/** * @brief 低功耗模式下的按键初始化(用于唤醒睡眠模式/停止模式) * @param 无 * @retval 无 */ void pwr_wkup_key_init(void) { GPIO_InitTypeDef gpio_init_struct; PWR_WKUP_GPIO_CLK_ENABLE(); /* WKUP时钟使能 */ gpio_init_struct.Pin = PWR_WKUP_GPIO_PIN; /* WKUP引脚 */ gpio_init...
* @arg PWR_WAKEUP_PIN5_HIGH or PWR_WAKEUP_PIN5_LOW * @arg PWR_WAKEUP_PIN6_HIGH or PWR_WAKEUP_PIN6_LOW * @note PWR_WAKEUP_PINx and PWR_WAKEUP_PINx_HIGH are equivalent. * @retval None */voidHAL_PWR_EnableWakeUpPin(uint32_tWakeUpPinPolarity){ assert_param(IS_PWR_WAKEUP_PIN(WakeUpPin...
WAKEUP_PIN1配置唤醒失效 初学STM32 请高人指点 若配置PA0为中断触发，则可以正常唤醒 | 配置如图:...
if(HAL_GPIO_ReadPin(KEY0_GPIO_Port,KEY0_Pin) == GPIO_PIN_RESET) { /*进入待机模式*/ mode_flag =1; printf("\r\nKEY0 Pressed,Into StandBy Mode\r\n"); HAL_PWR_EnableWakeUpPin(PWR_WAKEUP_PIN1); HAL_PWR_EnterSTANDBYMode(); while(!HAL_GPIO_ReadPin(KEY0_GPIO_Port,KEY0_Pin)); }...
等待事件）指令，或者当 Cortex®-M7 系统控制寄存器中的 SLEEPONEXIT 位在从 ISR 恢复期间置 1 时...
(uint32_tPWR_PVDLevel);// 使能WakeUP引脚,上升沿可以唤醒待机模式下的STM32voidPWR_WakeUpPinCmd(FunctionalState NewState);// STM32进入停机模式voidPWR_EnterSTOPMode(uint32_tPWR_Regulator,uint8_tPWR_STOPEntry);// STM32进入待机模式voidPWR_EnterSTANDBYMode(void);// 获取PWR相关的标志位FlagStatusPWR...
* was received from the WKUP pin or from the RTC alarm * An additional wakeup event is detected if the WKUP pin is enabled * (by setting the EWUP bit) when the WKUP pin level is already high. * @arg PWR_FLAG_SB: StandBy flag. This flag indicates tha...
(RCC_APB1Periph_PWR,ENABLE);// PWR_WakeUpPinCmd(ENABLE);MyRTC_SetTime(&time);OLED_ShowString(1, 1, "ALR :");OLED_ShowString(2, 1, "ALRF:");OLED_ShowString(3, 1, "CNT :");uint32_t Alarm=RTC_GetCounter()+10;RTC_SetAlarm(Alarm);OLED_ShowNum(1,6,Alarm,10);while (1){My...
* - Wakeup using WakeUp Pin (PI.11) * @param None * @retval None */voidStandbyBKPSRAMMode_Measure(void){/* Enable Power Clock*/__HAL_RCC_PWR_CLK_ENABLE();/* Allow access to Backup */HAL_PWR_EnableBkUpAccess();/* Reset RTC Domain */__HAL_RCC_BACKUPRESET_FORCE(); ...
在main.c主函数中添加应用测试程序。程序中不断读取用户按键标志,同时LED1不断闪烁。但有WAKEUP按键按下时,跳出循环,然后等待按键释放,关闭LED1。最后根据stm32fxx_lp_modes.h中的宏定义,进入对应的低功耗模式测试函数。 <syntaxhighlightlang="python">/*USERCODEBEGIN2*/printf("\r\n*** STM32F7 LowPower...