/* * 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 #include #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 ******************************************************************************/