TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //运行模式下“关闭模式”选择 = 1 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //空闲模式下“关闭模式”选择 = 1 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //锁定级别1,见参考手册 TIM_BDTRInitStructure.TIM_...
TIM1 和TIM8 刹车和死区寄存器(TIMx_BDTR): 死区时间控制寄存器位: 首先,理解这些计算位的含意,如下: DT 为需要计算的死区时间; TDTS为系统时钟所产生的周期时间; Tdtg为步进计算值,Tdtg = TDTS * 倍数; 接着,以定时器设定为72MHz进行计算举例: TDTS = 1 / 72MHz = 13.89ns; 当第一种情况,求死区...
断路源可以是时钟故障事件,由内部复位时钟控制器中的时钟安全系统(CSS)生成,也可以是外部断路输入 IO,两者是或运算关系。系统复位启动都默认关闭断路功能,将断路和死区寄存器(TIMx_BDTR)的 BKE 为置 1,使能断路功能。可通过 TIMx_BDTR 寄存器的 BKP 位设置设置断路输入引脚的有效电平,设置为 1 时输入 BRK 为高...
TIM1_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //TIM1 刹车输入管脚极性 TIM1...
TIM_BDTRConfig(TIM1, 0, 0, 0, 0); // 启动TIM1 TIM_Cmd(TIM1, ENABLE); } int main(void) { TIM1_PWM_Init(); while(1) { } } 5. 结论 通过上述代码,我们成功配置了STM32的TIM1来实现PWM互补输出、死区时间和刹车功能。这些功能对于电机控制等应用至关重要,可以提高系统的稳定性和安全性。
TIM1->DIER = 0x03;//开启比较中断 TIM1->BDTR = 0x8000;TIM1->CR1 = 0x81;定时器1使能 nvic...
TIM1->BDTR |=1<<15; //打开MOE } 主程序(部分)如下:int main(void){ Stm32_Clock_Init()...
TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; // 输出比较信号死区时间配置,具体如何计算可参考 BDTR:UTG[7:0]的描述 ...
BDTR structure definition TIM_ICInitTypeDef TIM Input Capture Init structure definition TIM_OCInitTypeDef TIM Output Compare Init structure definition TIM_TimeBaseInitTypeDef TIM Time Base Init structure definition TIM_TypeDef TIM 1. 2. 3. 4.
TIM1_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; TIM1_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; TIM1_BDTRInitStructure.TIM_DeadTime = 0x75; TIM1_BDTRInitStructure.TIM_Break = TIM_Break_Enable; TIM1_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; TIM1_BDTRInit...