[11U68]fix P0_11 to use GPIO
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dma_api.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2014-2015 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_DMA_API_H 00017 #define MBED_DMA_API_H 00018 00019 #include <stdint.h> 00020 00021 #define DMA_ERROR_OUT_OF_CHANNELS (-1) 00022 00023 typedef enum { 00024 DMA_USAGE_NEVER, 00025 DMA_USAGE_OPPORTUNISTIC, 00026 DMA_USAGE_ALWAYS, 00027 DMA_USAGE_TEMPORARY_ALLOCATED, 00028 DMA_USAGE_ALLOCATED 00029 } DMAUsage; 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00035 void dma_init(void); 00036 00037 int dma_channel_allocate(uint32_t capabilities); 00038 00039 int dma_channel_free(int channelid); 00040 00041 #ifdef __cplusplus 00042 } 00043 #endif 00044 00045 #endif
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