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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

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If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/hal/wdog/fsl_wdog_hal.c@149:1fb5f62b92bd, 2014-04-03 (annotated)

Committer:
mbed_official
Date:
Thu Apr 03 11:45:06 2014 +0100
Revision:
149:1fb5f62b92bd
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_KSDK_CODE/hal/wdog/fsl_wdog_hal.c@146:f64d43ff0c18
Child:
324:406fd2029f23
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42



Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /*
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
mbed_official 146:f64d43ff0c18 3 * All rights reserved.
mbed_official 146:f64d43ff0c18 4 *
mbed_official 146:f64d43ff0c18 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 146:f64d43ff0c18 6 * are permitted provided that the following conditions are met:
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * o Redistributions of source code must retain the above copyright notice, this list
mbed_official 146:f64d43ff0c18 9 * of conditions and the following disclaimer.
mbed_official 146:f64d43ff0c18 10 *
mbed_official 146:f64d43ff0c18 11 * o Redistributions in binary form must reproduce the above copyright notice, this
mbed_official 146:f64d43ff0c18 12 * list of conditions and the following disclaimer in the documentation and/or
mbed_official 146:f64d43ff0c18 13 * other materials provided with the distribution.
mbed_official 146:f64d43ff0c18 14 *
mbed_official 146:f64d43ff0c18 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
mbed_official 146:f64d43ff0c18 16 * contributors may be used to endorse or promote products derived from this
mbed_official 146:f64d43ff0c18 17 * software without specific prior written permission.
mbed_official 146:f64d43ff0c18 18 *
mbed_official 146:f64d43ff0c18 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 146:f64d43ff0c18 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 146:f64d43ff0c18 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 146:f64d43ff0c18 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
mbed_official 146:f64d43ff0c18 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 146:f64d43ff0c18 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 146:f64d43ff0c18 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
mbed_official 146:f64d43ff0c18 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 146:f64d43ff0c18 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 146:f64d43ff0c18 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 146:f64d43ff0c18 29 */
mbed_official 146:f64d43ff0c18 30
mbed_official 146:f64d43ff0c18 31 #include "fsl_wdog_hal.h"
mbed_official 146:f64d43ff0c18 32
mbed_official 146:f64d43ff0c18 33 /*******************************************************************************
mbed_official 146:f64d43ff0c18 34 * Definitions
mbed_official 146:f64d43ff0c18 35 *******************************************************************************/
mbed_official 146:f64d43ff0c18 36
mbed_official 146:f64d43ff0c18 37 /*******************************************************************************
mbed_official 146:f64d43ff0c18 38 * Variables
mbed_official 146:f64d43ff0c18 39 *******************************************************************************/
mbed_official 146:f64d43ff0c18 40
mbed_official 146:f64d43ff0c18 41 /*!
mbed_official 146:f64d43ff0c18 42 * @brief Watchdog internal config buffer to handle control and
mbed_official 146:f64d43ff0c18 43 * configure register's write-once-only character.
mbed_official 146:f64d43ff0c18 44 * Reset value of WDOG_STCTRLH is 0x1D3
mbed_official 146:f64d43ff0c18 45 */
mbed_official 146:f64d43ff0c18 46 static volatile uint32_t s_wdogSTCTRLH = 0x1D3;
mbed_official 146:f64d43ff0c18 47
mbed_official 146:f64d43ff0c18 48 /*******************************************************************************
mbed_official 146:f64d43ff0c18 49 * Code
mbed_official 146:f64d43ff0c18 50 *******************************************************************************/
mbed_official 146:f64d43ff0c18 51
mbed_official 146:f64d43ff0c18 52 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 53 *
mbed_official 146:f64d43ff0c18 54 * Function Name : wdog_hal_enable
mbed_official 146:f64d43ff0c18 55 * Description : Enable watchdog module. Should be called after all
mbed_official 146:f64d43ff0c18 56 * necessary configure have been set.
mbed_official 146:f64d43ff0c18 57 * This function is used to enable the WDOG and must be called after all
mbed_official 146:f64d43ff0c18 58 * necessary configure have been set.
mbed_official 146:f64d43ff0c18 59 *
mbed_official 146:f64d43ff0c18 60 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 61 void wdog_hal_enable(void)
mbed_official 146:f64d43ff0c18 62 {
mbed_official 146:f64d43ff0c18 63 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_WDOGEN;
mbed_official 146:f64d43ff0c18 64 HW_WDOG_STCTRLH_WR(s_wdogSTCTRLH);
mbed_official 146:f64d43ff0c18 65 }
mbed_official 146:f64d43ff0c18 66
mbed_official 146:f64d43ff0c18 67 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 68 *
mbed_official 146:f64d43ff0c18 69 * Function Name : wdog_hal_disable
mbed_official 146:f64d43ff0c18 70 * Description : Disable watchdog module.
mbed_official 146:f64d43ff0c18 71 * This function is used to disable the WDOG.
mbed_official 146:f64d43ff0c18 72 *
mbed_official 146:f64d43ff0c18 73 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 74 void wdog_hal_disable(void)
mbed_official 146:f64d43ff0c18 75 {
mbed_official 146:f64d43ff0c18 76 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_WDOGEN;
mbed_official 146:f64d43ff0c18 77 HW_WDOG_STCTRLH_WR(s_wdogSTCTRLH);
mbed_official 146:f64d43ff0c18 78 }
mbed_official 146:f64d43ff0c18 79
mbed_official 146:f64d43ff0c18 80 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 81 *
mbed_official 146:f64d43ff0c18 82 * Function Name : wdog_hal_configure_interrupt
mbed_official 146:f64d43ff0c18 83 * Description : Enable and disable watchdog interrupt.
mbed_official 146:f64d43ff0c18 84 * This function is used to configure the WDOG interrupt.
mbed_official 146:f64d43ff0c18 85 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 86 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 87 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 88 *
mbed_official 146:f64d43ff0c18 89 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 90 void wdog_hal_configure_interrupt(bool isEnabled)
mbed_official 146:f64d43ff0c18 91 {
mbed_official 146:f64d43ff0c18 92 if (isEnabled)
mbed_official 146:f64d43ff0c18 93 {
mbed_official 146:f64d43ff0c18 94 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_IRQRSTEN;
mbed_official 146:f64d43ff0c18 95 }
mbed_official 146:f64d43ff0c18 96 else
mbed_official 146:f64d43ff0c18 97 {
mbed_official 146:f64d43ff0c18 98 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_IRQRSTEN;
mbed_official 146:f64d43ff0c18 99 }
mbed_official 146:f64d43ff0c18 100 }
mbed_official 146:f64d43ff0c18 101
mbed_official 146:f64d43ff0c18 102 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 103 *
mbed_official 146:f64d43ff0c18 104 * Function Name : wdog_hal_set_clock_source
mbed_official 146:f64d43ff0c18 105 * Description : set watchdog clock Source
mbed_official 146:f64d43ff0c18 106 * This function is used to set the WDOG clock source, there are two clock sources can be used,
mbed_official 146:f64d43ff0c18 107 * one is LPO clock and the other is bus clock.
mbed_official 146:f64d43ff0c18 108 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 109 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 110 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 111 *
mbed_official 146:f64d43ff0c18 112 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 113 void wdog_hal_set_clock_source(wdog_clock_source_t clockSource)
mbed_official 146:f64d43ff0c18 114 {
mbed_official 146:f64d43ff0c18 115 if (kWdogDedicatedClock == clockSource)
mbed_official 146:f64d43ff0c18 116 {
mbed_official 146:f64d43ff0c18 117 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_CLKSRC;
mbed_official 146:f64d43ff0c18 118 }
mbed_official 146:f64d43ff0c18 119 else
mbed_official 146:f64d43ff0c18 120 {
mbed_official 146:f64d43ff0c18 121 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_CLKSRC;
mbed_official 146:f64d43ff0c18 122 }
mbed_official 146:f64d43ff0c18 123 }
mbed_official 146:f64d43ff0c18 124
mbed_official 146:f64d43ff0c18 125 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 126 *
mbed_official 146:f64d43ff0c18 127 * Function Name : wdog_hal_configure_window_mode
mbed_official 146:f64d43ff0c18 128 * Description : Enable and disable watchdog window mode
mbed_official 146:f64d43ff0c18 129 * This function is used to configure the WDOG window mode.
mbed_official 146:f64d43ff0c18 130 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 131 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 132 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 133 *
mbed_official 146:f64d43ff0c18 134 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 135 void wdog_hal_configure_window_mode(bool isEnabled)
mbed_official 146:f64d43ff0c18 136 {
mbed_official 146:f64d43ff0c18 137 if (isEnabled)
mbed_official 146:f64d43ff0c18 138 {
mbed_official 146:f64d43ff0c18 139 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_WINEN;
mbed_official 146:f64d43ff0c18 140 }
mbed_official 146:f64d43ff0c18 141 else
mbed_official 146:f64d43ff0c18 142 {
mbed_official 146:f64d43ff0c18 143 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_WINEN;
mbed_official 146:f64d43ff0c18 144 }
mbed_official 146:f64d43ff0c18 145 }
mbed_official 146:f64d43ff0c18 146
mbed_official 146:f64d43ff0c18 147 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 148 *
mbed_official 146:f64d43ff0c18 149 * Function Name : wdog_hal_configure_register_update
mbed_official 146:f64d43ff0c18 150 * Description : Enable and disable watchdog write-once-only register update
mbed_official 146:f64d43ff0c18 151 * This function is used to configure the WDOG register update feature, if disable means that
mbed_official 146:f64d43ff0c18 152 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 153 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 154 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 155 *
mbed_official 146:f64d43ff0c18 156 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 157 void wdog_hal_configure_register_update(bool isEnabled)
mbed_official 146:f64d43ff0c18 158 {
mbed_official 146:f64d43ff0c18 159 if (isEnabled)
mbed_official 146:f64d43ff0c18 160 {
mbed_official 146:f64d43ff0c18 161 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_ALLOWUPDATE;
mbed_official 146:f64d43ff0c18 162 }
mbed_official 146:f64d43ff0c18 163 else
mbed_official 146:f64d43ff0c18 164 {
mbed_official 146:f64d43ff0c18 165 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_ALLOWUPDATE;
mbed_official 146:f64d43ff0c18 166 }
mbed_official 146:f64d43ff0c18 167 }
mbed_official 146:f64d43ff0c18 168
mbed_official 146:f64d43ff0c18 169 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 170 *
mbed_official 146:f64d43ff0c18 171 * Function Name : wdog_hal_configure_enabled_in_cpu_debug_mode
mbed_official 146:f64d43ff0c18 172 * Description : Set whether watchdog is working while cpu is in debug mode
mbed_official 146:f64d43ff0c18 173 * This function is used to configure whether the WDOG is enabled in CPU debug mode.
mbed_official 146:f64d43ff0c18 174 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 175 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 176 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 177 *
mbed_official 146:f64d43ff0c18 178 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 179 void wdog_hal_configure_enabled_in_cpu_debug_mode(bool isEnabled)
mbed_official 146:f64d43ff0c18 180 {
mbed_official 146:f64d43ff0c18 181 if (isEnabled)
mbed_official 146:f64d43ff0c18 182 {
mbed_official 146:f64d43ff0c18 183 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_DBGEN;
mbed_official 146:f64d43ff0c18 184 }
mbed_official 146:f64d43ff0c18 185 else
mbed_official 146:f64d43ff0c18 186 {
mbed_official 146:f64d43ff0c18 187 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_DBGEN;
mbed_official 146:f64d43ff0c18 188 }
mbed_official 146:f64d43ff0c18 189 }
mbed_official 146:f64d43ff0c18 190
mbed_official 146:f64d43ff0c18 191 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 192 *
mbed_official 146:f64d43ff0c18 193 * Function Name : wdog_hal_configure_enabled_in_cpu_stop_mode
mbed_official 146:f64d43ff0c18 194 * Description : Set whether watchdog is working while cpu is in stop mode
mbed_official 146:f64d43ff0c18 195 * This function is used to configure whether the WDOG is enabled in CPU stop mode.
mbed_official 146:f64d43ff0c18 196 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 197 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 198 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 199 *
mbed_official 146:f64d43ff0c18 200 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 201 void wdog_hal_configure_enabled_in_cpu_stop_mode(bool isEnabled)
mbed_official 146:f64d43ff0c18 202 {
mbed_official 146:f64d43ff0c18 203 if (isEnabled)
mbed_official 146:f64d43ff0c18 204 {
mbed_official 146:f64d43ff0c18 205 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_STOPEN;
mbed_official 146:f64d43ff0c18 206 }
mbed_official 146:f64d43ff0c18 207 else
mbed_official 146:f64d43ff0c18 208 {
mbed_official 146:f64d43ff0c18 209 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_STOPEN;
mbed_official 146:f64d43ff0c18 210 }
mbed_official 146:f64d43ff0c18 211 }
mbed_official 146:f64d43ff0c18 212
mbed_official 146:f64d43ff0c18 213 /*FUNCTION****************************************************************
mbed_official 146:f64d43ff0c18 214 *
mbed_official 146:f64d43ff0c18 215 * Function Name : wdog_hal_configure_enabled_in_cpu_wait_mode
mbed_official 146:f64d43ff0c18 216 * Description : Set whether watchdog is working while cpu is in wait mode
mbed_official 146:f64d43ff0c18 217 * This function is used to configure whether the WDOG is enabled in CPU wait mode.
mbed_official 146:f64d43ff0c18 218 * Configure is saved in internal configure buffer and write back to
mbed_official 146:f64d43ff0c18 219 * register in wdog_hal_enable function, so this function must be
mbed_official 146:f64d43ff0c18 220 * called before wdog_hal_enable is called.
mbed_official 146:f64d43ff0c18 221 *
mbed_official 146:f64d43ff0c18 222 *END*********************************************************************/
mbed_official 146:f64d43ff0c18 223 void wdog_hal_configure_enabled_in_cpu_wait_mode(bool isEnabled)
mbed_official 146:f64d43ff0c18 224 {
mbed_official 146:f64d43ff0c18 225 if (isEnabled)
mbed_official 146:f64d43ff0c18 226 {
mbed_official 146:f64d43ff0c18 227 s_wdogSTCTRLH |= BM_WDOG_STCTRLH_WAITEN;
mbed_official 146:f64d43ff0c18 228 }
mbed_official 146:f64d43ff0c18 229 else
mbed_official 146:f64d43ff0c18 230 {
mbed_official 146:f64d43ff0c18 231 s_wdogSTCTRLH &= ~BM_WDOG_STCTRLH_WAITEN;
mbed_official 146:f64d43ff0c18 232 }
mbed_official 146:f64d43ff0c18 233 }
mbed_official 146:f64d43ff0c18 234
mbed_official 146:f64d43ff0c18 235 /*******************************************************************************
mbed_official 146:f64d43ff0c18 236 * EOF
mbed_official 146:f64d43ff0c18 237 *******************************************************************************/
mbed_official 146:f64d43ff0c18 238