|
按照 《基于OMAPL138开发板的Linux Qt图像界面开发教程》 里面的步骤移植tslib1.4到omapl138开发板环境,运行tslib/bin/目录下的程序均报selected device is not a touchscreen I understand错误,百度搜索了一下是tslib驱动和触摸屏兼容问题,出错地方在以下代码段,能否指点一下对于以下tslib代码中的判断条件,去到 omapl138代码中的哪些文件和代码中去找问题。创龙有没有完整的指导触摸屏驱动和tslib移植匹配的文档,请发给我一份。 if (! ((ioctl(ts->fd, EVIOCGVERSION, &version) >= 0) &&02.(version == EV_VERSION) &&7 ?! w+ A( R; Y( ?6 E5 I
03.(ioctl(ts->fd, EVIOCGBIT(0, sizeof(bit) * 8), &bit) >= 0) &&6 z0 ?# l, ]% ]5 Z$ p
04.(bit & (1 << EV_ABS)) &&
0 ~, g% B' t) t a5 h; l05.(ioctl(ts->fd, EVIOCGBIT(EV_ABS, sizeof(absbit) * 8), &absbit) >= 0) &&
9 r- J/ u4 {0 i( T+ C06.(absbit & (1 << ABS_X)) &&
2 Q& b5 s' f: s# G# u5 m07.(absbit & (1 << ABS_Y)) && (absbit & (1 << ABS_PRESSURE)))) {$ f- i/ l. T0 V$ @
08.fprintf(stderr, "selected device is not a touchscreen I understand
! X, i2 O- w E7 C09.");; a V6 ?4 x, b8 k0 a% _) ^5 [+ R: d
10.return -1;
# x1 f e# p A11.}. }( L ]: U: J, l. O; h6 Z
& S* b7 ~! s" x8 ?
" o8 p0 ]/ L: C8 K) v2 O
+ Y$ O/ V2 P! ?, P1 E |
|