RT_TIMER_FLAG_PERIODIC); /* 启动定时器 1 */ if (timer1 != RT_NULL) rt_timer_start(timer1); /* 创建定时器 2 单次定时器 */ timer2 = rt_timer_create("timer2", timeout2, RT_NULL, 30, RT_TIMER_FLAG_ONE_SHOT); /* 启动定时器 2 *
int drv_pm_hw_init(void) { static const struct rt_pm_ops _ops = { stm32_sleep, stm32_run, stm32_pm_timer_start, stm32_pm_timer_stop, stm32_pm_timer_get_tick }; rt_uint8_t timer_mask = 0; /* Enable Power Clock */ __HAL_RCC_PWR_CLK_ENABLE(); /* initialize timer mask...
1.7 rt_system_timer_thread_init(),启动软定时器线程,之所以说是软定时器,是区别于硬件定时器,对于STM32,有systick, RTC等硬件模块实现硬件实时器,软定时器通过宏RT_USING_TIMER_SOFT来使能。 void rt_system_timer_thread_init(void) { #ifdef RT_USING_TIMER_SOFT int i; for (i = 0; i < sizeof(...
内核命令行参数”threadirqs“可以将中断处理函数由硬中断上下文变成进程上下文,进程的调度策略是SCHED_FIFO并且优先级为50。 如果需要禁止对中断进行线程化,可以使用IRQF_NO_THREAD作为flag。 同时IRQF_TIMER类型的中断也隐式禁止了对中断进行线程化。 #define IRQF_NO_THREAD 0x00010000 #define IRQF_TIMER (__IRQF_...
本文基于TC397+Tasking实现SMP(Symmetric Multi-Processing,对称多处理),这里的多核属于同构多核。相对于SMP,AMP(Asymmetric Multi-Processing,非对称多处理)主要用于异构多核处理。 本文,主要记录RTThread多核实现过程中的"雷区"。 1、RTThread多核实现细节 ...
Add sys_setitimer function Replace lwp_new function with lwp_create; Replace irq disable/enable code in futex; Replace off_t with size_t in lwp_syscall.c Fix CPU affinity setting issue; Fix rt_channel internal lock issue; Fix pid recycling issue; Fix init process signal protection flag set...
本文基于TC397+Tasking实现SMP(Symmetric Multi-Processing,对称多处理),这里的多核属于同构多核。相对于SMP,AMP(Asymmetric Multi-Processing,非对称多处理)主要用于异构多核处理。 本文,主要记录RTThread多核实现过程中的"雷区"。 1、RTThread多核实现细节 ...
if (_pm_init_flag == 0) return; if (mode > (PM_SLEEP_MODE_MAX - 1)) return; level = rt_hw_interrupt_disable(); pm = &_pm; if (pm->modes[mode] > 0) pm->modes[mode] --;//将对应的模式计数减1 rt_hw_interrupt_enable(level); ...
FLEXIO_CAMERA_ClearStatusFlags(&g_FlexioCameraDevice, kFLEXIO_CAMERA_RxDataRegFullFlag | kFLEXIO_CAMERA_RxErrorFlag); FLEXIO_ClearTimerStatusFlags(FLEXIO2, 0xFF);/* Enable FlexIO. */ FLEXIO_CAMERA_Enable(&g_FlexioCameraDevice, true);int
RT1W information RT1W heading information RT1W mapping Table 1. Structure RT1W Table 2. Structure RT1TRECC Table 3. Structure RT1TRACK Table 4. Structure @NM00010 Table 5. Structure RTMW Table 6. Constants for RT1W