五、修改时钟节拍 RT-Thread为我们提供的配置文件的时钟节拍是1000,也就是1ms,如果你想要修改心跳节拍,可以在rtconfig.h中修改这个宏RT_TICK_PER_SECOND,目前是1000,如果想修改节拍为10ms,则修改该值为10000,修改的时候最好不要直接修改rtconfig.h这个文件,因为KEIL提供了配置界面修改,在配置界面修改安全可靠。 六...
rt_thread_idle_sethook(idle_wfi); rt_hw_systick_init(RT_TICK_PER_SECOND);#ifdef RT_USING_SMP/* install IPI handle */rt_hw_ipi_handler_install(RT_SCHEDULE_IPI, rt_scheduler_ipi_handler);#endif} 结果在调用rt_hw_interrupt_init 时挂了,继续加日志打印呗。/** * This function will initia...
weather_timer = rt_timer_create("weather timer",weather_timer_10min,RT_NULL, 10*60*RT_TICK_PER_SECOND, RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_SOFT_TIMER ); if(weather_timer != RT_NULL) { rt_timer_start(weather_timer); }else { rt_kprintf("weather timer fail!!!\n"); } msh_ex...
<font color="#ff00ff"> HAL_IncTick(); HAL_SYSTICK_IRQHandler();</font> rt_tick_increase(); /* leave interrupt */ rt_interrupt_leave(); } 3)在rtconfig.h使能动态内存管理: 此外,第15行,修改RT_TICK_PER_SECOND为1000。 2. 修改main.c文件,屏蔽掉while(1)死循环,加入测试代码: 【测试代...
rt_uint32_t reload = SysTick->LOAD; ticks = us * reload / (1000000 / RT_TICK_PER_SECOND); told = SysTick->VAL; while (1) { tnow = SysTick->VAL; if (tnow != told) { if (tnow < told) { tcnt += told - tnow; } else { tcnt += reload - tnow + told; } told ...
rt_hw_tick_init intrt_hw_tick_init(void) { /* Read core id */ // unsigned long core_id = current_coreid(); unsignedlonginterval =1000/RT_TICK_PER_SECOND; /* Clear the Supervisor-Timer bit in SIE */ clear_csr(sie, SIP_STIP); ...
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND); NVIC_SetPriority(SysTick_IRQn, 0); } /** * This is the timer interrupt service routine. * */ void SysTick_Handler(void) { /* enter interrupt */ rt_interrupt_enter(); rt_tick_increase(); ...
#define PERCPU_TEST_COUNT 10000 #define NEWLINE_ON 80 #define MAX_RETRIES (RT_TICK_PER_SECOND) static struct rt_semaphore _utestd_exited; static rt_thread_t _utestd[RT_CPUS_NR]; static rt_atomic_t _entry_counts[RT_CPUS_NR]; static struct rt_smp_call_req _callreq_data[RT_CPUS_NR...
在时钟频率很低时,要适当减小RT_TICK_PER_SECOND值,不然由于OS_tick过短,某些线程将不能完成任务,从而不能进入低功耗模式 初始化PM组件注意:休眠模式的时间补偿需要在初始化阶段通过设置 timer_mask 的对应模式的 bit 控制开启。例如需要开启 Deep Sleep 模式下的时间补偿,在实现 timer 相关的 ops 接口后,初始化...
*)SRAM_END);#else/* init memory system */rt_system_heap_init((void*)&__bss_end, (void*)&__ram_top);#endif#endif/* RT_USING_HEAP */rt_hw_uart_init();#ifdefRT_USING_CONSOLErt_console_set_device(RT_CONSOLE_DEVICE_NAME);#endifSysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND)...