AS608用串口2可以改成串口5后连不上自己焊的板子-什么都不会的回答

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2019-07-21 10:10

[mw_shl_code=c,true]#include "timer.h"
#include "led.h"
//////////////////////////////////////////////////////////////////////////////////
//±¾3ìDòÖ»1©Ñ§Ï°ê1óÃ￡¬Î′¾-×÷ÕßDí¿é￡¬2»μÃóÃóúÆäËüèÎoÎóÃí¾
//ALIENTEK STM32F103¿a·￠°å
//¶¨ê±Æ÷ Çy¶ˉ′úÂë
//ÕyμãÔ-×ó@ALIENTEK
//¼¼êõÂÛì3:www.openedv.com
//′′½¨èÕÆú:2015/1/10
//°æ±¾￡oV1.2
//°æè¨ËùóD￡¬μá°æ±Ø¾¿¡￡
//Copyright(C) 1ãÖYêDDÇòíμç×ó¿Æ¼¼óDÏT1«Ë¾ 2009-2019
//All rights reserved
//********************************************************************************
//V1.1 20150110
//1,Ôö¼óTIM3_PWM_Initoˉêy¡￡
//2,Ôö¼óLED0_PWM_VALoê¶¨òå￡¬¿ØÖÆTIM3_CH2Âö¿í
//V1.2 20150110
//1,DÂÔöTIM5_Cap_Initoˉêy
//2,DÂÔöTIM5_IRQHandlerÖD¶Ï·tÎñoˉêy
//V1.3 20150411
//1,Ôö¼óTIM7_Int_Initoˉêy¡￡
//2,Ôö¼óTIM7_IRQHandleroˉêy
//////////////////////////////////////////////////////////////////////////////////

//¶¨ê±Æ÷3ÖD¶Ï·tÎñ3ìDò
void TIM3_IRQHandler(void)
{
if(TIM3->SR&0X0001)//òç3öÖD¶Ï
{
LED1=!LED1;
}
TIM3->SR&=~(1<<0);//Çå3yÖD¶Ï±êÖ¾Î»
}
//í¨óÃ¶¨ê±Æ÷3ÖD¶Ï3õê¼»ˉ
//Õaàïê±ÖóÑ¡ÔñÎaAPB1μÄ2±¶￡¬¶øAPB1Îa36M
//arr￡o×Ô¶ˉÖØ×°Öμ¡￡
//psc￡oê±ÖóÔ¤·ÖÆμêy
//Õaàïê1óÃμÄêÇ¶¨ê±Æ÷3!
void TIM3_Int_Init(u16 arr,u16 psc)
{
RCC->APB1ENR|=1<<1; //TIM3ê±Öóê1Äü
TIM3->ARR=arr;    //éè¶¨¼ÆêyÆ÷×Ô¶ˉÖØ×°Öμ//¸ÕoÃ1ms
TIM3->PSC=psc;    //Ô¤·ÖÆμÆ÷7200,μÃμ½10KhzμÄ¼Æêyê±Öó
TIM3->DIER|=1<<0; //ÔêDí¸üDÂÖD¶Ï
TIM3->CR1|=0x01; //ê1Äü¶¨ê±Æ÷3
    MY_NVIC_Init(1,3,TIM3_IRQn,2);//ÇàÕ¼1￡¬×óóÅÏè¼¶3￡¬×é2
}
//TIM3 PWM2¿·Ö3õê¼»ˉ
//PWMêä3ö3õê¼»ˉ
//arr￡o×Ô¶ˉÖØ×°Öμ
//psc￡oê±ÖóÔ¤·ÖÆμêy
void TIM3_PWM_Init(u16 arr,u16 psc)
{
//′Ë2¿·ÖDèêÖ¶ˉDT¸ÄIO¿úéèÖÃ
RCC->APB1ENR|=1<<1; //TIM3ê±Öóê1Äü
RCC->APB2ENR|=1<<3; //ê1ÄüPORTBê±Öó
GPIOB->CRL&=0XFF0FFFFF; //PB5êä3ö
GPIOB->CRL|=0X00B00000; //¸′óÃ1|Äüêä3ö

RCC->APB2ENR|=1<<0;    //¿aÆô¸¨Öúê±Öó
AFIO->MAPR&=0XFFFFF3FF; //Çå3yMAPRμÄ[11:10]
AFIO->MAPR|=1<<11;    //2¿·ÖÖØó3Ïñ,TIM3_CH2->PB5

TIM3->ARR=arr; //éè¶¨¼ÆêyÆ÷×Ô¶ˉÖØ×°Öμ
TIM3->PSC=psc; //Ô¤·ÖÆμÆ÷2»·ÖÆμ

TIM3->CCMR1|=7<<12;    //CH2 PWM2Ä￡ê½
TIM3->CCMR1|=1<<11; //CH2Ô¤×°ÔØê1Äü
TIM3->CCER|=1<<4;    //OC2 êä3öê1Äü
TIM3->CR1=0x0080;    //ARPEê1Äü
TIM3->CR1|=0x01; //ê1Äü¶¨ê±Æ÷3
}
//¶¨ê±Æ÷5í¨μà1êäèë2¶»ñÅäÖÃ
//arr￡o×Ô¶ˉÖØ×°Öμ
//psc￡oê±ÖóÔ¤·ÖÆμêy
void TIM5_Cap_Init(u16 arr,u16 psc)
{
RCC->APB1ENR|=1<<3;    //TIM5 ê±Öóê1Äü
RCC->APB2ENR|=1<<2; //ê1ÄüPORTAê±Öó

GPIOA->CRL&=0XFFFFFFF0; //PA0 Çå3yÖ®Ç°éèÖÃ
GPIOA->CRL|=0X00000008; //PA0 êäèë
GPIOA->ODR|=0<<0; //PA0 ÏÂà-

TIM5->ARR=arr;    //éè¶¨¼ÆêyÆ÷×Ô¶ˉÖØ×°Öμ
TIM5->PSC=psc;    //Ô¤·ÖÆμÆ÷

TIM5->CCMR1|=1<<0; //CC1S=01 Ñ¡Ôñêäèë¶Ë IC1ó3éäμ½TI1éÏ
TIM5->CCMR1|=0<<4; //IC1F=0000 ÅäÖÃêäèëÂË2¨Æ÷ 2»ÂË2¨
TIM5->CCMR1|=0<<10; //IC2PS=00 ÅäÖÃêäèë·ÖÆμ,2»·ÖÆμ

TIM5->CCER|=0<<1; //CC1P=0 éÏéyÑØ2¶»ñ
TIM5->CCER|=1<<0; //CC1E=1 ÔêDí2¶»ñ¼ÆêyÆ÷μÄÖμμ½2¶»ñ¼Ä′æÆ÷ÖD

TIM5->DIER|=1<<1;    //ÔêDí2¶»ñÖD¶Ï
TIM5->DIER|=1<<0;    //ÔêDí¸üDÂÖD¶Ï
TIM5->CR1|=0x01; //ê1Äü¶¨ê±Æ÷2
MY_NVIC_Init(2,0,TIM5_IRQn,2);//ÇàÕ¼2￡¬×óóÅÏè¼¶0￡¬×é2
}

//2¶»ñ×′ì¬
//[7]:0,Ã»óD3é1|μÄ2¶»ñ;1,3é1|2¶»ñμ½ò»′Î.
//[6]:0,»1Ã»2¶»ñμ½¸ßμçÆ½;1,òÑ¾-2¶»ñμ½¸ßμçÆ½áË.
//[5:0]:2¶»ñ¸ßμçÆ½oóòç3öμÄ′Îêy
u8  TIM5CH1_CAPTURE_STA=0; //êäèë2¶»ñ×′ì¬
u16 TIM5CH1_CAPTURE_VAL; //êäèë2¶»ñÖμ
//¶¨ê±Æ÷5ÖD¶Ï·tÎñ3ìDò
void TIM5_IRQHandler(void)
{
u16 tsr;
tsr=TIM5->SR;
if((TIM5CH1_CAPTURE_STA&0X80)==0)//»1Î′3é1|2¶»ñ
{
if(tsr&0X01)//òç3ö
{
if(TIM5CH1_CAPTURE_STA&0X40)//òÑ¾-2¶»ñμ½¸ßμçÆ½áË
{
if((TIM5CH1_CAPTURE_STA&0X3F)==0X3F)//¸ßμçÆ½ì«3¤áË
{
TIM5CH1_CAPTURE_STA|=0X80;//±ê¼Ç3é1|2¶»ñáËò»′Î
TIM5CH1_CAPTURE_VAL=0XFFFF;
}else TIM5CH1_CAPTURE_STA++;
}
}
if(tsr&0x02)//2¶»ñ1·￠éú2¶»ñêÂ¼t
{
if(TIM5CH1_CAPTURE_STA&0X40) //2¶»ñμ½ò»¸öÏÂ½μÑØ
{
TIM5CH1_CAPTURE_STA|=0X80; //±ê¼Ç3é1|2¶»ñμ½ò»′Î¸ßμçÆ½Âö¿í
      TIM5CH1_CAPTURE_VAL=TIM5->CCR1; //»ñè¡μ±Ç°μÄ2¶»ñÖμ.
     TIM5->CCER&=~(1<<1); //CC1P=0 éèÖÃÎaéÏéyÑØ2¶»ñ
}else    //»1Î′¿aê¼,μúò»′Î2¶»ñéÏéyÑØ
{
TIM5CH1_CAPTURE_STA=0; //Çå¿Õ
TIM5CH1_CAPTURE_VAL=0;
TIM5CH1_CAPTURE_STA|=0X40; //±ê¼Ç2¶»ñμ½áËéÏéyÑØ
     TIM5->CNT=0; //¼ÆêyÆ÷Çå¿Õ
     TIM5->CCER|=1<<1; //CC1P=1 éèÖÃÎaÏÂ½μÑØ2¶»ñ
}
}
}
TIM5->SR=0;//Çå3yÖD¶Ï±êÖ¾Î»
}
extern vu16 UART5_RX_STA;
//¶¨ê±Æ÷7ÖD¶Ï·tÎñ3ìDò
void TIM7_IRQHandler(void)
{
if(TIM7->SR&0X01)//êÇ¸üDÂÖD¶Ï
{
UART5_RX_STA|=1<<15; //±ê¼Ç½óêÕíê3é
TIM7->SR&=~(1<<0); //Çå3yÖD¶Ï±êÖ¾Î»
TIM7->CR1&=~(1<<0); //1Ø±Õ¶¨ê±Æ÷7
}
}
//»ù±¾¶¨ê±Æ÷7ÖD¶Ï3õê¼»ˉ
//Õaàïê±ÖóÑ¡ÔñÎaAPB1μÄ2±¶￡¬¶øAPB1Îa36M
//arr￡o×Ô¶ˉÖØ×°Öμ¡￡
//psc￡oê±ÖóÔ¤·ÖÆμêy
//Õaàïê1óÃμÄêÇ¶¨ê±Æ÷7!
void TIM7_Int_Init(u16 arr,u16 psc)
{
RCC->APB1ENR|=1<<5;//TIM7ê±Öóê1Äü
TIM7->ARR=arr;    //éè¶¨¼ÆêyÆ÷×Ô¶ˉÖØ×°Öμ//¸ÕoÃ1ms
TIM7->PSC=psc;    //Ô¤·ÖÆμÆ÷
TIM7->DIER|=1<<0; //ÔêDí¸üDÂÖD¶Ï
TIM7->CR1|=0x01; //ê1Äü¶¨ê±Æ÷7
    MY_NVIC_Init(0,1,TIM7_IRQn,2);//ÇàÕ¼0￡¬×óóÅÏè¼¶1￡¬×é2
}

[/mw_shl_code]

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