{"id":6288,"date":"2023-03-20T16:55:27","date_gmt":"2023-03-20T07:55:27","guid":{"rendered":"https:\/\/solid.kmckk.com\/SOLID\/?p=6288"},"modified":"2023-03-23T11:38:42","modified_gmt":"2023-03-23T02:38:42","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-2-5-2-2-2-12","status":"publish","type":"post","link":"https:\/\/solid.kmckk.com\/SOLID\/archives\/6288","title":{"rendered":"SOLID for Raspberry Pi 4 (\u9023\u8f0920)"},"content":{"rendered":"
\n
\n\t

(2023\/3\/20)<\/p>\n<\/div>\n<\/div><\/div>

\uff12\uff10\uff0eRust, SOLID-OS\u3067\u5272\u308a\u8fbc\u307f\u51e6\u7406[\u5b9f\u88c5\u7de8]<\/h3>\n
\n\t

\u524d\u56de\u3001SOLID-OS\u4e0a\u3067\u5272\u308a\u8fbc\u307f\u51e6\u7406\u3092Rust\u3067\u66f8\u304f\u305f\u3081\u306b\u5fc5\u8981\u306a\u3053\u3068\u3001\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u7d50\u679c\u3092\u3082\u3068\u306b\u3001\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\u4e00\u70b9\u3001\u8a02\u6b63\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u524d\u56de\u3001
\n\u300c\u4eca\u56de\u767a\u751f\u3055\u305b\u305f\u3044\u5272\u308a\u8fbc\u307f\u306f\u3001SPI\u53d7\u4fe1\u30fb\u9001\u4fe1\u6642\u306e\u5272\u308a\u8fbc\u307f\u3067\u3059\u3002\u300d
\n\u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u6b63\u3057\u304f\u306fBCM2711\u306eSPI\u3067\u306f\u4ee5\u4e0b\uff12\u3064\u306e\u5272\u308a\u8fbc\u307f\u304c\u3042\u308a\u307e\u3059\u3002
\n\u30fb\u8ee2\u9001\u304c\u5b8c\u4e86\u3057\u305f\u3053\u3068\u3092\u793a\u3059DONE\u30d3\u30c3\u30c8\u306b\u9023\u52d5\u3057\u305f\u5272\u308a\u8fbc\u307f
\n\u30fb\u53d7\u4fe1FIFO\u306b\u30c7\u30fc\u30bf\u304c3\/4\u4ee5\u4e0a\u305f\u307e\u3063\u3066\u304d\u305f\u3053\u3068\u3092\u793a\u3059\u5272\u308a\u8fbc\u307f<\/p>\n

\u4eca\u56de\u305f\u304f\u3055\u3093\u306e\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u300c\u8ee2\u9001\u5b8c\u4e86\u3092\u793a\u3059\u5272\u308a\u8fbc\u307f\u300d\u306e\u307f\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div><\/div>

\uff11\uff0e\u6e96\u5099<\/h3>\n
\n\t

\u73fe\u72b6\u3001spi_adxl345\u30af\u30ec\u30fc\u30c8\u306b\u3001\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u3059\u3079\u3066\u5165\u308c\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u3001SPI\u9001\u53d7\u4fe1\u65b9\u6cd5\u3068\u3057\u3066\u5272\u308a\u8fbc\u307f\u3092\u7528\u3044\u305f\u65b9\u6cd5\u306b\u5909\u66f4\u3059\u308b\u305f\u3081\u3001spi_adxl345\u30af\u30ec\u30fc\u30c8\u306e\u4e2d\u8eab\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u7b46\u8005\u3060\u3051\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u30af\u30ec\u30fc\u30c8\u306f\u300c\u9589\u3058\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u3068\u3044\u3046\u610f\u8b58\u304c\u3042\u3063\u3066
\n\u30af\u30ec\u30fc\u30c8\u306e\u307e\u307e\u3044\u308d\u3044\u308d\u5909\u66f4\u3059\u308b\u306e\u306f\u3001\u3061\u3087\u3063\u3068\u3057\u3063\u304f\u308a\u304d\u307e\u305b\u3093\u3002
\n\u306a\u306e\u3067\u3001\u4e00\u65e6\u3001spi_adxl345\u30af\u30ec\u30fc\u30c8\u306e\u4e2d\u3092\u3001main\u95a2\u6570\u306e\u3042\u308blib.rs\u306b\u6301\u3063\u3066\u304f\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n

\u6301\u3063\u3066\u304f\u308b\u3001\u3068\u3044\u3063\u3066\u3082\u3001\u5927\u305d\u308c\u305f\u3053\u3068\u3092\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

 <\/p>\n

\u2460Cargo.toml\u306e[dependencies]\u304b\u3089\u3001spi_adxl345\u30af\u30ec\u30fc\u30c8\u53c2\u7167\u90e8\u5206\u3092\u524a\u9664\u3059\u308b\u3002<\/p>\n

\n
[dependencies]\ntock-registers = \"0.7.0\"\nitron = { version = \"= 0.1.9\", features = [\"unstable\", \"nightly\", \"solid_fmp3\"] }\nbcm2711_pac.path = \"..\/..\/bcm2711_pac\"\n#bcm2711_pac = { git = \"https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples.git\" } \n#spi_adxl345.path = \"..\/..\/spi_adxl345\"\nenv_logger = { version = \"0.9\", default-features = false }\nlog = \"0.4\"\n<\/code><\/pre>\n<\/div>\n
#spi_adxl345.path = \"..\/..\/spi_adxl345\"
\n<\/code>\u306e\u90e8\u5206\u3067\u3059\u3002\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u307e\u3059\u3002<\/p>\n
\u2461spi_adxl345\u30af\u30ec\u30fc\u30c8\u306elib.rs\u5185\u5bb9\u3092\u3059\u3079\u3066main\u95a2\u6570\u306e\u3042\u308blib.rs\u306b\u30b3\u30d4\u30fc\u3057\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3059\u308b\u3002
\n\u30e2\u30b8\u30e5\u30fc\u30eb\u540d\u306fmod spi_adxl345\u3002
\n\u30d5\u30a1\u30a4\u30eb\u6700\u5f8c\u306b\u307a\u305f\u30fc\u3063\u3068\u8cbc\u308a\u4ed8\u3051\u308c\u3070OK\u3002<\/p>\n
\u3053\u3053\u3067\u4e00\u5ea6\u30d3\u30eb\u30c9\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u7279\u306b\u4eca\u307e\u3067\u3068\u76f8\u9055\u306a\u304f\u52d5\u304d\u307e\u3057\u305f\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
\uff12\uff0e\u5272\u308a\u8fbc\u307f\u306e\u767b\u9332<\/h3>\n
\n\t
\u6b21\u306b\u3001\u767b\u9332\u3057\u305f\u5272\u308a\u8fbc\u307f\u3092\u8a31\u53ef\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u524d\u56de\u306fRust\u3067\u8a18\u8ff0\u3055\u308c\u305f\u30bf\u30a4\u30de\u30b5\u30f3\u30d7\u30eb\u3092\u53c2\u8003\u306b\u3057\u3066\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002
\nhttps:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/blob\/main\/rust-blinky-pac-cs\/rustapp\/src\/lib.rs<\/a><\/p>\n
\u3053\u3053\u3067\u3001\u5927\u5909\u6709\u76ca\u306a\u60c5\u5831\u304c\uff01<\/p>\n
interrupt\u3092\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u304c\u3042\u308a\u307e\u3057\u305f\uff01
\nhttps:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/blob\/main\/rust-blinky-pac-ap804\/rustapp\/src\/lib.rs<\/a><\/p>\n
\u3053\u3061\u3089\u3092\u53c2\u8003\u306b\u3057\u306a\u304c\u3089\u3001\u5b9f\u88c5\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
 <\/p>\n
2.1 solid\u30af\u30ec\u30fc\u30c8\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3000\u2015\u3000\u4f9d\u5b58\u95a2\u4fc2\u306e\u8a2d\u5b9a<\/h3>\n
SOLID-OS\u306eAPI\u3092\u30b3\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u3001solid\u30af\u30ec\u30fc\u30c8\u3092\u4f9d\u5b58\u95a2\u4fc2\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n
\u64cd\u4f5c\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306eURL\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002
\nhttps:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples\/tree\/main\/common\/solid<\/a><\/p>\n
\uff12\u3064\u306e\u64cd\u4f5c\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u30fbCargo.toml\u306b\u4ee5\u4e0b\u3092\u66f8\u304f
\n[dependencies]\nsolid = { git = \"https:\/\/github.com\/KyotoMicrocomputer\/solid-rapi4-examples.git\"\u00a0, features = [\"std\"] }<\/p>\n
\u30fbrust\u30bd\u30fc\u30b9\u5074\u306e.ptrsproj \u30d5\u30a1\u30a4\u30eb(toml\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u30d5\u30a9\u30eb\u30c0\u306b\u3042\u308a\u307e\u3059\uff09\u306b\u300cCargoEnvironmentVariables \u300d\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/p>\n
 <\/p>\n
2.2\u00a0solid\u30af\u30ec\u30fc\u30c8\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u3000\u2015\u3000\u30b9\u30b3\u30fc\u30d7\u5185\u306b\u53d6\u308a\u8fbc\u3080<\/h3>\n
\u4eca\u56de\u3001mod spi_adxl345\u5185\u3067\u3001solid\u30af\u30ec\u30fc\u30c8\u306einterrupt\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u3001\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n
use solid::{interrupt, singleton::pin_singleton, thread::CpuCx};<\/p>\n
\u3053\u3053\u3067\u4e00\u65e6Build\u3057\u307e\u3057\u305f\u3002
\n\uff08singleton::pin_singleton, thread::CpuCx\u306b\u3064\u3044\u3066\u306f\u3001\u4eca\u56de\u306f\u300c\u304a\u307e\u3058\u306a\u3044\u300d\u3068\u3044\u3046\u4e8b\u3067\u3054\u5bb9\u8d66\u304f\u3060\u3055\u3044\u3002\u3002\u3002\uff09<\/p>\n
 <\/p>\n
2.3 \u5272\u308a\u8fbc\u307f\u767b\u9332<\/h3>\n
\u3044\u3088\u3044\u3088\u5272\u308a\u8fbc\u307f\u3092\u767b\u9332\u3059\u308b\u51e6\u7406\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002
\nspi_init()\u95a2\u6570\u3067SPI\u306b\u95a2\u3059\u308b\u521d\u671f\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3053\u306b\u8ffd\u52a0\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n
\u2460\u5272\u308a\u8fbc\u307f\u30cf\u30f3\u30c9\u30e9\u767b\u9332\u7528\u69cb\u9020\u4f53\u306e\u6e96\u5099
\n\u5272\u308a\u8fbc\u307f\u3092\u767b\u9332\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u3092\u6301\u3063\u305f\u69cb\u9020\u4f53\u3092\u6e96\u5099\u3057\u307e\u3059\u3002<\/p>\n
\n
typedef struct _SOLID_INTC_HANDLER_ {\n    int intno;\n    int priority;\n    int config;\n    int (*func)(void*, SOLID_CPU_CONTEXT*);\n    void* param;\n} SOLID_INTC_HANDLER;\n<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u306b\u5177\u4f53\u7684\u306a\u6570\u5024\u3092\u5165\u308c\u3001\u6e96\u5099\u3057\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306enew\u3067\u3001intno\u3068priority\u3092\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n
SPI\u5272\u308a\u8fbc\u307f\u306f\u3001GIC-400\u306e 96 + 54 = 150 \u756a\u306b\u5272\u308a\u632f\u3089\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001intno\u306f150\u3068\u3057\u307e\u3059\u3002[2023\/3\/23 \u8a18\u8ff0\u8ffd\u8a18]\n
priority\u306b\u3064\u3044\u3066\u306f\u3001\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u6700\u5927\u5024\u3068\u3057\u3088\u3046\u304b\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3059\u307f\u307e\u305b\u3093\u3001\u624b\u3063\u53d6\u308a\u65e9\u304f 10 \u3068\u3057\u307e\u3059\u3002\uff08\u30b5\u30f3\u30d7\u30eb\u3068\u540c\u3058\u306b\u3057\u305f\uff09<\/p>\n
\n
let spi_handler_option = interrupt::HandlerOptions::new(interrupt::Number(150),10);<\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u2461 \u30cf\u30f3\u30c9\u30e9\u306e\u767b\u9332
\n\u5272\u308a\u8fbc\u307f\u767a\u751f\u6642\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u540d\u3092\u300cspi_trans_handler()\u300d\u3068\u3057\u3001\u30cf\u30f3\u30c9\u30e9\u3092\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n
\n
let spi_handler = pin_singleton!(: Handler<_> = interrupt::Handler::new(|_: CpuCx<'_>| spi_trans_handler())).unwrap(); <\/code><\/pre>\n<\/div>\n
[2023\/3\/23 \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e00\u90e8\u4fee\u6b63]\n
\uff08\u91cd\u306d\u91cd\u306d\u3067\u3059\u304c\u3001\u3001\u3001pin_singleton, CpuCx\u306b\u3064\u3044\u3066\u306f\u3001\u4eca\u56de\u306f\u300c\u304a\u307e\u3058\u306a\u3044\u300d\u3068\u3044\u3046\u4e8b\u3067\u3054\u5bb9\u8d66\u304f\u3060\u3055\u3044\u3002\u3002\u3002\uff09<\/p>\n
\u3053\u3053\u3067\u3001\u4ee5\u4e0b\u306eunstable feature\u304c\u5fc5\u8981\u3060\u3063\u305f\u306e\u3067\uff08\u30a8\u30e9\u30fc\u304c\u51fa\u305f\uff09\u3001\u4ee5\u4e0b\u3092lib.rs\u30d5\u30a1\u30a4\u30eb\u5148\u982d\u306b\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n
[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
\n
#![feature(type_alias_impl_trait)]<\/code><\/pre>\n<\/div>\n
spi_trans_handler\u306f\u3001\u307e\u3060\u7a7a\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n\u3068\u308a\u3042\u3048\u305a\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306b\u98db\u3093\u3067\u6765\u305f\u3089\u5272\u308a\u8fbc\u307f\u3092\u7981\u6b62\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\n
fn spi_trans_handler() {\n\tspi_regs().cs.modify(spi::CS::INTD::CLEAR);\n}\n<\/code><\/pre>\n<\/div>\n
 <\/p>\n
\u2462\u5272\u308a\u8fbc\u307f\u30cf\u30f3\u30c9\u30e9\u767b\u9332\u7528\u69cb\u9020\u4f53\u306e\u767b\u9332
\n\u5148\u307b\u3069\u6e96\u5099\u3057\u305f\u30cf\u30f3\u30c9\u30e9\u767b\u9332\u7528\u69cb\u9020\u4f53\u3092\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n
\n
spi_handler.register_static(&spi_handler_option);<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u3067\u30d3\u30eb\u30c9\u306f\u901a\u3063\u305f\u306e\u3067\u3059\u304c\u3001Warning\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002
\nnote: this `Result` may be an `Err` variant, which should be handled<\/p>\n
\u3068\u3044\u3046\u4e8b\u3067\u3001.expect()\u3064\u3051\u3066\u30a8\u30e9\u30fc\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u3001\u771f\u4f3c\u3057\u3066\u3068\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n
\n
assert!(\n\tspi_handler.register_static(&spi_handler_option)\n\t.expect(\"unable to register interrupt handler\"),\n\t\"interrupt handler was already registered\"\n);\n<\/code><\/pre>\n<\/div>\n
\u4ee5\u4e0a\u3067\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\u3055\u305b\u308b\u305f\u3081\u306e\u6e96\u5099\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
 <\/p>\n
2.4\u00a0\u5272\u308a\u8fbc\u307f\u8a31\u53ef\u3092\u3059\u308b<\/h3>\n
\uff12\u64cd\u4f5c\u304c\u5fc5\u8981\u3067\u3059\u3002
\n\u30fbSPI\uff1a\u5272\u308a\u8fbc\u307f\u8a31\u53ef\u30d3\u30c3\u30c8\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3002
\n\u30fbGIC-400\uff08\u5272\u308a\u8fbc\u307f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff09\uff1a\u5272\u308a\u8fbc\u307f\u306e\u756a\u53f7\u3092\u6307\u5b9a\u3057\u3066\u6709\u52b9\u5316\u3059\u308b\u3002<\/p>\n[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
\u2460\u3000SPI\u3078\u306e\u8a2d\u5b9a
\n\u4eca\u56de\u4f7f\u7528\u3059\u308b\u306e\u306f\u3001SPI\u8ee2\u9001\u5b8c\u4e86\u5272\u308a\u8fbc\u307f\u3067\u3059\u306e\u3067\u3001CS\u30ec\u30b8\u30b9\u30bf\u306eINTD\u30d3\u30c3\u30c8\u3092\u30bb\u30c3\u30c8\u3059\u308c\u3070\uff2f\uff2b\u3067\u3059\u3002
\nspi_regs().cs.modify(spi::CS::INTD::SET);<\/p>\n
\u2461 \u5272\u308a\u8fbc\u307fEnable<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308c\u3070\uff2f\uff2b\u3067\u3059\u3002[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
\n
interrupt::Number(150).enable().expect(\"unable to enable interrupt line\");<\/code><\/pre>\n<\/div>\n
\u3053\u3053\u307e\u3067\u3001SPI\u3092\u521d\u671f\u5316\u3059\u308b\u95a2\u6570\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\nprintln!(\"Register SPI Interrupt.\");
\n\u4ee5\u964d\u306e\u30b3\u30fc\u30c9\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n
\n
   fn spi_init() {\n        const CLKSET: u32 = 0x00cb;\n\n        gpio_init();\n\n        \/\/SPI\u306eCLK\u30ec\u30b8\u30b9\u30bf\u306bSPI\u5468\u6ce2\u6570\u3092\u8a2d\u5b9a\n        spi_regs().clk.write(spi::CLK::CDIV.val(CLKSET));\n\n        \/\/CS : 00 = Chip select 0  -> CS.bit0 and 1\n        \/\/CPOL: Clock Polarity 1 = Rest state of clock = High -> CS.bit3\n        \/\/CPHA: Clock Phase 1 = First SCLK transition at beginning of data bit. -> CS.bit2\n        spi_regs().cs.modify(spi::CS::CS::ChipSelect0);\n        spi_regs().cs.modify(spi::CS::CPOL::RestStateIsHigh);\n        spi_regs()\n            .cs\n            .modify(spi::CS::CPHA::FirstSclkTransitionAtBeginningOFDataBit);\n\n        println!(\"Register SPI Interrupt.\");\n        let spi_handler_option = interrupt::HandlerOptions::new(interrupt::Number(150),10);\n        let spi_handler = pin_singleton!(: Handler<_> = interrupt::Handler::new(move |_: CpuCx<'_>| spi_trans_handler())).unwrap(); \n    \n        assert!(\n            spi_handler.register_static(&spi_handler_option)\n            .expect(\"unable to register interrupt handler\"),\n            \"interrupt handler was already registered\"\n        );\n\n        spi_regs().cs.modify(spi::CS::INTD::SET);  \/\/\u5272\u308a\u8fbc\u307f\u767a\u751f\u8981\u56e0\uff1aDONE = 1\n\n        interrupt::Number(150).enable().expect(\"unable to enable interrupt line\");\n\n    }\n<\/code><\/pre>\n<\/div>\n
 <\/p>\n
2.5 \u5272\u308a\u8fbc\u307f\u306b\u98db\u3076\u304b\u3069\u3046\u304b\u78ba\u8a8d<\/h3>\n
\u5272\u308a\u8fbc\u307f\u306e\u767b\u9332\u3068\u8a31\u53ef\u304c\u7d42\u308f\u308a\u307e\u3057\u305f\u3002
\n\u3067\u306f\u3001\u3053\u3053\u3067\u30d3\u30eb\u30c9\uff06\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u5b9f\u884c\u3059\u308b\u524d\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306b\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002
\n\u3053\u306e\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u3067\u505c\u6b62\u3059\u308c\u3070\uff2f\uff2b\u3001\u3068\u3044\u3046\u4e8b\u3067\u3059\u306d\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u3067\u306f\u3001\u5b9f\u884c\uff01<\/p>\n
\u7121\u4e8b\u3001\u98db\u3093\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\"\"<\/a><\/p>\n
\u4f55\u306e\u5272\u308a\u8fbc\u307f\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
CS\u30ec\u30b8\u30b9\u30bf\u306e\u5024\u3092\u898b\u308c\u3070\u308f\u304b\u308b\u306f\u305a\u3067\u3059\u3002
\nPARTNER Command Window\u304b\u3089\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b3\u30de\u30f3\u30c9\u767a\u884c\u3057\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
16\u30d3\u30c3\u30c8\u76ee\u304c\uff11\u3060\u304b\u3089\u8ee2\u9001\u5b8c\u4e86\u3092\u793a\u3059\u5272\u308a\u8fbc\u307f\u3067\u3059\u306d\u3002<\/p>\n
\u610f\u56f3\u3057\u305f\u901a\u308a\u306b\u52d5\u3044\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff13\uff0eSPI\u8ee2\u9001\u5b8c\u4e86\u5272\u308a\u8fbc\u307f\u3092\u4f7f\u3063\u3066\u901a\u4fe1\u3059\u308b<\/h3>\n
\n\t
\u3068\u3044\u3046\u4e8b\u3067\u3001\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u7b2c\u4e00\u95a2\u9580\u7a81\u7834\u3067\u3059\u3002
\n\u3053\u306e\u5272\u308a\u8fbc\u307f\u3092\u4f7f\u3063\u305f\u9001\u53d7\u4fe1\u30eb\u30fc\u30c1\u30f3\u3092\u66f8\u3044\u3066\u3001\u52d5\u4f5c\u78ba\u8a8d\u304c\u3067\u304d\u305f\u306e\u3067\u3001\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\u4eca\u307e\u3067\u306f\u3001\u9001\u4fe1FIFO\u306b\u30c7\u30fc\u30bf\u3092\u66f8\u304f\u524d\u306b\u3001\u6bce\u56de\u9001\u4fe1FIFO\u306e\u7a7a\u304d\u3092\u793a\u3059\u30d3\u30c3\u30c8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3066\u4e01\u5be7\u306b1\u30d0\u30a4\u30c8\u305a\u3064\u66f8\u3044\u3066\u3044\u307e\u3057\u305f\u3002
\n\u4eca\u56de\u306f\u3001\u9001\u4fe1FIFO\u306b\u3001\u9001\u4fe1\u3057\u305f\u3044\u30c7\u30fc\u30bf\u3092\u4e00\u6c17\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n
\u5272\u308a\u8fbc\u307f\u3092\u4f7f\u7528\u3057\u306a\u304f\u3066\u3082\u3001\u305d\u306e\u3088\u3046\u306b\u4e00\u6c17\u306b\u66f8\u3051\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u305d\u3053\u3092\u6df1\u304f\u8abf\u67fb\u3059\u308b\u3053\u3068\u306f\u76ee\u7684\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u5148\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n
 <\/p>\n
3.1 \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u884c\u3046\u4e8b<\/h3>\n
\u307e\u305a\u30ec\u30b8\u30b9\u30bf\u30e9\u30a4\u30c8\u51e6\u7406\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002
\n\u6ce2\u5f62\u3067\u898b\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
 <\/p>\n
(1)\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u306f\u3001\u30ec\u30b8\u30b9\u30bf\u30e9\u30a4\u30c8\u95a2\u6570\u306b\u3088\u308aCS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u304c1\u306b\u3055\u308c\u3001SPI\u8ee2\u9001\u304c\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n
\u2460\u3001\u2462\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5272\u308a\u8fbc\u307f\u304c\u767a\u751f\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u304c\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n
\u2461\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u5b8c\u4e86\u3001\u2462\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6b21\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u5b8c\u4e86\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u4eca\u56de\u306f\u53d7\u4fe1\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u5fc5\u8981\u306f\u306a\u3044\u305f\u3081\u3001\u7121\u8996\u3057\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u306f\u4ee5\u4e0b\u306e\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002
\n\u2460\u8d77\u56e0\u306e\u5272\u308a\u8fbc\u307f\u6642\uff08\u521d\u56de\u5272\u308a\u8fbc\u307f\uff09\uff1a
\n\u9001\u4fe1FIFO\u306b\u3001\u30e9\u30a4\u30c8\u5bfe\u8c61\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u3068\u30e9\u30a4\u30c8\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3002
\n\u2462\u8d77\u56e0\u306e\u5272\u308a\u8fbc\u307f\u6642\uff08\u9001\u53d7\u4fe1\u5b8c\u4e86\uff09\uff1a
\nCS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30920\u3068\u3057SPI\u8ee2\u9001\u5b8c\u4e86\u3002
\n\u30ec\u30b8\u30b9\u30bf\u30e9\u30a4\u30c8\u95a2\u6570\u306b\u5bfe\u3057\u5171\u6709\u30d5\u30e9\u30b0\u3067\u8ee2\u9001\u5b8c\u4e86\u3092\u901a\u77e5\u3002<\/p>\n[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
 <\/p>\n
\u6b21\u306b\u3001\u30ec\u30b8\u30b9\u30bf\u30ea\u30fc\u30c9\u51e6\u7406\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002
\n\u6ce2\u5f62\u3067\u898b\u308b\u3068\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n
\"\"<\/a><\/p>\n
(1)\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u306f\u3001\u30ec\u30b8\u30b9\u30bf\u30ea\u30fc\u30c9\u95a2\u6570\u306b\u3088\u308aCS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u304c1\u306b\u3055\u308c\u3001SPI\u8ee2\u9001\u304c\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n
\u2460\u3001\u2463\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5272\u308a\u8fbc\u307f\u304c\u767a\u751f\u3057\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u304c\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n
\u2461\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u5b8c\u4e86\u3001\u2462\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6b21\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u5b8c\u4e86\u3001\u2463\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6700\u5f8c\u306e\uff11\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u5b8c\u4e86\u3057\u307e\u3059\u3002
\n\u2462\u306e\u53d7\u4fe1\u30c7\u30fc\u30bf\u304c\u3001\u6307\u5b9a\u30ec\u30b8\u30b9\u30bf\u306e\u4e0b\u4f4d1\u30d0\u30a4\u30c8\u5024\u3067\u3059\u3002
\n\u2463\u306e\u53d7\u4fe1\u30c7\u30fc\u30bf\u304c\u3001\u6307\u5b9a\u30ec\u30b8\u30b9\u30bf\u306e\u4e0a\u4f4d1\u30d0\u30a4\u30c8\u5024\u3067\u3059\u3002<\/p>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u306f\u4ee5\u4e0b\u306e\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002
\n\u2460\u8d77\u56e0\u306e\u5272\u308a\u8fbc\u307f\u6642\uff08\u521d\u56de\u5272\u308a\u8fbc\u307f\uff09\uff1a
\n\u9001\u4fe1FIFO\u306b\u3001\u30ea\u30fc\u30c9\u5bfe\u8c61\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u3092\u683c\u7d0d\u3002
\n\u2463\u8d77\u56e0\u306e\u5272\u308a\u8fbc\u307f\u6642\uff08\u9001\u53d7\u4fe1\u5b8c\u4e86\uff09\uff1a
\n\u53d7\u4fe1FIFO\u306e\u5024\u3092\u8aad\u307f\u53d6\u308a\u3001CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30920\u3068\u3057SPI\u8ee2\u9001\u5b8c\u4e86\u3002
\n\u30ec\u30b8\u30b9\u30bf\u30ea\u30fc\u30c9\u95a2\u6570\u306b\u5bfe\u3057\u5171\u6709\u30d5\u30e9\u30b0\u3067\u8ee2\u9001\u5b8c\u4e86\u3092\u901a\u77e5\u3002<\/p>\n[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
 <\/p>\n
3.2 \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3068\u306e\u5171\u6709\u5909\u6570<\/h3>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3068\u3001\u30ec\u30b8\u30b9\u30bf\u30e9\u30a4\u30c8\u95a2\u6570\u3001\u30ec\u30b8\u30b9\u30bf\u30ea\u30fc\u30c9\u95a2\u6570\u306e\u9593\u3067\u3001\u5171\u6709\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u5909\u6570\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u30fb\u8ee2\u9001\u5b8c\u4e86\u30d5\u30e9\u30b0\uff1a\u6307\u5b9a\u3057\u305f\u30d0\u30a4\u30c8\u6570\u3059\u3079\u3066\u304c\u8ee2\u9001\u5b8c\u4e86\u3057\u305f\u304b\u3069\u3046\u304b\u3001\u3092\u793a\u3059\u3002
\n\u30fb\u9001\u4fe1\u30c7\u30fc\u30bf\u683c\u7d0d\u30d0\u30c3\u30d5\u30a1
\n\u30fb\u53d7\u4fe1\u30c7\u30fc\u30bf<\/p>\n
\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u2460\u8ee2\u9001\u5b8c\u4e86\u30d5\u30e9\u30b0<\/p>\n
\u666e\u901a\u306b\u3001static\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u305f\u3089\u3001\u300cunsafe\u3060\uff01\u300d\u3068\u6012\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n
\n
static mut SPI_DONE: bool = false;<\/code><\/pre>\n<\/div>\n
\"\"<\/a><\/p>\n
\u524d\u56de\u306b\u5f15\u304d\u7d9a\u304d\u3001\u5909\u6570\u306e\u5171\u7528\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n
\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u4f7f\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\nMutex\u306f\u524d\u56de\u4f7f\u3063\u305f\u306e\u3067\u3001\u30a2\u30c8\u30df\u30c3\u30af\u3067static\u306a\u30d6\u30fc\u30eb\u5909\u6570\u3068\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
\u5b9a\u7fa9\uff1a<\/p>\n
\n
static SPI_DONE: AtomicBool = AtomicBool::new(false);<\/code><\/pre>\n<\/div>\n
\u5024\u3092\u5165\u308c\u308b\u3068\u304d\uff1a<\/p>\n
\n
SPI_DONE.store(true, Ordering::SeqCst);<\/code><\/pre>\n<\/div>\n
\u5024\u3092\u8aad\u3080\u3068\u304d\uff1a<\/p>\n
\n
SPI_DONE.load(Ordering::SeqCst);<\/code><\/pre>\n<\/div>\n
Ordering\u306f\u30e1\u30e2\u30ea\u64cd\u4f5c\u3092\u9806\u5e8f\u4ed8\u3051\u3059\u308b\u305f\u3081\u306e\u6307\u5b9a\u3067\u3059\u304c\u3001\u8907\u96d1\u306a\u30c8\u30d4\u30c3\u30af\u306a\u306e\u3067\u3053\u3053\u3067\u306f\u8aac\u660e\u305b\u305a\u3001SeqCst\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002[2023\/3\/23 \u8a18\u8ff0\u4e00\u90e8\u4fee\u6b63]\n
https:\/\/doc.rust-lang.org\/std\/sync\/atomic\/enum.Ordering.html<\/a><\/p>\n
 <\/p>\n
\u2461 \u9001\u4fe1\u30c7\u30fc\u30bf\u683c\u7d0d\u30d0\u30c3\u30d5\u30a1
\n\u540c\u3058\u304f\u3001\u30a2\u30c8\u30df\u30c3\u30af\u3067static\u306a\u30bf\u30d7\u30eb\u5f62\u5f0f\u306e\u5909\u6570\u3068\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n\u30a2\u30c8\u30df\u30c3\u30af\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u914d\u5217\u3067\u306a\u304f\u30bf\u30d7\u30eb\u5f62\u5f0f\u3092\u63a1\u308a\u307e\u3057\u305f\u3002
\n\uff08\u3069\u3046\u3084\u3063\u3066\u914d\u5217\u3092\u30a2\u30c8\u30df\u30c3\u30af\u306b\u3059\u308b\u306e\u304b\u3001\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u3082\u308f\u304b\u3089\u305a\u3058\u307e\u3044\u3067\u3002\u3002\u3002\uff09<\/p>\n
\n
static S_DATA: SendData = SendData(AtomicU8::new(0),AtomicU8::new(0), AtomicU8::new(0), AtomicBool::new(false),  AtomicBool::new(false));<\/code><\/pre>\n<\/div>\n
\u2462 \u53d7\u4fe1\u30c7\u30fc\u30bf
\n16bit\u306e\u30c7\u30fc\u30bf\u306a\u306e\u3067\u3001\u30a2\u30c8\u30df\u30c3\u30af\u3067static\u306ai32\u5909\u6570\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\ni32\u306b\u3057\u305f\u306e\u306f\u3001\u4e0a\u4f4d\u95a2\u6570\u3067\u90fd\u5408\u304c\u826f\u304b\u3063\u305f\u304b\u3089\u3067\u3001\u6df1\u3044\u610f\u5473\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\n
static R_DATA: AtomicI32 = AtomicI32::new(0);<\/code><\/pre>\n<\/div>\n
\u4ee5\u4e0a\u306e\u5171\u6709\u5909\u6570\u3092\u7528\u3044\u3066\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n
\n
\tfn spi_trans_handler() {\n\t\t\/\/DONE\u30d3\u30c3\u30c8\u304c1\u3067FIFO\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u304c\u3042\u308b\u306a\u3089\u3001\u9001\u4fe1FIFO\u306b\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u3092\u30e9\u30a4\u30c8\u3059\u308b\u3002\n\t\t\/\/DONE\u30d3\u30c3\u30c8\u304c1\u3067FIFO\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u304c\u306a\u3044\u306a\u3089\u3001\u53d7\u4fe1FIFO\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30ea\u30fc\u30c9\u3057\u5272\u308a\u8fbc\u307f\u767a\u751f\u30d5\u30e9\u30b0\u30921\u306b\u3059\u308bClearTA\n\t\t\/\/DONE\u30d3\u30c3\u30c8\u304c0\u3067\u3042\u308c\u3070\u4f55\u3082\u3057\u306a\u3044\n\t\tif spi_regs().cs.is_set(spi::CS::DONE) {\n\t\t\tlet transfer_type = S_DATA.4.load(Ordering::SeqCst);\n\t\t\tlet first_flag = S_DATA.3.load(Ordering::SeqCst);\n\n\t\t\tif transfer_type == true && first_flag == true \/\/regread\u521d\u56de\u5272\u308a\u8fbc\u307f\n\t\t\t{\n\t\t\t\tspi_regs().fifo.write(spi::FIFO::DATA.val(S_DATA.0.load(Ordering::SeqCst).into()));\n\t\t\t\tspi_regs().fifo.write(spi::FIFO::DATA.val(S_DATA.1.load(Ordering::SeqCst).into()));\n\t\t\t\tspi_regs().fifo.write(spi::FIFO::DATA.val(S_DATA.2.load(Ordering::SeqCst).into()));\n\t\t\t\tS_DATA.3.store(false, Ordering::SeqCst);\n\t\t\t}\n\t\t\telse if transfer_type == false && first_flag == true \/\/regwrite\u521d\u56de\u5272\u308a\u8fbc\u307f\n\t\t\t{\n\t\t\t\tspi_regs().fifo.write(spi::FIFO::DATA.val(S_DATA.0.load(Ordering::SeqCst).into()));\n\t\t\t\tspi_regs().fifo.write(spi::FIFO::DATA.val(S_DATA.1.load(Ordering::SeqCst).into()));\n\t\t\t\tS_DATA.3.store(false, Ordering::SeqCst);\n\t\t\t}\n\t\t\telse \n\t\t\t{\n\t\t\t\tif transfer_type == true \/\/regread: 3\u56de\u8ee2\u9001\u5206\u306e\u30c7\u30fc\u30bf\u304cRX FIFO\u306b\u5165\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u6c7a\u3081\u6253\u3061\u3002(Dummy, \u4e0b\u4f4d1\u30d0\u30a4\u30c8\u3001\u4e0a\u4f4d1\u30d0\u30a4\u30c8\uff09\n\t\t\t\t{\n\t\t\t\t\tlet retdata_h: u32;\n\t\t\t\t\tlet retdata_l: u32;\n\n\t\t\t\t\tspi_regs().fifo.read(spi::FIFO::DATA); \/\/Dummy read\n\n\t\t\t\t\tretdata_l = spi_regs().fifo.read(spi::FIFO::DATA);\n\t\t\t\t\tretdata_h = spi_regs().fifo.read(spi::FIFO::DATA);\n\t\t\t\t\tR_DATA.store(i32::from(i16::from_le_bytes([retdata_l as u8, retdata_h as u8])),Ordering::SeqCst);\n\t\t\t\t}\n\n\t\t\t\tspi_regs().cs.modify(spi::CS::TA::CLEAR);\n\t\t\t\tSPI_DONE.store(true, Ordering::SeqCst);\n\t\t\t}\n\t\t}\n\t\telse {}\n\t}\n<\/code><\/pre>\n<\/div>\n
[2023\/3\/23 \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e00\u90e8\u4fee\u6b63]\n
\u30ec\u30b8\u30b9\u30bf\u30e9\u30a4\u30c8\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\n
    pub fn regwrite(regaddr: u8, writeval: u8) {\n        \/\/(1)\u8ee2\u9001\u5b8c\u4e86\u30d5\u30e9\u30b0\u3092\u30af\u30ea\u30a2\u3057\u3001FIFO\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u6e96\u5099\n        SPI_DONE.store(false, Ordering::SeqCst);\n        S_DATA.0.store(regaddr, Ordering::SeqCst);\n        S_DATA.1.store(writeval, Ordering::SeqCst);\n        S_DATA.3.store(true, Ordering::SeqCst);\n        S_DATA.4.store(false, Ordering::SeqCst);\n\n        \/\/(2)CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x03\u3092\u66f8\u3044\u3066TX-FIFO, RX-FIFO\u30af\u30ea\u30a2\n        spi_regs().cs.modify(spi::CS::CLEAR_TX::SET + spi::CS::CLEAR_RX::SET);\n\n        \/\/(3)CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30921\u306b\u3059\u308b\u3002\n        spi_regs().cs.modify(spi::CS::TA::SET);\n        \/\/\u5272\u308a\u8fbc\u307f\u767a\u751f\u3057FIFO\u306b\u5024\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u306f\u305a\u3002\n\n        \/\/(4)\u8ee2\u9001\u5b8c\u4e86\u5272\u308a\u8fbc\u307f\u767a\u751f\u30d5\u30e9\u30b0\u304ctrue\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n        while !SPI_DONE.load(Ordering::SeqCst){}\n    }\n\n<\/code><\/pre>\n<\/div>\n
[2023\/3\/23 \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e00\u90e8\u4fee\u6b63]\n
\u30ec\u30b8\u30b9\u30bf\u30ea\u30fc\u30c9\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\n
fn regread(regval: u8) -> i32 {\n        \/\/(1)\u8ee2\u9001\u5b8c\u4e86\u30d5\u30e9\u30b0\u3092\u30af\u30ea\u30a2\u3057\u3001FIFO\u66f8\u304d\u8fbc\u307f\u30c7\u30fc\u30bf\u6e96\u5099\n        SPI_DONE.store(false, Ordering::SeqCst);\n        S_DATA.0.store(regval, Ordering::SeqCst);\n        S_DATA.1.store(0, Ordering::SeqCst);\n        S_DATA.2.store(0, Ordering::SeqCst);\n        S_DATA.3.store(true, Ordering::SeqCst);\n        S_DATA.4.store(true, Ordering::SeqCst);\n\n        \/\/(2)CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x03\u3092\u66f8\u3044\u3066TX-FIFO, RX-FIFO\u30af\u30ea\u30a2\n        spi_regs().cs.modify(spi::CS::CLEAR_TX::SET + spi::CS::CLEAR_RX::SET);\n\n        \/\/(3)CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30921\u306b\u3059\u308b\u3002\n        spi_regs().cs.modify(spi::CS::TA::SET);\n        \/\/\u5272\u308a\u8fbc\u307f\u767a\u751f\u3057FIFO\u306b\u5024\u304c\u66f8\u304b\u308c\u3066\u3044\u308b\u306f\u305a\u3002\n\n        \/\/(4)\u8ee2\u9001\u5b8c\u4e86\u5272\u308a\u8fbc\u307f\u767a\u751f\u30d5\u30e9\u30b0\u304ctrue\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n        while !SPI_DONE.load(Ordering::SeqCst){}\n\n        return R_DATA.load(Ordering::SeqCst);\n    }<\/code><\/pre>\n<\/div>\n
[2023\/3\/23 \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u4e00\u90e8\u4fee\u6b63]\n
[2023\/3\/23 \u8ffd\u8a18]\n\u6700\u5f8c\u306e return R_DATA.load(Ordering::SeqCst);\u3000\u306f\u3001\"return\"\u3068\";\"\u3092\u524a\u9664\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u3059\u3063\u304b\u308a\u5fd8\u308c\u3066\u3044\u3066\u3001\u3064\u3044\u3064\u3044C\u8a00\u8a9e\u30e9\u30a4\u30af\u306b\u66f8\u3044\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u308c\u3067\u3001SOLID-OS\u306e\u6301\u3064C\u8a00\u8a9e\u3067\u8a18\u8f09\u3055\u308c\u305f\u5272\u308a\u8fbc\u307f\u95a2\u9023API\u3092\u3001Rust\u304b\u3089\u30b3\u30fc\u30eb\u3057\u3001\u7121\u4e8b\u3001\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff01
\n\u305d\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3082Rust\u3067\u66f8\u3051\u307e\u3057\u305f\uff01<\/p>\n
 <\/p>\n
\u4ee5\u4e0a\u3001\u3055\u3089\u3063\u3068\u66f8\u3044\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306f\u7279\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u66f8\u304d\u4e0a\u3052\u308b\u969b\u306e\u5171\u6709\u5909\u6570\u306e\u66f8\u304d\u65b9\u306b\u3064\u3044\u3066\u30c9\u30cf\u30de\u308a\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u305d\u308c\u3067\u3082\u30b5\u30f3\u30d7\u30eb\u3092\u53c2\u8003\u306b\u3057\u305f\u308a\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u52c9\u5f37\u3057\u305f\u308a\u3059\u308c\u3070\u3001\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u81ea\u529b\u3067\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002
\n\u672c\u9023\u8f09\u958b\u59cb\u5f53\u521d\u3068\u306f\u9055\u3044\u3001Rust\u3067\u4f55\u304b\u66f8\u304f\u306b\u3057\u3066\u3082\u3001\u306a\u3093\u3068\u304b\u306a\u308a\u305d\u3046\u306a\u611f\u3058\u304c\u898b\u3048\u3066\u304d\u305f\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n
\u4eca\u56de\u306f\u3053\u3053\u307e\u3067\u3002
\n\u6b21\u56de\u306f\u3053\u306e\u30b3\u30fc\u30c9\u3092\u6709\u8b58\u8005\u306e\u65b9\u306b\u898b\u3066\u9802\u304f\u4e88\u5b9a\u3067\u3059\u3002\u3069\u3046\u3044\u3046Feedback\u3092\u9802\u3051\u308b\u304b\u697d\u3057\u307f\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div>
<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"
(2023\/3\/20) \u524d\u56de\u3001SOLID-OS\u4e0a\u3067\u5272\u308a\u8fbc\u307f\u51e6\u7406\u3092Rust\u3067\u66f8\u304f\u305f\u3081\u306b\u5fc5\u8981\u306a\u3053\u3068\u3001\u306b\u3064\u3044\u3066\u8abf\u3079\u305f\u7d50\u679c\u3092\u3082\u3068\u306b\u3001\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u4e00\u70b9\u3001\u8a02\u6b63\u304c\u3042\u308a\u307e\u3059\u3002 \u524d\u56de\u3001 \u300c\u4eca\u56de\u767a\u751f\u3055\u305b\u305f\u3044\u5272\u308a\u8fbc\u307f\u306f\u3001SPI\u53d7\u4fe1\u30fb\u9001 […]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6288","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/comments?post=6288"}],"version-history":[{"count":0,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6288\/revisions"}],"wp:attachment":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/media?parent=6288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/categories?post=6288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/tags?post=6288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}