龙芯1B搭建qt开发环境的笔记.doc

1. 运行触屏校准时提示selected device is not a touchscreen I understand32. 运行校准程序时提示No raw modules loaded63. 编译时提示未定义8版本更新日期更新内容维护人V1.02013.12,17创建重庆-简单V1.12013.12.20修正了章节标题和内容不一致的问题重庆-简单V1.22014.04.08修正了龙芯1B触摸屏不能使用的问题南京-砖家1. 运行触屏校准时提示selected device is not a touchscreen I understand按照龙芯1B开发板用户手册的步骤（注：禁止配置 Device Derivers - SPI support - SPI Controller 1 可能会引起屏幕不能用 ），搭建了开发环境，到了再开发板上运行校准程序时，提示如下/test # $TSLIB_ROOT/bin/ts_calibratexres = 480, yres = 272selected device is not a touchscreen I understandTook 2 samples.Top left : X = 3797726 Y = 2Took 2 samples.Top right : X = 3797726 Y = 2Took 2 samples.Bot right : X = 3797726 Y = 2Took 2 samples.Bot left : X = 3797726 Y = 2Took 2 samples.Center : X = 3797726 Y = 2ts_calibrate: determinant is too small - 0.000000Calibration failed.注：出现上面问题需要将 交叉编译器 中的 gcc-/mipsel-linux/mipsel-linux/include/linux/input.h 中 37行 EV_VERSION 由 0x010000 改为 0x010001 重新编译内核 进入shellrootLoongson-gz:/#cat /dev/event0 点击屏幕输出乱码则说明屏幕可以用然后重新编译tslib 重新进行移植2. 运行校准程序时提示No raw modules loaded按照龙芯1B开发板用户手册上的步骤搭建QT开发环境，到了在开发板上运行校准程序这一步时，提示下面错误/test # $TSLIB_ROOT/bin/ts_calibrateNo raw modules loaded.ts_config: No such file or directory需要修改TSLIB/ts.conf rootlocalhost LS1Brootfs# cat TSLIB/etc/ts.conf # Uncomment if you wish to use the linux input layer event interfacemodule_raw input rootlocalhost LS1Brootfs# 3. 编译时提示未定义参照龙芯1B开发板用户手册搭建了qt开发环境，刚开始一切正常，没有报什么错误，直到编译qt的示例程序“calculator”时，提示如下错误/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_close未定义的引用/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_config未定义的引用/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_read未定义的引用/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_read_raw未定义的引用/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_open未定义的引用/usr/local/Trolltech/QtEmbedded-4.7.1-mips/lib/libQtGui.so：对ts_fd未定义的引用collect2: ld returned 1 exit statusmake: * calculator 错误 1 修改“mkspecs/qws/linux-mips-g+/qmake.conf ”注意是小写的-LTS。修改后的内容如下： 1 # 2 # qmake configuration for building with mipsel-linux-g+ 3 # 4 5 include(././common/g+.conf) 6 include(././common/linux.conf) 7 include(././common/qws.conf) 8 9 # modifications to g+.conf 10 QMAKE_CC = mipsel-linux-gcc -lts 11 QMAKE_CXX = mipsel-linux-g+ -lts 12 QMAKE_CFLAGS += -mips32 13 QMAKE_CXXFLAGS += -mips32 14 QMAKE_LINK = mipsel-linux-g+ -lts 15 QMAKE_LINK_SHLIB = mipsel-linux-g+ -lts 16 17 # modifications to linux.conf 18 QMAKE_AR = mipsel-linu