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/**
* \file
*
* \brief SAM Peripheral Digital-to-Analog Converter Driver
*
* Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef DAC_H_INCLUDED
#define DAC_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
#include <compiler.h>
#include <clock.h>
#include <gclk.h>
/**
* \addtogroup asfdoc_sam0_dac_group
*
* @{
*/
/**
* Define DAC features set according to different device families.
* @{
*/
#if (SAMD21 || SAMD10 || SAMD11 || SAMDA1)
# define FEATURE_DAC_DATABUF_WRITE_PROTECTION
#endif
/**@}*/
#ifndef DAC_TIMEOUT
# define DAC_TIMEOUT 0xFFFF
#endif
#if DAC_CALLBACK_MODE == true
# include <system_interrupt.h>
/** Forward definition of the device instance. */
struct dac_module;
#if !defined(__DOXYGEN__)
extern struct dac_module *_dac_instances[DAC_INST_NUM];
#endif
/** Type definition for a DAC module callback function. */
typedef void (*dac_callback_t)(uint8_t channel);
/** Enum for the possible callback types for the DAC module. */
enum dac_callback {
/** Callback type for when a DAC channel data empty condition occurs
* (requires event triggered mode) */
DAC_CALLBACK_DATA_EMPTY,
/** Callback type for when a DAC channel data underrun condition occurs
* (requires event triggered mode) */
DAC_CALLBACK_DATA_UNDERRUN,
/** Callback type for when a DAC channel write buffer job complete (requires
* event triggered mode) */
DAC_CALLBACK_TRANSFER_COMPLETE,
#if !defined(__DOXYGEN__)
DAC_CALLBACK_N,
#endif
};
#endif
#include <dac_feature.h>
/**
* \name Configuration and Initialization
* @{
*/
bool dac_is_syncing(
struct dac_module *const dev_inst);
void dac_get_config_defaults(
struct dac_config *const config);
enum status_code dac_init(
struct dac_module *const dev_inst,
Dac *const module,
struct dac_config *const config);
void dac_reset(
struct dac_module *const dev_inst);
void dac_enable(
struct dac_module *const dev_inst);
void dac_disable(
struct dac_module *const dev_inst);
void dac_enable_events(
struct dac_module *const module_inst,
struct dac_events *const events);
void dac_disable_events(
struct dac_module *const module_inst,
struct dac_events *const events);
/** @} */
/**
* \name Configuration and Initialization (Channel)
* @{
*/
void dac_chan_get_config_defaults(
struct dac_chan_config *const config);
void dac_chan_set_config(
struct dac_module *const dev_inst,
const enum dac_channel channel,
struct dac_chan_config *const config);
void dac_chan_enable(
struct dac_module *const dev_inst,
enum dac_channel channel);
void dac_chan_disable(
struct dac_module *const dev_inst,
enum dac_channel channel);
/** @} */
/**
* \name Channel Data Management
* @{
*/
enum status_code dac_chan_write(
struct dac_module *const dev_inst,
enum dac_channel channel,
const uint16_t data);
enum status_code dac_chan_write_buffer_wait(
struct dac_module *const module_inst,
enum dac_channel channel,
uint16_t *buffer,
uint32_t length);
/** @} */
/**
* \name Status Management
* @{
*/
uint32_t dac_get_status(
struct dac_module *const module_inst);
void dac_clear_status(
struct dac_module *const module_inst,
uint32_t status_flags);
/** @} */
#ifdef __cplusplus
}
#endif
/** @} */
#endif /* DAC_H_INCLUDED */
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