C++ (Cpp) WDT_CTRL_KEY示例

示例#1

/**
 * \brief Stop watch dog timer.
 */
__INLINE static void stop_wdt(void)
{
	/* Disable WDT. */
#if SAM4L
	uint32_t wdt_reg = WDT->WDT_CTRL;
	wdt_reg &= ~(WDT_CTRL_EN | WDT_CTRL_KEY_Msk);
	wdt_reg |= WDT_CTRL_KEY(0x55u);
	WDT->WDT_CTRL = wdt_reg;
	wdt_reg &= ~WDT_CTRL_KEY_Msk;
	wdt_reg |= WDT_CTRL_KEY(0xAAu);
	WDT->WDT_CTRL = wdt_reg;
#else
	WDT->WDT_MR = WDT_MR_WDDIS;
#endif
}

示例#2

文件： event.c 项目： thegeek82000/asf

/**
 *  \brief Set Control register function for WDT
 */
static void wdt_set_ctrl(uint32_t ctrl)
{
	WDT->WDT_CTRL = ctrl | WDT_CTRL_KEY((uint32_t)0x55);
	WDT->WDT_CTRL = ctrl | WDT_CTRL_KEY((uint32_t)0xAA);
}