added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/drivers/fsl_dmamux.c
- Committer:
- JojoS
- Date:
- 2016-09-10
- Revision:
- 147:ba84b7dc41a7
- Parent:
- 144:ef7eb2e8f9f7
File content as of revision 147:ba84b7dc41a7:
/* * 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_dmamux.h" /******************************************************************************* * Definitions ******************************************************************************/ /******************************************************************************* * Prototypes ******************************************************************************/ /*! * @brief Get instance number for DMAMUX. * * @param base DMAMUX peripheral base address. */ static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base); /******************************************************************************* * Variables ******************************************************************************/ /*! @brief Array to map DMAMUX instance number to base pointer. */ static DMAMUX_Type *const s_dmamuxBases[] = DMAMUX_BASE_PTRS; /*! @brief Array to map DMAMUX instance number to clock name. */ static const clock_ip_name_t s_dmamuxClockName[] = DMAMUX_CLOCKS; /******************************************************************************* * Code ******************************************************************************/ static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base) { uint32_t instance; /* Find the instance index from base address mappings. */ for (instance = 0; instance < FSL_FEATURE_SOC_DMAMUX_COUNT; instance++) { if (s_dmamuxBases[instance] == base) { break; } } assert(instance < FSL_FEATURE_SOC_DMAMUX_COUNT); return instance; } void DMAMUX_Init(DMAMUX_Type *base) { CLOCK_EnableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); } void DMAMUX_Deinit(DMAMUX_Type *base) { CLOCK_DisableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]); }