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/*
* Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#include <stdlib.h>
#include <assert.h>
#include "fsl_pit_common.h"
#include "fsl_pit_driver.h"
/*!
* @addtogroup pit_irq
* @{
*/
/*******************************************************************************
* Variables
******************************************************************************/
/*!
* @brief Function table to save PIT isr callback function pointers.
*
* Call PIT_DRV_InstallCallback to install isr callback functions.
*/
static pit_isr_callback_t pitIsrCallbackTable[HW_PIT_INSTANCE_COUNT][FSL_FEATURE_PIT_TIMER_COUNT] = {{NULL}};
/*******************************************************************************
* Code
******************************************************************************/
#if defined (KL25Z4_SERIES)
/*!
* @brief System default IRQ handler defined in startup code.
*
* Users can either edit this handler or define a callback function. Furthermore,
* interrupt manager could be used to re-map the IRQ handler to another function.
*/
void PIT_IRQHandler(void)
{
uint32_t i;
for(i=0; i < FSL_FEATURE_PIT_TIMER_COUNT; i++)
{
/* Clear interrupt flag.*/
PIT_HAL_ClearIntFlag(g_pitBaseAddr[0], i);
/* Run callback function if it exists.*/
if (pitIsrCallbackTable[0][i])
{
(*pitIsrCallbackTable[0][i])();
}
}
}
#elif defined (K64F12_SERIES) || defined (K24F12_SERIES) || defined (K63F12_SERIES) || \
defined (K22F12810_SERIES) || defined (K22F25612_SERIES) || defined (K22F51212_SERIES) || \
defined (KV31F12810_SERIES) || defined (KV31F25612_SERIES) || defined (KV31F51212_SERIES) || \
defined (K70F12_SERIES)
void PIT0_IRQHandler(void)
{
/* Clear interrupt flag.*/
PIT_HAL_ClearIntFlag(g_pitBaseAddr[0], 0U);
/* Run callback function if it exists.*/
if (pitIsrCallbackTable[0][0])
{
(*pitIsrCallbackTable[0][0])();
}
}
void PIT1_IRQHandler(void)
{
/* Clear interrupt flag.*/
PIT_HAL_ClearIntFlag(g_pitBaseAddr[0], 1U);
/* Run callback function if it exists.*/
if (pitIsrCallbackTable[0][1])
{
(*pitIsrCallbackTable[0][1])();
}
}
void PIT2_IRQHandler(void)
{
/* Clear interrupt flag.*/
PIT_HAL_ClearIntFlag(g_pitBaseAddr[0], 2U);
/* Run callback function if it exists.*/
if (pitIsrCallbackTable[0][2])
{
(*pitIsrCallbackTable[0][2])();
}
}
void PIT3_IRQHandler(void)
{
/* Clear interrupt flag.*/
PIT_HAL_ClearIntFlag(g_pitBaseAddr[0], 3U);
/* Run callback function if it exists.*/
if (pitIsrCallbackTable[0][3])
{
(*pitIsrCallbackTable[0][3])();
}
}
#endif
/*! @} */
/*FUNCTION**********************************************************************
*
* Function Name : PIT_DRV_InstallCallback
* Description : Register pit isr callback function.
* System default ISR interfaces are already defined in fsl_pit_irq.c. Users
* can either edit these ISRs or use this function to register a callback
* function. The default ISR will run the callback function it there is one
* installed here.
*END**************************************************************************/
void PIT_DRV_InstallCallback(uint32_t instance, uint32_t channel, pit_isr_callback_t function)
{
assert(channel < FSL_FEATURE_PIT_TIMER_COUNT);
assert(function != NULL);
pitIsrCallbackTable[instance][channel] = function;
}
/*******************************************************************************
* EOF
******************************************************************************/
|
