146 lines
4.9 KiB
C
146 lines
4.9 KiB
C
//*****************************************************************************
|
|
// wdt_if.c
|
|
//
|
|
// watchdog timer interface APIs
|
|
//
|
|
// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
|
|
//
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
//
|
|
// Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
//
|
|
// 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.
|
|
//
|
|
// Neither the name of Texas Instruments Incorporated 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
|
|
// OWNER 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 <stdio.h>
|
|
#include "hw_types.h"
|
|
#include "hw_ints.h"
|
|
#include "hw_memmap.h"
|
|
#include "prcm.h"
|
|
#include "wdt.h"
|
|
#include "rom.h"
|
|
#include "rom_map.h"
|
|
#include "interrupt.h"
|
|
#include "wdt_if.h"
|
|
#if defined(USE_TIRTOS) || defined(USE_FREERTOS) || defined(SL_PLATFORM_MULTI_THREADED)
|
|
#include "osi.h"
|
|
#endif
|
|
/****************************************************************************/
|
|
/* FUNCTION DEFINITIONS */
|
|
/****************************************************************************/
|
|
|
|
//****************************************************************************
|
|
//
|
|
//! Initialize the watchdog timer
|
|
//!
|
|
//! \param fpAppWDTCB is the WDT interrupt handler to be registered
|
|
//! \param uiReloadVal is the reload value to be set to the WDT
|
|
//!
|
|
//! This function
|
|
//! 1. Initializes the WDT
|
|
//!
|
|
//! \return None.
|
|
//
|
|
//****************************************************************************
|
|
void WDT_IF_Init(fAPPWDTDevCallbk fpAppWDTCB,
|
|
unsigned int uiReloadVal)
|
|
{
|
|
//
|
|
// Enable the peripherals used by this example.
|
|
//
|
|
MAP_PRCMPeripheralClkEnable(PRCM_WDT, PRCM_RUN_MODE_CLK);
|
|
|
|
//
|
|
// Unlock to be able to configure the registers
|
|
//
|
|
MAP_WatchdogUnlock(WDT_BASE);
|
|
|
|
if(fpAppWDTCB != NULL)
|
|
{
|
|
#if defined(USE_TIRTOS) || defined(USE_FREERTOS) || defined(SL_PLATFORM_MULTI_THREADED)
|
|
// USE_TIRTOS: if app uses TI-RTOS (either networking/non-networking)
|
|
// USE_FREERTOS: if app uses Free-RTOS (either networking/non-networking)
|
|
// SL_PLATFORM_MULTI_THREADED: if app uses any OS + networking(simplelink)
|
|
osi_InterruptRegister(INT_WDT, fpAppWDTCB, INT_PRIORITY_LVL_1);
|
|
#else
|
|
MAP_IntPrioritySet(INT_WDT, INT_PRIORITY_LVL_1);
|
|
MAP_WatchdogIntRegister(WDT_BASE,fpAppWDTCB);
|
|
#endif
|
|
}
|
|
|
|
//
|
|
// Set the watchdog timer reload value
|
|
//
|
|
MAP_WatchdogReloadSet(WDT_BASE,uiReloadVal);
|
|
|
|
//
|
|
// Start the timer. Once the timer is started, it cannot be disable.
|
|
//
|
|
MAP_WatchdogEnable(WDT_BASE);
|
|
|
|
}
|
|
//****************************************************************************
|
|
//
|
|
//! DeInitialize the watchdog timer
|
|
//!
|
|
//! \param None
|
|
//!
|
|
//! This function
|
|
//! 1. DeInitializes the WDT
|
|
//!
|
|
//! \return None.
|
|
//
|
|
//****************************************************************************
|
|
void WDT_IF_DeInit()
|
|
{
|
|
//
|
|
// Unlock to be able to configure the registers
|
|
//
|
|
MAP_WatchdogUnlock(WDT_BASE);
|
|
|
|
//
|
|
// Disable stalling of the watchdog timer during debug events
|
|
//
|
|
MAP_WatchdogStallDisable(WDT_BASE);
|
|
|
|
//
|
|
// Clear the interrupt
|
|
//
|
|
MAP_WatchdogIntClear(WDT_BASE);
|
|
|
|
//
|
|
// Unregister the interrupt
|
|
//
|
|
MAP_WatchdogIntUnregister(WDT_BASE);
|
|
}
|
|
//*****************************************************************************
|
|
//
|
|
// Close the Doxygen group.
|
|
//! @}
|
|
//
|
|
//*****************************************************************************
|