Aravind Vadali / mbed-src-AV

mbed.h library with any bug fixes AV finds.

Dependents:   micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more

hal/dma_api.h@0:ba7650f404af, 2015-11-02 (annotated)

Committer:
aravindsv
Date:
Mon Nov 02 02:26:59 2015 +0000
Revision:
0:ba7650f404af
Reduced HSE_STARTUP_TIMEOUT to 500 ms, fixed some compiler warnings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aravindsv 0:ba7650f404af 1 /* mbed Microcontroller Library
aravindsv 0:ba7650f404af 2 * Copyright (c) 2014-2015 ARM Limited
aravindsv 0:ba7650f404af 3 *
aravindsv 0:ba7650f404af 4 * Licensed under the Apache License, Version 2.0 (the "License");
aravindsv 0:ba7650f404af 5 * you may not use this file except in compliance with the License.
aravindsv 0:ba7650f404af 6 * You may obtain a copy of the License at
aravindsv 0:ba7650f404af 7 *
aravindsv 0:ba7650f404af 8 * http://www.apache.org/licenses/LICENSE-2.0
aravindsv 0:ba7650f404af 9 *
aravindsv 0:ba7650f404af 10 * Unless required by applicable law or agreed to in writing, software
aravindsv 0:ba7650f404af 11 * distributed under the License is distributed on an "AS IS" BASIS,
aravindsv 0:ba7650f404af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
aravindsv 0:ba7650f404af 13 * See the License for the specific language governing permissions and
aravindsv 0:ba7650f404af 14 * limitations under the License.
aravindsv 0:ba7650f404af 15 */
aravindsv 0:ba7650f404af 16 #ifndef MBED_DMA_API_H
aravindsv 0:ba7650f404af 17 #define MBED_DMA_API_H
aravindsv 0:ba7650f404af 18
aravindsv 0:ba7650f404af 19 #include <stdint.h>
aravindsv 0:ba7650f404af 20
aravindsv 0:ba7650f404af 21 #define DMA_ERROR_OUT_OF_CHANNELS (-1)
aravindsv 0:ba7650f404af 22
aravindsv 0:ba7650f404af 23 typedef enum {
aravindsv 0:ba7650f404af 24 DMA_USAGE_NEVER,
aravindsv 0:ba7650f404af 25 DMA_USAGE_OPPORTUNISTIC,
aravindsv 0:ba7650f404af 26 DMA_USAGE_ALWAYS,
aravindsv 0:ba7650f404af 27 DMA_USAGE_TEMPORARY_ALLOCATED,
aravindsv 0:ba7650f404af 28 DMA_USAGE_ALLOCATED
aravindsv 0:ba7650f404af 29 } DMAUsage;
aravindsv 0:ba7650f404af 30
aravindsv 0:ba7650f404af 31 #ifdef __cplusplus
aravindsv 0:ba7650f404af 32 extern "C" {
aravindsv 0:ba7650f404af 33 #endif
aravindsv 0:ba7650f404af 34
aravindsv 0:ba7650f404af 35 void dma_init(void);
aravindsv 0:ba7650f404af 36
aravindsv 0:ba7650f404af 37 int dma_channel_allocate(uint32_t capabilities);
aravindsv 0:ba7650f404af 38
aravindsv 0:ba7650f404af 39 int dma_channel_free(int channelid);
aravindsv 0:ba7650f404af 40
aravindsv 0:ba7650f404af 41 #ifdef __cplusplus
aravindsv 0:ba7650f404af 42 }
aravindsv 0:ba7650f404af 43 #endif
aravindsv 0:ba7650f404af 44
aravindsv 0:ba7650f404af 45 #endif