TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStruct.TIM_Pulse =5000;//50% for the start, not enabled until set by calling vBoil()TIM_OC1Init( TIM4, &TIM_OCInitStruct );//Pd12//TIM_OC3Init( TIM4, &TIM_OCInitStruct );TIM_SetAutoreload(TIM4, TIM_ARR_TOP);//GPI...