{"id":169,"date":"2017-08-11T14:20:08","date_gmt":"2017-08-11T06:20:08","guid":{"rendered":"http:\/\/www.sinkland.cn\/?p=169"},"modified":"2019-08-17T15:04:57","modified_gmt":"2019-08-17T07:04:57","slug":"smlos%e4%b8%83-ps2%e9%bc%a0%e6%a0%87%e9%94%ae%e7%9b%98%e5%8a%9f%e8%83%bd%e6%94%af%e6%8c%81","status":"publish","type":"post","link":"http:\/\/www.sinkland.cn\/?p=169","title":{"rendered":"SmlOS\u4e03-PS2\u9f20\u6807\u952e\u76d8\u529f\u80fd\u652f\u6301"},"content":{"rendered":"

\u6211\u4eec\u524d\u9762\u5df2\u7ecf\u8fdb\u884c\u4e86\u9f20\u6807\u952e\u76d8\u4e2d\u65ad\u76f8\u5173\u7684\u8bbe\u7f6e\uff0c\u4f46\u662f\u8fd9\u8fd8\u4e0d\u591f\u3002<\/p>\n

\u5728\u5bf9\u952e\u76d8\u548c\u9f20\u6807\u64cd\u4f5c\u4e4b\u524d\uff0c\u9700\u8981\u6fc0\u6d3b\u952e\u76d8\u63a7\u5236\u5668\uff0c\u5b83\u4eec\u8d1f\u8d23\u4e8e\u9f20\u6807\u548c\u952e\u76d8\u901a\u4fe1\uff0c\u4e0d\u5f00\u542f\u5b83\u4eec\uff0c\u6211\u4eec\u65e0\u6cd5\u6536\u5230\u9f20\u6807\u952e\u76d8\u7684\u4e2d\u65ad\u4fe1\u53f7\u3002<\/p>\n

i8042 \u952e\u76d8\u63a7\u5236\u5668\u4ecb\u7ecd<\/h4>\n

\n intel 8042 \u82af\u7247\uff0c\u4f4d\u4e8e\u4e3b\u677f\u4e0a\uff0cCPU \u901a\u8fc7 IO \u7aef\u53e3\u76f4\u63a5\u548c\u8fd9\u4e2a\u82af\u7247\u901a\u4fe1\uff0c\u83b7\u5f97\u6309\u952e\u7684\u626b\u63cf\u7801\u6216\u8005\u53d1\u9001\u5404\u79cd\u952e\u76d8\u547d\u4ee4\u3002\n<\/p><\/blockquote>\n

\u952e\u76d8\u63a7\u5236\u5668\u662f\u5916\u90e8\u8bbe\u5907\uff0c\u9700\u8981\u4f7f\u7528OUT\u6307\u4ee4\u8fdb\u884c\u521d\u59cb\u5316\uff0c\u4e0e\u4e4b\u524d\u7684\u5916\u90e8\u8bbe\u5907\u64cd\u4f5c\u7c7b\u4f3c\u3002<\/p>\n

\/\/\u7aef\u53e3\u5e38\u91cf\n#define PORT_KEYDAT             0x0060        \/\/ i8042\u7684\u6570\u636e\u7aef\u53e3\u53f7 \n#define PORT_KEYSTA             0x0064        \/\/ i8042\u7684\u72b6\u6001\u7aef\u53e3\u53f7 \n#define KEYSTA_SEND_NOTREADY    0x02          \/\/ \u7528\u6765\u5224\u65adi8042\u7684\u8f93\u5165\u7f13\u51b2\u533a\u662f\u5426\u6ee1 \n#define KEYCMD_WRITE_MODE       0x60          \/\/ \u53d1\u9001\u7ed9i8042\u7684\u547d\u4ee4 \u4e0b\u9762\u6709\u8be6\u7ec6\u89e3\u91ca \n#define KBC_MODE                0x47          \/\/ \u5c06\u88ab\u8bbe\u7f6e\u4e3ai8042\u7684\u63a7\u5236\u5bc4\u5b58\u5668\u7684\u503c \n\n\/\/\u521d\u59cb\u5316\u952e\u76d8\u63a7\u5236\u7535\u8def\nvoid Init_Keyboard(void)\n{\n    \/\/\u7b49\u5f85i8042\u7684\u8f93\u5165\u7f13\u51b2\u533a\u6e05\u7a7a \n    wait_KBC_sendready();      \n\n    \/\/\u8be5\u547d\u4ee4\u8868\u793a\u51c6\u5907\u5199\u5165i8042\u7684\u63a7\u5236\u5bc4\u5b58\u5668\n    io_out8(PORT_KEYCMD, KEYCMD_WRITE_MODE); \n\n    \/\/\u7b49\u5f85i8042\u7684\u8f93\u5165\u7f13\u51b2\u533a\u6e05\u7a7a       \n    wait_KBC_sendready();   \n\n    \/\/\u5141\u8bb8\u9f20\u6807\u4e2d\u65ad\u548c\u952e\u76d8\u4e2d\u65ad \n    io_out8(PORT_KEYDAT, KBC_MODE);\n    return;\n}\n<\/code><\/pre>\n
\u6fc0\u6d3b\u5b8c\u63a7\u5236\u5668\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u6536\u5230\u9f20\u6807\u952e\u76d8\u4e2d\u65ad\u3002<\/p>\n
\u6211\u4eec\u9700\u8981\u5bf9\u9f20\u6807\u952e\u76d8\u6570\u636e\u7684\u89e3\u6790\u3002<\/p>\n
\u952e\u76d8\u6570\u636e\u7684\u89e3\u6790\u53ea\u662f\u63a5\u53d7\u5230\u4e00\u4e2a\u5b57\u8282\u7684\u5185\u5bb9\uff0c\u5728\u4e2d\u65ad\u7a0b\u5e8f\u91cc\u5b58\u5165fifo\u7f13\u51b2\u533a\u540e\u7acb\u5373\u9000\u51fa\uff0c\u6bd4\u8f83\u7b80\u5355\u3002<\/p>\n
\u800c\u9f20\u6807\u6570\u636e\u7684\u89e3\u6790\uff0c\u5219\u7565\u5fae\u590d\u6742\uff0c\u8fd9\u91cc\u8bb2\u89e3\u4e0b\u9f20\u6807\u6570\u636e\u7684\u89e3\u6790\u3002<\/p>\n
\u4e00\u6b21\u9f20\u6807\u64cd\u4f5c\u4f1a\u4ea7\u751f\u4e09\u4e2a\u4e2d\u65ad\uff0c\u5206\u522b\u662f\uff1a<\/p>\n
    \n
  • \u9f20\u6807\u7684\u6309\u952e\u4fe1\u606f<\/p>\n<\/li>\n
  • \n
    \u9f20\u6807\u79fb\u52a8\u7684\u6a2a\u5750\u6807\u504f\u79fb<\/p>\n<\/li>\n
  • \n
    \u9f20\u6807\u79fb\u52a8\u7684\u7eb5\u5750\u6807\u504f\u79fb<\/p>\n<\/li>\n<\/ul>\n
    \u6211\u4eec\u7528\u4e86\u4e00\u4e2a\u7ed3\u6784\u4f53\u5b58\u653e\u9f20\u6807\u4e2d\u65ad\u4ea7\u751f\u7684\u4fe1\u606f:<\/p>\n
    \/\/ \u9f20\u6807\u7f13\u51b2\u533a\u7ed3\u6784\n struct MOUSE_DEC \n{\n    unsigned char buf[3], phase;\n    int x, y, btn;\n};\n<\/code><\/pre>\n
    \u8fd9\u91cc\u89e3\u91ca\u4e0b\u9f20\u6807\u6570\u636e \u7b2c\u6a2a\u7eb5\u5750\u6807\u7684\u89e3\u6790\u3002<\/p>\n
    \u5728mdec\u9f20\u6807\u63cf\u8ff0\u7ed3\u6784\u4f53\u4e2d\uff0cmdec->x\uff0cmdec->y\u4e2d\u653e\u7684\u662f\u8865\u7801<\/p>\n
    \u8865\u7801\u77e5\u8bc6\u70b9\u56de\u987e\uff1a<\/p>\n
    \n  \u8865\u7801\u7684\u8868\u793a\u65b9\u6cd5\u662f:<\/p>\n
      \u6b63\u6570\u7684\u8865\u7801\u5c31\u662f\u5176\u672c\u8eab<\/p>\n
      \u8d1f\u6570\u7684\u8865\u7801\u662f\u5728\u5176\u539f\u7801\u7684\u57fa\u7840\u4e0a, \u7b26\u53f7\u4f4d\u4e0d\u53d8, \u5176\u4f59\u5404\u4f4d\u53d6\u53cd, \u6700\u540e+1. (\u5373\u5728\u53cd\u7801\u7684\u57fa\u7840\u4e0a+1)\n<\/p><\/blockquote>\n
    \u6211\u4eec\u901a\u8fc7\u4e0d\u540c\u9636\u6bb5\u7684\u5224\u65ad\u628a\u76f8\u5e94\u4fe1\u606f\uff0c\u586b\u5165\u4e86MOUSE_DEC\u7ed3\u6784\u4f53<\/p>\n
    \u89e3\u6790\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b:<\/p>\n
    \/* \u63a5\u6536\u9f20\u6807\u6570\u636e *\/\nint Mouse_Decode(struct MOUSE_DEC *mdec, unsigned char dat)\n{\n    if (mdec->phase == 0)\n    {\n       \/\/ \u7b49\u5f85\u9f20\u6807\u76840xfa\u9636\u6bb5 \n       if (dat == 0xfa)\n       {     \n           mdec->phase = 1;\n       }\n       return 0;\n    }\n    if (mdec->phase == 1)\n    {\n       \/\/ \u7b49\u5f85\u9f20\u6807\u7684\u7b2c\u4e00\u5b57\u8282\u9636\u6bb5\n       if ((dat & 0xc8) == 0x08) \n       {\n           mdec->buf[0] = dat; \n           mdec->phase = 2;\n       }\n       return 0;\n    }\n    if (mdec->phase == 2)\n    {\n       \/\/ \u7b49\u5f85\u9f20\u6807\u7684\u7b2c\u4e8c\u5b57\u8282\u9636\u6bb5 \n       mdec->buf[1] = dat;\n       mdec->phase = 3;\n       return 0;\n    }\n    if (mdec->phase == 3)\n    {\n       \/\/ \u7b49\u5f85\u9f20\u6807\u7684\u7b2c\u4e09\u5b57\u8282\u9636\u6bb5 \n       mdec->buf[2] = dat;\n       mdec->phase = 1;          \n\n       \/\/ \u53d6BYTE1\u7684\u4f4e3\u4f4d \u6309\u952e\u72b6\u6001 \n       mdec->btn = mdec->buf[0] & 0x07;   \n\n       \/\/ \u4fdd\u5b58x,y\u7684\u4f4d\u79fb\n       mdec->x = mdec->buf[1];            \n       mdec->y = mdec->buf[2];     \n\n       \/\/ \u5224\u65adx\u7684\u7b26\u53f7\u4f4d\n       if ((mdec->buf[0] & 0x10) != 0)\n       {         \n           mdec->x |= 0xffffff00;\n       }\n\n       \/\/ \u5224\u65ady\u7684\u7b26\u53f7\u4f4d\n       if ((mdec->buf[0] & 0x20) != 0)\n       { \n           mdec->y |= 0xffffff00;\n       }                \n\n       \/\/ \u9f20\u6807\u7684y\u65b9\u5411\u4e0e\u753b\u9762\u7b26\u53f7\u76f8\u53cd \n       mdec->y = - mdec->y; \n       return 1;\n    }\n    return -1; \n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
    \u6211\u4eec\u524d\u9762\u5df2\u7ecf\u8fdb\u884c\u4e86\u9f20\u6807\u952e\u76d8\u4e2d\u65ad\u76f8\u5173\u7684\u8bbe\u7f6e\uff0c\u4f46\u662f\u8fd9\u8fd8\u4e0d\u591f\u3002 \u5728\u5bf9\u952e\u76d8\u548c\u9f20\u6807\u64cd\u4f5c\u4e4b\u524d\uff0c\u9700\u8981\u6fc0\u6d3b\u952e\u76d8\u63a7\u5236\u5668\uff0c\u5b83\u4eec\u8d1f\u8d23 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/posts\/169"}],"collection":[{"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169"}],"version-history":[{"count":2,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":171,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions\/171"}],"wp:attachment":[{"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sinkland.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}