52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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#include "McuBspWatchdog.h"
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static void McuBspWatchdogIntHandler(void);
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static void McuBspWatchdogFreedDog(void);
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static uint8_t gMcuBspWatchdogTick = 0;
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static uint8_t gMcuBspWatchdogFlag = 0;
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void McuBspWatchdogInit(void)
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{
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SysCtlPeripheralEnable(SYSCTL_PERIPH_WDOG0);
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IntEnable(INT_WATCHDOG);
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WatchdogUnlock(WATCHDOG0_BASE);
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WatchdogReloadSet(WATCHDOG0_BASE, SysFreqGet());
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WatchdogResetEnable(WATCHDOG0_BASE);
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WatchdogLock(WATCHDOG0_BASE);
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BSP_IntVectSet((CPU_INT08U)BSP_INT_ID_WDTO_WDT1, (CPU_FNCT_VOID)McuBspWatchdogIntHandler);
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BSP_IntEn(BSP_INT_ID_WDTO_WDT1);
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WatchdogEnable(WATCHDOG0_BASE);
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}
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void McuBspWatchdogFreedWatchdog(void)
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{
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gMcuBspWatchdogTick = 0;
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}
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void McuBspWatchdogStopFreedWatchdog(void)
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{
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gMcuBspWatchdogFlag = 1;
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}
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static void McuBspWatchdogFreedDog(void)
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{
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WatchdogUnlock(WATCHDOG0_BASE);
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WatchdogReloadSet(WATCHDOG0_BASE, SysFreqGet());
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WatchdogLock(WATCHDOG0_BASE);
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}
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static void McuBspWatchdogIntHandler(void)
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{
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OSIntEnter();
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gMcuBspWatchdogTick++;
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if (gMcuBspWatchdogTick > 30) {
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gMcuBspWatchdogFlag = 1;
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}
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if (gMcuBspWatchdogFlag == 0) {
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WatchdogIntClear(WATCHDOG0_BASE);
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McuBspWatchdogFreedDog();
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}
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OSIntExit();
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}
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