调试modbus时一直进入hard fault

2019-08-17 09:48发布

[mw_shl_code=c,true]#include "modbus.h"
#include "output.h"

///////////////////////////////////////////////////////////
u32 RS485_Baudrate=9600;//í¨Ñ¶2¨ìØÂê
u8 RS485_Parity=0;//0ÎTD￡Ñé￡»1ÆæD￡Ñé￡»2Å¼D￡Ñé
u8 RS485_Addr=1;//′ó»úμØÖ·
u16 RS485_Frame_Distance=4;//êy¾YÖ¡×îD¡¼ä¸ô￡¨ms),3¬1y′Ëê±¼äÔòèÏÎaêÇÏÂò»Ö¡

u8 RS485_RX_BUFF[64];//½óêÕ»o3åÇø2048×Ö½ú
u16 RS485_RX_CNT=0;//½óêÕ¼ÆêyÆ÷
u8 RS485_FrameFlag=0;//Ö¡½áêø±ê¼Ç
u8 RS485_TX_BUFF[64];//·￠Ëí»o3åÇø
u16 RS485_TX_CNT=0;//·￠Ëí¼ÆêyÆ÷

////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Modbus¼Ä′æÆ÷oíμ￥Æ¬»ú¼Ä′æÆ÷μÄó3éä1ØÏμ
vu32 *Modbus_InputIO[10];//êäèë¿a1Øá¿¼Ä′æÆ÷Ö¸Õë(Õaàïê1óÃμÄêÇÎ»′ø2ù×÷)
vu32 *Modbus_OutputIO[10];//êä3ö¿a1Øá¿¼Ä′æÆ÷Ö¸Õë(Õaàïê1óÃμÄêÇÎ»′ø2ù×÷)
u16 *Modbus_HoldReg[10];//±￡3Ö¼Ä′æÆ÷Ö¸Õë
u16 testData1=1201,testData2=1002,testData3=2303,testData4=8204;
void Modbus_RegMap(void)
{
//êäèë¿a1Øá¿¼Ä′æÆ÷Ö¸ÕëÖ¸Ïò
Modbus_InputIO[0]=(vu32*)&

Ein(4);//KEY0 //&

Ein(4)￡oè&#161

E4μÄμØÖ·￡¬(vu32*)&

Ein(4)½&#171

E4μØÖ·Ç¿ÖÆ×a»»Îauw32ààDíμÄμØÖ·￡¬Modbus_InputIO[0]=(vu32*)&

Ein(4); ½«×a»»oÃμÄμØÖ·Ëí¸øμØÖ·Ö¸ÕëModbus_InputIO[0]￡»
Modbus_InputIO[1]=(vu32*)&

Ein(3);//KEY1 //*Modbus_InputIO[0] è¡3öμØÖ·ÖDμÄÄúèY¡￡
Modbus_InputIO[2]=(vu32*)&

Ein(2);//KEY2
Modbus_InputIO[3]=(vu32*)&

Ain(0);//KEY3

      //êä3ö¿a1Øá¿¼Ä′æÆ÷Ö¸ÕëÖ¸Ïò
      Modbus_OutputIO[0]=(vu32*)&

Bout(5);//LED0
      Modbus_OutputIO[1]=(vu32*)&PEout(5);//LED1

      //±￡3Ö¼Ä′æÆ÷Ö¸ÕëÖ¸Ïò
      Modbus_HoldReg[0]=(u16*)&testData1;//2aêÔêy¾Y1
      Modbus_HoldReg[1]=(u16*)&testData2;//((u16*)&testData1)+1;//2aêÔêy¾Y1
      Modbus_HoldReg[2]=(u16*)&testData3;//(u16*)&testData2;//2aêÔêy¾Y2
      Modbus_HoldReg[3]=(u16*)&testData4;//((u16*)&testData2)+1;//2aêÔêy¾Y2
      Modbus_HoldReg[4]=(u16*)&testData1;
                              Modbus_HoldReg[5]=(u16*)&testData2;
                              Modbus_HoldReg[6]=(u16*)&testData3;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//CRCD￡Ñé ×Ô¼ooóÃæìí¼óμÄ

const u8 auchCRCHi[] = {
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,0x80, 0x41, 0x00, 0xC1, 0x81, 0x40} ;

const u8 auchCRCLo[] = {
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,0x43, 0x83, 0x41, 0x81, 0x80, 0x40} ;

u16 CRC_Compute(u8 *puchMsg, u16 usDataLen)
{
      u8 uchCRCHi = 0xFF ;
      u8 uchCRCLo = 0xFF ;
      u32 uIndex ;
      while (usDataLen--)
      {
            uIndex = uchCRCHi ^ *puchMsg++ ;
            uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ;
            uchCRCLo = auchCRCLo[uIndex] ;
      }
      return ((uchCRCHi<< 8)  | (uchCRCLo)) ;
}//uint16 crc16(uint8 *puchMsg, uint16 usDataLen)
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//3õê¼»ˉUSART2
void RS485_Init(void)
{
      GPIO_InitTypeDef GPIO_InitStructure;
      USART_InitTypeDef USART_InitStructure;
      NVIC_InitTypeDef NVIC_InitStructure;
      RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOD,ENABLE);
      RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);
                              RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC,ENABLE);

      GPIO_InitStructure.GPIO_Pin=GPIO_Pin_2;//PA2￡¨TX￡©¸′óÃíÆíìêä3ö
      GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;
      GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
      GPIO_Init(GPIOA,&GPIO_InitStructure);
      GPIO_SetBits(GPIOA,GPIO_Pin_2);//Ä¬èÏ¸ßμçÆ½

      GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3;//PA3￡¨RX￡©êäèëéÏà-
      GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IN_FLOATING; //DT¸ÄÔ-GPIO_Mode_IPU￡¨êäèëéÏà-￡©->GPIO_Mode_IN_FLOATING(¸¡¿Õêäèë)/////////////////////////////////////////////
      GPIO_Init(GPIOA,&GPIO_InitStructure);

      GPIO_InitStructure.GPIO_Pin=GPIO_Pin_1;//PA1￡¨RE/DE￡©í¨óÃíÆíìêä3ö//////////////////////////////////////////////////////////////////////
      GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;
      GPIO_Init(GPIOA,&GPIO_InitStructure);
      GPIO_ResetBits(GPIOA,GPIO_Pin_1);//Ä¬èÏ½óêÕ×′ì¬

      USART_DeInit(USART2);//¸′Î»′®¿ú2
      USART_InitStructure.USART_BaudRate=RS485_Baudrate;
      USART_InitStructure.USART_HardwareFlowControl=USART_HardwareFlowControl_None;
      USART_InitStructure.USART_WordLength=USART_WordLength_8b;
      USART_InitStructure.USART_StopBits=USART_StopBits_1;
      USART_InitStructure.USART_Mode=USART_Mode_Rx|USART_Mode_Tx;//êÕ·￠Ä￡ê½
      switch(RS485_Parity)
      {
            case 0:USART_InitStructure.USART_Parity=USART_Parity_No;break;//ÎTD￡Ñé
            case 1:USART_InitStructure.USART_Parity=USART_Parity_Odd;break;//ÆæD￡Ñé
            case 2:USART_InitStructure.USART_Parity=USART_Parity_Even;break;//Å¼D￡Ñé
      }
      USART_Init(USART2,&USART_InitStructure);

      USART_ClearITPendingBit(USART2,USART_IT_RXNE);
      USART_ITConfig(USART2,USART_IT_RXNE,ENABLE);//ê1Äü′®¿ú2½óêÕÖD¶Ï

      NVIC_InitStructure.NVIC_IRQChannel=USART2_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority=1;
      NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
      NVIC_Init(&NVIC_InitStructure);

      USART_Cmd(USART2,ENABLE);//ê1Äü′®¿ú2
      RS485_TX_EN=0;//Ä¬èÏÎa½óêÕÄ￡ê½

      Timer7_Init();//¶¨ê±Æ÷73õê¼»ˉ￡¬óÃóú¼àêó¿ÕÏDê±¼ä
      Modbus_RegMap();//Modbus¼Ä′æÆ÷ó3éä
}

//¶¨ê±Æ÷73õê¼»ˉ
void Timer7_Init(void)
{
      TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
      NVIC_InitTypeDef NVIC_InitStructure;

      RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE); //TIM7ê±Öóê1Äü

      //TIM73õê¼»ˉéèÖÃ
      TIM_TimeBaseStructure.TIM_Period = RS485_Frame_Distance*10; //éèÖÃÔúÏÂò»¸ö¸üDÂêÂ¼t×°èë»î¶ˉμÄ×Ô¶ˉÖØ×°ÔØ¼Ä′æÆ÷ÖüÆúμÄÖμ
      TIM_TimeBaseStructure.TIM_Prescaler =7200; //éèÖÃóÃà′×÷ÎaTIMxê±ÖóÆμÂê3yêyμÄÔ¤·ÖÆμÖμ éèÖÃ¼ÆêyÆμÂêÎa10kHz
      TIM_TimeBaseStructure.TIM_ClockDivision = 0; //éèÖÃê±Öó·Ö¸î:TDTS = Tck_tim
      TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIMÏòéÏ¼ÆêyÄ￡ê½
      TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure); //¸ù¾YTIM_TimeBaseInitStructÖDÖ¸¶¨μÄ2Îêy3õê¼»ˉTIMxμÄê±¼ä»ùêyμ￥Î»

      TIM_ITConfig( TIM7, TIM_IT_Update, ENABLE );//TIM7 ÔêDí¸üDÂÖD¶Ï

      //TIM7ÖD¶Ï·Ö×éÅäÖÃ
      NVIC_InitStructure.NVIC_IRQChannel =TIM7_IRQn;  //TIM7ÖD¶Ï
      NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;  //ÏèÕ¼óÅÏè¼¶2¼¶
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;  //′óóÅÏè¼¶3¼¶
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μà±»ê1Äü
      NVIC_Init(&NVIC_InitStructure);  //¸ù¾YNVIC_InitStructÖDÖ¸¶¨μÄ2Îêy3õê¼»ˉíaéèNVIC¼Ä′æÆ÷
}

//////////////////////////////////////////////////////////////////////////////
//·￠Ëín¸ö×Ö½úêy¾Y
//buff:·￠ËíÇøê×μØÖ·
//len￡o·￠ËíμÄ×Ö½úêy
void RS485_SendData(u8 *buff,u8 len)
{
      RS485_TX_EN=1;//ÇD»»Îa·￠ËíÄ￡ê½
      while(len--)
      {
            while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==RESET);//μè′y·￠ËíÇøÎa¿Õ
            USART_SendData(USART2,*(buff++));
      }
      while(USART_GetFlagStatus(USART2,USART_FLAG_TC)==RESET);//μè′y·￠Ëííê3é
}

/////////////////////////////////////////////////////////////////////////////////////
void USART2_IRQHandler(void)//′®¿ú2ÖD¶Ï·tÎñ3ìDò
{

      u8 res;
      u8 err;

      if(USART_GetITStatus(USART2,USART_IT_RXNE)!=RESET)
      {
            if(USART_GetFlagStatus(USART2,USART_FLAG_NE|USART_FLAG_FE|USART_FLAG_PE)) err=1;//¼ì2aμ½Ôëòô¡￠Ö¡′íÎó»òD￡Ñé′íÎó
            else err=0;
                        OUTPUT1=0;
            res=USART_ReceiveData(USART2); //¶á½óêÕμ½μÄ×Ö½ú￡¬í¬ê±Ïà1Ø±êÖ¾×Ô¶ˉÇå3y

            if((RS485_RX_CNT<2047)&&(err==0))
            {
                     RS485_RX_BUFF[RS485_RX_CNT]=res;
                     RS485_RX_CNT++;

                     TIM_ClearITPendingBit(TIM7,TIM_IT_Update);//Çå3y¶¨ê±Æ÷òç3öÖD¶Ï
                     TIM_SetCounter(TIM7,0);//μ±½óêÕμ½ò»¸öDÂμÄ×Ö½ú￡¬½«¶¨ê±Æ÷7¸′Î»Îa0￡¬ÖØDÂ¼Æê±￡¨Ïàμ±óúÎ11·￡©
                     TIM_Cmd(TIM7,ENABLE);//¿aê¼¼Æê±
            }
      }
}

///////////////////////////////////////////////////////////////////////////////////////
//óÃ¶¨ê±Æ÷7ÅD¶Ï½óêÕ¿ÕÏDê±¼ä￡¬μ±¿ÕÏDê±¼ä′óóúÖ¸¶¨ê±¼ä￡¬èÏÎaò»Ö¡½áêø
//¶¨ê±Æ÷7ÖD¶Ï·tÎñ3ìDò
void TIM7_IRQHandler(void)
{
      if(TIM_GetITStatus(TIM7,TIM_IT_Update)!=RESET)
      {
            TIM_ClearITPendingBit(TIM7,TIM_IT_Update);//Çå3yÖD¶Ï±êÖ¾
            TIM_Cmd(TIM7,DISABLE);//í￡Ö1¶¨ê±Æ÷
            RS485_TX_EN=1;//í￡Ö1½óêÕ￡¬ÇD»»Îa·￠Ëí×′ì¬
            RS485_FrameFlag=1;//ÖÃÎ»Ö¡½áêø±ê¼Ç
      }
}

/////////////////////////////////////////////////////////////////////////////////////
//RS485·tÎñ3ìDò￡¬óÃóú′|àí½óêÕμ½μÄêy¾Y(ÇëÔúÖ÷oˉêyÖDÑ-»·μ÷óÃ)
u16 startRegAddr;
u16 RegNum;
u16 calCRC;
void RS485_Service(void)
{
      u16 recCRC;
      if(RS485_FrameFlag==1)
      {
            if(RS485_RX_BUFF[0]==RS485_Addr)//μØÖ·Õyè·
            {
                     if((RS485_RX_BUFF[1]==01)||(RS485_RX_BUFF[1]==02)||(RS485_RX_BUFF[1]==03)||(RS485_RX_BUFF[1]==05)||(RS485_RX_BUFF[1]==06)||(RS485_RX_BUFF[1]==15)||(RS485_RX_BUFF[1]==16))//1|ÄüÂëÕyè·
               {
                              startRegAddr=(((u16)RS485_RX_BUFF[2])<<8)|RS485_RX_BUFF[3];//»ñè¡¼Ä′æÆ÷Æeê¼μØÖ·
                              if(startRegAddr<1000)//¼Ä′æÆ÷μØÖ·Ôú·¶Î§Äú
                              {
                                    calCRC=CRC_Compute(RS485_RX_BUFF,RS485_RX_CNT-2);//¼ÆËãËù½óêÕêy¾YμÄCRC
                                    recCRC=RS485_RX_BUFF[RS485_RX_CNT-1]|(((u16)RS485_RX_BUFF[RS485_RX_CNT-2])<<8);//½óêÕμ½μÄCRC(μí×Ö½úÔúÇ°￡¬¸ß×Ö½úÔúoó)
                                    if(calCRC==recCRC)//CRCD￡ÑéÕyè·
                                    {
                                                                                             //LED1=0;
                                             /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                                             switch(RS485_RX_BUFF[1])//¸ù¾Y2»í¬μÄ1|ÄüÂë½øDD′|àí
                                             {
                                                      case 2://¶áêäèë¿a1Øá¿
                                                      {
                                                            Modbus_02_Solve();
                                                            break;
                                                      }

                                                      case 1://¶áêä3ö¿a1Øá¿
                                                      {
                                                            Modbus_01_Solve();
                                                            break;
                                                      }

                                                      case 5://D′μ￥¸öêä3ö¿a1Øá¿
                                                      {
                                                            Modbus_05_Solve();
                                                            break;
                                                      }

                                                      case 15://D′¶à¸öêä3ö¿a1Øá¿
                                                      {
                                                            Modbus_15_Solve();
                                                            break;
                                                      }

                                                      case 03: //¶á¶à¸ö¼Ä′æÆ÷
                                                      {
                                                            Modbus_03_Solve();
                                                            break;
                                                      }

                                                      case 06: //D′μ￥¸ö¼Ä′æÆ÷
                                                      {
                                                            Modbus_06_Solve();
                                                            break;
                                                      }

                                                      case 16: //D′¶à¸ö¼Ä′æÆ÷
                                                      {
                                                            Modbus_16_Solve();
                                                            break;
                                                      }

                                             }
                                             //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                                    }
                                    else//CRCD￡Ñé′íÎó
                                    {

                                             RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                                             RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
                                             RS485_TX_BUFF[2]=0x04; //òì3￡Âë
                                             RS485_SendData(RS485_TX_BUFF,3);
                                    }
                              }
                              else//¼Ä′æÆ÷μØÖ·3¬3ö·¶Î§
                              {
                                    RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                                    RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
                                    RS485_TX_BUFF[2]=0x02; //òì3￡Âë
                                    RS485_SendData(RS485_TX_BUFF,3);
                              }
                     }
                     else//1|ÄüÂë′íÎó
                     {
                              RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                              RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
                              RS485_TX_BUFF[2]=0x01; //òì3￡Âë
                              RS485_SendData(RS485_TX_BUFF,3);
                     }
      }

            RS485_FrameFlag=0;//¸′Î»Ö¡½áêø±êÖ¾
            RS485_RX_CNT=0;//½óêÕ¼ÆêyÆ÷Çåáã
            RS485_TX_EN=0;//¿aÆô½óêÕÄ￡ê½
      }
}

//Modbus1|ÄüÂë02′|àí3ìDò/////////////////////////////////////////////////////3ìDòòÑÑéÖ¤OK -----±ØDëÏèÅäÖÃPE4 PE3 PE2 PA0 3õê¼»ˉ°′¼ü2Å¿éòÔOK KEY_Init();
//¶áêäèë¿a1Øá¿
void Modbus_02_Solve(void)
{
      u16 ByteNum;
      u16 i;
      RegNum= (((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñè¡¼Ä′æÆ÷êyá¿
      if((startRegAddr+RegNum)<100)//¼Ä′æÆ÷μØÖ·+êyá¿Ôú·¶Î§Äú
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
            ByteNum=RegNum/8;//×Ö½úêy
            if(RegNum%8) ByteNum+=1;//èç1ûÎ»êy»1óDóàêy￡¬Ôò×Ö½úêy+1
            RS485_TX_BUFF[2]=ByteNum;//·μ»Øòa¶áè¡μÄ×Ö½úêy
            for(i=0;i<RegNum;i++)
            {
                     if(i%8==0) RS485_TX_BUFF[3+i/8]=0x00;
                     RS485_TX_BUFF[3+i/8]>>=1;//μíÎ»Ïè·￠Ëí
                     RS485_TX_BUFF[3+i/8]|=((*Modbus_InputIO[startRegAddr+i])<<7)&0x80;
                     if(i==RegNum-1)//·￠Ëíμ½×îoóò»¸öÎ»áË
                     {
                              if(RegNum%8) RS485_TX_BUFF[3+i/8]>>=8-(RegNum%8);//èç1û×îoóò»¸ö×Ö½ú»1óDóàêy￡¬Ôòê￡óàMSBìî3ä0
                     }
            }
            calCRC=CRC_Compute(RS485_TX_BUFF,ByteNum+3);
            RS485_TX_BUFF[ByteNum+3]=(calCRC>>8)&0xFF;
            RS485_TX_BUFF[ByteNum+4]=(calCRC)&0xFF;
            RS485_SendData(RS485_TX_BUFF,ByteNum+5);
      }
      else//¼Ä′æÆ÷μØÖ·+êyá¿3¬3ö·¶Î§
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
            RS485_TX_BUFF[2]=0x02; //òì3￡Âë
            RS485_SendData(RS485_TX_BUFF,3);
      }
}

//Modbus1|ÄüÂë01′|àí3ìDò ///////////////////////////////////////////////////////////3ìDòòÑÑéÖ¤OK
//¶áêä3ö¿a1Øá¿
void Modbus_01_Solve(void)
{
      u16 ByteNum;
      u16 i;
      RegNum= (((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñè¡¼Ä′æÆ÷êyá¿
      if((startRegAddr+RegNum)<100)//¼Ä′æÆ÷μØÖ·+êyá¿Ôú·¶Î§Äú
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
            ByteNum=RegNum/8;//×Ö½úêy
            if(RegNum%8) ByteNum+=1;//èç1ûÎ»êy»1óDóàêy￡¬Ôò×Ö½úêy+1
            RS485_TX_BUFF[2]=ByteNum;//·μ»Øòa¶áè¡μÄ×Ö½úêy
            for(i=0;i<RegNum;i++)
            {
                     if(i%8==0) RS485_TX_BUFF[3+i/8]=0x00;
                     RS485_TX_BUFF[3+i/8]>>=1;//μíÎ»Ïè·￠Ëí
                     RS485_TX_BUFF[3+i/8]|=((*Modbus_OutputIO[startRegAddr+i])<<7)&0x80;
                     if(i==RegNum-1)//·￠Ëíμ½×îoóò»¸öÎ»áË
                     {
                              if(RegNum%8) RS485_TX_BUFF[3+i/8]>>=8-(RegNum%8);//èç1û×îoóò»¸ö×Ö½ú»1óDóàêy￡¬Ôòê￡óàMSBìî3ä0
                     }
            }
            calCRC=CRC_Compute(RS485_TX_BUFF,ByteNum+3);
            RS485_TX_BUFF[ByteNum+3]=(calCRC>>8)&0xFF;
            RS485_TX_BUFF[ByteNum+4]=(calCRC)&0xFF;
            RS485_SendData(RS485_TX_BUFF,ByteNum+5);
      }
      else//¼Ä′æÆ÷μØÖ·+êyá¿3¬3ö·¶Î§
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
            RS485_TX_BUFF[2]=0x02; //òì3￡Âë
            RS485_SendData(RS485_TX_BUFF,3);
      }
}

//Modbus1|ÄüÂë05′|àí3ìDò ///////////////////////////////////////////////////////3ìDòòÑÑéÖ¤OK
//D′μ￥¸öêä3ö¿a1Øá¿
void Modbus_05_Solve(void)
{
      if(startRegAddr<100)//¼Ä′æÆ÷μØÖ·Ôú·¶Î§Äú
      {
            if((RS485_RX_BUFF[4]==0xFF)||(RS485_RX_BUFF[5]==0xFF)) *Modbus_OutputIO[startRegAddr]=0x01;
            else *Modbus_OutputIO[startRegAddr]=0x00;

            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
            RS485_TX_BUFF[2]=RS485_RX_BUFF[2];
            RS485_TX_BUFF[3]=RS485_RX_BUFF[3];
            RS485_TX_BUFF[4]=RS485_RX_BUFF[4];
            RS485_TX_BUFF[5]=RS485_RX_BUFF[5];

            calCRC=CRC_Compute(RS485_TX_BUFF,6);
            RS485_TX_BUFF[6]=(calCRC>>8)&0xFF;
            RS485_TX_BUFF[7]=(calCRC)&0xFF;
            RS485_SendData(RS485_TX_BUFF,8);
      }
      else//¼Ä′æÆ÷μØÖ·3¬3ö·¶Î§
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
            RS485_TX_BUFF[2]=0x02; //òì3￡Âë
            RS485_SendData(RS485_TX_BUFF,3);
      }
}

//Modbus1|ÄüÂë15′|àí3ìDò //////////////////////////////////////////////////////3ìDòòÑÑéÖ¤OK
//D′¶à¸öêä3ö¿a1Øá¿
void Modbus_15_Solve(void)
{
      u16 i;
      RegNum=(((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñè¡¼Ä′æÆ÷êyá¿
      if((startRegAddr+RegNum)<100)//¼Ä′æÆ÷μØÖ·+êyá¿Ôú·¶Î§Äú
      {
            for(i=0;i<RegNum;i++)
            {
                     if(RS485_RX_BUFF[7+i/8]&0x01) *Modbus_OutputIO[startRegAddr+i]=0x01;
                     else *Modbus_OutputIO[startRegAddr+i]=0x00;
                     RS485_RX_BUFF[7+i/8]>>=1;//′óμíÎ»¿aê¼
            }

            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
            RS485_TX_BUFF[2]=RS485_RX_BUFF[2];
            RS485_TX_BUFF[3]=RS485_RX_BUFF[3];
            RS485_TX_BUFF[4]=RS485_RX_BUFF[4];
            RS485_TX_BUFF[5]=RS485_RX_BUFF[5];
            calCRC=CRC_Compute(RS485_TX_BUFF,6);
            RS485_TX_BUFF[6]=(calCRC>>8)&0xFF;
            RS485_TX_BUFF[7]=(calCRC)&0xFF;
            RS485_SendData(RS485_TX_BUFF,8);
      }
      else//¼Ä′æÆ÷μØÖ·+êyá¿3¬3ö·¶Î§
      {
            RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
            RS485_TX_BUFF[1]=RS485_RX_BUFF[1]|0x80;
            RS485_TX_BUFF[2]=0x02; //òì3￡Âë
            RS485_SendData(RS485_TX_BUFF,3);
      }
}

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1条回答

zibuyu

1楼-- · 2019-08-17 10:51

精彩回答 2 元偷偷看……

调试modbus时一直进入hard fault

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