Raspberry Pi Pico \u3092\u4f7f\u3063\u3066\u30e9\u30b8\u30aa\u306e\u30a2\u30d7\u30ea\u3092\u958b\u767a\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u524d\u306f MicroPython \u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u6700\u8fd1\u306f Raspberry Pi Pico \u306e pico-sdk \u3067\u958b\u767a\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002Arduino IDE \/ PlatfoemIO \u3092\u4f7f\u7528\u3057\u3066\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u30de\u30a4\u30b3\u30f3\u30c1\u30c3\u30d7\u306e\u7406\u89e3\u5ea6\u3092\u9ad8\u3081\u305f\u304b\u3063\u305f\u306e\u3067 pico-sdk \u3067\u3084\u3063\u3066\u3044\u307e\u3059\u3002\u30e9\u30b8\u30aa\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u53d7\u4fe1\u3057\u3066\u3044\u305f\u5468\u6ce2\u6570\u3084\u97f3\u91cf\u306a\u3069\u306e\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002\u305d\u306e\u307b\u304b\u306b\u3082\u653e\u9001\u5c40\u306e\u30d7\u30ea\u30bb\u30c3\u30c8\u60c5\u5831\u306a\u3069\u3082\u8a72\u5f53\u3057\u307e\u3059\u3002MicroPython \u3067\u3084\u3063\u3066\u305f\u9803\u306f MicroPython \u306e\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u305d\u308c\u3089\u306e\u60c5\u5831\u3092\u7c21\u5358\u306b\u4fdd\u5b58\u3067\u304d\u3001PC \u306e\u958b\u767a\u30c4\u30fc\u30eb thonny ide \u306a\u3069\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u306a\u3069\u304c\u7c21\u5358\u306b\u884c\u3048\u307e\u3057\u305f\u304c\u3001pico-sdk \u3067\u3084\u308b\u5834\u5408\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u30de\u30a4\u30b3\u30f3\u306e\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u5b9a\u756a\u306f littlefs \u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002MicroPython \u3067\u3082\u305d\u3046\u3067\u3059\u3057\u3001Arduino \/ PlayformIO \u74b0\u5883\u3067\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092 pico-sdk \u304b\u3089\u4f7f\u7528\u3059\u308b\u6642\u306b\u3042\u308c\u3053\u308c\u3084\u3063\u305f\u30e1\u30e2<\/p>\n\n\n\n
\u79c1\u306e\u5834\u5408 MSYS2 Mingw64 \u74b0\u5883\u3067\u958b\u767a\u3057\u3066\u3044\u307e\u3059\u3002Mingw64 \u306e\u74b0\u5883\u306b pico-sdk \/ picotool \/ picoprobe \/ pico-project-generator \u306a\u3069 Raspberry Pi github \u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u30c4\u30fc\u30eb\u3092 git clone \u3057\u3066 pico-sdk \u306e\u74b0\u5883\u5909\u6570\u306e\u8a2d\u5b9a\u3001\u307e\u305f\u3001mingw-w64-x86_64-arm-none-eabi-gcc \u306a\u3069\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u74b0\u5883\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3069\u306f\u6e08\u307e\u305b\u3066\u3001picotool \u306a\u3069\u304c build \u51fa\u6765\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
Raspberry Pi \u516c\u5f0f\u3067 Windows \u7248\u958b\u767a\u74b0\u5883\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u3093\u306a\u306e\u516c\u958b\u3055\u308c\u308b\u524d\u306b\u958b\u767a\u74b0\u5883\u69cb\u7bc9\u306f\u7d42\u308f\u3063\u3066\u3044\u3066\u3001\u4eca\u66f4\u79fb\u884c\u3059\u308b\u306e\u304c\u9762\u5012\u306a\u305f\u3081 Mingw64 \u3067\u3084\u3063\u3066\u308b\u6b21\u7b2c\u3067\u3059\u3002<\/p>\n\n\n\n
Windows \u7248 vscode \u3092 Mingw64 \u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u304b\u3089\u8d77\u52d5\u3067\u304d\u308b\u3088\u3046 vscode \u304c Mingw64 \u306e\u74b0\u5883\u5909\u6570\u3092\u5f15\u304d\u7d99\u3050\u306e\u3067\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30d1\u30b9\u306e\u8a2d\u5b9a\u3068\u304b\u304c\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n https:\/\/github.com\/openocd-org\/openocd<\/a><\/p>\n\n\n\n openocd v0.12.0 \u304b\u3089\u306f Raspberry Pi Pico \u3082\u30de\u30fc\u30b8\u3055\u308c\u305f\u304b\u3057\u3066\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Raspberry Pi github \u306e openocd v0.11 \u306f\u4f7f\u308f\u306a\u304f\u3066\u3082\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n \u3053\u308c\u3082 git clone \u3057\u3066\u30d3\u30eb\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n configure \u306e\u7d42\u4e86\u6642\u306b\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c yes \u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002cmsis-dap \u306b yes \u304c\u4ed8\u3044\u3066\u308c\u3070 picoprobe \u304c\u4f7f\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002Msys2 \u30d1\u30c3\u30b1\u30fc\u30b8\u306e web \u3067 hidapi \u3092\u63a2\u3057\u3066 pacman \u30b3\u30de\u30f3\u30c9\u3067\u5165\u308c\u305f\u3089\u3044\u3051\u308b\u306f\u305a\u3067\u3059\u3002\u3082\u3061\u308d\u3093 libusb \u306a\u3069\u3082\u5fc5\u8981\u3067\u3059\u306e\u3067\u5165\u308c\u307e\u3059\u3002\u3053\u3053\u3089\u8fba\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n \u30de\u30a4\u30b3\u30f3\u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u9818\u57df\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3002 https:\/\/github.com\/earlephilhower\/mklittlefs<\/a><\/p>\n\n\n\n https:\/\/github.com\/littlefs-project\/littlefs<\/a><\/p>\n\n\n\n mklittlefs \u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/p>\n\n\n\n mklittlefs \u3092\u30d3\u30eb\u30c9<\/p>\n\n\n\n Error 1 \u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c mklittlefs.exe \u30d5\u30a1\u30a4\u30eb\u306f\u51fa\u6765\u3066\u3044\u307e\u3059\u3002 \u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306a\u3069\u3092\u6d88\u3059\u3060\u3051\u306a\u306e\u3067 strip \u30b3\u30de\u30f3\u30c9\u3092\u3084\u3089\u306a\u304f\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002 \u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001mklittlefs \u30b3\u30de\u30f3\u30c9\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30d3\u30eb\u30c9\u3059\u308b\u3068\u30d5\u30a1\u30a4\u30eb\u540d\u306f 32 \u6587\u5b57\u307e\u3067\u3067\u3059\u3002main.cpp \u306e #define \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n Raspberry Pi Pico \u5074\u306b littlefs \u3092\u7d44\u307f\u8fbc\u3080\u5834\u5408\u3001\u6700\u65b0\u306e littlefs \u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306f 255 \u6587\u5b57\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3059\u304c mklittle \u306b\u5408\u308f\u305b\u308b\u305f\u3081Raspberry Pi Pico \u5074\u306e\u30d3\u30eb\u30c9\u74b0\u5883\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306b -DLFS_NAME_MAX=32 \u3092\u4ed8\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n CMakeLists.txt \u3060\u3068 \u304a\u52e7\u3081\u3057\u307e\u305b\u3093\u304c lfs.h \u306e #define LFS_NAME_MAX 255 \u3092\u76f4\u63a5\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n Raspberry Pi Pico \u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u30d1\u30e9\u30e1\u30bf\u306f hardware\/flash.h \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n Raspberry Pi Pico \u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u30b5\u30a4\u30ba\u306f 2MB \u306a\u306e\u3067\u300164kB \u3067\u5272\u308b\u3068\u5408\u8a0832\u30d6\u30ed\u30c3\u30af\u3042\u308a\u307e\u3059\u3002\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30fc\u30c9\u306f\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u5148\u982d\u5074\u304b\u3089\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u304c\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u5f8c\u308d\u306e\u65b9\u306f\u5927\u62b5\u672a\u4f7f\u7528\u9818\u57df\u3068\u306a\u308a\u307e\u3059\u3002littlefs \u3067\u78ba\u4fdd\u3059\u308b\u9818\u57df\u3092 128k \uff08BLOCK 30,31\uff09\u3068\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n \u3053\u308c\u3067 littlefs \u306e\u30a4\u30e1\u30fc\u30b8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n picotool \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f Raspberry Pi Pico \u306e BOOTSEL \u3092\u62bc\u3057\u306a\u304c\u3089\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3068 windows \u306b Rasoberry Pi Pico \u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n picotool \u30b3\u30de\u30f3\u30c9\u306e load \u3067 littlefs \u306e\u30a4\u30e1\u30fc\u30b8\u304c Raspberry Pi Pico \u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u9818\u57df\u306e\u5f8c\u308d 128k \u5206\u306b\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n openocd \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/p>\n\n\n\n openocd \u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001openocd \u306e\u30d7\u30ed\u30bb\u30b9\u306b TeraTerm \u306a\u3069\u304b\u3089 localhost:3333 \u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u63a5\u7d9a\u304c\u51fa\u6765\u305f\u3089<\/p>\n\n\n\n \u3068\u3044\u3046\u8868\u793a\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n https:\/\/github.com\/lurk101\/pico-littlefs<\/a><\/p>\n\n\n\n \u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u306e\u306f\u53e4\u3044 littlefs \u7528\u306a\u306e\u3067\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u305b\u3093\u304c\u3001\u53c2\u8003\u306b\u306f\u306a\u308a\u307e\u3059\u3002Raspberry Pi Pico \u306e littlefs \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u30b5\u30f3\u30d7\u30eb\u3060\u3051\u306f\u63b2\u8f09\u3057\u306a\u3044\u3068\u5206\u304b\u3089\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u4e0b\u8a18\u306b\u4e57\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n ls \u30b3\u30de\u30f3\u30c9\u306e\u4f8b\u3067\u3059\u3002\u3069\u3053\u304b\u304b\u3089\u62fe\u3063\u3066\u304d\u307e\u3057\u305f\u3002lfs_ls(“\/”); \u306e\u3088\u3046\u306b\u3064\u304b\u3044\u307e\u3059\u3068\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u306b\u30d5\u30a1\u30a4\u30eb\u4e00\u89a7\u304c\u51fa\u307e\u3059\u3002<\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" Raspberry Pi Pico \u3092\u4f7f\u3063\u3066\u30e9\u30b8\u30aa\u306e\u30a2\u30d7\u30ea\u3092\u958b\u767a\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u524d\u306f MicroPython \u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u6700\u8fd1\u306f Raspberry Pi Pico \u306e pico-sdk \u3067\u958b\u767a\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e … “Raspberry Pi Pico \u3067 littlefs” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[490,479],"class_list":["post-8196","post","type-post","status-publish","format-standard","hentry","category-kousaku","tag-littlefs","tag-raspberry-pi-pico"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/posts\/8196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8196"}],"version-history":[{"count":2,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/posts\/8196\/revisions"}],"predecessor-version":[{"id":8206,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=\/wp\/v2\/posts\/8196\/revisions\/8206"}],"wp:attachment":[{"href":"https:\/\/mkusunoki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mkusunoki.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
PATH \u74b0\u5883\u5909\u6570\u306b \/c\/Users\/\u30e6\u30fc\u30b6\u30fc\u540d\/AppData\/Local\/Programs\/Microsoft VS Code \u3092 .bashrc \u306b\u8ffd\u8a18\u3002\u307e\u305f\u3001alias vscode='code 1>\/dev\/null 2>\/dev\/null'<\/code>
\u3092 .bashrc \u306b\u8ffd\u8a18\u3057 vscode \u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u540d\u3067\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u958b\u304f\u72b6\u614b\u3067\u8d77\u52d5\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002$ cd \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a9\u30eb\u30c0\u30fc
$ vscode . &<\/code><\/p>\n\n\n\nopenocd<\/h2>\n\n\n\n
$ git clone https:\/\/github.com\/openocd-org\/openocd.git\n$ cd openocd\n$ .\/bootstrap\n$ .\/configure --prefix=\/usr\/local\n<\/code><\/pre>\n\n\n\nmklittlefs<\/h2>\n\n\n\n
Arduino IDE \u3084 PlatformIO \u3067\u306f\u6614\u304b\u3089\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n$ git clone https:\/\/github.com\/earlephilhower\/mklittlefs.git\n$ cd mklittlefs\n$ git submodule update --init\nSubmodule 'littlefs' (https:\/\/github.com\/ARMmbed\/littlefs) registered for path 'littlefs'\nCloning into '\/home\/masahiro\/work\/mklittlefs\/littlefs'...\nSubmodule path 'littlefs': checked out '6a53d76e90af33f0656333c1db09bd337fa75d23'\n\n$ git log --oneline\n6a53d76 (HEAD, tag: v2.5.1) Merge pull request #744 from littlefs-project\/fix-fetchmatch-err-path\n\n\u30d0\u30fc\u30b8\u30e7\u30f3 2.5.1 \u304c\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u3055\u308c\u307e\u3059\u304c\u3001\u6700\u65b0\u7248\u3092\u4f7f\u7528\u3057\u305f\u3044\u306e\u3067 master \u30d6\u30e9\u30f3\u30c1\u3092\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\n$ git checkout master\n$ git log --oneline\nf53a0cc (HEAD -> master, tag: v2.9.0, origin\/v2, origin\/master, origin\/HEAD) Merge pull request #929 from littlefs-project\/devel\n\nlittlefs \u30d0\u30fc\u30b8\u30e7\u30f3 2.9.0 \u306b\u306a\u3063\u305f\u3002<\/code><\/pre>\n\n\n\n$ cd ..\n$ make\ng++ -std=gnu++11 -Os -Wall -Wextra -Werror -Itclap -Iinclude -Ilittlefs -I. -D VERSION=\\\"0.2.3-64-g6e2fa17\\\" -D LITTLEFS_VERSION=\\\"v2.9.0\\\" -D BUILD_CONFIG=\\\"\\\" -D BUILD_CONFIG_NAME=\\\"-generic\\\" -D __NO_INLINE__ -D LFS_NAME_MAX=32 -c -o main.o main.cpp\ncc -std=gnu99 -Os -Wall -Wextra -Werror -Itclap -Iinclude -Ilittlefs -I. -D VERSION=\\\"0.2.3-64-g6e2fa17\\\" -D LITTLEFS_VERSION=\\\"v2.9.0\\\" -D BUILD_CONFIG=\\\"\\\" -D BUILD_CONFIG_NAME=\\\"-generic\\\" -D __NO_INLINE__ -D LFS_NAME_MAX=32 -c -o littlefs\/lfs.o littlefs\/lfs.c\ncc -std=gnu99 -Os -Wall -Wextra -Werror -Itclap -Iinclude -Ilittlefs -I. -D VERSION=\\\"0.2.3-64-g6e2fa17\\\" -D LITTLEFS_VERSION=\\\"v2.9.0\\\" -D BUILD_CONFIG=\\\"\\\" -D BUILD_CONFIG_NAME=\\\"-generic\\\" -D __NO_INLINE__ -D LFS_NAME_MAX=32 -c -o littlefs\/lfs_util.o littlefs\/lfs_util.c\ng++ main.o littlefs\/lfs.o littlefs\/lfs_util.o -o mklittlefs\nstrip mklittlefs\nC:\\msys64\\mingw64\\bin\\strip.exe: 'mklittlefs': No such file\nmake: *** [Makefile:96: mklittlefs] Error 1<\/code><\/pre>\n\n\n\n
\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f Mingw64 \u74b0\u5883\u3067\u306f\u30d3\u30eb\u30c9\u3057\u305f\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u540d\u306f mklittlefs.exe \u3067\u3059\u304c\u3001Linux \u74b0\u5883\u3067\u30d3\u30eb\u30c9\u3057\u305f\u3089\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u540d mklittlefs \u3067\u3059\u3002 .exe \u304c\u4ed8\u304f\u305f\u3081 strip \u30b3\u30de\u30f3\u30c9\u304c\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u3092\u51fa\u3059\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n$ cp mklittlefs.exe \/usr\/local\/bin<\/code>
\u306a\u3069\u30d1\u30b9\u306e\u901a\u3063\u3066\u3044\u308b\u5834\u6240\u306b\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u914d\u7f6e\u3059\u308c\u3070\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n
add_compile_definitions(LFS_NAME_MAX=32)
\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067 arm-non-eabi-gcc \/ arm-none-eabi-g++ \u5b9f\u884c\u6642\u306b -DLFS_NAME_MAX=32 \u304c\u4ed8\u4e0e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\nlittlefs \u306e\u30a4\u30e1\u30fc\u30b8\u4f5c\u6210<\/h2>\n\n\n\n
\n
$ mkdir temp\n$ cd temp\nlittlefs \u306b\u66f8\u304d\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3059\u308b\n$ cd ..\n$ mklittlefs -b 4096 -p 256 -s 131072 -c .\/temp \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d\n-s 131072 \u306f 128kB \u3092\u8868\u3057\u307e\u3059\u3002\n$ mklittlefs -l \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d\n\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u8868\u793a\u3055\u308c\u308b<\/code><\/pre>\n\n\n\n\u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u3092 Raspberry Pi Pico \u306e\u30d5\u30e9\u30c3\u30b7\u30e5\u9818\u57df\u306b\u66f8\u304d\u8fbc\u3080<\/h2>\n\n\n\n
$ picotool load -v -x \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d -t bin -o 101e0000<\/code><\/pre>\n\n\n\n$ openocd -f interface\/cmsis-dap.cfg -f target\/rp2040.cfg -c \"adapter speed 5000\" -c \"bindto 0.0.0.0\"<\/code><\/pre>\n\n\n\nOpen On-Chip Debugger\n><\/code><\/pre>\n\n\n\n\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u505c\u6b62\u3059\u308b\n> halt\n\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u306e\u78ba\u8a8d(\u4efb\u610f)\n> flash banks\n> flash list\n> flash probe 0\n> flash probe 1\n\n\u66f8\u304d\u8fbc\u3080\u9818\u57df\u3092\u6d88\u53bb\u3059\u308b\n> flash erase_address 0x101e0000 0x20000\n\n\u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u8fbc\u3080\n> flash write_bank 0 \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d 0x1e0000\n\n\u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u3092\u30d9\u30ea\u30d5\u30a1\u30a4\u3059\u308b\n> flash verify_bank 0 \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d 0x1e0000\n\n\u3053\u308c\u3067 littlefs \u306e\u30a4\u30e1\u30fc\u30b8\u66f8\u304d\u8fbc\u307f\u3067\u304d\u307e\u3059\u3002\n\n\u66f8\u304d\u8fbc\u307f\u3068\u306f\u9006\u306b\u8aad\u307f\u51fa\u3057\u306f read_bank \u3067\u8aad\u307f\u51fa\u3057\u307e\u3059\u3002\n> flash read_bank 0 \u30a4\u30e1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u540d 0x1e0000 0x20000\n\n\u3064\u3044\u3067\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\u66f8\u304d\u305f\u3044\u5834\u5408\u306f\n> program \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\/build\/\u30d7\u30ed\u30b0\u30e9\u30e0\u30d5\u30a1\u30a4\u30eb\u540d.elf verify reset\n<\/code><\/pre>\n\n\n\nRaspberry Pi Pico \u5074<\/h2>\n\n\n\n
\/**\n * @file lfs_wrapper.c\n*\/\n#include \"pico\/stdlib.h\"\n#include \"hardware\/flash.h\"\n#include \"hardware\/sync.h\"\n#include \"lfs_wrapper.h\"\n#define LFS_NAME_MAX 32\n#include \"littlefs\/lfs.h\"\n\n#define FS_SIZE ( 128 * 1024 )\nconst char* FS_BASE = (char*)(PICO_FLASH_SIZE_BYTES - FS_SIZE);\n\nlfs_t lfs;\nlfs_file_t file;;\n\nstatic int pico_flash_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, void* buffer, lfs_size_t size);\nstatic int pico_flash_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void* buffer, lfs_size_t size);\nstatic int pico_flash_erase(const struct lfs_config *c, lfs_block_t block);\nstatic int pico_flash_sync(const struct lfs_config *c);\nstatic int pico_lock(void);\nstatic int pico_unlock(void);\n\n\/\/ configuration of the filesystem is provided by this struct\n\/\/ for Pico: prog size = 256, block size = 4096, so cache is 8K\n\/\/ minimum cache = block size, must be multiple\nconst struct lfs_config pico_cfg = \n{\n \/\/ block device operations\n .read = pico_flash_read,\n .prog = pico_flash_prog,\n .erase = pico_flash_erase,\n .sync = pico_flash_sync,\n#if LIB_PICO_MULTICORE\n .lock = pico_lock,\n .unlock = pico_unlock,\n#endif\n \/\/ block device configuration\n .read_size = 1,\n .prog_size = FLASH_PAGE_SIZE,\n .block_size = FLASH_SECTOR_SIZE,\n .block_count = FS_SIZE \/ FLASH_SECTOR_SIZE,\n .cache_size = FLASH_SECTOR_SIZE \/ 4,\n .lookahead_size = 32,\n .block_cycles = 500\n};\n\nstatic int pico_flash_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, void* buffer, lfs_size_t size)\n{\n memcpy(buffer, FS_BASE + XIP_BASE + (block * pico_cfg.block_size) + offset, size);\n return LFS_ERR_OK;\n}\n\nstatic int pico_flash_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t offset, const void *buffer, lfs_size_t size)\n{\n uint32_t p = (uint32_t)FS_BASE + (block * pico_cfg.block_size) + offset;\n uint32_t ints = save_and_disable_interrupts();\n flash_range_program(p, (uint8_t *)buffer, size);\n restore_interrupts(ints);\n return LFS_ERR_OK;\n}\n\nstatic int pico_flash_erase(const struct lfs_config *c, lfs_block_t block)\n{\n uint32_t p = (uint32_t)FS_BASE + block * pico_cfg.block_size;\n uint32_t ints = save_and_disable_interrupts();\n flash_range_erase(p, pico_cfg.block_size);\n restore_interrupts(ints);\n return LFS_ERR_OK;\n}\n\nstatic int pico_flash_sync(const struct lfs_config *c)\n{\n asm(\"NOP\");\n return LFS_ERR_OK;\n}\n\n#if LIB_PICO_MULTICORE\nstatic recursive_mutex_t fs_mtx;\nstatic int pico_lock(void) {\n recursive_mutex_enter_blocking(&fs_mtx);\n return LFS_ERR_OK;\n}\n\nstatic int pico_unlock(void) {\n recursive_mutex_exit(&fs_mtx);\n return LFS_ERR_OK;\n}\n#endif\n<\/code><\/pre>\n\n\n\nint lfs_ls(const char *path)\n{\n lfs_dir_t dir;\n int err = lfs_dir_open(&lfs, &dir, path);\n if (err)\n {\n return err;\n }\n\n struct lfs_info info;\n while (true)\n {\n int res = lfs_dir_read(&lfs, &dir, &info);\n if (res < 0)\n {\n return res;\n }\n\n if (res == 0)\n {\n break;\n }\n\n switch (info.type)\n {\n case LFS_TYPE_REG: printf(\"reg \"); break;\n case LFS_TYPE_DIR: printf(\"dir \"); break;\n default: printf(\"? \"); break;\n }\n\n static const char *prefixes[] = {\"\", \"K\", \"M\", \"G\"};\n for (int i = sizeof(prefixes)\/sizeof(prefixes[0])-1; i >= 0; i--) \n {\n if (info.size >= (1 << 10*i)-1)\n {\n printf(\"%*u%sB \", 4-(i != 0), info.size >> 10*i, prefixes[i]);\n break;\n }\n }\n\n printf(\"%s\\n\", info.name);\n }\n\n err = lfs_dir_close(&lfs, &dir);\n if (err) {\n return err;\n }\n\n return 0;\n}<\/code><\/pre>\n\n\n\n