关于SIM卡和GPS定位功能整合

2019-07-20 14:15发布

我想做一个通过SIM卡的短信功能把当前位置发送给其他人，单个功能都尝试了，但是放在一起始终调不通。sim卡用的是串口3，GPS用的是串口2，sim卡功能正常，但是串口2始终获取不到定位信息，单个跑GPS程序可以获取定位信息
网上看了可能是双串口问题，但是也没能解决，希望有志之士能给予解答一下，以下是我的串口初始化和中断处理
[mw_shl_code=c,true]//串口2
u16 USART2_RX_STA=0;
void USART2_IRQHandler(void)
{
if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)//ÊÇ¸üÐÂÖÐ¶Ï
{
USART2_RX_STA|=1<<15; //±ê¼Ç½ÓÊÕÍê³É
TIM_ClearITPendingBit(TIM2, TIM_IT_Update  );  //Çå³ýTIM7¸üÐÂÖÐ¶Ï±êÖ¾
TIM_Cmd(TIM2, DISABLE);  //¹Ø±ÕTIM7
}
}
#endif
//³õÊ¼»¯IO ´®¿Ú3
//bound:²¨ÌØÂÊ
void usart2_init(u32 bound)
{

NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE);    //Ê¹ÄÜGPIOBÊ±ÖÓ
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);    //Ê¹ÄÜUSART2Ê±ÖÓ

USART_DeInit(USART2);                                  //¸´Î»´®¿Ú3

GPIO_PinAFConfig(GPIOA,GPIO_PinSource3,GPIO_AF_USART2);  //GPIOB11¸´ÓÃÎªUSART3
GPIO_PinAFConfig(GPIOA,GPIO_PinSource2,GPIO_AF_USART2);  //GPIOB10¸´ÓÃÎªUSART3

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_2; //GPIOB11ºÍGPIOB10³õÊ¼»¯
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;             //¸´ÓÃ¹¦ÄÜ
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //ËÙ¶È50MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;          //ÍÆÍì¸´ÓÃÊä³ö
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;             //ÉÏÀ
GPIO_Init(GPIOA,&GPIO_InitStructure);                   //³õÊ¼»¯GPIOB11£¬ºÍGPIOB10

USART_InitStructure.USART_BaudRate = bound;                                  //²¨ÌØÂÊ
USART_InitStructure.USART_WordLength = USART_WordLength_8b;                   //×Ö³¤Îª8Î»Êý¾Ý¸ñÊ½
USART_InitStructure.USART_StopBits = USART_StopBits_1;                      //Ò»¸öÍ£Ö¹Î»
USART_InitStructure.USART_Parity = USART_Parity_No;                         //ÎÞÆæÅ¼Ð£ÑéÎ»
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎÞÓ²¼þÊý¾ÝÁ÷¿ØÖÆ
USART_InitStructure.USART_Mode = USART_Mode_Rx;             //ÊÕ·¢Ä£Ê½

USART_Init(USART2, &USART_InitStructure);                                     //³õÊ¼»¯´®¿Ú3

USART_Cmd(USART2, ENABLE);                                                    //Ê¹ÄÜ´®¿Ú

  USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);          //¿ªÆôÖÐ¶Ï

NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//ÇÀÕ¼ÓÅÏÈ¼¶2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //×ÓÓÅÏÈ¼¶3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQÍ¨µÀÊ¹ÄÜ
NVIC_Init(&NVIC_InitStructure);                         //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯VIC¼Ä´æÆ÷
TIM2_Int_Init(100-1,8400-1);                      //10msÖÐ¶Ï
USART2_RX_STA=0;                                  //ÇåÁã
TIM_Cmd(TIM2, DISABLE);                               //¹Ø±Õ¶¨Ê±Æ÷7

}[/mw_shl_code]

[mw_shl_code=c,true]//串口3
u16 USART3_RX_STA=0;
void USART3_IRQHandler(void)
{
u8 res;
if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET)//½ÓÊÕµ½Êý¾Ý
{

res =USART_ReceiveData(USART3);
if((USART3_RX_STA&(1<<15))==0)                //½ÓÊÕÍêµÄÒ»ÅúÊý¾Ý,»¹Ã»ÓÐ±»´¦Àí,Ôò²»ÔÙ½ÓÊÕÆäËûÊý¾Ý
{
if(USART3_RX_STA<USART3_MAX_RECV_LEN) //»¹¿ÉÒÔ½ÓÊÕÊý¾Ý
{
TIM_SetCounter(TIM7,0);                //¼ÆÊýÆ÷Çå¿Õ
if(USART3_RX_STA==0)
TIM_Cmd(TIM7, ENABLE);             //Ê¹ÄÜ¶¨Ê±Æ÷7
USART3_RX_BUF[USART3_RX_STA++]=res; //¼ÇÂ¼½ÓÊÕµ½µÄÖµ
}else
{
USART3_RX_STA|=1<<15; //Ç¿ÖÆ±ê¼Ç½ÓÊÕÍê³É
}
}
}
}
#endif
//³õÊ¼»¯IO ´®¿Ú3
//bound:²¨ÌØÂÊ
void usart3_init(u32 bound)
{

NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE);    //Ê¹ÄÜGPIOBÊ±ÖÓ
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);    //Ê¹ÄÜUSART3Ê±ÖÓ

USART_DeInit(USART3);                                  //¸´Î»´®¿Ú3

GPIO_PinAFConfig(GPIOB,GPIO_PinSource11,GPIO_AF_USART3);  //GPIOB11¸´ÓÃÎªUSART3
GPIO_PinAFConfig(GPIOB,GPIO_PinSource10,GPIO_AF_USART3);  //GPIOB10¸´ÓÃÎªUSART3

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_10; //GPIOB11ºÍGPIOB10³õÊ¼»¯
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;             //¸´ÓÃ¹¦ÄÜ
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;       //ËÙ¶È50MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;          //ÍÆÍì¸´ÓÃÊä³ö
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;             //ÉÏÀ
GPIO_Init(GPIOB,&GPIO_InitStructure);                   //³õÊ¼»¯GPIOB11£¬ºÍGPIOB10

USART_InitStructure.USART_BaudRate = bound;                                  //²¨ÌØÂÊ
USART_InitStructure.USART_WordLength = USART_WordLength_8b;                   //×Ö³¤Îª8Î»Êý¾Ý¸ñÊ½
USART_InitStructure.USART_StopBits = USART_StopBits_1;                      //Ò»¸öÍ£Ö¹Î»
USART_InitStructure.USART_Parity = USART_Parity_No;                         //ÎÞÆæÅ¼Ð£ÑéÎ»
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎÞÓ²¼þÊý¾ÝÁ÷¿ØÖÆ
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;             //ÊÕ·¢Ä£Ê½

USART_Init(USART3, &USART_InitStructure);                                     //³õÊ¼»¯´®¿Ú3

USART_Cmd(USART3, ENABLE);                                                    //Ê¹ÄÜ´®¿Ú

  USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);          //¿ªÆôÖÐ¶Ï

NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2 ;//ÇÀÕ¼ÓÅÏÈ¼¶2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //×ÓÓÅÏÈ¼¶3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQÍ¨µÀÊ¹ÄÜ
NVIC_Init(&NVIC_InitStructure);                         //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯VIC¼Ä´æÆ÷
TIM7_Int_Init(100-1,8400-1);                      //10msÖÐ¶Ï
USART3_RX_STA=0;                                  //ÇåÁã
TIM_Cmd(TIM7, DISABLE);                               //¹Ø±Õ¶¨Ê±Æ÷7
       USART_ClearFlag(USART3, USART_FLAG_TC);

}[/mw_shl_code]

[mw_shl_code=c,true]//定时器初始化
extern vu16 USART3_RX_STA;

//¶¨Ê±Æ÷7ÅäÖÃÔ¤×°ÔØÖÜÆÚÖµ
void TIM7_SetARR(u16 period)
{
   TIM_SetCounter(TIM7,0);//¼ÆÊýÆ÷Çå¿Õ
   TIM7->ARR&=0x00;    //ÏÈÇåÔ¤×°ÔØÖÜÆÚÖµÎª0
   TIM7->ARR|= period; //¸üÐÂÔ¤×°ÔØÖÜÆÚÖµ
}

//¶¨Ê±Æ÷7ÖÐ¶Ï·þÎñ³ÌÐò
void TIM7_IRQHandler(void)
{
static u8 i=0;

if(TIM_GetITStatus(TIM7, TIM_IT_Update) != RESET) //ÊÇ¸üÐÂÖÐ¶Ï
{
TIM_ClearITPendingBit(TIM7, TIM_IT_Update  );  //Çå³ýTIM7¸üÐÂÖÐ¶Ï±êÖ¾
if(Scan_Wtime!=0)//À¶ÑÀÉ¨ÃèÄ£Ê½
{
i++;
if(i==Scan_Wtime)
{
i=0;
Scan_Wtime = 0;
USART3_RX_STA|=1<<15;    //±ê¼Ç½ÓÊÕÍê³É
TIM_Cmd(TIM7, DISABLE);  //¹Ø±Õ¶¨Ê±Æ÷7
TIM7_SetARR(100-1);    //ÖØÐÂÉèÖÃÎª10msÖÐ¶Ï
}
}
else//·ÇÀ¶ÑÀÉ¨ÃèÄ£Ê½
      {
         USART3_RX_STA|=1<<15;       //±ê¼Ç½ÓÊÕÍê³É
   TIM_Cmd(TIM7, DISABLE);    //¹Ø±ÕTIM7

}
}
}

//Í¨ÓÃ¶¨Ê±Æ÷ÖÐ¶Ï³õÊ¼»¯
//ÕâÀïÊ¼ÖÕÑ¡ÔñÎªAPB1µÄ2±¶£¬¶øAPB1Îª36M
//arr£º×Ô¶¯ÖØ×°Öµ¡£
//psc£ºÊ±ÖÓÔ¤·ÖÆµÊý
void TIM7_Int_Init(u16 arr,u16 psc)
{
NVIC_InitTypeDef NVIC_InitStructure;
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);//TIM7Ê±ÖÓÊ¹ÄÜ

//¶¨Ê±Æ÷TIM7³õÊ¼»¯
TIM_TimeBaseStructure.TIM_Period = arr;                   //ÉèÖÃÔÚÏÂÒ»¸ö¸üÐÂÊÂ¼þ×°Èë»î¶¯µÄ×Ô¶¯ÖØ×°ÔØ¼Ä´æÆ÷ÖÜÆÚµÄÖµ
TIM_TimeBaseStructure.TIM_Prescaler =psc;                //ÉèÖÃÓÃÀ´×÷ÎªTIMxÊ±ÖÓÆµÂÊ³ýÊýµÄÔ¤·ÖÆµÖµ
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //ÉèÖÃÊ±ÖÓ·Ö¸î:TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//TIMÏòÉÏ¼ÆÊýÄ£Ê½
TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure);          //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯TIMxµÄÊ±¼ä»ùÊýµ¥Î»

TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE );                //Ê¹ÄÜÖ¸¶¨µÄTIM7ÖÐ¶Ï,ÔÊÐí¸üÐÂÖÐ¶Ï


NVIC_InitStructure.NVIC_IRQChannel = TIM7_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ; //ÇÀÕ¼ÓÅÏÈ¼¶0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;    //×ÓÓÅÏÈ¼¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;    //IRQÍ¨µÀÊ¹ÄÜ
NVIC_Init(&NVIC_InitStructure);                            //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯VIC¼Ä´æÆ÷

}

extern vu16 USART2_RX_STA;

////¶¨Ê±Æ÷7ÅäÖÃÔ¤×°ÔØÖÜÆÚÖµ
void TIM2_SetARR(u16 period)
{
   TIM_SetCounter(TIM2,0);//¼ÆÊýÆ÷Çå¿Õ
   TIM2->ARR&=0x00;    //ÏÈÇåÔ¤×°ÔØÖÜÆÚÖµÎª0
   TIM2->ARR|= period; //¸üÐÂÔ¤×°ÔØÖÜÆÚÖµ
}
//¶¨Ê±Æ÷7ÖÐ¶Ï·þÎñ³ÌÐò
void TIM2_IRQHandler(void)
{
static u8 i=0;

if(TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) //ÊÇ¸üÐÂÖÐ¶Ï
{
TIM_ClearITPendingBit(TIM2, TIM_IT_Update  );  //Çå³ýTIM7¸üÐÂÖÐ¶Ï±êÖ¾
if(Scan_Wtime!=0)//À¶ÑÀÉ¨ÃèÄ£Ê½
{
i++;
if(i==Scan_Wtime)
{
i=0;
Scan_Wtime = 0;
USART2_RX_STA|=1<<15;    //±ê¼Ç½ÓÊÕÍê³É
TIM_Cmd(TIM2, DISABLE);  //¹Ø±Õ¶¨Ê±Æ÷7
TIM2_SetARR(100-1);    //ÖØÐÂÉèÖÃÎª10msÖÐ¶Ï
}
}
else//·ÇÀ¶ÑÀÉ¨ÃèÄ£Ê½
      {
         USART2_RX_STA|=1<<15;       //±ê¼Ç½ÓÊÕÍê³É
   TIM_Cmd(TIM2, DISABLE);    //¹Ø±ÕTIM7

}
}
}

//Í¨ÓÃ¶¨Ê±Æ÷ÖÐ¶Ï³õÊ¼»¯
//ÕâÀïÊ¼ÖÕÑ¡ÔñÎªAPB1µÄ2±¶£¬¶øAPB1Îª36M
//arr£º×Ô¶¯ÖØ×°Öµ¡£
//psc£ºÊ±ÖÓÔ¤·ÖÆµÊý
void TIM2_Int_Init(u16 arr,u16 psc)
{
NVIC_InitTypeDef NVIC_InitStructure;
TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);//TIM7Ê±ÖÓÊ¹ÄÜ

//¶¨Ê±Æ÷TIM7³õÊ¼»¯
TIM_TimeBaseStructure.TIM_Period = arr; //ÉèÖÃÔÚÏÂÒ»¸ö¸üÐÂÊÂ¼þ×°Èë»î¶¯µÄ×Ô¶¯ÖØ×°ÔØ¼Ä´æÆ÷ÖÜÆÚµÄÖµ
TIM_TimeBaseStructure.TIM_Prescaler =psc; //ÉèÖÃÓÃÀ´×÷ÎªTIMxÊ±ÖÓÆµÂÊ³ýÊýµÄÔ¤·ÖÆµÖµ
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //ÉèÖÃÊ±ÖÓ·Ö¸î:TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIMÏòÉÏ¼ÆÊýÄ£Ê½
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯TIMxµÄÊ±¼ä»ùÊýµ¥Î»

TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE ); //Ê¹ÄÜÖ¸¶¨µÄTIM7ÖÐ¶Ï,ÔÊÐí¸üÐÂÖÐ¶Ï


NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//ÇÀÕ¼ÓÅÏÈ¼¶0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; //×ÓÓÅÏÈ¼¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQÍ¨µÀÊ¹ÄÜ
NVIC_Init(&NVIC_InitStructure); //¸ù¾ÝÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯VIC¼Ä´æÆ÷

}[/mw_shl_code]

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正点原子

1楼-- · 2019-07-20 20:10

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