CFG中配置: PwmIdleState 参数PWM_IDLE_STATE表示信号停止后PWM的输出状态(例如调用PWM_SetOutputToIdle,Pwm_17_Gtm_DeInit) CFG中配置: PwmNotification 如果启用了回调函数,PWM驱动器可以根据每个单独通道的选定边缘调用通知函数。 CFG中配置: PwmChannelClass PWM通道类别,Autosar标准文档中定义了三种类型,CFG中多扩...
devm_pwm_get() or pwm_get() / pwm_put(): this API is used to look up, request, then free a PWM device. pwm_init_state(),pwm_get_state(), pwm_apply_state(): this API is used to initialize, retrieve and apply the current PWM device state. pwm_config(): this API updates the...
typedefvoid*pwm_handle;pwm_handlepwm_init(intpwm_channal,constchar*label){intret=0;pwm_handlehandle;intkernel_idex;structpwm_device*pwm=NULL;structdevice_node*node=NULL;/* 根据通道号在内核中查找当前注册的 device_node */node=of_alias_get_device_node(pwm_channal,"pwm");/* todo:不添加到内核...
包括 ：PWM 模式、输出极性、使能等。void TIM_OCxInit(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStructure);// 结构体定义 typedef struct{uint16_t TIM_OCMode; // 比较输出模式uint16_t TIM_OutputState; // 比较输出使能uint16_t TIME_OutputNState: // 比较互补输出使能uint32_t...
*/ pwm_init_state(beeper->pwm, &state); state.enabled = false; error = pwm_apply_might_sleep(beeper->pwm, &state); if (error) { dev_err(dev, "failed to apply initial PWM state: %d\n", error); return error; } beeper->amplifier = devm_regulator_get(dev, "amp"); if (IS_...
struct pwm_state:表示一个PWM通道的状态,包括周期、占空比等参数,定义在include/linux/pwm.h文件中。 struct pwm_ops:表示PWM驱动程序的操作函数,包括配置PWM通道、使能/禁用PWM输出等,定义在include/linux/pwm.h文件中。 struct platform_device:表示一个平台设备,包含设备名、设备资源等信息,定义在include/linux/...
TIM_OSSRState = TIM_OSSRState_Enable; TIM1_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_...
如果精度和频率不高的话可以通过软件的方式实现。// TIM3可以为任意定时器voidTIM3_Init(){GPIO_...
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);//初始化TIM1时基 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;//输出比较时间模式,什么都输出 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//通道输出使能 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//互补通道...
* @brief TIM Output Compare Init structure definition */typedef struct{uint16_t TIM_OCMode;/*!< Specifies the TIM mode. This parameter can be a value of @ref TIM_Output_Compare_and_PWM_modes */uint16_t TIM_OutputState;/*!< Specifies the TIM Output Compare state. ...