println(interruptCounter); } void setup() { Serial.begin(115200); // 初始化定时器 timer = timerBegin(0, 80, true); // 关联中断服务程序 timerAttachInterrupt(timer, &onTimer, true); // 设置定时器报警值(1秒,单位微秒) timerAlarmWrite(timer, 1000000, true); // 启用定时器报警 timer...
timer_init(group, timer, &config); /* Timer's counter will initially start from value below. Also, if auto_reload is set, this value will be automatically reload on alarm */ timer_set_counter_value(group, timer, 0); /* Configure the alarm value and the interrupt on alarm. */ ...
u32_t intr=timer_group_get_intr_status_in_isr(TIMER_GROUP_0);//if(intr&TIMER_INTR_T0)//{//timer_group_clr_intr_status_in_isr(TIMER_GROUP_0,TIMER_1);//gpio_set_level(LED_PIN,1-gpio_get_level(LED_PIN));//timer_group_enable_alarm_in_isr(TIMER_GROUP_0,TIMER_1);//}if(TIMER...
初始化Timer之前,我们需要对结构体timer_config_t内参数进行初始化: typedef struct { bool alarm_en; /*!< Timer alarm enable */ bool counter_en; /*!< Counter enable */ timer_intr_mode_t intr_type; /*!< Interrupt mode */ timer_count_dir_t counter_dir; /*!< Counter direction */ bool...
timerAttachInterrupt(timer, &InterruptEvent,true);//中断绑定定时器timerAlarmWrite(timer,300000,true);//300ms进入一次中断--注意这里不能用另一个函数:timerWrite(timer,300000);实测用这个函数不行。timerAlarmEnable(timer);//使能定时器}voidloop()...
Why do we need this ESP32TimerInterrupt libraryFeaturesThis library enables you to use Interrupt from Hardware Timers on an ESP32-based board.As Hardware Timers are rare, and very precious assets of any board, this library now enables you to use up to 16 ISR-based Timers, while consuming ...
esp32 mqtt心跳包 esp32 timer typedef struct { timer_alarm_t alarm_en; /*!< Timer alarm enable */ timer_start_t counter_en; /*!< Counter enable */ timer_intr_mode_t intr_type; /*!< Interrupt mode */ timer_count_dir_t counter_dir; /*!< Counter direction */...
esp32-hal-timer.c 完整程序 这里我们用一个例子来演示一下,定时器计时周期设置为1秒,在中断函数中控制指示灯以1秒为周期闪烁。 登录后复制#defineLED_GPIO 4/* 创建硬件定时器 */hw_timer_t* timer =NULL;/* LED 状态 */byte led_state = LOW;voidIRAM_ATTRTimer0_Interrupt(){ ...
timer_count_value = timer_group_get_counter_value_in_isr(TIMER_GROUP_0,TIMER_0); } 这个使用的时候编译没有错误,下载进板子之后就会一直报错,一直重启,报错内容如下 Guru Meditation Error: Core 0 panic'ed (Interrupt wdt timeout on CPU0). ...