{"id":6090,"date":"2023-01-31T08:05:48","date_gmt":"2023-01-30T23:05:48","guid":{"rendered":"https:\/\/solid.kmckk.com\/SOLID\/?p=6090"},"modified":"2023-01-31T08:15:38","modified_gmt":"2023-01-30T23:15:38","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-2-5-2-2-2-6","status":"publish","type":"post","link":"https:\/\/solid.kmckk.com\/SOLID\/archives\/6090","title":{"rendered":"SOLID for Raspberry Pi 4 (\u9023\u8f0913)"},"content":{"rendered":"
\n
\n\t

(2023\/1\/30)<\/p>\n<\/div>\n<\/div><\/div>

Rust\u3067SPI\u5236\u5fa1\u2015\u6709\u8b58\u8005\u30ec\u30d3\u30e5\u30fc\u7d50\u679c<\/h3>\n
\n\t

\u524d\u56de\u66f8\u3044\u305f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3084\u8a18\u4e8b\u3092\u3001\u6709\u8b58\u8005\u306e\u65b9\u306b\u30c1\u30a7\u30c3\u30af\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u4eca\u56de\u306f\u3001\u305d\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u3002<\/p>\n

\u524d\u56de\u8a18\u4e8b\u306e\u6700\u5f8c\u3067\u300c\u6b21\u56de\u306fSPI\u53d7\u4fe1\u90e8\u3092\u4f5c\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u300d\u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u306f\u6b21\u56de\u3078\u6301\u3061\u8d8a\u3057\u3068\u3044\u3046\u4e8b\u3067\u3002\u3002\u3002<\/p>\n<\/div>\n<\/div><\/div>

\uff11\uff0e \u524d\u56de\u306e\u6ce2\u5f62\u8868\u793a\u306b\u3064\u3044\u3066<\/h3>\n
\n\t

\u524d\u56de\u8a18\u4e8b\u306e\u6700\u5f8c\u306b\u3001\u300c\u52d5\u304d\u307e\u3057\u305f\uff01\u300d\u3068\u5b09\u3005\u3068\u3057\u3066\u6ce2\u5f62\u3092\u8cbc\u308a\u4ed8\u3051\u307e\u3057\u305f\u304c\u3001SPI\u53d7\u4fe1\u7aef\u5b50(SDD)\u304c\u30ed\u30b8\u30c3\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u304b\u3089\u5916\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u524d\u56de\u8a18\u4e8b\u3067\u306f\u3001\u9001\u4fe1\u5074\u51e6\u7406\u3060\u3063\u305f\u305f\u3081\u3001\u53d7\u4fe1\u7aef\u5b50\u306f\u6c17\u306b\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

\u6b63\u3057\u304f\u306f\u3053\u3061\u3089\u306e\u6ce2\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

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

SDD\uff08\u53d7\u4fe1\u7aef\u5b50\uff09\u306b\u3082\u30c7\u30fc\u30bf\u304c\u8f09\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n

\u3067\u306f\u3001\u3053\u3053\u304b\u3089\u306f\u6709\u8b58\u8005\u30ec\u30d3\u30e5\u30fc\u306e\u7d50\u679c\u306b\u3064\u3044\u3066\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

 <\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>

\uff12\uff0e\u540c\u3058\u51e6\u7406\u306e\u9023\u7d9a\u3092\u30eb\u30fc\u30d7\u51e6\u7406\u306b\u3059\u308b<\/h3>\n
\n\t

GPIO8,9,10,11\u306e\u7aef\u5b50\u6a5f\u80fd\u3092ALT0\u306b\u8a2d\u5b9a\u3059\u308b\u51e6\u7406\u306b\u304a\u3044\u3066\u3001\u3059\u3079\u3066ALT0\u306b\u8a2d\u5b9a\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u30eb\u30fc\u30d7\u304c\u4f7f\u3048\u308b\u3088\u3001\u3068\u306e\u4e8b\u3067\u3001\u683c\u597d\u3044\u3044\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u5143\u3005\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\uff1a<\/p>\n

\n
pub fn init() {\n\u00a0 \u00a0 \u00a0 \u00a0 const GPIO_NUM8: usize = 8;\n\u00a0 \u00a0 \u00a0 \u00a0 const GPIO_NUM9: usize = 9;\n\u00a0 \u00a0 \u00a0 \u00a0 const GPIO_NUM10: usize = 10;\n\u00a0 \u00a0 \u00a0 \u00a0 const GPIO_NUM11: usize = 11;\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/GPIO8,9,10,11\u306e\u7aef\u5b50\u6a5f\u80fd\u3092ALT0\u306b\u8a2d\u5b9a\n\u00a0 \u00a0 \u00a0 \u00a0 gpio_regs().gpfsel[GPIO_NUM8 \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0gpio::GPFSEL::pin(GPIO_NUM8 % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n\u00a0 \u00a0 \u00a0 \u00a0 );\n\u00a0 \u00a0 \u00a0 \u00a0 gpio_regs().gpfsel[GPIO_NUM9 \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 gpio::GPFSEL::pin(GPIO_NUM9 % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n\u00a0 \u00a0 \u00a0 \u00a0 );\n\u00a0 \u00a0 \u00a0 \u00a0 gpio_regs().gpfsel[GPIO_NUM10 \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 gpio::GPFSEL::pin(GPIO_NUM10 % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n\n\u00a0 \u00a0 \u00a0 \u00a0 );\n\u00a0 \u00a0 \u00a0 \u00a0 gpio_regs().gpfsel[GPIO_NUM11 \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 gpio::GPFSEL::pin(GPIO_NUM11 % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n\u00a0 \u00a0 \u00a0 \u00a0 );\n\u00a0 \u00a0 }\n<\/code><\/pre>\n<\/div>\n
\u30eb\u30fc\u30d7\u3092\u4f7f\u3063\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\uff1a<\/p>\n
\n
pub fn init() {\n        for pin in 8..=11 {\n            gpio_regs().gpfsel[pin \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n                gpio::GPFSEL::pin(pin % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n            );\n        }\n    }\n<\/code><\/pre>\n<\/div>\n
\u3055\u3089\u306b\u3001\u5168\u90e8\u304cALT0\u3067\u306a\u3044\u5834\u5408\u3001\u500b\u5225\u306b\u5909\u66f4\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u4ee5\u4e0b\u3002<\/p>\n
\n
pub fn init() {\n        for (pin, gpf) in [\n            (8, gpio::GPFSEL::ALT0),\n            (9, gpio::GPFSEL::ALT0),\n            (10, gpio::GPFSEL::ALT0),\n            (11, gpio::GPFSEL::ALT0),\n        ] {\n            gpio_regs().gpfsel[pin \/ gpio::GPFSEL::PINS_PER_REGISTER]\n                .modify(gpio::GPFSEL::pin(pin % gpio::GPFSEL::PINS_PER_REGISTER).val(gpf));\n        }\n<\/code><\/pre>\n<\/div>\n
\u3069\u306e\u3088\u3046\u306b\u66f8\u304f\u304b\u3001\u306f\u3001\u66f8\u304d\u624b\u306e\u8da3\u5473\u306e\u7bc4\u56f2\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u7b46\u8005\u304c \u601d\u8003\u505c\u6b62\u72b6\u614b\u3067<\/s> \u52d5\u304f\u3053\u3068\u3092\u6700\u512a\u5148\u3068\u3057\u3001\u3079\u3068\u30fc\u3063\u3068\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u304c\u683c\u597d\u826f\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u5225\u95a2\u6570\u306b\u5206\u3051\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30ad\u30ea\u304c\u306a\u3044\u306e\u3067\u6b8b\u5ff5\u306a\u304c\u3089\u5272\u611b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div><\/div>
\uff13\uff0e\u30ec\u30b8\u30b9\u30bf\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u306e\u8003\u3048\u65b9<\/h3>\n
\n\t
\u524d\u56de\u3001\u300c\u3053\u3046\u3044\u3046\u4e8b\u304b\u3068\u81ea\u5206\u306a\u308a\u306b\u7406\u89e3\u3057\u307e\u3057\u305f\u3002\u300d\u3068\u66f8\u3044\u305f\u90e8\u5206\u306b\u3064\u3044\u3066\u3001\u89e3\u8aac\u3092\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n[\u8a72\u5f53\u7b87\u6240]\n----------------
\n\u30fbspi_regs().clk.write(\u3000\u306e\u90e8\u5206\uff1a
\n\u81ea\u5206\u89e3\u91c8\uff1aspi_regs(register_structs\u69cb\u9020\u4f53)\u306eclk\u30e1\u30f3\u30d0\u306b\u66f8\u304d\u8fbc\u307f\u3092\u305b\u3088\u3002
\n\u30fbspi::CLK::CDIV.val(CLKSET)\u3000\u306e\u90e8\u5206\uff1a
\n\u81ea\u5206\u89e3\u91c8\uff1a\u66f8\u304d\u8fbc\u3080\u5bfe\u8c61\u306f spi::CLK\u30af\u30e9\u30b9\u306eCDIV\u30e1\u30f3\u30d0\u3067\u3001\u305d\u306e\u5024\u306f .val()\u3067\u64cd\u4f5c\u3059\u308b\u3053\u3068
\n----------------<\/p>\n[\u89e3\u8aac]\n----------------
\n\u3053\u3053\u3067\u306fspi::Registers\u69cb\u9020\u4f53\u306eclk\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5bfe\u3057\u3066 write\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002
\n(spi::Registers\u69cb\u9020\u4f53\u306fregister_structs\u30de\u30af\u30ed\u3092\u4f7f\u7528\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002)<\/p>\n
spi::CLK::CDIV\u306fCLK\u30ec\u30b8\u30b9\u30bf\u306eCDIV\u30d3\u30c3\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30d3\u30c3\u30c8\u7bc4\u56f2\u3092\u8868\u3059\u5b9a\u6570\u3067\u3059\u3002
\n\u3053\u306e\u30d3\u30c3\u30c8\u7bc4\u56f2\u306fField\u69cb\u9020\u4f53\u3067\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
Field\u69cb\u9020\u4f53\u306eval\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001\u305d\u306e\u30d3\u30c3\u30c8\u7bc4\u56f2\u306b\u4ee3\u5165\u3057\u305f\u3044\u5024\u3092\u95a2\u9023\u4ed8\u3051\u305fFieldValue\u69cb\u9020\u4f53\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n
\u6700\u5f8c\u306bwrite\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u306b\u3088\u308a\u3001FieldValue\u69cb\u9020\u4f53\u3067\u8868\u3055\u308c\u308b\u30d3\u30c3\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u65b0\u3057\u3044\u5024\u304c\u3001clk\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u8868\u3055\u308c\u308b\u30e1\u30e2\u30ea\u756a\u5730\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002
\n----------------<\/p>\n
\u3075\u3080\u3080\u3001\u3001\u3001
\n\u307e\u305a\u81ea\u5206\u304c\u3001\u30af\u30e9\u30b9\u3060\u3068\u304b\u30e1\u30f3\u30d0\u3060\u3068\u304b\u3001\u306a\u3093\u3068\u306a\u304f\u9069\u5f53\u306b\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u304c\u4ed8\u304d\u307e\u3057\u305f\u3002
\nC\/C++\u8a00\u8a9e\u3092\u672c\u5f53\u306e\u610f\u5473\u3067\u6b63\u3057\u304f\u4f7f\u3048\u3066\u3044\u308b\u4eba\u306b\u3068\u3063\u3066\u3082\u3001\u9055\u548c\u611f\u306e\u3042\u308b\u6587\u7ae0\u3060\u3063\u305f\u306a\u3068\u53cd\u7701\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff14\uff0e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u3064\u3044\u3066<\/h3>\n
\n\t
\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306b\u3064\u3044\u3066\u3001\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u308b\u3068\u306e\u3054\u6307\u6458\u3002<\/p>\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(\n            spi::CS::CS::ChipSelect0,\n        );\n        spi_regs().cs.modify(\n            spi::CS::CPOL::RestStateIsHigh,\n        );\n        spi_regs().cs.modify(\n            spi::CS::CPHA::FirstSclkTransitionAtBeginningOFDataBit,\n        );\n<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u306b\u3064\u3044\u3066\u306e\u4fee\u6b63\u6848\u3092\u3001\u4ee5\u4e0b2\u70b9\u9802\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u2460rustfmt\u3092\u4f7f\u3046
\nrustfmt\u3068\u3044\u3046\u30c4\u30fc\u30eb\u304c\u3042\u308a\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\u30b9\u30bf\u30a4\u30eb\u306b\u5408\u308f\u305b\u3066\u81ea\u52d5\u7684\u306b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3066\u304f\u308c\u307e\u3059\u3002
\nhttps:\/\/doc.rust-jp.rs\/book-ja\/appendix-04-useful-development-tools.html<\/a><\/p>\n
SOLID-IDE\u3067\u306fCtrl-K -> Ctrl-D\u3067\u547c\u3073\u51fa\u305b\u307e\u3059\u3002<\/p>\n
\u3055\u3063\u305d\u304f\u8a66\u3057\u3066\u307f\u307e\u3059\u3002
\n\u5358\u306b\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u4e0a\u306e\u3069\u3053\u304b\u3092\u30dd\u30a4\u30f3\u30c8\u3057\u3001Ctrl-K \u3092\u62bc\u3057\u305f\u306e\u3061Ctrl-D\u3092\u62bc\u3059\u3060\u3051\u3067\u3059\u3002<\/p>\n
\u308f\u3063\u3002<\/p>\n
\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u81ea\u52d5\u3067\u5168\u90e8\u6574\u5f62\u3055\u308c\u305f\uff01
\n\u3067\u3001\u305d\u306e\u8a72\u5f53\u90e8\u5206\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\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<\/code><\/pre>\n<\/div>\n
\uff08\u3061\u3087\u3063\u3068\u3073\u3063\u304f\u308a\u3057\u305f\u3002\u3002\u3002\uff09<\/p>\n
\u2461+\u6f14\u7b97\u5b50\u3067\u7d50\u5408
\nFieldValue\u306f+\u6f14\u7b97\u5b50\u3067\u7d50\u5408\u3067\u304d\u308b\u3068\u306e\u4e8b\u3002<\/p>\n
\n
spi_regs().cs.modify(\nspi::CS::CS::ChipSelect0\n+ spi::CS::CPOL::RestStateIsHigh\n+ spi::CS::CPHA::FirstSclkTransitionAtBeginningOFDataBit,\n);\n<\/code><\/pre>\n<\/div>\n
\u5f0f\u304c\u4e00\u3064\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n
\u4eca\u56de\u306f\u3001\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u81ea\u52d5\u6210\u5f62\u3055\u308c\u305f\u2460\u3092\u63a1\u7528\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div><\/div>
\uff15\uff0eWhile\u6587\u306f\u4e00\u6587\u3067\u66f8\u3051\u308b<\/h3>\n
\n\t
\u3053\u3061\u3089\u3082\u3001\u52d5\u304b\u3059\u3053\u3068\u3092\u6700\u512a\u5148\u3068\u3057\u305f\u7d50\u679c\u3001\u7b46\u8005\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u3067\u3057\u305f\u3002<\/p>\n
\n
\t\tlet mut retval = false;\n\t\twhile retval == false\n\t\t{\n\t\t\tretval = spi_regs().cs.is_set(\n\t\t\tspi::CS::TXD\n\t\t\t);\n\t\t}\n<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4e00\u6587\u3067\u66f8\u3051\u307e\u3059\u3002<\/p>\n
\n
while !spi_regs().cs.is_set(spi::CS::TXD) {}\n<\/code><\/pre>\n<\/div>\n
\u3053\u3053\u306b\u3064\u3044\u3066\u3001\u5148\u307b\u3069\u306eCtrl-K -> Ctrl-D\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6574\u5f62\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
        let mut retval = false;\n        while retval == false {\n            retval = spi_regs().cs.is_set(spi::CS::DONE);\n        }\n<\/code><\/pre>\n<\/div>\n
\u3067\u3059\u304c\u3001\u3053\u3053\u306b\u3064\u3044\u3066\u306f\u3001\u6559\u3048\u3066\u9802\u3044\u305f\u66f8\u304d\u65b9\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u88dc\u8db3\uff1a
\nC\u8a00\u8a9e\u3067\u3082\u3001\u66f8\u3053\u3046\u3068\u601d\u3048\u3070\u4e00\u884c\u3067\u3044\u308d\u3044\u308d\u306a\u610f\u5473\u3092\u5165\u308c\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3088\u306d\u3002
\n\u500b\u4eba\u7684\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3092\u307e\u3068\u3081\u3066\u66f8\u304f\u4e8b\u304c\u826f\u3044\u306e\u304b\u60aa\u3044\u306e\u304b\u3068\u3044\u3046\u4e8b\u3067\u306f\u6e2c\u308c\u306a\u3044\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002
\n\u3069\u3061\u3089\u306e\u66f8\u304d\u65b9\u304c\u53ef\u8aad\u6027\u304c\u826f\u3044\u306e\u304b\u3001\u7d50\u5c40\u306f\u4eba\u305d\u308c\u305e\u308c\u3067\u3042\u308a\u3001\u305d\u306e\u8fba\u306fRust\u3067\u3082\u7121\u7406\u306b\u5f37\u5236\u3059\u308b\u3088\u3046\u306a\u4e8b\u306f\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3059\u306d\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff16\uff0eSET\u3068CLEAR<\/h3>\n
\n\t
\u30d3\u30c3\u30c8\u306e\u30bb\u30c3\u30c8\uff06\u30af\u30ea\u30a2\u3001\u3082\u3001\u65e2\u306b\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002
\n\u30ec\u30b8\u30b9\u30bf\u64cd\u4f5c\u306e\u305f\u3081\u306b\u4f7f\u7528\u3057\u3066\u3044\u308btock_registers::register_bitfields! \u30de\u30af\u30ed (\u53b3\u5bc6\u306b\u306f\u305d\u306e\u5185\u90e8\u30de\u30af\u30ed) \u304c\u3001\u5b9a\u6570 SET, CLEAR \u3082\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u30ec\u30b8\u30b9\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306f\u3001SET\u3084CLEAR\u3092\u4f7f\u3063\u3066\u3001\u4f59\u8a08\u306a\u30c7\u30fc\u30bf\u306e\u5b9a\u7fa9\u306f\u3084\u3081\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30fbspi::CS::TA.val(CS_TA_ACTIVE),\u3000\u21d2\u3000SET \u304c\u4f7f\u3048\u308b
\n\u30fbspi::CS::CLEAR_TX.val(0x01),\u00a0\u21d2\u3000SET \u304c\u4f7f\u3048\u308b
\n\u30fbspi::CS::TA.val(CS_TA_INACTIVE),\u3000\u21d2\u3000CLEAR\u304c\u4f7f\u3048\u308b<\/p>\n
SET,CLEAR\u3092\u4f7f\u3046\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002<\/p>\n
\n
\tspi_regs().cs.modify(spi::CS::TA::SET);\n             :\n        spi_regs().cs.modify(spi::CS::CLEAR_TX::SET);\n             :\n        spi_regs().cs.modify(spi::CS::TA::CLEAR);\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div><\/div>
\uff17\uff0e[Rust\u5916]SPI\u9001\u4fe1\u90e8\u306e\u5b9f\u88c5<\/h3>\n
\n\t
Rust\u95a2\u9023\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u9001\u4fe1\u90e8\u306e\u30d5\u30ed\u30fc\u306b\u3064\u3044\u3066\u3001\u6307\u6458\u3042\u308a\u307e\u3057\u305f\u3002
\n\uff08\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3063\u3066\u5927\u5207\u3067\u3059\u306d\u3001\u3068\u5b9f\u611f\u3057\u305f\u6b21\u7b2c\u3067\u3059\uff09<\/p>\n
------\u9001\u4fe1\u30d5\u30ed\u30fc---------
\n\u2460CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30921\u306b\u3059\u308b\u3002
\n\u2461FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u30e9\u30a4\u30c8\u5bfe\u8c61\u306e\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u306e\u30ec\u30b8\u30b9\u30bf\u5024\u201d0x2c\u201d\uff09
\n\u2462CS\u30ec\u30b8\u30b9\u30bf\u306eTXD\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064
\n\uff08\u5f85\u3064\u51e6\u7406\u306e\u524d\u306b5us\u307b\u3069\u30a6\u30a8\u30a4\u30c8\u3092\u5165\u308c\u308b\u3002\u305d\u3082\u305d\u30820\u306b\u306a\u308b\u524d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3002\u30a6\u30a8\u30a4\u30c8\u5024\u306f\u5f8c\u3067\u898b\u76f4\u3059\u3002\uff09
\n\u2463CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x01\u3092\u66f8\u3044\u3066FIFO\u30af\u30ea\u30a2<\/strong>
\n\u2464FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u5148\u307b\u3069\u306e\u30ec\u30b8\u30b9\u30bf\u3078\u306e\u30e9\u30a4\u30c8\u5024\u201d0x0b\u201d\uff09
\n\u2465CS\u30ec\u30b8\u30b9\u30bf\u306eTXD\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064
\n\uff08\u5f85\u3064\u51e6\u7406\u306e\u524d\u306b5us\u307b\u3069\u30a6\u30a8\u30a4\u30c8\u3092\u5165\u308c\u308b\u3002\u305d\u3082\u305d\u30820\u306b\u306a\u308b\u524d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3002\u30a6\u30a8\u30a4\u30c8\u5024\u306f\u5f8c\u3067\u898b\u76f4\u3059\u3002<\/strong>
\n\u2466CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x01\u3092\u66f8\u3044\u3066FIFO\u30af\u30ea\u30a2
\n\u2467CS\u30ec\u30b8\u30b9\u30bf\u306eDONE\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064<\/strong>
\n\u2468CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30920\u306b\u3057\u3066\u9001\u4fe1\u5b8c\u4e86\u3002
\n------------------------<\/p>\n[\u30ec\u30d3\u30e5\u30fc\u6307\u6458]\nTXD\u306f\u9001\u4fe1FIFO\u306b1\u30d0\u30a4\u30c8\u4ee5\u4e0a\u306e\u7a7a\u304d\u304c\u3042\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u9001\u4fe1\u5b8c\u4e86\u3092\u691c\u51fa\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u306f\u3063\u3001\u3057\u307e\u3063\u305f\u3002\u3053\u308c\u306f\u9593\u9055\u3044\u3067\u3057\u305f\u3002<\/p>\n
\u2462\u3067FIFO\u306b\u7a7a\u304d\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u30c7\u30fc\u30bf\u304c\u3059\u3079\u3066\u51fa\u3066\u3044\u3063\u305f\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002
\n\u5148\u306e\u30c7\u30fc\u30bf\u304cFIFO\u5185\u306b\u307e\u3060\u6b8b\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u2463\u3067CLEAR\u3057\u3066\u3057\u307e\u3063\u305f\u3089\u3044\u3051\u307e\u305b\u3093\u3002
\nCLEAR\u305b\u305a\u306b\u3001\u6b21\u306e\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u307e\u306a\u3044\u3068\u3002
\n\u540c\u3058\u7406\u7531\u3067\u3001\u2466\u3068\u2467\u306f\u9806\u756a\u3092\u5165\u308c\u66ff\u3048\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n
\u3055\u3089\u306b\u3001\u2465\u306b\u3064\u3044\u3066\u3082\u4e0d\u8981\u3067\u3059\u3002
\n\u305d\u306e\u3042\u3068\u306bFIFO\u66f8\u304d\u8fbc\u307f\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u3001FIFO\u306e\u72b6\u614b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u6b63\u3057\u304f\u306f\u4ee5\u4e0b\u3002<\/p>\n
------\u9001\u4fe1\u30d5\u30ed\u30fc---------
\n\u2460CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30921\u306b\u3059\u308b\u3002
\n\u2461FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u30e9\u30a4\u30c8\u5bfe\u8c61\u306e\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u306e\u30ec\u30b8\u30b9\u30bf\u5024\u201d0x2c\u201d\uff09
\n\u2462CS\u30ec\u30b8\u30b9\u30bf\u306eTXD\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064
\n\u2463FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u5148\u307b\u3069\u306e\u30ec\u30b8\u30b9\u30bf\u3078\u306e\u30e9\u30a4\u30c8\u5024\u201d0x0b\u201d\uff09
\n\u2464CS\u30ec\u30b8\u30b9\u30bf\u306eDONE\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064
\n\u2465CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x01\u3092\u66f8\u3044\u3066FIFO\u30af\u30ea\u30a2\uff08\u5ff5\u306e\u305f\u3081\u306e\u51e6\u7406\uff09
\n\u2466CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30920\u306b\u3057\u3066\u9001\u4fe1\u5b8c\u4e86\u3002
\n------------------------<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u52d5\u304b\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001Wait\u306e\u51e6\u7406\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3002\u3002\u7533\u3057\u8a33\u306a\u3044\u3002\u3002\u3002<\/p>\n
 <\/p>\n<\/div>\n<\/div><\/div>
\uff18\uff0e\u52d5\u4f5c\u7d50\u679c<\/h3>\n
\n\t
\u52d5\u4f5c\u3055\u305b\u3001\u6ce2\u5f62\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002<\/p>\n
\"\"<\/a><\/p>\n
FIFO\u306e\u9593\u9055\u3063\u305f\u51e6\u7406\u3092\u6b63\u3057\u305f\u305f\u3081\u3001\u524d\u56de\u306e\u6ce2\u5f62\u3088\u308a\u3082\u77ed\u3044\u6642\u9593\u3067\u9001\u4fe1\u5b8c\u4e86\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div><\/div>
\uff19\uff0e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n
\n\t
\u3044\u308d\u3044\u308d\u3068\u52a9\u8a00\u9802\u304d\u4fee\u6b63\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n
\n
#[no_mangle]\npub extern \"C\" fn slo_main() {\n    println!(\"Starting SPI control.\");\n\n    spi_gpio_control::init();\n    spi_control::init();\n    spi_control::senddata();\n}\n\nmod spi_gpio_control {\n    use bcm2711_pac::gpio;\n    use tock_registers::interfaces::{ReadWriteable, Writeable};\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        for pin in 8..=11 {\n            gpio_regs().gpfsel[pin \/ gpio::GPFSEL::PINS_PER_REGISTER].modify(\n                gpio::GPFSEL::pin(pin % gpio::GPFSEL::PINS_PER_REGISTER).val(gpio::GPFSEL::ALT0),\n            );\n        }\n    }\n}\n\nmod spi_control {\n    use bcm2711_pac::spi;\n    use tock_registers::interfaces::{ReadWriteable, Readable, Writeable};\n\n    fn spi_regs() -> &'static spi::Registers {\n        \/\/ Safety: SOLID for RaPi4B provides an identity mapping in this area, and we don't alter\n        \/\/ the mapping\n        unsafe { &*(spi::BASE_SPI0.to_arm_pa().unwrap() as usize as *const spi::Registers) }\n    }\n\n    pub fn init() {\n        const CLKSET: u32 = 0x00cb;\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\n    pub fn senddata() {\n        \/\/(1)CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30921\u306b\u3059\u308b\u3002\n\t\tspi_regs().cs.modify(spi::CS::TA::SET);\n\n        \/\/(2)FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u30e9\u30a4\u30c8\u5bfe\u8c61\u306e\u52a0\u901f\u5ea6\u30bb\u30f3\u30b5\u306e\u30ec\u30b8\u30b9\u30bf\u5024; \n          \u3068\u308a\u3042\u3048\u305a0x2c\u3068\u56fa\u5b9a\u3057\u3066\u304a\u304f\u3002\uff09\n        spi_regs().fifo.write(spi::FIFO::DATA.val(0x2C));\n\n        \/\/(3)CS\u30ec\u30b8\u30b9\u30bf\u306eTXD\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n\t\twhile !spi_regs().cs.is_set(spi::CS::TXD) {}\n\n        \/\/(4)FIFO\u306b\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u66f8\u304f\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff1a\u5148\u307b\u3069\u306e\u30ec\u30b8\u30b9\u30bf\u3078\u306e\u30e9\u30a4\u30c8\u5024\uff09\n        spi_regs().fifo.write(spi::FIFO::DATA.val(0x0b));\n\n        \/\/(5)CS\u30ec\u30b8\u30b9\u30bf\u306eDONE\u30d3\u30c3\u30c8\u304c1\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n        while !spi_regs().cs.is_set(spi::CS::DONE) {}\n\n        \/\/(6)CS\u30ec\u30b8\u30b9\u30bf\u306eCLEAR\u30d3\u30c3\u30c8\u306b0x01\u3092\u66f8\u3044\u3066FIFO\u30af\u30ea\u30a2\n        spi_regs().cs.modify(spi::CS::CLEAR_TX::SET);\n\n        \/\/(7)CS\u30ec\u30b8\u30b9\u30bf\u306eTA\u30d3\u30c3\u30c8\u30920\u306b\u3057\u3066\u9001\u4fe1\u5b8c\u4e86\u3002\n        spi_regs().cs.modify(spi::CS::TA::CLEAR);\n    }\n}\n<\/code><\/pre>\n<\/div>\n
\u683c\u597d\u3044\u3044\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3057\u305f\uff01
\n\uff08\u305d\u308c\u306b\u3057\u3066\u3082\u3001Ctrl-K -> Ctrl-D\u306e\u81ea\u52d5\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u6a5f\u80fd\u306b\u306f\u30d3\u30c3\u30af\u30ea\u3057\u305f\u3002\u3002\u3002\uff09<\/p>\n
\u6b21\u56de\u306f\u53d7\u4fe1\u51e6\u7406\u3092\u66f8\u3044\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>
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<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"
(2023\/1\/30) \u524d\u56de\u66f8\u3044\u305f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3084\u8a18\u4e8b\u3092\u3001\u6709\u8b58\u8005\u306e\u65b9\u306b\u30c1\u30a7\u30c3\u30af\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u3001\u305d\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u3002 \u524d\u56de\u8a18\u4e8b\u306e\u6700\u5f8c\u3067\u300c\u6b21\u56de\u306fSPI\u53d7\u4fe1\u90e8\u3092\u4f5c\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u300d\u3068\u66f8\u304d\u307e\u3057\u305f […]<\/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-6090","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6090","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=6090"}],"version-history":[{"count":0,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/posts\/6090\/revisions"}],"wp:attachment":[{"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/media?parent=6090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/categories?post=6090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solid.kmckk.com\/SOLID\/wp-json\/wp\/v2\/tags?post=6090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}