I2C_EEPROM

Committer:
jhon309
Date:
Thu Aug 13 00:23:16 2015 +0000
Revision:
0:ac8863619623
I2C

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jhon309 0:ac8863619623 1 /* mbed Microcontroller Library
jhon309 0:ac8863619623 2 * Copyright (c) 2014-2015 ARM Limited
jhon309 0:ac8863619623 3 *
jhon309 0:ac8863619623 4 * Licensed under the Apache License, Version 2.0 (the "License");
jhon309 0:ac8863619623 5 * you may not use this file except in compliance with the License.
jhon309 0:ac8863619623 6 * You may obtain a copy of the License at
jhon309 0:ac8863619623 7 *
jhon309 0:ac8863619623 8 * http://www.apache.org/licenses/LICENSE-2.0
jhon309 0:ac8863619623 9 *
jhon309 0:ac8863619623 10 * Unless required by applicable law or agreed to in writing, software
jhon309 0:ac8863619623 11 * distributed under the License is distributed on an "AS IS" BASIS,
jhon309 0:ac8863619623 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jhon309 0:ac8863619623 13 * See the License for the specific language governing permissions and
jhon309 0:ac8863619623 14 * limitations under the License.
jhon309 0:ac8863619623 15 */
jhon309 0:ac8863619623 16 #ifndef MBED_DMA_API_H
jhon309 0:ac8863619623 17 #define MBED_DMA_API_H
jhon309 0:ac8863619623 18
jhon309 0:ac8863619623 19 #include <stdint.h>
jhon309 0:ac8863619623 20
jhon309 0:ac8863619623 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
jhon309 0:ac8863619623 22
jhon309 0:ac8863619623 23 typedef enum {
jhon309 0:ac8863619623 24 DMA_USAGE_NEVER,
jhon309 0:ac8863619623 25 DMA_USAGE_OPPORTUNISTIC,
jhon309 0:ac8863619623 26 DMA_USAGE_ALWAYS,
jhon309 0:ac8863619623 27 DMA_USAGE_TEMPORARY_ALLOCATED,
jhon309 0:ac8863619623 28 DMA_USAGE_ALLOCATED
jhon309 0:ac8863619623 29 } DMAUsage;
jhon309 0:ac8863619623 30
jhon309 0:ac8863619623 31 #ifdef __cplusplus
jhon309 0:ac8863619623 32 extern "C" {
jhon309 0:ac8863619623 33 #endif
jhon309 0:ac8863619623 34
jhon309 0:ac8863619623 35 void dma_init(void);
jhon309 0:ac8863619623 36
jhon309 0:ac8863619623 37 int dma_channel_allocate(uint32_t capabilities);
jhon309 0:ac8863619623 38
jhon309 0:ac8863619623 39 int dma_channel_free(int channelid);
jhon309 0:ac8863619623 40
jhon309 0:ac8863619623 41 #ifdef __cplusplus
jhon309 0:ac8863619623 42 }
jhon309 0:ac8863619623 43 #endif
jhon309 0:ac8863619623 44
jhon309 0:ac8863619623 45 #endif