![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/drivers/fsl_wdog.c
- Committer:
- kadonotakashi
- Date:
- 2018-10-11
- Revision:
- 3:f3764f852aa8
- Parent:
- 0:8fdf9a60065b
File content as of revision 3:f3764f852aa8:
/* * 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_wdog.h" /******************************************************************************* * Code ******************************************************************************/ void WDOG_GetDefaultConfig(wdog_config_t *config) { assert(config); config->enableWdog = true; config->clockSource = kWDOG_LpoClockSource; config->prescaler = kWDOG_ClockPrescalerDivide1; #if defined(FSL_FEATURE_WDOG_HAS_WAITEN) && FSL_FEATURE_WDOG_HAS_WAITEN config->workMode.enableWait = true; #endif /* FSL_FEATURE_WDOG_HAS_WAITEN */ config->workMode.enableStop = false; config->workMode.enableDebug = false; config->enableUpdate = true; config->enableInterrupt = false; config->enableWindowMode = false; config->windowValue = 0U; config->timeoutValue = 0xFFFFU; } void WDOG_Init(WDOG_Type *base, const wdog_config_t *config) { assert(config); uint32_t value = 0U; uint32_t primaskValue = 0U; value = WDOG_STCTRLH_WDOGEN(config->enableWdog) | WDOG_STCTRLH_CLKSRC(config->clockSource) | WDOG_STCTRLH_IRQRSTEN(config->enableInterrupt) | WDOG_STCTRLH_WINEN(config->enableWindowMode) | WDOG_STCTRLH_ALLOWUPDATE(config->enableUpdate) | WDOG_STCTRLH_DBGEN(config->workMode.enableDebug) | WDOG_STCTRLH_STOPEN(config->workMode.enableStop) | #if defined(FSL_FEATURE_WDOG_HAS_WAITEN) && FSL_FEATURE_WDOG_HAS_WAITEN WDOG_STCTRLH_WAITEN(config->workMode.enableWait) | #endif /* FSL_FEATURE_WDOG_HAS_WAITEN */ WDOG_STCTRLH_DISTESTWDOG(1U); /* Disable the global interrupts. Otherwise, an interrupt could effectively invalidate the unlock sequence * and the WCT may expire. After the configuration finishes, re-enable the global interrupts. */ primaskValue = DisableGlobalIRQ(); WDOG_Unlock(base); /* Wait one bus clock cycle */ base->RSTCNT = 0U; /* Set configruation */ base->PRESC = WDOG_PRESC_PRESCVAL(config->prescaler); base->WINH = (uint16_t)((config->windowValue >> 16U) & 0xFFFFU); base->WINL = (uint16_t)((config->windowValue) & 0xFFFFU); base->TOVALH = (uint16_t)((config->timeoutValue >> 16U) & 0xFFFFU); base->TOVALL = (uint16_t)((config->timeoutValue) & 0xFFFFU); base->STCTRLH = value; EnableGlobalIRQ(primaskValue); } void WDOG_Deinit(WDOG_Type *base) { uint32_t primaskValue = 0U; /* Disable the global interrupts */ primaskValue = DisableGlobalIRQ(); WDOG_Unlock(base); /* Wait one bus clock cycle */ base->RSTCNT = 0U; WDOG_Disable(base); EnableGlobalIRQ(primaskValue); WDOG_ClearResetCount(base); } void WDOG_SetTestModeConfig(WDOG_Type *base, wdog_test_config_t *config) { assert(config); uint32_t value = 0U; uint32_t primaskValue = 0U; value = WDOG_STCTRLH_DISTESTWDOG(0U) | WDOG_STCTRLH_TESTWDOG(1U) | WDOG_STCTRLH_TESTSEL(config->testMode) | WDOG_STCTRLH_BYTESEL(config->testedByte) | WDOG_STCTRLH_IRQRSTEN(0U) | WDOG_STCTRLH_WDOGEN(1U) | WDOG_STCTRLH_ALLOWUPDATE(1U); /* Disable the global interrupts. Otherwise, an interrupt could effectively invalidate the unlock sequence * and the WCT may expire. After the configuration finishes, re-enable the global interrupts. */ primaskValue = DisableGlobalIRQ(); WDOG_Unlock(base); /* Wait one bus clock cycle */ base->RSTCNT = 0U; /* Set configruation */ base->TOVALH = (uint16_t)((config->timeoutValue >> 16U) & 0xFFFFU); base->TOVALL = (uint16_t)((config->timeoutValue) & 0xFFFFU); base->STCTRLH = value; EnableGlobalIRQ(primaskValue); } uint32_t WDOG_GetStatusFlags(WDOG_Type *base) { uint32_t status_flag = 0U; status_flag |= (base->STCTRLH & WDOG_STCTRLH_WDOGEN_MASK); status_flag |= (base->STCTRLL & WDOG_STCTRLL_INTFLG_MASK); return status_flag; } void WDOG_ClearStatusFlags(WDOG_Type *base, uint32_t mask) { if (mask & kWDOG_TimeoutFlag) { base->STCTRLL |= WDOG_STCTRLL_INTFLG_MASK; } } void WDOG_Refresh(WDOG_Type *base) { uint32_t primaskValue = 0U; /* Disable the global interrupt to protect refresh sequence */ primaskValue = DisableGlobalIRQ(); base->REFRESH = WDOG_FIRST_WORD_OF_REFRESH; base->REFRESH = WDOG_SECOND_WORD_OF_REFRESH; EnableGlobalIRQ(primaskValue); }