1.3.5
00001 00009 /* 00010 * The contents of this file are subject to the Mozilla Public License 00011 * Version 1.0 (the "License"); you may not use this file except in 00012 * compliance with the License. You may obtain a copy of the License 00013 * at http://www.mozilla.org/MPL/ 00014 * 00015 * Software distributed under the License is distributed on an "AS IS" 00016 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 00017 * the License for the specific language governing rights and 00018 * limitations under the License. 00019 * 00020 * The Original Code is legOS code, released October 17, 1999. 00021 * 00022 * The Initial Developer of the Original Code is Markus L. Noga. 00023 * Portions created by Markus L. Noga are Copyright (C) 1999 00024 * Markus L. Noga. All Rights Reserved. 00025 * 00026 * Contributor(s): Markus L. Noga <markus@noga.de> 00027 */ 00028 00029 #ifndef __dbutton_h__ 00030 #define __dbutton_h__ 00031 00032 #ifdef __cplusplus 00033 extern "C" { 00034 #endif 00035 00037 // 00038 // Definitions 00039 // 00041 00042 #define BUTTON_ONOFF 0x0002 00043 #define BUTTON_RUN 0x0004 00044 #define BUTTON_VIEW 0x4000 00045 #define BUTTON_PROGRAM 0x8000 00046 00047 // buttons are active low 00048 // 00049 00051 // 00052 #define RELEASED(state,button) ((state) & (button)) 00053 00055 // 00056 #define PRESSED(state,button) (!RELEASED(state,button)) 00057 00059 // 00060 // Functions 00061 // 00063 00065 00067 extern inline int dbutton(void) 00068 { 00069 int rv; 00070 __asm__ __volatile__("\n\ 00071 mov.b @_PORT4,%0l\n\ 00072 mov.b @_PORT7,%0h\n\ 00073 " :"=r"(rv) // output 00074 : // input 00075 :"cc" // clobbered 00076 ); 00077 00078 return rv; 00079 } 00080 00081 #ifdef __cplusplus 00082 } 00083 #endif 00084 00085 #endif // __dbutton_h__
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brickOS is released under the
Mozilla Public License.
Original code copyright 1998-2002 by the authors. |
1.3.5