Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.
dma.h
00001 /**************************************************************************** 00002 * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd 00003 * 00004 * This file is part of the Satellite Observers Workbench (SOWB). 00005 * 00006 * SOWB is free software: you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation, either version 3 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * SOWB is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with SOWB. If not, see <http://www.gnu.org/licenses/>. 00018 * 00019 * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ 00020 * 00021 ***************************************************************************/ 00022 00023 #ifndef DMA_H 00024 #define DMA_H 00025 00026 #define DMA_CHANNEL_0 (1UL << 0) 00027 #define DMA_CHANNEL_1 (1UL << 1) 00028 #define DMA_CHANNEL_2 (1UL << 2) 00029 #define DMA_CHANNEL_3 (1UL << 3) 00030 #define DMA_CHANNEL_4 (1UL << 4) 00031 #define DMA_CHANNEL_5 (1UL << 5) 00032 #define DMA_CHANNEL_6 (1UL << 6) 00033 #define DMA_CHANNEL_7 (1UL << 7) 00034 00035 typedef int (*DMA_callback)(int channel); 00036 00037 typedef struct _dma_callbacks { 00038 DMA_callback TcCallback; 00039 DMA_callback ErrCallback; 00040 } DMA_CALLBACKS; 00041 00042 void DMA_init(void); 00043 void DMA_process(void); 00044 bool DMA_request_channel(int channel); 00045 void DMA_release_channel(int channel); 00046 00047 #endif
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