初级会员

- 积分
- 85
- 金钱
- 85
- 注册时间
- 2015-12-16
- 在线时间
- 10 小时
|
5金钱
我根据原子的帖子配置了TIM1的通道1,TIM4的通道1 2 3 4,但是都没有输出,请大侠帮忙看下,代码如下:
TIM初始化:
void TIM4_PWM_Init(u32 arr,u32 psc)
{
//′Ë2¿·ÖDèêÖ¶ˉDT¸ÄIO¿úéèÖÃ
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE); //TIM4ê±Öóê1Äü
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE); //ê1ÄüPORTDê±Öó
GPIO_InitStructure.GPIO_Pin = GPIO_PinSource12 | GPIO_PinSource13 | GPIO_PinSource14 | GPIO_PinSource15; //GPIOD12 13 14 15
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //¸′óÃ1|Äü
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //Ëù¶è100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //íÆíì¸′óÃêä3ö
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //
GPIO_Init(GPIOD,&GPIO_InitStructure); //3õê¼»ˉPD12 13 14 15
GPIO_PinAFConfig(GPIOD,GPIO_PinSource12 | GPIO_PinSource13 | GPIO_PinSource14 | GPIO_PinSource15,GPIO_AF_TIM4); //GPIOD12 13 14 15¸′óÃÎa¶¨ê±Æ÷4
TIM_TimeBaseStructure.TIM_Prescaler=psc; //¶¨ê±Æ÷·ÖÆμ
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; //ÏòéϼÆêyÄ£ê½
TIM_TimeBaseStructure.TIM_Period=arr; //×Ô¶ˉÖØ×°ÔØÖμ
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM4,&TIM_TimeBaseStructure);//3õê¼»ˉ¶¨ê±Æ÷4
//3õê¼»ˉTIM4 Channel1 2 3 4 PWMÄ£ê½
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //Ñ¡Ôñ¶¨ê±Æ÷Ä£ê½:TIMÂö3å¿í¶èμ÷ÖÆÄ£ê½2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //±è½Ïêä3öê1Äü
// TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //êä3ö¼«DÔ:TIMêä3ö±è½Ï¼«DÔμí
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //êä3ö¼«DÔ:TIMêä3ö±è½Ï¼«DÔ¸ß
TIM_OCInitStructure.TIM_Pulse=0;
TIM_OC1Init(TIM4, &TIM_OCInitStructure); //¸ù¾YTÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIM4OC1
TIM_OC2Init(TIM4, &TIM_OCInitStructure); //¸ù¾YTÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIM4OC1
TIM_OC3Init(TIM4, &TIM_OCInitStructure); //¸ù¾YTÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIM4OC1
TIM_OC4Init(TIM4, &TIM_OCInitStructure); //¸ù¾YTÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIM4OC1
TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); //ê1ÄüTIM4ÔúCCR1éÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); //ê1ÄüTIM4ÔúCCR1éÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); //ê1ÄüTIM4ÔúCCR1éÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); //ê1ÄüTIM4ÔúCCR1éÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_ARRPreloadConfig(TIM4,ENABLE);//ARPEê1Äü
TIM_Cmd(TIM4, ENABLE); //ê1ÄüTIM14
}
//TIM1 PWM2¿·Ö3õê¼»ˉ
//PWMêä3ö3õê¼»ˉ
//arr£o×Ô¶ˉ֨װÖμ
//psc£oê±ÖóÔ¤·ÖÆμêy
void TIM1_PWM_Init(u32 arr,u32 psc)
{
//′Ë2¿·ÖDèêÖ¶ˉDT¸ÄIO¿úéèÖÃ
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE); //TIM1ê±Öóê1Äü
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE); //ê1ÄüPORTEê±Öó
GPIO_InitStructure.GPIO_Pin = GPIO_PinSource9; //GPIOE9
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //¸′óÃ1|Äü
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //Ëù¶è100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //íÆíì¸′óÃêä3ö
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //
GPIO_Init(GPIOE,&GPIO_InitStructure); //3õê¼»ˉPE9
GPIO_PinAFConfig(GPIOE,GPIO_PinSource9 ,GPIO_AF_TIM1); //GPIOE9¸′óÃÎa¶¨ê±Æ÷1
TIM_TimeBaseStructure.TIM_Prescaler=psc; //¶¨ê±Æ÷·ÖÆμ
TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; //ÏòéϼÆêyÄ£ê½
TIM_TimeBaseStructure.TIM_Period=arr; //×Ô¶ˉÖØ×°ÔØÖμ
TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM1,&TIM_TimeBaseStructure);//3õê¼»ˉ¶¨ê±Æ÷1
//3õê¼»ˉTIM4 Channel1 PWMÄ£ê½
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //Ñ¡Ôñ¶¨ê±Æ÷Ä£ê½:TIMÂö3å¿í¶èμ÷ÖÆÄ£ê½2
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //±è½Ïêä3öê1Äü
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //êä3ö¼«DÔ:TIMêä3ö±è½Ï¼«DÔμí
TIM_OCInitStructure.TIM_Pulse=0;
TIM_OC1Init(TIM1, &TIM_OCInitStructure); //¸ù¾YTÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèTIM1 OC1
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); //ê1ÄüTIM4ÔúCCR1éÏμÄÔ¤×°ÔØ¼Ä′æÆ÷
TIM_ARRPreloadConfig(TIM1,ENABLE);//ARPEê1Äü
TIM_Cmd(TIM1, ENABLE); //ê1ÄüTIM14
TIM_CtrlPWMOutputs(TIM1,ENABLE);
}
MAIN函数:
int main(void)
{
OS_ERR err;
CPU_SR_ALLOC();
delay_init(168); //ê±Öó3õê¼»ˉ
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÖD¶Ï·Ö×éÅäÖÃ
// uart_init(115200); //′®¿ú3õê¼»ˉ
LED_Init(); //LED3õê¼»ˉ
// ADS1232_IO_Init();
TIM1_PWM_Init(1000-1,84-1);//84M/84=1MhzμļÆêyÆμÂê,ÖØ×°ÔØÖμ1000£¬ËùòÔ WMÆμÂêÎa 1M/1000=1Khz.
TIM4_PWM_Init(1000-1,84-1);
TIM_SetCompare1(TIM4,200);
TIM_SetCompare2(TIM4,100);
TIM_SetCompare3(TIM4,50);
TIM_SetCompare4(TIM4,100);
TIM_SetCompare1(TIM1,500);
while(1)
{u32 count;
if(count<10000000)
count++;
else
{
count = 0;
LED8=~LED8;
}
}
}
|
最佳答案
查看完整内容[请看2#楼]
调出来了, GPIO_PinAFConfig(GPIOD,GPIO_PinSource12 | GPIO_PinSource13 | GPIO_PinSource14 | GPIO_PinSource15,GPIO_AF_TIM4); 这个不能这么写,
要一个一个配置:
GPIO_PinAFConfig(GPIOD,GPIO_PinSource12,GPIO_AF_TIM4); [/backcolor]
GPIO_PinAFConfig(GPIOD,GPIO_PinSource13,GPIO_AF_TIM4);[/backcolor] [/backcolor]
GPIO_PinAFConfig(GPIOD,GPIO_PinSource14,GPIO_AF_TIM4);[/backcolor] [/backcolor]
GPIO_P ...
|