#include "modbus.h"
#include "Rcc_Nvic_Systick.h"
///////////////////////////////////////////////////////////
//u32 RS485_Baudrate=9600;//ͨѶ²¨ÌØÂÊ
//u8 RS485_Parity=0;//0ÎÞУÑ飻1ÆæУÑ飻2żУÑé
u8 RS485_Addr=1;//´Ó»úµØÖ·
//u16 RS485_Frame_Distance=4;//Êý¾ÝÖ¡×îС¼ä¸ô£¨ms),³¬¹ý´Ëʱ¼äÔòÈÏΪÊÇÏÂÒ»Ö¡

u8 cmd_mode = 0;

u8 RS485_RX_BUFF[200];//½ÓÊÕ»º³åÇø200×Ö½Ú
u16 RS485_RX_CNT=0;//½ÓÊÕ¼ÆÊýÆ÷
//u8 RS485_FrameFlag=0;//Ö¡½áÊø±ê¼Ç
u8 RS485_TX_BUFF[200];//·¢ËÍ»º³åÇø
u16 RS485_TX_CNT=0;//·¢ËͼÆÊýÆ÷

//u8 DATA_RX_BUFF[2048];//½ÓÊÕ»º´æ£»
////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Modbus¼Ä´æÆ÷ºÍµ¥Æ¬»ú¼Ä´æÆ÷µÄÓ³Éä¹Øϵ
vu32 *Modbus_InputIO[100];//ÊäÈ뿪¹ØÁ¿¼Ä´æÆ÷Ö¸Õë(ÕâÀïʹÓõÄÊÇλ´ø²Ù×÷)
vu32 *Modbus_OutputIO[100];//Êä³ö¿ª¹ØÁ¿¼Ä´æÆ÷Ö¸Õë(ÕâÀïʹÓõÄÊÇλ´ø²Ù×÷)
u16 Modbus_HoldReg[MODBUS_SIZE];//±£³Ö¼Ä´æÆ÷Ö¸Õë
u32 testData1=1201,testData2=1002,testData3=2303,testData4=8204;
void Modbus_RegMap(void)
{
	u16 i;
	for(i=0;i<MODBUS_SIZE;i++)
	{
		Modbus_HoldReg[i]=i;
	}
        //ÊäÈ뿪¹ØÁ¿¼Ä´æÆ÷Ö¸ÕëÖ¸Ïò
//        Modbus_InputIO[0]=(vu32*)&PEin(4);//KEY0     //&PEin(4)£ºÈ¡PE4µÄµØÖ·£¬(vu32*)&PEin(4)½«PE4µØÖ·Ç¿ÖÆת»»Îªuw32ÀàÐ͵ĵØÖ·£¬Modbus_InputIO[0]=(vu32*)&PEin(4); ½«×ª»»ºÃµÄµØÖ·Ë͸øµØÖ·Ö¸ÕëModbus_InputIO[0]£»
//        Modbus_InputIO[1]=(vu32*)&PEin(3);//KEY1     //*Modbus_InputIO[0] È¡³öµØÖ·ÖеÄÄÚÈÝ¡£
//        Modbus_InputIO[2]=(vu32*)&PEin(2);//KEY2
//        Modbus_InputIO[3]=(vu32*)&PAin(0);//KEY3
        
        //Êä³ö¿ª¹ØÁ¿¼Ä´æÆ÷Ö¸ÕëÖ¸Ïò
//        Modbus_OutputIO[0]=(vu32*)&PBout(5);//LED0
//        Modbus_OutputIO[1]=(vu32*)&PEout(5);//LED1
        
        //±£³Ö¼Ä´æÆ÷Ö¸ÕëÖ¸Ïò
//        Modbus_HoldReg[0]=(u16*)&testData1;//²âÊÔÊý¾Ý1 
//        Modbus_HoldReg[1]=(u16*)&testData2;//((u16*)&testData1)+1;//²âÊÔÊý¾Ý1 
//        Modbus_HoldReg[2]=(u16*)&testData3;//(u16*)&testData2;//²âÊÔÊý¾Ý2
//        Modbus_HoldReg[3]=(u16*)&testData4;//((u16*)&testData2)+1;//²âÊÔÊý¾Ý2 
//        Modbus_HoldReg[4]=(u16*)&testData1;
//				Modbus_HoldReg[5]=(u16*)&testData2;
//				Modbus_HoldReg[6]=(u16*)&testData3;
	
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//CRCУÑé ×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)
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//³õʼ»¯USART2
void RS485_Init(void)
{
        GPIO_InitTypeDef GPIO_InitStructure;
//        USART_InitTypeDef USART_InitStructure;
//        NVIC_InitTypeDef NVIC_InitStructure;
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
//        RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,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);//ĬÈϸߵçƽ
//        
//        GPIO_InitStructure.GPIO_Pin=GPIO_Pin_3;//PA3£¨RX£©ÊäÈëÉÏÀ­
//        GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IN_FLOATING;   //ÐÞ¸ÄÔ­GPIO_Mode_IPU£¨ÊäÈëÉÏÀ­£©->GPIO_Mode_IN_FLOATING(¸¡¿ÕÊäÈë)/////////////////////////////////////////////
//        GPIO_Init(GPIOA,&GPIO_InitStructure);
        
        GPIO_InitStructure.GPIO_Pin=RS485_TX_PIN;//ÐÞ¸ÄPG9£¨RE/DE£©Í¨ÓÃÍÆÍìÊä³ö->PB7£¨RE/DE£©Í¨ÓÃÍÆÍìÊä³ö//////////////////////////////////////////////////////////////////////
        GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;
        GPIO_Init(RS485_TX_GPIO,&GPIO_InitStructure);
        GPIO_ResetBits(RS485_TX_GPIO,RS485_TX_PIN);//ĬÈϽÓÊÕ״̬
        
//        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;//ÎÞУÑé
//                case 1:USART_InitStructure.USART_Parity=USART_Parity_Odd;break;//ÆæУÑé
//                case 2:USART_InitStructure.USART_Parity=USART_Parity_Even;break;//żУÑé
//        }
//        USART_Init(USART2,&USART_InitStructure);
//        
//        USART_ClearITPendingBit(USART2,USART_IT_RXNE);
//        USART_ITConfig(USART2,USART_IT_RXNE,ENABLE);//ʹÄÜ´®¿Ú2½ÓÊÕÖжÏ
//        
//        NVIC_InitStructure.NVIC_IRQChannel=USART2_IRQn;
//        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2;
//        NVIC_InitStructure.NVIC_IRQChannelSubPriority=2;
//        NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
//        NVIC_Init(&NVIC_InitStructure);
//        
//        USART_Cmd(USART2,ENABLE);//ʹÄÜ´®¿Ú2
//        RS485_TX_OFF;//ĬÈÏΪ½ÓÊÕģʽ
        
//        Timer7_Init();//¶¨Ê±Æ÷7³õʼ»¯£¬ÓÃÓÚ¼àÊÓ¿ÕÏÐʱ¼ä
        Modbus_RegMap();//Modbus¼Ä´æÆ÷Ó³Éä
}

//¶¨Ê±Æ÷7³õʼ»¯
//void Timer7_Init(void)
//{
//        TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
//        NVIC_InitTypeDef NVIC_InitStructure;

//        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE); //TIM7ʱÖÓʹÄÜ 

//        //TIM7³õʼ»¯ÉèÖÃ
//        TIM_TimeBaseStructure.TIM_Period = RS485_Frame_Distance*10; //ÉèÖÃÔÚÏÂÒ»¸ö¸üÐÂʼþ×°Èë»î¶¯µÄ×Ô¶¯ÖØ×°ÔؼĴæÆ÷ÖÜÆÚµÄÖµ
//        TIM_TimeBaseStructure.TIM_Prescaler =7200; //ÉèÖÃÓÃÀ´×÷ΪTIMxʱÖÓƵÂʳýÊýµÄÔ¤·ÖƵֵ ÉèÖüÆÊýƵÂÊΪ10kHz
//        TIM_TimeBaseStructure.TIM_ClockDivision = 0; //ÉèÖÃʱÖÓ·Ö¸î:TDTS = Tck_tim
//        TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIMÏòÉϼÆÊýģʽ
//        TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure); //¸ù¾ÝTIM_TimeBaseInitStructÖÐÖ¸¶¨µÄ²ÎÊý³õʼ»¯TIMxµÄʱ¼ä»ùÊýµ¥Î»

//        TIM_ITConfig( TIM7, TIM_IT_Update, ENABLE );//TIM7 ÔÊÐí¸üÐÂÖжÏ

//        //TIM7ÖжϷÖ×éÅäÖÃ
//        NVIC_InitStructure.NVIC_IRQChannel =TIM7_IRQn;  //TIM7ÖжÏ
//        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;  //ÏÈÕ¼ÓÅÏȼ¶2¼¶
//        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;  //´ÓÓÅÏȼ¶3¼¶
//        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQͨµÀ±»Ê¹ÄÜ
//        NVIC_Init(&NVIC_InitStructure);  //¸ù¾ÝNVIC_InitStructÖÐÖ¸¶¨µÄ²ÎÊý³õʼ»¯ÍâÉèNVIC¼Ä´æÆ÷                                                                  
//}



//////////////////////////////////////////////////////////////////////////////
//·¢ËÍn¸ö×Ö½ÚÊý¾Ý
//buff:·¢ËÍÇøÊ×µØÖ·
//len£º·¢Ë͵Ä×Ö½ÚÊý
//void RS485_SendData(u8 *buff,u8 len)
//{ 
//        RS485_TX_ON;//Çл»Îª·¢ËÍģʽ
//	#ifdef BAUDRATE_19200
//				delay_ms(5);
//	#else
//				delay_ms(1);
//	#endif
//        while(len--)
//        {
//                while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);//µÈ´ý·¢ËÍÇøΪ¿Õ
//                USART_SendData(USART1,*(buff++));
//        }
//        while(USART_GetFlagStatus(USART1,USART_FLAG_TC)==RESET);//µÈ´ý·¢ËÍÍê³É
//				RS485_TX_OFF;//¿ªÆô½ÓÊÕģʽ
//}


/////////////////////////////////////////////////////////////////////////////////////
//void USART2_IRQHandler(void)//´®¿Ú2ÖжϷþÎñ³ÌÐò
//{
//	   
//        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;//¼ì²âµ½ÔëÒô¡¢Ö¡´íÎó»òУÑé´íÎó
//                else err=0;
//			    //LED0=0;
//                res=USART_ReceiveData(USART2); //¶Á½ÓÊÕµ½µÄ×Ö½Ú£¬Í¬Ê±Ïà¹Ø±êÖ¾×Ô¶¯Çå³ý
//                
//                if((RS485_RX_CNT<2047)&&(err==0))
//                {
//                        RS485_RX_BUFF[RS485_RX_CNT]=res;
//                        RS485_RX_CNT++;
//                        
//                        TIM_ClearITPendingBit(TIM7,TIM_IT_Update);//Çå³ý¶¨Ê±Æ÷Òç³öÖжÏ
//                        TIM_SetCounter(TIM7,0);//µ±½ÓÊÕµ½Ò»¸öеÄ×Ö½Ú£¬½«¶¨Ê±Æ÷7¸´Î»Îª0£¬ÖØмÆʱ£¨Ï൱ÓÚι¹·£©
//                        TIM_Cmd(TIM7,ENABLE);//¿ªÊ¼¼Æʱ
//                }
//        }
//}

///////////////////////////////////////////////////////////////////////////////////////
//Óö¨Ê±Æ÷7ÅжϽÓÊÕ¿ÕÏÐʱ¼ä£¬µ±¿ÕÏÐʱ¼ä´óÓÚÖ¸¶¨Ê±¼ä£¬ÈÏΪһ֡½áÊø
//¶¨Ê±Æ÷7ÖжϷþÎñ³ÌÐò         
//void TIM7_IRQHandler(void)
//{                                                                   
//        if(TIM_GetITStatus(TIM7,TIM_IT_Update)!=RESET)
//        {
//                TIM_ClearITPendingBit(TIM7,TIM_IT_Update);//Çå³ýÖжϱêÖ¾
//                TIM_Cmd(TIM7,DISABLE);//Í£Ö¹¶¨Ê±Æ÷
//                RS485_TX_ON;//Í£Ö¹½ÓÊÕ£¬Çл»Îª·¢ËÍ״̬
//                RS485_FrameFlag=1;//ÖÃλ֡½áÊø±ê¼Ç
//        }
//}

/////////////////////////////////////////////////////////////////////////////////////
//RS485·þÎñ³ÌÐò£¬ÓÃÓÚ´¦Àí½ÓÊÕµ½µÄÊý¾Ý(ÇëÔÚÖ÷º¯ÊýÖÐÑ­»·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·ÕýÈ·
                {
                   //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¦ÄÜÂëÕýÈ·
                  if((RS485_RX_BUFF[1]==03)||(RS485_RX_BUFF[1]==06)||(RS485_RX_BUFF[1]==16))
									{
                                startRegAddr=(((u16)RS485_RX_BUFF[2])<<8)|RS485_RX_BUFF[3];//»ñÈ¡¼Ä´æÆ÷ÆðʼµØÖ·
                                if(startRegAddr<MODBUS_SIZE)//¼Ä´æÆ÷µØÖ·ÔÚ·¶Î§ÄÚ
                                {
																			if(RS485_RX_BUFF[1]==16)
																			{
																				RS485_RX_CNT=RS485_RX_BUFF[6]+9;//½ÓÊÕÊý¾Ý³¤¶È																			
																			}
																			else
																			{
																				RS485_RX_CNT = 8;//Êý¾Ý³¤¶È
																			}
                                        calCRC=CRC_Compute(RS485_RX_BUFF,RS485_RX_CNT-2);//¼ÆËãËù½ÓÊÕÊý¾ÝµÄCRC
                                        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)//CRCУÑéÕýÈ·
                                        {
												//LED1=0;
                                                /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                                                switch(RS485_RX_BUFF[1])//¸ù¾Ý²»Í¬µÄ¹¦ÄÜÂë½øÐд¦Àí
                                                {
//                                                        case 2://¶ÁÊäÈ뿪¹ØÁ¿
//                                                        {
//                                                                Modbus_02_Solve();
//                                                                break;
//                                                        }
                                                        
//                                                        case 1://¶ÁÊä³ö¿ª¹ØÁ¿
//                                                        {
//                                                                Modbus_01_Solve();
//                                                                break;
//                                                        }
                                                                
//                                                        case 5://дµ¥¸öÊä³ö¿ª¹ØÁ¿
//                                                        {
//                                                                Modbus_05_Solve();
//                                                                break;
//                                                        }
//                                                                
//                                                        case 15://д¶à¸öÊä³ö¿ª¹ØÁ¿
//                                                        {
//                                                                Modbus_15_Solve();
//                                                                break;
//                                                        }
                                                                
                                                        case 03: //¶Á¶à¸ö¼Ä´æÆ÷
                                                        {																
                                                                Modbus_03_Solve();
                                                                break;
                                                        }
                                                                
                                                        case 06: //дµ¥¸ö¼Ä´æÆ÷
                                                        {
                                                                Modbus_06_Solve();
                                                                break;
                                                        }
                                                                
                                                        case 16: //д¶à¸ö¼Ä´æÆ÷
                                                        {
                                                                Modbus_16_Solve();
                                                                break;
                                                        }
                                                                                        
                                                }
                                                //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
                                        }
                                        else//CRCУÑé´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
                                                UART_PushFrame(RS485_TX_BUFF,3);
																								cmd_mode = 0;//ЭÒé´¦ÀíÍê³É
                                        }        
                                }
                                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
                                        UART_PushFrame(RS485_TX_BUFF,3);
																				cmd_mode = 0;//ЭÒé´¦ÀíÍê³É
                                }                                                
                        }
                        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
                                UART_PushFrame(RS485_TX_BUFF,3);
																cmd_mode = 0;//ЭÒé´¦ÀíÍê³É
                        }
          }
                                
                //RS485_FrameFlag=0;//¸´Î»Ö¡½áÊø±êÖ¾
                RS485_RX_CNT=0;//½ÓÊÕ¼ÆÊýÆ÷ÇåÁã
								cmd_mode = 0;//ЭÒé´¦ÀíÍê³É
        //}                
}

//Modbus¹¦ÄÜÂë02´¦Àí³ÌÐò/////////////////////////////////////////////////////³ÌÐòÒÑÑéÖ¤OK -----±ØÐëÏÈÅäÖÃPE4 PE3 PE2 PA0 ³õʼ»¯°´¼ü²Å¿ÉÒÔOK    KEY_Init();
//¶ÁÊäÈ뿪¹ØÁ¿
void Modbus_02_Solve(void)
{
        u16 ByteNum;
        u16 i;
        RegNum= (((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñÈ¡¼Ä´æÆ÷ÊýÁ¿
        if((startRegAddr+RegNum)<100)//¼Ä´æÆ÷µØÖ·+ÊýÁ¿ÔÚ·¶Î§ÄÚ
        {
                RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
                ByteNum=RegNum/8;//×Ö½ÚÊý
                if(RegNum%8) ByteNum+=1;//Èç¹ûλÊý»¹ÓÐÓàÊý£¬Ôò×Ö½ÚÊý+1
                RS485_TX_BUFF[2]=ByteNum;//·µ»ØÒª¶ÁÈ¡µÄ×Ö½ÚÊý
                for(i=0;i<RegNum;i++)
                {
                        if(i%8==0) RS485_TX_BUFF[3+i/8]=0x00;
                        RS485_TX_BUFF[3+i/8]>>=1;//µÍλÏÈ·¢ËÍ
                        RS485_TX_BUFF[3+i/8]|=((*Modbus_InputIO[startRegAddr+i])<<7)&0x80;
                        if(i==RegNum-1)//·¢Ë͵½×îºóÒ»¸öλÁË
                        {
                                if(RegNum%8) RS485_TX_BUFF[3+i/8]>>=8-(RegNum%8);//Èç¹û×îºóÒ»¸ö×Ö½Ú»¹ÓÐÓàÊý£¬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;
                UART_PushFrame(RS485_TX_BUFF,ByteNum+5);
        }
        else//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}

//Modbus¹¦ÄÜÂë01´¦Àí³ÌÐò ///////////////////////////////////////////////////////////³ÌÐòÒÑÑéÖ¤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÷ÊýÁ¿
        if((startRegAddr+RegNum)<100)//¼Ä´æÆ÷µØÖ·+ÊýÁ¿ÔÚ·¶Î§ÄÚ
        {
                RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
                ByteNum=RegNum/8;//×Ö½ÚÊý
                if(RegNum%8) ByteNum+=1;//Èç¹ûλÊý»¹ÓÐÓàÊý£¬Ôò×Ö½ÚÊý+1
                RS485_TX_BUFF[2]=ByteNum;//·µ»ØÒª¶ÁÈ¡µÄ×Ö½ÚÊý
                for(i=0;i<RegNum;i++)
                {
                        if(i%8==0) RS485_TX_BUFF[3+i/8]=0x00;
                        RS485_TX_BUFF[3+i/8]>>=1;//µÍλÏÈ·¢ËÍ
                        RS485_TX_BUFF[3+i/8]|=((*Modbus_OutputIO[startRegAddr+i])<<7)&0x80;
                        if(i==RegNum-1)//·¢Ë͵½×îºóÒ»¸öλÁË
                        {
                                if(RegNum%8) RS485_TX_BUFF[3+i/8]>>=8-(RegNum%8);//Èç¹û×îºóÒ»¸ö×Ö½Ú»¹ÓÐÓàÊý£¬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;
                UART_PushFrame(RS485_TX_BUFF,ByteNum+5);
        }
        else//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}

//Modbus¹¦ÄÜÂë05´¦Àí³ÌÐò   ///////////////////////////////////////////////////////³ÌÐòÒÑÑéÖ¤OK
//дµ¥¸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;
                UART_PushFrame(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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}

//Modbus¹¦ÄÜÂë15´¦Àí³ÌÐò   //////////////////////////////////////////////////////³ÌÐòÒÑÑéÖ¤OK
//д¶à¸öÊä³ö¿ª¹ØÁ¿
void Modbus_15_Solve(void)
{
        u16 i;
        RegNum=(((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñÈ¡¼Ä´æÆ÷ÊýÁ¿
        if((startRegAddr+RegNum)<100)//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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;//´ÓµÍλ¿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;
                UART_PushFrame(RS485_TX_BUFF,8);
        }
        else//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}

//Modbus¹¦ÄÜÂë03´¦Àí³ÌÐò///////////////////////////////////////////////////////////////////////////////////////ÒÑÑéÖ¤³ÌÐòOK
//¶Á±£³Ö¼Ä´æÆ÷
void Modbus_03_Solve(void)
{
        u8 i;
        RegNum= (((u16)RS485_RX_BUFF[4])<<8)|RS485_RX_BUFF[5];//»ñÈ¡¼Ä´æÆ÷ÊýÁ¿
        if((startRegAddr+RegNum)<MODBUS_SIZE)//¼Ä´æÆ÷µØÖ·+ÊýÁ¿ÔÚ·¶Î§ÄÚ
        {
                RS485_TX_BUFF[0]=RS485_RX_BUFF[0];
                RS485_TX_BUFF[1]=RS485_RX_BUFF[1];
                RS485_TX_BUFF[2]=RegNum*2;
                for(i=0;i<RegNum;i++)
                {
                        RS485_TX_BUFF[3+i*2]=(Modbus_HoldReg[startRegAddr+i]>>8)&0xFF;//           /////////ÏÈ·¢Ë͸ß×Ö½Ú--ÔÚ·¢Ë͵Í×Ö½Ú
                        RS485_TX_BUFF[4+i*2]=(Modbus_HoldReg[startRegAddr+i])&0xFF; //
                }
                calCRC=CRC_Compute(RS485_TX_BUFF,RegNum*2+3);
                RS485_TX_BUFF[RegNum*2+3]=(calCRC>>8)&0xFF;         //CRC¸ßµØλ²»¶ÔÂ𣿠 // ÏȸߺóµÍ
                RS485_TX_BUFF[RegNum*2+4]=(calCRC)&0xFF;
                UART_PushFrame(RS485_TX_BUFF,RegNum*2+5);
        }
        else//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}


//Modbus¹¦ÄÜÂë06´¦Àí³ÌÐò   //////////////////////////////////////////////////////////////////////////////////ÒÑÑéÖ¤³ÌÐòOK
//дµ¥¸ö±£³Ö¼Ä´æÆ÷
void Modbus_06_Solve(void)
{
        Modbus_HoldReg[startRegAddr]=RS485_RX_BUFF[4]<<8;//¸ß×Ö½ÚÔÚÇ°                    ////////ÐÞ¸ÄΪ¸ß×Ö½ÚÔÚÇ°£¬µÍ×Ö½ÚÔÚºó
        Modbus_HoldReg[startRegAddr]|=((u16)RS485_RX_BUFF[5]);//µÍ×Ö½ÚÔÚºó
        
        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;
        UART_PushFrame(RS485_TX_BUFF,8);
}

//Modbus¹¦ÄÜÂë16´¦Àí³ÌÐò /////////////////////////////////////////////////////////////////////////////////////////////////ÒÑÑéÖ¤³ÌÐòOK
//д¶à¸ö±£³Ö¼Ä´æÆ÷
void Modbus_16_Solve(void)
{
        u8 i;
        RegNum= (((u16)RS485_RX_BUFF[4])<<8)|((RS485_RX_BUFF[5]));//»ñÈ¡¼Ä´æÆ÷ÊýÁ¿
        if((startRegAddr+RegNum)<MODBUS_SIZE)//¼Ä´æÆ÷µØÖ·+ÊýÁ¿ÔÚ·¶Î§ÄÚ
        {
                for(i=0;i<RegNum;i++)
                {
                        Modbus_HoldReg[startRegAddr+i]=RS485_RX_BUFF[7+i*2]; //µÍ×Ö½ÚÔÚÇ°                 /////// µÍ×Ö½ÚÔÚÇ°£¬¸ß×Ö½ÚÔÚºóÕý³£
                        Modbus_HoldReg[startRegAddr+i]|=((u16)RS485_RX_BUFF[8+i*2])<<8; //¸ß×Ö½ÚÔÚºó
                }
                
                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;
                UART_PushFrame(RS485_TX_BUFF,8);
        }
        else//¼Ä´æÆ÷µØÖ·+ÊýÁ¿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
                UART_PushFrame(RS485_TX_BUFF,3);
        }
}