Exemplos de LL_IWDG_SetPrescaler em C++ (Cpp)

Exemplo n.º 1

Arquivo: main.c Projeto: N7QWT/klipper

void
watchdog_init(void)
{
    LL_IWDG_EnableWriteAccess(IWDG);
    /* IWDG timer is 40 KHz, configure to trigger every seconds */
    LL_IWDG_SetPrescaler(IWDG, LL_IWDG_PRESCALER_16);
    LL_IWDG_SetReloadCounter(IWDG, 2500);
    LL_IWDG_Enable(IWDG);

}

Exemplo n.º 2

Arquivo: iwdg_stm32.c Projeto: milinddeore/zephyr

static int iwdg_stm32_install_timeout(struct device *dev,
				      const struct wdt_timeout_cfg *config)
{
	IWDG_TypeDef *iwdg = IWDG_STM32_STRUCT(dev);
	u32_t timeout = config->window.max * USEC_PER_MSEC;
	u32_t prescaler = 0U;
	u32_t reload = 0U;
	u32_t tickstart;

	if (config->callback != NULL) {
		return -ENOTSUP;
	}

	iwdg_stm32_convert_timeout(timeout, &prescaler, &reload);

	if (IS_IWDG_TIMEOUT(timeout) || IS_IWDG_PRESCALER(prescaler) ||
	    IS_IWDG_RELOAD(reload)) {
		/* One of the parameters provided is invalid */
		return -EINVAL;
	}

	tickstart = k_uptime_get_32();

	while (LL_IWDG_IsReady(iwdg) == 0) {
		/* Wait untill WVU, RVU, PVU are reset before updating  */
		if ((k_uptime_get_32() - tickstart) > IWDG_DEFAULT_TIMEOUT) {
			return -ENODEV;
		}
	}

	LL_IWDG_EnableWriteAccess(iwdg);

	LL_IWDG_SetPrescaler(iwdg, prescaler);
	LL_IWDG_SetReloadCounter(iwdg, reload);

	return 0;
}