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/**
* \file
*
* \brief SAM Temperature Sensor Driver
*
* Copyright (C) 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 TSENS_CALLBACK_H_INCLUDED
#define TSENS_CALLBACK_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
#include <compiler.h>
#include <system_interrupt.h>
#include "tsens.h"
/**
* \addtogroup asfdoc_sam0_tsens_group
*
* @{
*/
/**
* \brief TSENS Callback Types.
*
* Callback types for TSENS callback driver.
*
*/
enum tsens_callback {
/** Callback for result ready */
TSENS_CALLBACK_RESULT_READY,
/** Callback when result overwritten before read */
TSENS_CALLBACK_OVERRUN,
/** Callback when window is hit */
TSENS_CALLBACK_WINDOW,
/** Callback when the result overflows */
TSENS_CALLBACK_OVF,
# if !defined(__DOXYGEN__)
/** Number of available callbacks */
TSENS_CALLBACK_NUM,
# endif
};
/** Type of the callback functions. */
typedef void (*tsens_callback_t)(enum tsens_callback);
/**
* \brief TSENS software device instance structure.
*
* TSENS software instance structure, used to retain software state information
* of an associated hardware module instance.
*
* \note The fields of this structure should not be altered by the user
* application; they are reserved for module-internal use only.
*/
struct tsens_module {
#if !defined(__DOXYGEN__)
/** Array to store callback functions. */
tsens_callback_t callback[TSENS_CALLBACK_NUM];
/** Pointer to used for TSENS results. */
volatile int32_t *value;
#endif
};
/**
* \name Callback Management
* @{
*/
enum status_code tsens_register_callback(
struct tsens_module *const module,
tsens_callback_t callback_func,
enum tsens_callback callback_type);
enum status_code tsens_unregister_callback(
struct tsens_module *const module,
enum tsens_callback callback_type);
/**
* \brief Enables callback.
*
* Enables the callback function registered by \ref
* tsens_register_callback. The callback function will be called from the
* interrupt handler when the conditions for the callback type are met.
*
* \param[in] callback_type Callback type given by an enum
*
*/
static inline void tsens_enable_callback(enum tsens_callback callback_type)
{
uint32_t inenset_temp = 0;
switch (callback_type) {
case TSENS_CALLBACK_RESULT_READY:
inenset_temp |= TSENS_INTFLAG_RESRDY;
break;
case TSENS_CALLBACK_OVERRUN:
inenset_temp |= TSENS_INTENSET_OVERRUN;
break;
case TSENS_CALLBACK_WINDOW:
inenset_temp |= TSENS_INTENSET_WINMON;
break;
case TSENS_CALLBACK_OVF:
inenset_temp |= TSENS_INTENSET_OVF;
break;
default:
break;
}
/* Enable the interrupt for the callback */
TSENS->INTENSET.reg = inenset_temp;
}
/**
* \brief Disables callback.
*
* Disables the callback function registered by the \ref
* tsens_register_callback.
*
* \param[in] callback_type Callback type given by an enum
*
*/
static inline void tsens_disable_callback(enum tsens_callback callback_type)
{
uint32_t inenclr_temp = 0;
switch (callback_type) {
case TSENS_CALLBACK_RESULT_READY:
inenclr_temp |= TSENS_INTENCLR_OVERRUN;
break;
case TSENS_CALLBACK_OVERRUN:
inenclr_temp |= TSENS_INTENSET_OVERRUN;
break;
case TSENS_CALLBACK_WINDOW:
inenclr_temp |= TSENS_INTENSET_WINMON;
break;
case TSENS_CALLBACK_OVF:
inenclr_temp |= TSENS_INTENSET_OVF;
break;
default:
break;
}
/* Disable the interrupt for the callback */
TSENS->INTENCLR.reg = inenclr_temp;
}
void tsens_read_job(struct tsens_module *const module_inst, int32_t *result);
/** @} */
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* TSENS_CALLBACK_H_INCLUDED */
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