Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/drivers/fsl_dmamux.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /*
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
<> 144:ef7eb2e8f9f7 3 * All rights reserved.
<> 144:ef7eb2e8f9f7 4 *
<> 144:ef7eb2e8f9f7 5 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 6 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * o Redistributions of source code must retain the above copyright notice, this list
<> 144:ef7eb2e8f9f7 9 * of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * o Redistributions in binary form must reproduce the above copyright notice, this
<> 144:ef7eb2e8f9f7 12 * list of conditions and the following disclaimer in the documentation and/or
<> 144:ef7eb2e8f9f7 13 * other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
<> 144:ef7eb2e8f9f7 16 * contributors may be used to endorse or promote products derived from this
<> 144:ef7eb2e8f9f7 17 * software without specific prior written permission.
<> 144:ef7eb2e8f9f7 18 *
<> 144:ef7eb2e8f9f7 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
<> 144:ef7eb2e8f9f7 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
<> 144:ef7eb2e8f9f7 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
<> 144:ef7eb2e8f9f7 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
<> 144:ef7eb2e8f9f7 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
<> 144:ef7eb2e8f9f7 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
<> 144:ef7eb2e8f9f7 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
<> 144:ef7eb2e8f9f7 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
<> 144:ef7eb2e8f9f7 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 29 */
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 #include "fsl_dmamux.h"
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 /*******************************************************************************
<> 144:ef7eb2e8f9f7 34 * Definitions
<> 144:ef7eb2e8f9f7 35 ******************************************************************************/
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /*******************************************************************************
<> 144:ef7eb2e8f9f7 38 * Prototypes
<> 144:ef7eb2e8f9f7 39 ******************************************************************************/
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 /*!
<> 144:ef7eb2e8f9f7 42 * @brief Get instance number for DMAMUX.
<> 144:ef7eb2e8f9f7 43 *
<> 144:ef7eb2e8f9f7 44 * @param base DMAMUX peripheral base address.
<> 144:ef7eb2e8f9f7 45 */
<> 144:ef7eb2e8f9f7 46 static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base);
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 /*******************************************************************************
<> 144:ef7eb2e8f9f7 49 * Variables
<> 144:ef7eb2e8f9f7 50 ******************************************************************************/
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 /*! @brief Array to map DMAMUX instance number to base pointer. */
<> 144:ef7eb2e8f9f7 53 static DMAMUX_Type *const s_dmamuxBases[] = DMAMUX_BASE_PTRS;
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 /*! @brief Array to map DMAMUX instance number to clock name. */
<> 144:ef7eb2e8f9f7 56 static const clock_ip_name_t s_dmamuxClockName[] = DMAMUX_CLOCKS;
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 /*******************************************************************************
<> 144:ef7eb2e8f9f7 59 * Code
<> 144:ef7eb2e8f9f7 60 ******************************************************************************/
<> 144:ef7eb2e8f9f7 61 static uint32_t DMAMUX_GetInstance(DMAMUX_Type *base)
<> 144:ef7eb2e8f9f7 62 {
<> 144:ef7eb2e8f9f7 63 uint32_t instance;
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 /* Find the instance index from base address mappings. */
<> 144:ef7eb2e8f9f7 66 for (instance = 0; instance < FSL_FEATURE_SOC_DMAMUX_COUNT; instance++)
<> 144:ef7eb2e8f9f7 67 {
<> 144:ef7eb2e8f9f7 68 if (s_dmamuxBases[instance] == base)
<> 144:ef7eb2e8f9f7 69 {
<> 144:ef7eb2e8f9f7 70 break;
<> 144:ef7eb2e8f9f7 71 }
<> 144:ef7eb2e8f9f7 72 }
<> 144:ef7eb2e8f9f7 73
<> 144:ef7eb2e8f9f7 74 assert(instance < FSL_FEATURE_SOC_DMAMUX_COUNT);
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 return instance;
<> 144:ef7eb2e8f9f7 77 }
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 void DMAMUX_Init(DMAMUX_Type *base)
<> 144:ef7eb2e8f9f7 80 {
<> 144:ef7eb2e8f9f7 81 CLOCK_EnableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]);
<> 144:ef7eb2e8f9f7 82 }
<> 144:ef7eb2e8f9f7 83
<> 144:ef7eb2e8f9f7 84 void DMAMUX_Deinit(DMAMUX_Type *base)
<> 144:ef7eb2e8f9f7 85 {
<> 144:ef7eb2e8f9f7 86 CLOCK_DisableClock(s_dmamuxClockName[DMAMUX_GetInstance(base)]);
<> 144:ef7eb2e8f9f7 87 }