/* * 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 "fsl_pit_hal.h" /******************************************************************************* * Code ******************************************************************************/ #if FSL_FEATURE_PIT_HAS_LIFETIME_TIMER /*FUNCTION********************************************************************** * * Function Name : PIT_HAL_ReadLifetimeTimerCount * Description : Read current lifefime counter value. * Lifetime timer is 64-bit timer which chains timer 0 and timer 1 together. * So, timer 0 and 1 should by chained by calling PIT_HAL_SetTimerChainCmd * before using this timer. The period of lifetime timer equals to "period of * timer 0 * period of timer 1". For the 64-bit value, higher 32-bit will have * the value of timer 1, and lower 32-bit have the value of timer 0. * *END**************************************************************************/ uint64_t PIT_HAL_ReadLifetimeTimerCount(uint32_t baseAddr) { uint32_t valueH = 0U, valueL = 0U; /* LTMR64H should be read before LTMR64L */ valueH = HW_PIT_LTMR64H_RD(baseAddr); valueL = HW_PIT_LTMR64L_RD(baseAddr); return (((uint64_t)valueH << 32U) + (uint64_t)(valueL)); } #endif /* FSL_FEATURE_PIT_HAS_LIFETIME_TIMER*/ /******************************************************************************* * EOF ******************************************************************************/