Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/sercom_dma.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
64:41a834223ea3 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /* mbed Microcontroller Library
mbed_official 15:a81a8d6c1dfe 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 15:a81a8d6c1dfe 5 * you may not use this file except in compliance with the License.
mbed_official 15:a81a8d6c1dfe 6 * You may obtain a copy of the License at
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 15:a81a8d6c1dfe 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 15:a81a8d6c1dfe 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 15:a81a8d6c1dfe 13 * See the License for the specific language governing permissions and
mbed_official 15:a81a8d6c1dfe 14 * limitations under the License.
mbed_official 15:a81a8d6c1dfe 15 */
mbed_official 15:a81a8d6c1dfe 16
mbed_official 15:a81a8d6c1dfe 17 #ifndef _SERCOM_DMA_H
mbed_official 15:a81a8d6c1dfe 18 #define _SERCOM_DMA_H
mbed_official 15:a81a8d6c1dfe 19
mbed_official 15:a81a8d6c1dfe 20 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 21 extern "C" {
mbed_official 15:a81a8d6c1dfe 22 #endif
mbed_official 15:a81a8d6c1dfe 23
mbed_official 15:a81a8d6c1dfe 24 #include <compiler.h>
mbed_official 15:a81a8d6c1dfe 25 #include "dma.h"
mbed_official 15:a81a8d6c1dfe 26
mbed_official 15:a81a8d6c1dfe 27
mbed_official 15:a81a8d6c1dfe 28 struct sercom_dma {
mbed_official 15:a81a8d6c1dfe 29 uint8_t tx_channel_id;
mbed_official 15:a81a8d6c1dfe 30 uint8_t rx_channel_id;
mbed_official 15:a81a8d6c1dfe 31 enum dma_status_flags tx_status;
mbed_official 15:a81a8d6c1dfe 32 enum dma_status_flags rx_status;
mbed_official 15:a81a8d6c1dfe 33 };
mbed_official 15:a81a8d6c1dfe 34
mbed_official 15:a81a8d6c1dfe 35 /** Allocate a channel for TX
mbed_official 15:a81a8d6c1dfe 36 *
mbed_official 15:a81a8d6c1dfe 37 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 38 * @param[out] tx_id pointer to channel id
mbed_official 15:a81a8d6c1dfe 39 * @return allocated channel id
mbed_official 15:a81a8d6c1dfe 40 */
mbed_official 15:a81a8d6c1dfe 41 uint8_t sercom_setup_tx_channel(uint8_t sercom_index, uint8_t *tx_id);
mbed_official 15:a81a8d6c1dfe 42
mbed_official 15:a81a8d6c1dfe 43 /** Allocate a channel for RX
mbed_official 15:a81a8d6c1dfe 44 *
mbed_official 15:a81a8d6c1dfe 45 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 46 * @param[out] rx_id pointer to channel id
mbed_official 15:a81a8d6c1dfe 47 * @return allocated channel id
mbed_official 15:a81a8d6c1dfe 48 */
mbed_official 15:a81a8d6c1dfe 49 uint8_t sercom_setup_rx_channel(uint8_t sercom_index, uint8_t *rx_id);
mbed_official 15:a81a8d6c1dfe 50
mbed_official 15:a81a8d6c1dfe 51 /** Release DMA channels if allocated
mbed_official 15:a81a8d6c1dfe 52 *
mbed_official 15:a81a8d6c1dfe 53 * @param[in] sercom_index index of sercom instance
mbed_official 15:a81a8d6c1dfe 54 * @return void
mbed_official 15:a81a8d6c1dfe 55 */
mbed_official 15:a81a8d6c1dfe 56 void sercom_release_channel(uint8_t sercom_index);
mbed_official 15:a81a8d6c1dfe 57
mbed_official 15:a81a8d6c1dfe 58 #ifdef __cplusplus
mbed_official 15:a81a8d6c1dfe 59 }
mbed_official 15:a81a8d6c1dfe 60 #endif
mbed_official 15:a81a8d6c1dfe 61
mbed_official 64:41a834223ea3 62 #endif /* _SERCOM_DMA_H */