void TIM10_PWMOut_Init( u16 arr, u16 psc, u16 ccp )
{
? ? GPIO_InitTypeDef GPIO_InitStructure={0};
? ? TIM_OCInitTypeDef TIM_OCInitStructure={0};
? ? TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
? ? RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
? ? ?GPIO_PinRemapConfig(GPIO_PartialRemap_TIM10,ENABLE);
? ? RCC_APB2PeriphClockCmd( RCC_APB2Periph_TIM10, ENABLE );
? ? GPIO_PinRemapConfig(GPIO_PartialRemap_TIM10,ENABLE);
? ?
? ?
? ? GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
? ? GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
? ? GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
? ? GPIO_Init( GPIOB, &GPIO_InitStructure );
? ? TIM_TimeBaseInitStructure.TIM_Period = arr;
? ? TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
? ? TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
? ? TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
? ? TIM_TimeBaseInit( TIM10, &TIM_TimeBaseInitStructure);
? ? TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
? ? TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
? ? TIM_OCInitStructure.TIM_Pulse = ccp;
? ? TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
? ? TIM_OC1Init( TIM10, &TIM_OCInitStructure );
? ? TIM_CtrlPWMOutputs(TIM10, ENABLE );
? ? TIM_OC1PreloadConfig( TIM10, TIM_OCPreload_Disable );
? ? TIM_ARRPreloadConfig( TIM10, ENABLE );
? ? TIM_Cmd( TIM10, ENABLE );
}
煩請(qǐng)F(tuán)AE看下上述初始化哪里有問(wèn)題。無(wú)法輸出波形