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Add watchdog routines for Due.
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@ -358,6 +358,52 @@ void serialEventRun(void)
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if (Serial3.available()) serialEvent3();
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}
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// ----------------------------------------------------------------------------
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extern "C" {
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/**
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* Watchdog enable
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*
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* Enable the watchdog timer with the specified settings.
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* WDTO_xxx macros provide standard settings.
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* Should only be called once.
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*/
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void wdt_enable (uint32_t mode)
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{
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WDT_Enable (WDT, mode);
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}
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/**
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* Watchdog disable
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*
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* Disable the watchdog timer.
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* Should only be called once.
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*/
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void wdt_disable(void)
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{
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WDT_Disable (WDT);
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}
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/**
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* Watchdog reset
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*
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* Resets the watchdog counter
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*/
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void wdt_reset(void)
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{
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WDT_Restart (WDT);
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}
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} // extern "C"
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/**
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* Watchdog initialize hook
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*
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* This function is called from init().
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* Default action is to disable watchdog.
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*/
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void wdt_initialize(void) __attribute__ ((weak, alias("wdt_disable")));
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// ----------------------------------------------------------------------------
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#ifdef __cplusplus
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@ -377,8 +423,8 @@ void init( void )
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while (true);
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}
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// Disable watchdog
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WDT_Disable(WDT);
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// Initialize watchdog
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wdt_initialize();
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// Initialize C library
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__libc_init_array();
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@ -232,6 +232,25 @@ static const uint8_t CAN1TX = 89;
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#define TC_MIN_DUTY_CYCLE 0
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#define TC_RESOLUTION 8
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// Watchdog routines
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#define WDTO_15MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(4) | WDT_MR_WDD(4)
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#define WDTO_30MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(8) | WDT_MR_WDD(8)
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#define WDTO_60MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(15) | WDT_MR_WDD(15)
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#define WDTO_120MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(31) | WDT_MR_WDD(31)
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#define WDTO_250MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(64) | WDT_MR_WDD(64)
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#define WDTO_500MS WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(128) | WDT_MR_WDD(128)
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#define WDTO_1S WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(256) | WDT_MR_WDD(256)
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#define WDTO_2S WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(512) | WDT_MR_WDD(512)
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#define WDTO_4S WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(1024) | WDT_MR_WDD(1024)
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#define WDTO_8S WDT_MR_WDRSTEN | WDT_MR_WDRPROC | WDT_MR_WDV(2048) | WDT_MR_WDD(2048)
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void wdt_enable (uint32_t mode);
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void wdt_disable(void);
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void wdt_reset(void);
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#ifdef __cplusplus
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}
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#endif
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@ -274,5 +293,6 @@ extern USARTClass Serial3;
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#define SERIAL_PORT_HARDWARE2 Serial2
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#define SERIAL_PORT_HARDWARE3 Serial3
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#endif /* _VARIANT_ARDUINO_DUE_X_ */
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