern "C" { + #[doc = " @brief Free the edge event buffer and release all associated resources."] + #[doc = " @param buffer Edge event buffer to free."] + pub fn gpiod_edge_event_buffer_free(buffer: *mut gpiod_edge_event_buffer); +} +extern "C" { + #[doc = " @brief Get an event stored in the buffer."] + #[doc = " @param buffer Edge event buffer."] + #[doc = " @param index Index of the event in the buffer."] + #[doc = " @return Pointer to an event stored in the buffer. The lifetime of the"] + #[doc = "\t event is tied to the buffer object. Users must not free the event"] + #[doc = "\t returned by this function."] + pub fn gpiod_edge_event_buffer_get_event( + buffer: *mut gpiod_edge_event_buffer, + index: ::std::os::raw::c_ulong, + ) -> *mut gpiod_edge_event; +} +extern "C" { + #[doc = " @brief Get the number of events a buffer has stored."] + #[doc = " @param buffer Edge event buffer."] + #[doc = " @return Number of events stored in the buffer."] + pub fn gpiod_edge_event_buffer_get_num_events(buffer: *mut gpiod_edge_event_buffer) -> size_t; +} +extern "C" { + #[doc = " @brief Check if the file pointed to by path is a GPIO chip character device."] + #[doc = " @param path Path to check."] + #[doc = " @return True if the file exists and is either a GPIO chip character device"] + #[doc = "\t or a symbolic link to one."] + pub fn gpiod_is_gpiochip_device(path: *const ::std::os::raw::c_char) -> bool; +} +extern "C" { + #[doc = " @brief Get the API version of the library as a human-readable string."] + #[doc = " @return Human-readable string containing the library version."] + pub fn gpiod_version_string() -> *const ::std::os::raw::c_char; +} -- 2.31.1.272.g89b43f80a514
[libgpiod][PATCH V9 2/8] bindings: rust: Add pre generated bindings for libgpiod-sys
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- Subject: [libgpiod][PATCH V9 2/8] bindings: rust: Add pre generated bindings for libgpiod-sys
- From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
- Date: Mon, 7 Nov 2022 15:27:28 +0530
- In-reply-to: <cover.1667815011.git.viresh.kumar@linaro.org>
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- From: Viresh Kumar
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