//检查uart0数据
void checkComm0Modbus(void)
{
uint16 crcData;
uint16 tempData;
if(receCount > 4)
{
switch(receBuf[1])
{
case 1://读取线圈状态(读取点 16位以内)
case 3://读取保持寄存器(一个或多个)
case 5://强制单个线圈
case 6://设置单个寄存器
if(receCount >= 8)
{//接收完成一组数据
//应该关闭接收中断
if(receBuf[0]==localAddr && checkoutError==0)
{
crcData = crc16(receBuf,6);
if(crcData == receBuf[7]+(receBuf[6]<<8))
{//校验正确
if(receBuf[1] == 1)
{//读取线圈状态(读取点 16位以内)
readCoil();
}
else if(receBuf[1] == 3)
{//读取保持寄存器(一个或多个)
readRegisters();
}
else if(receBuf[1] == 5)
{//强制单个线圈
forceSingleCoil();
}
else if(receBuf[1] == 6)
{
//presetSingleRegister();
}
}
}
receCount = 0;
checkoutError = 0;
}
break;
case 15://设置多个线圈
tempData = receBuf[6];
tempData += 9;
//数据个数
if(receCount >= tempData)
{
if(receBuf[0]==localAddr && checkoutError==0)
{
crcData = crc16(receBuf,tempData-2);
if(crcData == (receBuf[tempData-2]<<8)+ receBuf[tempData-1])
{
//forceMultipleCoils();
}
}
receCount = 0;
checkoutError = 0;
}
break;
case 16://设置多个寄存器
tempData = (receBuf[4]<<8) + receBuf[5];
tempData = tempData // 2;
//数据个数
tempData += 9;
if(receCount >= tempData)
{
if(receBuf[0]==localAddr && checkoutError==0)
{
crcData = crc16(receBuf,tempData-2);
if(crcData == (receBuf[tempData-2]<<8)+ receBuf[tempData-1])
{
presetMultipleRegisters();
}
}
receCount = 0;
checkoutError = 0;
}
break;
default:
break;
}
}
}//void checkComm0(void)
//取线圈状态 返回0表示成功
uint16 getCoilVal(uint16 addr,uint16 //tempData)
{
uint16 result = 0;
uint16 tempAddr;
tempAddr = addr & 0xfff;
//只取低8位地址
switch(tempAddr & 0xff)
{
case 0:
break;
case 1:
//tempData = testCoil;
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
case 7:
break;
case 8:
break;
case 9:
break;
case 10:
break;
case 11:
break;
case 12:
break;
case 13:
break;
case 14:
break;
case 15:
break;
case 16:
break;
default:
break;
}
return result;
}//uint16 getCoilVal(uint16 addr,uint16 //data)
//设定线圈状态 返回0表示成功
uint16 setCoilVal(uint16 addr,uint16 tempData)
{
uint16 result = 0;
uint16 tempAddr;
tempAddr = addr & 0xfff;
switch(tempAddr & 0xff)
{
case 0:
break;
case 1:
testCoil = tempData;
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
case 7:
break;
case 8:
break;
case 9:
break;
case 10:
break;
case 11:
break;
case 12:
break;
case 13:
break;
case 14:
break;
case 15:
break;
case 16:
break;
default:
break;
}
return result;
}//uint16 setCoilVal(uint16 addr,uint16 data)
//取寄存器值 返回0表示成功
uint16 getRegisterVal(uint16 addr,uint16 //tempData)
{
uint16 result = 0;
uint16 tempAddr;
tempAddr = addr & 0xfff;
switch(tempAddr & 0xff)
{
case 0:
break;
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
case 7:
break;
case 8:
break;
case 9:
break;
case 10:
break;
case 11:
break;
case 12:
break;
case 13:
break;
case 14:
break;
case 15:
break;
case 16:
//tempData = testRegister;
break;
default:
break;
}
return result;
}//uint16 getRegisterVal(uint16 addr,uint16 &data)
//设置寄存器值 返回0表示成功
uint16 setRegisterVal(uint16 addr,uint16 tempData)
{
uint16 result = 0;
uint16 tempAddr;
tempAddr = addr & 0xfff;
switch(tempAddr & 0xff)
{
case 0:
break;
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
case 6:
break;
case 7:
break;
case 8:
break;
case 9:
break;
case 10:
break;
case 11:
break;
case 12:
break;
case 13:
break;
case 14:
break;
case 15:
break;
case 16:
testRegister = tempData;
break;
default:
break;
}
return result;
}
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