siva surendar / mbed-dev

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-dev by mbed official

targets/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/drivers/fsl_ewm.c@149:156823d33999, 2016-10-28 (annotated)

Committer:
<>
Date:
Fri Oct 28 11:17:30 2016 +0100
Revision:
149:156823d33999
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K22F/drivers/fsl_ewm.c@121:7f86b4238bec 
This updates the lib to the mbed lib v128



NOTE: This release includes a restructuring of the file and directory locations and thus some

include paths in your code may need updating accordingly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 121:7f86b4238bec 1 /*
mbed_official 121:7f86b4238bec 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
mbed_official 121:7f86b4238bec 3 * All rights reserved.
mbed_official 121:7f86b4238bec 4 *
mbed_official 121:7f86b4238bec 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 121:7f86b4238bec 6 * are permitted provided that the following conditions are met:
mbed_official 121:7f86b4238bec 7 *
mbed_official 121:7f86b4238bec 8 * o Redistributions of source code must retain the above copyright notice, this list
mbed_official 121:7f86b4238bec 9 * of conditions and the following disclaimer.
mbed_official 121:7f86b4238bec 10 *
mbed_official 121:7f86b4238bec 11 * o Redistributions in binary form must reproduce the above copyright notice, this
mbed_official 121:7f86b4238bec 12 * list of conditions and the following disclaimer in the documentation and/or
mbed_official 121:7f86b4238bec 13 * other materials provided with the distribution.
mbed_official 121:7f86b4238bec 14 *
mbed_official 121:7f86b4238bec 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
mbed_official 121:7f86b4238bec 16 * contributors may be used to endorse or promote products derived from this
mbed_official 121:7f86b4238bec 17 * software without specific prior written permission.
mbed_official 121:7f86b4238bec 18 *
mbed_official 121:7f86b4238bec 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 121:7f86b4238bec 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 121:7f86b4238bec 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 121:7f86b4238bec 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
mbed_official 121:7f86b4238bec 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 121:7f86b4238bec 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 121:7f86b4238bec 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
mbed_official 121:7f86b4238bec 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 121:7f86b4238bec 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 121:7f86b4238bec 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 121:7f86b4238bec 29 */
mbed_official 121:7f86b4238bec 30
mbed_official 121:7f86b4238bec 31 #include "fsl_ewm.h"
mbed_official 121:7f86b4238bec 32
mbed_official 121:7f86b4238bec 33 /*******************************************************************************
mbed_official 121:7f86b4238bec 34 * Code
mbed_official 121:7f86b4238bec 35 ******************************************************************************/
mbed_official 121:7f86b4238bec 36
mbed_official 121:7f86b4238bec 37 void EWM_Init(EWM_Type *base, const ewm_config_t *config)
mbed_official 121:7f86b4238bec 38 {
mbed_official 121:7f86b4238bec 39 assert(config);
mbed_official 121:7f86b4238bec 40
mbed_official 121:7f86b4238bec 41 uint32_t value = 0U;
mbed_official 121:7f86b4238bec 42
mbed_official 121:7f86b4238bec 43 CLOCK_EnableClock(kCLOCK_Ewm0);
mbed_official 121:7f86b4238bec 44 value = EWM_CTRL_EWMEN(config->enableEwm) | EWM_CTRL_ASSIN(config->setInputAssertLogic) |
mbed_official 121:7f86b4238bec 45 EWM_CTRL_INEN(config->enableEwmInput) | EWM_CTRL_INTEN(config->enableInterrupt);
mbed_official 121:7f86b4238bec 46 #if defined(FSL_FEATURE_EWM_HAS_PRESCALER) && FSL_FEATURE_EWM_HAS_PRESCALER
mbed_official 121:7f86b4238bec 47 base->CLKPRESCALER = config->prescaler;
mbed_official 121:7f86b4238bec 48 #endif /* FSL_FEATURE_EWM_HAS_PRESCALER */
mbed_official 121:7f86b4238bec 49
mbed_official 121:7f86b4238bec 50 #if defined(FSL_FEATURE_EWM_HAS_CLOCK_SELECT) && FSL_FEATURE_EWM_HAS_CLOCK_SELECT
mbed_official 121:7f86b4238bec 51 base->CLKCTRL = config->clockSource;
mbed_official 121:7f86b4238bec 52 #endif /* FSL_FEATURE_EWM_HAS_CLOCK_SELECT*/
mbed_official 121:7f86b4238bec 53
mbed_official 121:7f86b4238bec 54 base->CMPL = config->compareLowValue;
mbed_official 121:7f86b4238bec 55 base->CMPH = config->compareHighValue;
mbed_official 121:7f86b4238bec 56 base->CTRL = value;
mbed_official 121:7f86b4238bec 57 }
mbed_official 121:7f86b4238bec 58
mbed_official 121:7f86b4238bec 59 void EWM_Deinit(EWM_Type *base)
mbed_official 121:7f86b4238bec 60 {
mbed_official 121:7f86b4238bec 61 EWM_DisableInterrupts(base, kEWM_InterruptEnable);
mbed_official 121:7f86b4238bec 62 CLOCK_DisableClock(kCLOCK_Ewm0);
mbed_official 121:7f86b4238bec 63 }
mbed_official 121:7f86b4238bec 64
mbed_official 121:7f86b4238bec 65 void EWM_GetDefaultConfig(ewm_config_t *config)
mbed_official 121:7f86b4238bec 66 {
mbed_official 121:7f86b4238bec 67 assert(config);
mbed_official 121:7f86b4238bec 68
mbed_official 121:7f86b4238bec 69 config->enableEwm = true;
mbed_official 121:7f86b4238bec 70 config->enableEwmInput = false;
mbed_official 121:7f86b4238bec 71 config->setInputAssertLogic = false;
mbed_official 121:7f86b4238bec 72 config->enableInterrupt = false;
mbed_official 121:7f86b4238bec 73 #if defined(FSL_FEATURE_EWM_HAS_CLOCK_SELECT) && FSL_FEATURE_EWM_HAS_CLOCK_SELECT
mbed_official 121:7f86b4238bec 74 config->clockSource = kEWM_LpoClockSource0;
mbed_official 121:7f86b4238bec 75 #endif /* FSL_FEATURE_EWM_HAS_CLOCK_SELECT*/
mbed_official 121:7f86b4238bec 76 #if defined(FSL_FEATURE_EWM_HAS_PRESCALER) && FSL_FEATURE_EWM_HAS_PRESCALER
mbed_official 121:7f86b4238bec 77 config->prescaler = 0U;
mbed_official 121:7f86b4238bec 78 #endif /* FSL_FEATURE_EWM_HAS_PRESCALER */
mbed_official 121:7f86b4238bec 79 config->compareLowValue = 0U;
mbed_official 121:7f86b4238bec 80 config->compareHighValue = 0xFEU;
mbed_official 121:7f86b4238bec 81 }
mbed_official 121:7f86b4238bec 82
mbed_official 121:7f86b4238bec 83 void EWM_Refresh(EWM_Type *base)
mbed_official 121:7f86b4238bec 84 {
mbed_official 121:7f86b4238bec 85 uint32_t primaskValue = 0U;
mbed_official 121:7f86b4238bec 86
mbed_official 121:7f86b4238bec 87 /* Disable the global interrupt to protect refresh sequence */
mbed_official 121:7f86b4238bec 88 primaskValue = DisableGlobalIRQ();
mbed_official 121:7f86b4238bec 89 base->SERV = (uint8_t)0xB4U;
mbed_official 121:7f86b4238bec 90 base->SERV = (uint8_t)0x2CU;
mbed_official 121:7f86b4238bec 91 EnableGlobalIRQ(primaskValue);
mbed_official 121:7f86b4238bec 92 }