added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL43Z/drivers/fsl_cop.c
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL43Z/drivers/fsl_cop.c Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2015, 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_cop.h" + +/******************************************************************************* + * Code + ******************************************************************************/ + +void COP_GetDefaultConfig(cop_config_t *config) +{ + assert(config); + + config->enableWindowMode = false; +#if defined(FSL_FEATURE_COP_HAS_LONGTIME_MODE) && FSL_FEATURE_COP_HAS_LONGTIME_MODE + config->timeoutMode = kCOP_LongTimeoutMode; + config->enableStop = false; + config->enableDebug = false; +#endif /* FSL_FEATURE_COP_HAS_LONGTIME_MODE */ + config->clockSource = kCOP_LpoClock; + config->timeoutCycles = kCOP_2Power10CyclesOr2Power18Cycles; +} + +void COP_Init(SIM_Type *base, const cop_config_t *config) +{ + assert(config); + + uint32_t value = 0U; + +#if defined(FSL_FEATURE_COP_HAS_LONGTIME_MODE) && FSL_FEATURE_COP_HAS_LONGTIME_MODE + value = SIM_COPC_COPW(config->enableWindowMode) | SIM_COPC_COPCLKS(config->timeoutMode) | + SIM_COPC_COPT(config->timeoutCycles) | SIM_COPC_COPSTPEN(config->enableStop) | + SIM_COPC_COPDBGEN(config->enableDebug) | SIM_COPC_COPCLKSEL(config->clockSource); +#else + value = SIM_COPC_COPW(config->enableWindowMode) | SIM_COPC_COPCLKS(config->clockSource) | + SIM_COPC_COPT(config->timeoutCycles); +#endif /* FSL_FEATURE_COP_HAS_LONGTIME_MODE */ + base->COPC = value; +} + +void COP_Refresh(SIM_Type *base) +{ + uint32_t primaskValue = 0U; + + /* Disable the global interrupt to protect refresh sequence */ + primaskValue = DisableGlobalIRQ(); + base->SRVCOP = COP_FIRST_BYTE_OF_REFRESH; + base->SRVCOP = COP_SECOND_BYTE_OF_REFRESH; + EnableGlobalIRQ(primaskValue); +}