{"id":5724,"date":"2022-11-14T14:29:21","date_gmt":"2022-11-14T05:29:21","guid":{"rendered":"https:\/\/solid.kmckk.com\/SOLID\/?p=5724"},"modified":"2022-11-21T16:09:11","modified_gmt":"2022-11-21T07:09:11","slug":"solid%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%88%e3%81%86%e3%82%b7%e3%83%aa%e3%83%bc%e3%82%ba3-%e3%80%8c%e3%82%b3%e3%83%bc%e3%83%89%e3%82%ab%e3%83%90%e3%83%ac%e3%83%83%e3%82%b8%e3%80%8d-2","status":"publish","type":"post","link":"https:\/\/solid.kmckk.com\/SOLID\/archives\/5724","title":{"rendered":"SOLID for Raspberry Pi 4 (\u9023\u8f094)"},"content":{"rendered":"
\n
\n\t

(2022\/11\/16)<\/p>\n<\/div>\n<\/div><\/div>

Rust\u3067L\u30c1\u30ab<\/h3>\n
\n\t

\u3055\u3066\u3001\u3068\u3046\u3068\u3046Rust\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u524d\u56de\u307e\u3067\u3001C\u8a00\u8a9e\u3084C++\u8a00\u8a9e\u3067L\u30c1\u30ab\u3092\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n\u3053\u308c\u304cRust\u306b\u306a\u308b\u3068\u3069\u3046\u3044\u3046\u611f\u3058\u306b\u306a\u308b\u306e\u304b\u3002\u3002\u3002<\/p>\n

\u6709\u8b58\u8005\u306e\u5c0e\u304d\u306e\u4e0b\u3001\u3084\u3063\u3066\u307f\u307e\u3059\u3002
\n\uff23\/C++\u3092\u305a\u3063\u3068\u4f7f\u3063\u3066\u304d\u305f\u3068\u306f\u3044\u3048\u3001Rust\u521d\u5fc3\u8005\u306e\u7b46\u8005\u3068\u3057\u3066\u306f\u3001\u3061\u3087\u3063\u3068\u30c9\u30ad\u30c9\u30ad\u3067\u3059\u3001\u3001\u3001<\/p>\n

 <\/p>\n

 <\/p>\n<\/div>\n<\/div><\/div>

\uff11\uff0eRust\u3067L\u30c1\u30ab\u305d\u306e\uff11\u2015RAW\u306a\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n
\n\t

\u6700\u521d\u306b\u3001\u3068\u308a\u3042\u3048\u305a\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

Rust\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3057\u3001\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u30b5\u30f3\u30d7\u30eb\u4e00\u5f0f\u306f\u4ee5\u4e0bURL\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples<\/a><\/p>\n

\u3053\u308c\u304b\u3089\u4f7f\u7528\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n

https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/tree\/main\/rust-blinky-raw-rtos<\/a><\/p>\n

lib.rs\u306f\u3053\u3061\u3089\u3002<\/p>\n

https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/blob\/main\/rust-blinky-raw-rtos\/rustapp\/src\/lib.rs<\/a><\/p>\n

 <\/p>\n

Raw\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001Rust\u30b3\u30fc\u30c9\u4e0a\u3067\u76f4\u63a5GPIO\u30ec\u30b8\u30b9\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u3001\u3068\u3044\u3046\u30cb\u30e5\u30a2\u30f3\u30b9\u3067\u3059\u3002
\n\u7b46\u8005\u3082\u305d\u3046\u3067\u3059\u304c\u3001\u5f93\u6765\u306eC\/C++\u6c11\u306e\u30a4\u30e1\u30fc\u30b8\u3067\u306f\u3001Low Level\u306eLow\u3001\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u306e\u65b9\u304c\u8fd1\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u304c\u3001Rust\u6c11\u304b\u3089\u3059\u308b\u3068\u3001Raw\u3060\u305d\u3046\u3067\u3059\u3002
\n\u3053\u3093\u306a\u3068\u3053\u308d\u304b\u3089\u3001\u611f\u899a\u304c\u9055\u3046\u3093\u3060\u306a\u30fc\u3068\u601d\u3044\u3064\u3064\u3002\u3002\u3002\u6b21\u306b\u884c\u304d\u307e\u3059\u3002<\/p>\n

 <\/p>\n

\uff11\uff0e\uff11\u3000Rust\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ea\u30f3\u30af\u3059\u308b\u5143\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u3092\u4f5c\u308b<\/h4>\n

\u307e\u305a\u3001C++\u3067\u65b0\u898f\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

\uff11\uff0e \uff12\u3000Rust\u306eLibrary\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306b\u8ffd\u52a0\u3059\u308b<\/h4>\n

\u2460\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

\u2461Rust\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u9078\u629e\u3057\u3001\u300c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n

\u300c\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u300d\u306f\u3001\u4ee5\u4e0b\u306e\u8d64\u67a0\u306e\u90e8\u5206\u304b\u3089\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f5c\u6210\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

\u2462\u30e1\u30a4\u30f3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30ea\u30f3\u30ab\u8a2d\u5b9a\u3067\u3001 \u8ffd\u52a0\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30d5\u30a1\u30a4\u30eb \u306b\u30e9\u30a4\u30d6\u30e9\u30ea\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

\u2463\u30e1\u30a4\u30f3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d3\u30eb\u30c9\u4f9d\u5b58\u95a2\u4fc2\u306bRust\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

 <\/p>\n

\uff11\uff0e \uff13\u3000main.cpp\u3068lib.rs\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f<\/h4>\n

\u2460main.cpp\u3092\u7a7a\u306b\u3057\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u2461lib.rs\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n

\n
\n#[no_mangle]\npub extern \"C\" fn slo_main() {\n    unsafe { ffi::SOLID_LOG_printf(b\"Starting LED blinker\\n\\0\".as_ptr().cast()) };\n\n    \/\/ Configure the LED port\n    green_led::init();\n\n    loop {\n        \/\/ Turn on the LED\n        green_led::update(true);\n        unsafe { ffi::dly_tsk(200_000) };\n\n        \/\/ Turn off the LED\n        green_led::update(false);\n        unsafe { ffi::dly_tsk(200_000) };\n    }\n}\n\n\/\/\/ FFI declarations used in this application\n#[allow(non_camel_case_types)]\nmod ffi {\n    use std::os::raw::{c_char, c_int};\n\n    pub type int_t = c_int;\n\n    pub type RELTIM = u32;\n    pub type ER = int_t;\n\n    extern \"C\" {\n        pub fn SOLID_LOG_printf(format: *const c_char, ...);\n        pub fn dly_tsk(dlytim: RELTIM) -> ER;\n    }\n}\n\nmod green_led {\n    const GPIO_BASE: usize = 0xFE200000;\n    const GPIO_NUM: usize = 42;\n\n    pub fn init() {\n        unsafe {\n            let reg = (GPIO_BASE + (GPIO_NUM \/ 10) * 4) as *mut u32; \/\/ GPFSEL4\n            let mode = 1; \/\/ output\n            reg.write_volatile(\n                reg.read_volatile() & !(7 << (GPIO_NUM % 10 * 3)) | (mode << (GPIO_NUM % 10 * 3)),\n            );\n        }\n    }\n\n    pub fn update(new_state: bool) {\n        unsafe {\n            let reg = (GPIO_BASE\n                + (GPIO_NUM \/ 32) * 4\n                + if new_state {\n                    0x1c \/* GPSET1 *\/\n                } else {\n                    0x28 \/* GPCLR1 *\/\n                }) as *mut u32; \/\/ GPFSEL4\n            reg.write_volatile(1 << (GPIO_NUM % 32));\n        }\n    }\n}\n<\/code><\/pre>\n<\/div>\n
 <\/p>\n
\uff11\uff0e \uff13\u3000\u30d3\u30eb\u30c9\uff06\u5b9f\u884c<\/h4>\n
\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3092\u3059\u308b\u3068\u3001LED\u304c\u70b9\u6ec5\u3057\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\uff11\uff0e \uff14\u3000\u30c7\u30d0\u30c3\u30b0\u6a5f\u80fd<\/h4>\n
\u30c7\u30d0\u30c3\u30b0\u6a5f\u80fd\u304c\u666e\u901a\u306b\u52d5\u304d\u307e\u3059\u3002<\/p>\n
\u30fb\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8<\/p>\n
\"\"<\/a><\/p>\n
\u30fb\u30b9\u30c6\u30c3\u30d7\u30a4\u30f3<\/p>\n
\"\"<\/a><\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
\uff12\uff0eRust\u3067L\u30c1\u30ab\u305d\u306e\uff12\u2015PAC\u306a\u30d7\u30ed\u30b0\u30e9\u30e0<\/h3>\n
\n\t
GPIO\u30ec\u30b8\u30b9\u30bf\u306e\u64cd\u4f5c\u306bPAC(peripheral access crate)\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<\/p>\n
\u307e\u305f\u3001TOPPERS\u30ab\u30fc\u30cd\u30eb\u95a2\u6570 dly_tsk \u3092 itron \u30d1\u30c3\u30b1\u30fc\u30b8\u306e itron::task::delay \u95a2\u6570\u3092\u7d4c\u7531\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u5148\u7a0b\u4f5c\u6210\u3057\u305flib.rs\u3092\u3001\u4ee5\u4e0b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u3082\u306e\u306b\u7f6e\u304d\u63db\u3048\u3001\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/blob\/main\/rust-blinky-pac-rtos\/rustapp\/src\/lib.rs<\/a><\/p>\n
 <\/p>\n
\uff12\uff0e\uff11\u3000\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u304b\u3048\u308b<\/h4>\n
\u5148\u7a0b\u4f5c\u6210\u3057\u305flib.rs\u306e\u5185\u5bb9\u3092\u3001\u4ee5\u4e0b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\n
\nuse itron::{task::delay, time::duration};\n\n#[no_mangle]\npub extern \"C\" fn slo_main() {\n    println!(\"Starting LED blinker\");\n\n    \/\/ Configure the LED port\n    green_led::init();\n\n    loop {\n        \/\/ Turn on the LED\n        green_led::update(true);\n        delay(duration!(ms: 200)).unwrap();\n\n        \/\/ Turn off the LED\n        green_led::update(false);\n        delay(duration!(ms: 200)).unwrap();\n    }\n}\n\nmod green_led {\n    use bcm2711_pac::gpio;\n    use tock_registers::interfaces::{ReadWriteable, Writeable};\n\n    const GPIO_NUM: usize = 42;\n    \n    fn gpio_regs() -> &'static gpio::Registers {\n        \/\/ Safety: SOLID for RaPi4B provides an identity mapping in this area, and we don't alter\n        \/\/ the mapping\n        unsafe { &*(gpio::BASE.to_arm_pa().unwrap() as usize as *const gpio::Registers) }\n    }\n\n    pub fn init() {\n        \/\/ Configure the GPIO pin for output\n        gpio_regs().gpfsel[GPIO_NUM \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n            gpio::GPFSEL::pin(GPIO_NUM % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::OUTPUT),\n        );\n    }\n\n    pub fn update(new_state: bool) {\n        if new_state {\n            gpio_regs().gpset[GPIO_NUM \/ gpio::GPSET::PINS_PER_REGISTER]\n                .write(gpio::GPSET::set(GPIO_NUM % gpio::GPSET::PINS_PER_REGISTER));\n        } else {\n            gpio_regs().gpclr[GPIO_NUM \/ gpio::GPCLR::PINS_PER_REGISTER].write(gpio::GPCLR::clear(\n                GPIO_NUM % gpio::GPCLR::PINS_PER_REGISTER,\n            ));\n        }\n    }\n}\n\n<\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u6b21\u306b\u3001GitHub\u4e0a\u306b\u5b58\u5728\u3059\u308b\u3001BCM2711 SoC\u5411\u3051\u306eperipheral access crate\u3092\u3001\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
Cargo.toml \u306e[dependencies]\u306b\u6b21\u306e\u8a18\u8ff0\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
[dependencies]\ntock-registers = \"0.7.0\"
\nitron = { version = \"= 0.1.9\", features = [\"unstable\", \"nightly\", \"solid_fmp3\"] }
\nbcm2711_pac = { git = \"https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples.git\" }<\/div>\n
\u30fbCargo.toml<\/p>\n
\"\"<\/a><\/p>\n
\u8ffd\u52a0\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
 <\/p>\n
\uff12\uff0e\uff12\u3000\u30d3\u30eb\u30c9\uff06\u5b9f\u884c<\/h4>\n
\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3092\u3059\u308b\u3068\u3001LED\u304c\u70b9\u6ec5\u3057\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\uff12\uff0e\uff13\u3000\u30c7\u30d0\u30c3\u30b0\u6a5f\u80fd<\/h4>\n
\u30c7\u30d0\u30c3\u30b0\u6a5f\u80fd\u3082\u5148\u7a0b\u3068\u540c\u69d8\u3001\u666e\u901a\u306b\u52d5\u304d\u307e\u3059\u3002<\/p>\n
\u30fb\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8<\/p>\n
\"\"<\/a><\/p>\n
\u30d6\u30ec\u30fc\u30af\u3057\u305f\u3064\u3044\u3067\u306b\u3001RTOS Viewer\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\"\"<\/p>\n
\u7279\u306b\u30bf\u30b9\u30af\u306f\u4f5c\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001root_task\u304cRunning\u3067\u3059\u306d\u3002<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
\uff13\uff0e\u305d\u306e\uff11\u3068\u305d\u306e\uff12\u306e\u9055\u3044<\/h3>\n
\n\t
\u3053\u3053\u3067\u3001\u4e8c\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3046\u3061\u3001\u4ee3\u8868\u3057\u3066init()\u95a2\u6570\u3092\u898b\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u305d\u306e\uff11\uff1a<\/p>\n
\n
\n    const GPIO_BASE: usize = 0xFE200000;\n    const GPIO_NUM: usize = 42;\n\u3000\u3000\u3000\u3000\u3000\uff1a\n\u3000\u3000\u3000\u3000\u3000\uff1a\n    pub fn init() {\n        unsafe {\n            let reg = (GPIO_BASE + (GPIO_NUM \/ 10) * 4) as *mut u32; \/\/ GPFSEL4\n            let mode = 1; \/\/ output\n            reg.write_volatile(\n                reg.read_volatile() & !(7 << (GPIO_NUM % 10 * 3)) | (mode << (GPIO_NUM % 10 * 3)),\n            );\n        }\n    }\n<\/code><\/pre>\n<\/div>\n
\u305d\u306e\uff12\uff1a<\/p>\n
\n
\n   const GPIO_NUM: usize = 42;\n\u3000\u3000\u3000\u3000\u3000\uff1a\n\u3000\u3000\u3000\u3000\u3000\uff1a\n    pub fn init() {\n        \/\/ Configure the GPIO pin for output\n        gpio_regs().gpfsel[GPIO_NUM \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n            gpio::GPFSEL::pin(GPIO_NUM % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::OUTPUT),\n        );\n    }\n<\/code><\/pre>\n<\/div>\n
\u305d\u306e\uff11\u3067\u4f5c\u6210\u3057\u305finit()\u95a2\u6570\u306f\u3001\u5168\u4f53\u7684\u306bunsafe\u3067\u56f2\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
unsafe\u3068\u306f\u3001\u305d\u306e\u540d\u306e\u901a\u308a\u3001\u300c\u5b89\u5168\u3067\u306a\u3044\u300d\u90e8\u5206\u3067\u3059\u3002
\n\u3053\u308c\u3067\u56f2\u308f\u308c\u3066\u3044\u308b\u90e8\u5206\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u81ea\u5206\u81ea\u8eab\u3067\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001GPIO_BASE\u3068\u3044\u3046\u5b9a\u6570\u306e\u5b9a\u7fa9\u3092\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u3001\u6700\u60aa\u306e\u5834\u5408\u306f\u30ea\u30bb\u30c3\u30c8\u306b\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002
\n\u305d\u3046\u306a\u3089\u306a\u3044\u305f\u3081\u306b\u3001\u6b63\u3057\u3044\u5024\u3092\u5b9a\u7fa9\u3057\u3066\u306d\u3001\u81ea\u5206\u3067\u3061\u3083\u3093\u3068\u3057\u3066\u306d\u3001\u3067\u3059\u3002<\/p>\n
\u767e\u805e\u306f\u4e00\u898b\u306b\u5982\u304b\u305a\u3002
\n\u305d\u306e\uff11\u306eRaw\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3001GPIO\u306e\u30a2\u30c9\u30ec\u30b9\u30920\u756a\u5730\u3068\u5b9a\u7fa9\u3057\u3066\u3001\u30a2\u30af\u30bb\u30b9\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3066\u307f\u308b\u3001\u3068\u3044\u3046\u4e8b\u304c\u7c21\u5358\u306b\u3067\u304d\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u3053\u308c\u3092\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u3001\u3001<\/p>\n
\"\"<\/a><\/p>\n
\u30a2\u30af\u30bb\u30b9\u4f8b\u5916\u306b\u98db\u3093\u3067\u3044\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u3063\u3066\u3001C\/C\uff0b\uff0b\u3060\u3068\u3001\u305d\u306e\u611f\u899a\u306f\u3081\u3063\u3061\u3083\u666e\u901a\u3002<\/p>\n
\u4e00\u65b9\u3001\u305d\u306e\uff12\u306funsafe\u3092\u4e00\u304b\u6240\u3057\u304b\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u3002
\nGPIO\u306e\u30ec\u30b8\u30b9\u30bf\u5b9a\u7fa9\u306f\u3001PAC(peripheral access crate)\u3067\u3042\u3089\u304b\u3058\u3081\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u30a2\u30c9\u30ec\u30b9\u5b9a\u7fa9\u306e\u30df\u30b9\u304c\u8d77\u56e0\u3067\u306e\u4f8b\u5916\u767a\u751f\u306f\u3042\u308a\u307e\u305b\u3093\u3002\uff080\u304c\u4e00\u3064\u8db3\u3089\u306a\u304b\u3063\u305f\uff01\u3068\u304b\u3001\u306a\u3044\u3002\uff09<\/p>\n
\u6b63\u3057\u3044\u30a2\u30c9\u30ec\u30b9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u308b\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306f\u524d\u63d0\u3067\u3059\u3002
\n\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u3057\u3044\u304b\u7279\u306b\u610f\u8b58\u3059\u308b\u5fc5\u8981\u306a\u3044\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u306b\u3001\u4eba\u306b\u3088\u3063\u3066\u3001\u547d\u540d\u3059\u308b\u30ec\u30b8\u30b9\u30bf\u540d\u3063\u3066\u3044\u308d\u3044\u308d\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3042\u308a\u307e\u3059\u3088\u306d\u3002
\nGPIO_BASE\u3060\u3063\u305f\u308a\u3001
\nGPIO_reg\u3060\u3063\u305f\u308a\u3001
\nRegGPIO\u3060\u3063\u305f\u308a\u3002<\/p>\n
\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u5897\u3048\u308b\u305f\u3073\u306b\u3044\u308d\u3093\u306a\u30ec\u30b8\u30b9\u30bf\u540d\u304c\u547d\u540d\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3082\u306a\u3044\u3002
\n\uff08\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u5247\u3067\u3001\u300c\u30ec\u30b8\u30b9\u30bf\u540d\u306b\u306f _Reg \u3092\u3064\u3051\u308b\u3053\u3068\u300d\u3068\u3057\u3066\u3001\u5b88\u3063\u3066\u304f\u308c\u306a\u3044\u4eba\u306b\u30ad\u30fc\u30ad\u30fc\u6012\u308b\u3053\u3068\u3082\u306a\u304f\u306a\u308b\u3002\uff09<\/p>\n
\u3053\u308c\u3063\u3066\u3001\u3001\u3001\u3084\u3063\u3071\u308a\u3001\u4fbf\u5229\u3058\u3083\u306a\u3044\uff1f<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff14\uff0e\u3088\u304f\u8a00\u308f\u308c\u308b\u5b89\u5168\u6027\u3001\u3001\u3001\u3068\u306f\uff1f<\/h3>\n
\n\t
Rust\u306f\u5b89\u5168\u306a\u8a00\u8a9e\u3001\u3068\u3088\u304f\u8a00\u308f\u308c\u307e\u3059\u304c\u3001\u5177\u4f53\u7684\u306b\u4f55\u304b\u3069\u3046\u5b89\u5168\u3067\u3069\u3046\u5b09\u3057\u3044\u306e\u304b\u3001\u3092\u6709\u8b58\u8005\u306b\u30d2\u30a2\u30ea\u30f3\u30b0\u3057\u3001\u305d\u306e\u5834\u3067\u601d\u3044\u3064\u3044\u305f\u3053\u3068\u3092\u7f85\u5217\u3057\u3066\u3082\u3089\u3044\u307e\u3057\u305f\u3002<\/p>\n
\uff14\uff0e\uff11\u3000\u8a00\u8a9e\u4ed5\u69d8\u3068\u3057\u3066\u306e\u5b89\u5168\u6027<\/h3>\n
\u307e\u305a\u3001\u4e00\u3064\u76ee\u3002
\nC\u8a00\u8a9e\u3068\u306f\u9055\u3044\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u304c\u300c\u5b89\u5168\u5074\u300d\u3002<\/p>\n