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http://habrahabr.ru/post/139384http://electronics.stackexchange.com/questions/100685/full-duplex-slave-spi-dma-and-interrupts-on-stm32f103https://my.s... 阅读全文
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http://www.kookle.co.nr/ 阅读全文
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丝杆螺距2mm,步进电机1.8度8细分,1600脉冲/圈,800脉冲/mm 阅读全文
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把QString转换为 double类型方法1.QString str="123.45";double val=str.toDouble(); //val=123.45方法2.很适合科学计数法形式转换bool ok;double d;d=QString("1234.56e-02").toDouble... 阅读全文
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准备工作,在系统环境变量中增加如下项目:path=C:\Qt\Qt5.3.0\5.3\mingw482_32\bin;C:\Qt\Qt5.3.0\Tools\mingw482_32\bin;%path%QT_PLUGIN_PATH C:\Qt\qwt-6.1.0\plugins QTDIR ... 阅读全文
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QW在QT Creator控件中显示:copy qwt/lib/* %SDK%/QtCreator/lib/qtcreator/copy qwt/designer/plugins/designer/* %SDK%/QtCreator/lib/qtcreator/plugins/designerhtt... 阅读全文
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http://blog.csdn.net/rockettip/article/details/19164025 阅读全文
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QNX Product Documentationhttp://www.qnx.com/developers/docs/index.htmlThis folder contains PDF versions of the documentation for the QNX Software Deve... 阅读全文
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http://v2.cclien.net/phpBB2/viewtopic.php?t=436 阅读全文
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http://blog.csdn.net/pankul/article/details/8636481 阅读全文