MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/sercom_dma.h@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2015 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16
sahilmgandhi 18:6a4db94011d3 17 #ifndef _SERCOM_DMA_H
sahilmgandhi 18:6a4db94011d3 18 #define _SERCOM_DMA_H
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 #ifdef __cplusplus
sahilmgandhi 18:6a4db94011d3 21 extern "C" {
sahilmgandhi 18:6a4db94011d3 22 #endif
sahilmgandhi 18:6a4db94011d3 23
sahilmgandhi 18:6a4db94011d3 24 #include <compiler.h>
sahilmgandhi 18:6a4db94011d3 25 #include "dma.h"
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27
sahilmgandhi 18:6a4db94011d3 28 struct sercom_dma {
sahilmgandhi 18:6a4db94011d3 29 uint8_t tx_channel_id;
sahilmgandhi 18:6a4db94011d3 30 uint8_t rx_channel_id;
sahilmgandhi 18:6a4db94011d3 31 enum dma_status_flags tx_status;
sahilmgandhi 18:6a4db94011d3 32 enum dma_status_flags rx_status;
sahilmgandhi 18:6a4db94011d3 33 };
sahilmgandhi 18:6a4db94011d3 34
sahilmgandhi 18:6a4db94011d3 35 /** Allocate a channel for TX
sahilmgandhi 18:6a4db94011d3 36 *
sahilmgandhi 18:6a4db94011d3 37 * @param[in] sercom_index index of sercom instance
sahilmgandhi 18:6a4db94011d3 38 * @param[out] tx_id pointer to channel id
sahilmgandhi 18:6a4db94011d3 39 * @return allocated channel id
sahilmgandhi 18:6a4db94011d3 40 */
sahilmgandhi 18:6a4db94011d3 41 uint8_t sercom_setup_tx_channel(uint8_t sercom_index, uint8_t *tx_id);
sahilmgandhi 18:6a4db94011d3 42
sahilmgandhi 18:6a4db94011d3 43 /** Allocate a channel for RX
sahilmgandhi 18:6a4db94011d3 44 *
sahilmgandhi 18:6a4db94011d3 45 * @param[in] sercom_index index of sercom instance
sahilmgandhi 18:6a4db94011d3 46 * @param[out] rx_id pointer to channel id
sahilmgandhi 18:6a4db94011d3 47 * @return allocated channel id
sahilmgandhi 18:6a4db94011d3 48 */
sahilmgandhi 18:6a4db94011d3 49 uint8_t sercom_setup_rx_channel(uint8_t sercom_index, uint8_t *rx_id);
sahilmgandhi 18:6a4db94011d3 50
sahilmgandhi 18:6a4db94011d3 51 /** Release DMA channels if allocated
sahilmgandhi 18:6a4db94011d3 52 *
sahilmgandhi 18:6a4db94011d3 53 * @param[in] sercom_index index of sercom instance
sahilmgandhi 18:6a4db94011d3 54 * @return void
sahilmgandhi 18:6a4db94011d3 55 */
sahilmgandhi 18:6a4db94011d3 56 void sercom_release_channel(uint8_t sercom_index);
sahilmgandhi 18:6a4db94011d3 57
sahilmgandhi 18:6a4db94011d3 58 #ifdef __cplusplus
sahilmgandhi 18:6a4db94011d3 59 }
sahilmgandhi 18:6a4db94011d3 60 #endif
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 #endif /* _SERCOM_DMA_H */