91 to prevent overwriting SysTick_Handler defined within STM32Cube HAL */9293#definexPortSysTickHandler sys_tick_handler9495/* USER CODE BEGIN Defines */96/* Section where parameter definitions can be added (for instance, to override default ones in FreeRTOS.h) */97/* USER CODE END Defines...
登录后复制1volatileuint32_ttick_counter =0;23voidsys_tick_handler(void)4{5tick_counter++;6} 这里在中断函数里进行计数; 3.3 使用 一般这个systick定时器在cortex-m芯片中都存在,因此比较通用,可以用作RTOS的时基或用作延时功能,比如根据上面的tick_counter计数可以实现类似Arduino中的millis方式编程: 由于定时...
Handler .global __tx_NMIHandler @ NMI.global __tx_BadHandler @ HardFault .global __tx_SVCallHandler @ SVCall.global __tx_DBGHandler @ Monitor .global __tx_PendSVHandler@ PendSV .global __tx_SysTickHandler @ SysTick .global __tx_IntHandler@ Int 0 .global _initial_sp .global __Vect...
// stm32 systick 1ms 中断 void SysTick_Handler(void) { BSP_Time_IncTick(); // 时间片轮询时基 } 2、创建轮询任务 int main(void) { BSP_Time_Init(); // 时间片轮询初始化 while(1) { if(BSP_Time_CheckTick() ==1 ) { // 500ms轮询任务,绿色led闪烁 if(BSP_Time_CheckSlice(500) =...
肏AL_SuspendTick()函数挂起系统滴答定时器,否则将会被系统滴答定时器(SysTick )中断在1ms内唤醒。程序运行到HAL_PWR_EnterSLEEPMode ()函数时,系统进入睡眠模式,程序停止运行。当按下WAKEUP按键时,触发外部中断0 ,此时系统被唤醒。继续执行HAL_ResumeTick()语句回复系统滴答定时器。
Otherwise the Systick interrupt will wake up the device within 1ms (HAL time base) */ HAL_SuspendTick(); /* Request to enter SLEEP mode */ if(mode == LP_SLEEP) HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); else if(mode == LP_DEEP_SLEEP) HAL_PWR_EnterSLEEP...
) != HAL_OK) { Error_Handler(); } ** Initializes the CPU, AHB and buses clocks */ RCC_ClkInitStruct.Clock = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1; RCC_ClkInitStruct.SYSSource=RCC_SYSCLKSOURCE_ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_1...
Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_Clk...
Systick counter flag to decrement the time-out value */if(Timeout-- == 0){//Error_Handler(...
用上面的MAC替换掉 /etc/sysconfig/network-scripts /ifcfg-eth0中的MAC 然后重启即可 还有一个办法...