📄 modbus.c.svn-base
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/*******************************************************************************************
* MODBUS Master/Slaver Module (For Test)
* Coded by XUWANSU
* 2007/6/26
*******************************************************************************************/
#include "MODBUS_REG.h"
#include "MODBUSFDL.H"
#include "DPRam.h"
#include "console.h"
#include "modbus.h"
#include "dc_aotexun.h"
#include <string.h>
#include <stdio.h>
#include <string.h>
#define PRO_MODBUS_M 1
#define PRO_MODBUS_S 0
#define PRO_DC 9
#define PROT_XJ 5
#define MAXTASKS 220
#define MAXPORT 4
volatile unsigned char SCC_TASK_VALID[MAXPORT][MAXTASKS]; //建立任务后置1
volatile unsigned short SCC_TASK_STNO[MAXPORT][MAXTASKS]; //从站编号
volatile unsigned char SCC_TASK_RW[MAXPORT][MAXTASKS]; //function code
volatile unsigned short SCC_TASK_SAddr[MAXPORT][MAXTASKS];
volatile unsigned short SCC_TASK_NRegs[MAXPORT][MAXTASKS];
volatile unsigned short SCC_TASK_MAddr[MAXPORT][MAXTASKS];
volatile unsigned short SCC_TASK_TOver[MAXPORT][MAXTASKS]; //等待时间
volatile unsigned char SCC_TASK_LIST[MAXPORT][MAXTASKS]; //compile to.
volatile unsigned char TASK_START_FLAG; //主站运行标志
volatile unsigned short SCC_TASKID[MAXPORT]; //当前的任务ID
volatile unsigned char SCC_BUSY[MAXPORT]; //状态跳转条件
volatile unsigned short SCC_BUSY_TICKS[MAXPORT];
volatile unsigned char SCC_TASK_PTR[MAXPORT];
volatile unsigned char SCC_TASK_RETRY[MAXPORT]; //超时重发次数,2次
volatile unsigned char numr;
//---------------------------------------------------------------------------------------------------------
//改为数组方式2008.2.14 by hqz
volatile WORD * SCC_RX_BD0_ST[MAXPORT]={SCC1_RX_BD0_ST_ADDR, SCC2_RX_BD0_ST_ADDR, SCC3_RX_BD0_ST_ADDR, SCC4_RX_BD0_ST_ADDR};
volatile WORD * SCC_RX_BD0_LN[MAXPORT]={SCC1_RX_BD0_LN_ADDR, SCC2_RX_BD0_LN_ADDR, SCC3_RX_BD0_LN_ADDR, SCC4_RX_BD0_LN_ADDR};
volatile DWORD * SCC_RX_BD0_PT[MAXPORT]={SCC1_RX_BD0_PT_ADDR, SCC2_RX_BD0_PT_ADDR, SCC3_RX_BD0_PT_ADDR, SCC4_RX_BD0_PT_ADDR};
volatile WORD * SCC_TX_BD0_ST[MAXPORT]={SCC1_TX_BD0_ST_ADDR, SCC2_TX_BD0_ST_ADDR, SCC3_TX_BD0_ST_ADDR, SCC4_TX_BD0_ST_ADDR};
volatile WORD * SCC_TX_BD0_LN[MAXPORT]={SCC1_TX_BD0_LN_ADDR, SCC2_TX_BD0_LN_ADDR, SCC3_TX_BD0_LN_ADDR, SCC4_TX_BD0_LN_ADDR};
volatile DWORD * SCC_TX_BD0_PT[MAXPORT]={SCC1_TX_BD0_PT_ADDR, SCC2_TX_BD0_PT_ADDR, SCC3_TX_BD0_PT_ADDR, SCC4_TX_BD0_PT_ADDR};
volatile DWORD * GSMR_L[MAXPORT]={GSMR_L1_ADDR, GSMR_L2_ADDR, GSMR_L3_ADDR, GSMR_L4_ADDR}; //GSMR_L:scc general mode register
//---------------------------------------------------------------------------------------------------------
const unsigned char g_byBitTable[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
static unsigned char 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
} ;
static unsigned char 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
};
unsigned short CRC16 (unsigned char *puchMsg, unsigned short usDataLen)
{
unsigned char uchCRCHi = 0xFF ; /* high byte of CRC initialized */
unsigned char uchCRCLo = 0xFF ; /* low byte of CRC initialized */
unsigned uIndex ; /* will index into CRC lookup table */
while (usDataLen--) /* pass through message buffer */
{
uIndex = uchCRCLo ^ *puchMsg++ ; /* calculate the CRC */
uchCRCLo = uchCRCHi ^ auchCRCHi[uIndex] ;
uchCRCHi = auchCRCLo[uIndex] ;
}
return (uchCRCHi << 8 | uchCRCLo) ;
}
//按bit拷贝数据
//output:拷贝的目的地址
//input: 拷贝的源地址
//bitout：拷贝到目的地址的第几位开始
//bitin：拷贝从源地址的第几位开始
//bits：总共拷贝到少bit
int bitcpy(unsigned char *output, unsigned char *input, char bitout, char bitin, int bits)
{
short lastout;
short bitsover;
unsigned short last_s;
unsigned char last;
unsigned char first;
int shift;
int i;
if(bitout == 0 && bitin == 0 && (bits % 8) == 0)
{
memcpy(output, input, bits/8);
}
else
{
bitsover=(bitout+bits)%8;
lastout=(bitout+bits)/8;
last_s=(((*((unsigned short *)(output+lastout)))>>bitsover)&0xffff)<<bitsover;
if(bitout==bitin)
{
last=((output[lastout]>>bitsover)&0xff)<<bitsover;
*output=((*output<<(8-bitout))&0xff)>>(8-bitout)|((((*input)>>bitout)&0xff)<<bitout);
if(lastout>0)
memmove(output+1,input+1,lastout);
output[lastout]= (((output[lastout]<<(8-bitsover))&0xff)>>(8-bitsover))|last;
}
else
{
first=*output;
memset(output+1,0,lastout);
*output=(((first<<(8-bitout))&0xff)>>(8-bitout));
if(bitout>bitin)
{
shift=bitout-bitin;
for(i=lastout;i>=0;i--)
{
*((unsigned short *)(output+i))|=(*((unsigned short *)(input+i))<<shift);
}
output[0]=(((first<<(8-bitout))&0xff)>>(8-bitout))| (((output[0]>>bitout)&0xff)<<bitout);
output[lastout]= (((output[lastout]<<(8-bitsover))&0xff)>>(8-bitsover))|last_s;
output[lastout+1]=((char *)&last_s)[1];
}
else
{
if(bitout<bitin) {
shift=bitin-bitout;
for(i=lastout;i>=0;i--)
{
*((unsigned short *)(output+i))|=(*((unsigned short *)(input+i))>>shift);
}
output[0]=(((first<<(8-bitout))&0xff)>>(8-bitout))| (((output[0]>>bitout)&0xff)<<bitout);
output[lastout]= (((output[lastout]<<(8-bitsover))&0xff)>>(8-bitsover))|last_s;
output[lastout+1]=((char *)&last_s)[1];
}
}
}
}
return 0;
}
unsigned short FormCRC(unsigned char *oriValAddr,unsigned short count)
{
unsigned short initVal=0xffff;
unsigned short midVal=0xa001;
unsigned short tempRegs,tempResult;
unsigned short i,j;
tempRegs=(short)(*oriValAddr);
tempRegs=tempRegs^initVal;
i=1;
loop:
for(j=0;j<8;j++)
{
if (tempRegs&0x0001)
{
tempRegs=tempRegs>>1;
tempRegs=tempRegs^midVal;
}
else
{
tempRegs=tempRegs>>1;
}
}
if (i<count)
{
i++;
oriValAddr++;
tempResult=(unsigned short)(*oriValAddr);
tempRegs=tempRegs^tempResult;
goto loop;
}
return(tempRegs);
}
//打印调试监听信息
void DBDataPrint(int nLen, int nCom, void * pData,int nFlg)
{
int l;
if(DEBUG_STS>=3 && nLen > 0)
{
l = (nLen > DIAG_INF_LEN ? DIAG_INF_LEN : nLen);
//等待数据区释放
READY_DIAG_INF=0;
while(READY_DIAG_INF);
DIAG_INF[0] = l;
DIAG_INF[1] = nCom + 1;
DIAG_INF[2] = nFlg; //msg type recv or send
memcpy(DIAG_INF + 3, pData, l);
DIAG_INT_FLAG = LISTEN_MODE; //说明中断类型
READY_DIAG_INF = 1;
READY = 1;
READY = 0; //中断
}
}
//根据任务状态来设置各个站的状态， 1正常， 0异常
void SetStationSTS(int nCom, int nSAddr, int nSTS)
{
if(nSTS > 0)
{
HRSTS[(nSAddr/8) + nCom * 8] |= g_byBitTable[nSAddr%8];
}
else
{
HRSTS[(nSAddr/8) + nCom * 8] &= (~g_byBitTable[nSAddr%8]);
}
}
//static short BoolVal_RefToMem(unsigned short SAddr)
//{
// return (SAddr )/8;
//}
//
//static unsigned char BoolVal_GetMemBias(unsigned short SAddr)
//{
// return (SAddr%8);
//}
//
//static short RegVal_RefToMem(unsigned short SAddr)
//{
// return (SAddr*2);
//}
//通过外部内存设置本地寄存器数据
//LocRegRef:本地寄存器起始地址
//RegN：本地寄存器个数
//pData:外部数据起始地址
//返回：写入的寄存器数量
static int ModbusSetRegs(int LocRegRef, int RegN, void * pData)
{
int Ret = 0;
unsigned short * pReg;//寄存器起始地址
if(LocRegRef + RegN < MODBUS_MAX_REG)
{
pReg = (unsigned short *)(HRDATA_BASE + MODBUS_REGDATA_OFFSET);
pReg += LocRegRef;
/*锁定数据区*/
READY_DATA = 0;
while(READY_DATA);
memcpy(pReg, pData, RegN*2);
READY_DATA = 1;
Ret = RegN;
}
return Ret;
}
static int ModbusGetRegs(int LocRegRef, int RegN, void * pData)
{
int Ret = 0;
unsigned short * pReg;//寄存器起始地址
if(LocRegRef + RegN < MODBUS_MAX_REG)
{
unsigned short * pReg;//寄存器起始地址
pReg = (unsigned short *)(HRDATA_BASE + MODBUS_REGDATA_OFFSET);
pReg += LocRegRef;
/*锁定数据区*/
READY_DATA = 0;
while(READY_DATA);
memcpy(pData, pReg, RegN*2);
READY_DATA = 1;
Ret = RegN;
}
return Ret;
}
static int ModbusSetCoils(int LocCoilRef, int CoilN, void * pData)
{
int Ret = 0;
unsigned char * pCoil;
if(LocCoilRef + CoilN < MODBUS_MAX_COIL)
{
pCoil = (unsigned char *)(HRDATA_BASE + MODBUS_COILDATA_OFFSET);
pCoil += (LocCoilRef/8);
READY_DATA = 0;
while(READY_DATA);
bitcpy(pCoil, (unsigned char *)pData, (LocCoilRef%8), 0, CoilN);
READY_DATA = 1;
Ret = CoilN;
}
return Ret;
}
//Val=0xFF:置1 =0x00:置0
static int ModbusSetCoil(int LocCoilRef, unsigned char Val)
{
int Ret = 0;
unsigned char * pCoil;
if(LocCoilRef < MODBUS_MAX_COIL)
{
pCoil = (unsigned char *)(HRDATA_BASE + MODBUS_COILDATA_OFFSET);
pCoil += (LocCoilRef/8);
READY_DATA = 0;
while(READY_DATA);
if(Val > 0)
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