飞利浦双串口51单片机485网关

主要功能将PC端的数据接收下来,分发到不同的设备,也是轮询设备数据读取回来,打包回传到PC端,数据包包头包尾识别,数据校验,接收超时处理,将协议结构化处理,协议的改动不需要改动程序,中断接收一帧完成置标志位交由上层协议程序校验并处理转发

协议格式定义,每一个位都进行了定仪

dart 复制代码
#ifndef PROTOCOL_H
#define PROTOCOL_H
#include "define.h"
//IO_EMM_31
typedef struct 
{
	uchar Stx;
	uchar Length;
	uchar ID;
	uchar TollCollectorID[3];
	uchar LoginDuration[2];
	uchar VehicleClass;
	union
	{
	 	uchar byte;
		struct
		{
			uchar Payment:4;
			uchar Axle:4;
		}BIT;
	}AxlePaymentDisplay;
	union
	{
		uint word;
		uchar byte[2];
	}TollFare;
	union
	{
		uchar byte;
		struct
		{			
			uchar reserved:1;
			uchar Exit_LSS_Rlight:1;
			uchar BarrierClose:1;
			uchar BarrierOpen:1;
			uchar Entry_LSS_Rlight:1;
			uchar Entry_LSS_Glight:1;
			uchar LaneLog:1;
			uchar zero:1;
		}BIT;
	}TMU_Control1;
	union
	{
		uchar byte;
		struct
		{
			uchar EmergencyAlarm:1;
			uchar EvasionAlarm:1;
			uchar DiscrepancyAlarm:1;
			uchar MisregistrationAlarm:1;
			uchar reserved:1;
			uchar AxleDectorFault:1;
			uchar BoothEquipmentFault:1;
			uchar zero:1;
		}BIT;
	}TMU_Control2;
	union
	{
		uchar byte;
		struct
		{
			uchar EmergencyAlarmRstBut:1;
			uchar EvalsionAlarmRstBut:1;
			uchar DiscrepancyAlarmRstBut:1;
			uchar MisregistrationAlarmRstBut:1;
			uchar AxleDetectorOVerride:1;
			uchar KeyInOverrideSelect:1;
			uchar reserved:1;
			uchar zero:1;
		}BIT;
	}ConStatus1;
	union
	{
		uchar byte;
		struct
		{
			uchar resetved:4;
			uchar TMUCommFail:1;
			uchar TMUDimmerOverAct:1;
			uchar AllSignageDimmming:1;
			uchar zero:1;
		}BIT;
	}ConStatus2;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:1;
			uchar CanopyBeacon:1;
			uchar Entry_LSS_Rlight:1;
			uchar Entry_LSS_Glight:1;
			uchar TPS_Glight:1;
			uchar TPS_Rlight:1;
			uchar DimmingNormal:1;
			uchar zero:1;
		}BIT;
	}SignageControl;
	union
	{
		uchar byte;
		struct
		{
			uchar TPSCommFail:1;
			uchar reserve2:1;
			uchar reserve1:1;
			uchar TPSTempHigher70:1;
			uchar CLSCommFail:1;
			uchar CLSPixelFaultDetect:1;
			uchar CLSTempHigher70:1;
			uchar zero:1;
		}BIT;
	}TPS_CLSFaultStatus;
	union
	{
		uchar byte;
		struct
		{
			uchar EntryCommFail:1;
			uchar ExitCommFail:1;
			uchar RlightAspectHigher50:1;
			uchar RlightAspectHigher25:1;
			uchar TempHigher70:1;
			uchar reseved:1;
			uchar Rlight:1;
			uchar zero:1;
		}BIT;
	}ExitLSSStatus;
	union
	{
		uchar byte;
		struct
		{
			uchar GlightAspectHigher50:1;
			uchar GlightAspectHigher25:1;
			uchar RlightAspectHigher50:1;
			uchar RlightAspectHigher25:1;
			uchar TempHigher70:1;
			uchar Glight:1;
			uchar Rlight:1;
			uchar zero:1;
		}BIT;
	}EntryLSSStatus;
	union
	{
		uchar byte;
		struct
		{
			uchar ShortDetect:1;
			uchar reserved:2;
			uchar KickBarAlarm:1;
			uchar CabinetOpen:1;
			uchar BarrierColse:1;
			uchar BarrierOpen:1;
			uchar zero:1;
		}BIT;
	}LocalIOInputStatus;
	union
	{
		uchar byte;
		struct
		{
			uchar Class0:1;
			uchar Class1:1;
			uchar Class2:1;
			uchar Class3:1;
			uchar Class4:1;
			uchar Class5:1;
			uchar Class6:1;
			uchar zero:1;
		}BIT;
	}AutoTollInputStatus1;
	union
	{
		uchar byte;
		struct
		{
			uchar Class7:1;
			uchar Class8:1;
			uchar Class9:1;
			uchar ClassAdd1:1;
			uchar LaneOpen:1;
			uchar LaneClose:1;
			uchar reserved:1;
			uchar zero:1;
		}BIT;
	}AutoTollInputStatus2;
	union
	{
		uchar byte;
		struct
		{
			uchar Axle1:1;
			uchar Axle2:1;
			uchar Axle3:1;
			uchar Axle4:1;
			uchar Axle5:1;
			uchar Axle6:1;
			uchar reserved:1;
			uchar zero:1;
		}BIT;
	}AutoTollInputStatus3;
	uchar Checksum;
	uchar Etx;
}IO_EMM_31;

//IO_EMM_32
typedef struct
{
	uchar Stx;
	uchar Length;
	uchar ID;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:1;
			uchar Dimmer:3;
			uchar Normal:3;
			uchar zero:1;
		}BIT;
	}TPSSetting;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:1;
			uchar Dimmer:3;
			uchar Normal:3;
			uchar zero:1;
		}BIT;
	}CLSSetting;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:1;
			uchar Dimmer:3;
			uchar Normal:3;
			uchar zero:1;
		}BIT;
	}EntryLSSSetting;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:1;
			uchar Dimmer:3;
			uchar Normal:3;
			uchar Zero:1;
		}BIT;
	}ExitLSSSetting;
	uchar Checksum;
	uchar Etx;
}IO_EMM_32;

//IO_TMU
typedef struct
{
	uchar Stx;
	uchar Length;
	uchar ID;
	uchar TollCollectorID[3];
	uchar LoginDuration[2];
	uchar VehicleClass;
	union
	{
	 	uchar byte;
		struct
		{
			uchar Payment:4;
			uchar Axle:4;
		}BIT;
	}AxlePaymentDisplay;
	union
	{
		uchar byte;
		struct
		{			
			uchar reserved:1;
			uchar Exit_LSS_Rlight:1;
			uchar BarrierClose:1;
			uchar BarrierOpen:1;
			uchar Entry_LSS_Rlight:1;
			uchar Entry_LSS_Glight:1;
			uchar LaneLog:1;
			uchar zero:1;
		}BIT;
	}TMU_Control1;
	union
	{
		uchar byte;
		struct
		{
			uchar EmergencyAlarm:1;
			uchar EvasionAlarm:1;
			uchar DiscrepancyAlarm:1;
			uchar MisregistrationAlarm:1;
			uchar reserved:1;
			uchar AxleDectorFault:1;
			uchar BoothEquipmentFault:1;
			uchar zero:1;
		}BIT;
	}TMU_Control2;
	union
	{
		uchar byte;
		struct
		{
			uchar EmergencyAlarmRstBut:1;
			uchar EvalsionAlarmRstBut:1;
			uchar DiscrepancyAlarmRstBut:1;
			uchar MisregistrationAlarmRstBut:1;
			uchar AxleDetectorOVerride:1;
			uchar KeyInOverrideSelect:1;
			uchar reserved:1;
			uchar zero:1;
		}BIT;
	}ConStatus1;
	union
	{
		uchar byte;
		struct
		{
			uchar resetved:5;
			uchar TMUDimmerOverAct:1;
			uchar AllSignageDimming:1;
			uchar zero:1;
		}BIT;
	}ConStatus2;
	uchar Checksum;
	uchar Etx;
}IO_TMU;

//IO_TPS
typedef struct
{
	uchar Stx;
	uchar Length;
	uchar ID;
	union
	{
		uint word;
		uchar byte[2];
	}TollFare;
	union
	{
		uchar byte;
		struct
		{
			uchar DispPleasePaid:1;
			uchar DispThankyou:1;
			uchar Rlight:1;
			uchar Glight:1;
			uchar BrightnessControl:3;
			uchar reserved:1;
		}BIT;
	}LedDisplay;
	union
	{
		uchar byte;
		struct
		{
			uchar TempHigher70:1;
			uchar reserved:7;
		}BIT;
	}Status;
	uchar Checksum;
	uchar Etx;
}IO_TPS;

//IO_CLS
typedef struct
{
	uchar Stx;
	uchar Length;
	uchar ID;
	uchar VehicleClass;
	union
	{
		uchar byte;
		struct
		{
			uchar Axle:3;
			uchar reserved1:1;
			uchar RelayContactClose:1;
			uchar reserved2:3;
		}BIT;
	}AxleCounterDisplay;
	union
	{
		uchar byte;
		struct
		{
			uchar reserved:4;
			uchar Brightness:3;
			uchar zero:1;
		}BIT;
	}BrightnessControl;
	union
	{
		uchar byte;
		struct
		{
			uchar TempHigher70:1;
			uchar PixelFaultDetected:1;
			uchar reserved:6;
		}BIT;
	}Status;
	uchar Checksum;
	uchar Etx;
}IO_CLS;

//IO_LSS
typedef struct
{
	uchar Stx;
	uchar Length;
	uchar ID;
	union
	{
		uchar byte;
		struct
		{
			uchar Rlight:1;
			uchar Glight:1;
			uchar reserved:6;			
		}BIT;
	}SignalDisp;
	union
	{
		uchar byte;
		struct
		{
			uchar RlightAspectHigher25:1;
			uchar RlightAspectHigher50:1;
			uchar GlightAspectHigher25:1;
			uchar GlightAspectHigher50:1;
			uchar BrightnessControl:3;
			uchar reserved:1;			
		}BIT;
	}Status1;
	union
	{
		uchar byte;
		struct
		{
			uchar TempHigher70:1;
			uchar reserved:7;
		}BIT;
	}Status2;
	uchar Checksum;
	uchar Etx;
}IO_LSS;

typedef struct
{
	uchar Dimmer;
	uchar Normal;
}BRIGHTNESS;
#endif

中断接收与发送

dart 复制代码
void IntUart0Rx( void ) interrupt 4
{
	uchar temp;
	static uchar MsgLen;
	if( RI_0 )
	{
		RI_0 = 0;
		temp = S0BUF;
		Timer1ms[TIMER_COM_DEV].Tick = 10;
		Timer1ms[TIMER_COM_DEV].Flg.BIT.Enable = 1;

		Timer[TIMER_RESPONSE].Tick = 5;

		ACC = temp;
		if( P==RB8_0 )
		{
			if( !DevStrEndFlg )
			{
				if( temp==0xaa )
				{									  
					DevStrEndFlg = 1;
					IO2Dev.RecvPtr = 0;
					IO2Dev.RecvBuf[IO2Dev.RecvPtr++] = temp;
					IO2Dev.Error.byte = 0;
				}
			}
			else
			{
				if( temp==0xab && IO2Dev.RecvPtr==MsgLen )
				{
					DevStrEndFlg = 0;
					IO2Dev.RecvBuf[IO2Dev.RecvPtr++] = temp;
					IO2Dev.Flg.BIT.Recv = 1;
					IO2Dev.RecvLen = IO2Dev.RecvPtr;
				}/*
				else if( temp==0xaa  && IO2Dev.RecvPtr!=MsgLen-1 )
				{
					IO2Dev.RecvPtr = 0;
					IO2Dev.RecvBuf[IO2Dev.RecvPtr++] = temp;
				}*/
				else if( IO2Dev.RecvPtr==2 )
				{
					IO2Dev.ID = temp;
					IO2Dev.RecvBuf[IO2Dev.RecvPtr++] = temp;
					switch( IO2Dev.ID )
					{
						case IO_TMU_ID:
							MsgLen = sizeof( IO_TMU )-1;
							break;
						case IO_TPS_ID:
							MsgLen = sizeof( IO_TPS )-1;
							break;
						case IO_CLS_ID:
							MsgLen = sizeof( IO_CLS )-1;
							break;
						case IO_ELSS_ID:
							MsgLen = sizeof( IO_LSS )-1;
							break;
						case IO_XLSS_ID:
							MsgLen = sizeof( IO_LSS )-1;
							break;
						default:
							DevStrEndFlg = 0;
					}
				}
				else if( IO2Dev.RecvPtr<RECVBUF_LEN )
				{
					IO2Dev.RecvBuf[IO2Dev.RecvPtr++] = temp;
				}
				else  //接收数据溢出
				{
					DevStrEndFlg = 0;
					IO2Dev.RecvPtr = 0;
				}
//				flg = IO2Dev.RecvPtr;
			}
		}
		else
		{
			IO2Dev.Error.BIT.Even = 1;
		}
	}
	else if( S0STAT&0x08 )//Framing Error
	{
		S0STAT &= ~0x08;
		IO2Dev.Error.BIT.Framing = 1;
	}
	else if( S0STAT&0x04 )//Break Detect
	{
		S0STAT &= ~0x04;
		IO2Dev.Error.BIT.BreakDetect = 1;
	}
	else if( S0STAT&0x02 )//Overrun Error
	{
		S0STAT &= ~0x02;
		IO2Dev.Error.BIT.Overrun = 1;
	}
}

//串行口0的发送中断程序
void IntUart0Tx( void ) interrupt 7
{
	Uart0SendData();
}

以指针提取数据

dart 复制代码
#include "Emm2IO.h"
#include "com.h"
#include "protocol.h"
#include "systemtask.h"
#include "IOCheck.h"

IO_EMM_31 IOEmm31;
extern BUF_DEF Emm2IO;
extern IO_TMU IOTmu;
extern IO_TPS IOTps;
extern IO_CLS IOCls;
extern IO_LSS IOEntryLss;
extern IO_LSS IOExitLss;
extern BRIGHTNESS TpsBrightness,ClsBrightness,EntryLssBrightness,ExitLssBrightness;

extern IO_CHECK_DEF IoCheck;
extern TIMER_DEF Timer[TIMER_NUM];
extern uchar flg;
void Emm2IOInit( void )
{
	//31
	IOEmm31.Stx = 0xaa;
	IOEmm31.Length = 0x18;
	IOEmm31.ID = 0x20;
	IOEmm31.ConStatus1.byte = 0;
	IOEmm31.ConStatus2.byte = 0x10;
	IOEmm31.TPS_CLSFaultStatus.byte = 0x11;
	IOEmm31.ExitLSSStatus.byte = 0x03;
	IOEmm31.EntryLSSStatus.byte = 0x00;
	IOEmm31.LocalIOInputStatus.byte = 0x00;
	IOEmm31.AutoTollInputStatus1.byte = 0x00;
	IOEmm31.AutoTollInputStatus2.byte = 0x00;
	IOEmm31.AutoTollInputStatus3.byte = 0x00;
	IOEmm31.Etx = 0xab;

	Emm2IO.Flg.byte = 0;
	Emm2IO.SendLen = 0;
	Emm2IO.RecvLen = 0;
	Emm2IO.SendPtr = 0;
	Emm2IO.RecvPtr = 0;

	Timer[TIMER_STOP].Flg.BIT.TimeOut = 0;
	Timer[TIMER_STOP].Tick = 500;
	Timer[TIMER_STOP].Flg.BIT.Enable = 1;
}
//从Emm2IOController31的接收数据中取出需要的内容放到设备缓冲区中
void CopyEmm31ToDev( IO_EMM_31 *IoEmm31Ptr )
{
	//TMU
	IOTmu.TollCollectorID[0] = IoEmm31Ptr->TollCollectorID[0];
	IOTmu.TollCollectorID[1] = IoEmm31Ptr->TollCollectorID[1];
	IOTmu.TollCollectorID[2] = IoEmm31Ptr->TollCollectorID[2];
	IOTmu.LoginDuration[0] = IoEmm31Ptr->LoginDuration[0];
	IOTmu.LoginDuration[1] = IoEmm31Ptr->LoginDuration[1];
	IOTmu.VehicleClass = IoEmm31Ptr->VehicleClass;
	IOTmu.AxlePaymentDisplay.byte = IoEmm31Ptr->AxlePaymentDisplay.byte;
	IOTmu.TMU_Control1.byte = IoEmm31Ptr->TMU_Control1.byte;
	IOTmu.TMU_Control2.byte = IoEmm31Ptr->TMU_Control2.byte;
	//TPS
	IOTps.TollFare.byte[0] = IoEmm31Ptr->TollFare.byte[0];
	IOTps.TollFare.byte[1] = IoEmm31Ptr->TollFare.byte[1];
	IOTps.LedDisplay.BIT.Glight = IoEmm31Ptr->SignageControl.BIT.TPS_Glight;
	IOTps.LedDisplay.BIT.Rlight = IoEmm31Ptr->SignageControl.BIT.TPS_Rlight;
	if( (((IoEmm31Ptr->TollFare.byte[0]&0xf0)>>4) == 0x000c) && (IoEmm31Ptr->AxlePaymentDisplay.BIT.Payment == 0x0b) )
	{
		IOTps.LedDisplay.BIT.DispPleasePaid = 1;
		IOTps.LedDisplay.BIT.DispThankyou = 0;
	}
	else if( (((IoEmm31Ptr->TollFare.byte[0]&0xf0)>>4) == 0x0000c) && (IoEmm31Ptr->AxlePaymentDisplay.BIT.Payment != 0x0b) )
	{
		IOTps.LedDisplay.BIT.DispPleasePaid = 0;
		IOTps.LedDisplay.BIT.DispThankyou = 1;
	}
	else if( ((IoEmm31Ptr->TollFare.byte[0]&0xf0)>>4) == 0x0000b )
	{
		IOTps.LedDisplay.BIT.DispPleasePaid = 0;
		IOTps.LedDisplay.BIT.DispThankyou = 0;
	}
	else
	{
		IOTps.LedDisplay.BIT.DispPleasePaid = 0;
		IOTps.LedDisplay.BIT.DispThankyou = 0;
	}
	//CLS
	IOCls.VehicleClass = IoEmm31Ptr->VehicleClass;
	if( IoEmm31Ptr->AxlePaymentDisplay.BIT.Axle>0 && IoEmm31Ptr->AxlePaymentDisplay.BIT.Axle<7 )
	{
		IOCls.AxleCounterDisplay.BIT.Axle = IoEmm31Ptr->AxlePaymentDisplay.BIT.Axle;
	}
	else
	{
		IOCls.AxleCounterDisplay.BIT.Axle = 0;
	}
	IOCls.AxleCounterDisplay.BIT.RelayContactClose = IoEmm31Ptr->SignageControl.BIT.CanopyBeacon;
	//EntryLSS
	IOEntryLss.SignalDisp.BIT.Rlight = IoEmm31Ptr->SignageControl.BIT.Entry_LSS_Rlight;
	if( IoEmm31Ptr->SignageControl.BIT.Entry_LSS_Glight && IOEmm31.LocalIOInputStatus.BIT.BarrierOpen &&
		!IOEmm31.LocalIOInputStatus.BIT.BarrierColse )
	{
		IOEntryLss.SignalDisp.BIT.Glight = 1;
		IOEntryLss.SignalDisp.BIT.Rlight = 0;
	}
	else
	{
		IOEntryLss.SignalDisp.BIT.Glight = 0;
		IOEntryLss.SignalDisp.BIT.Rlight = 1;
	}
	//ExitLSS
	if( IoEmm31Ptr->SignageControl.BIT.DimmingNormal )
	{
		IOTps.LedDisplay.BIT.BrightnessControl = TpsBrightness.Dimmer;
		IOCls.BrightnessControl.BIT.Brightness = ClsBrightness.Dimmer;
		IOEntryLss.Status1.BIT.BrightnessControl = EntryLssBrightness.Dimmer;
		IOExitLss.Status1.BIT.BrightnessControl = ExitLssBrightness.Dimmer;
	}
	else
	{
		IOTps.LedDisplay.BIT.BrightnessControl = TpsBrightness.Normal;
		IOCls.BrightnessControl.BIT.Brightness = ClsBrightness.Normal;
		IOEntryLss.Status1.BIT.BrightnessControl = EntryLssBrightness.Normal;
		IOExitLss.Status1.BIT.BrightnessControl = ExitLssBrightness.Normal;
	}
}
//从接收的Emm2IOController31的数据更新Emm31缓冲区
void CopyEmm31ToEmm31Buf( IO_EMM_31 *IoEmm31Ptr )
{
	uchar *Sptr,*Dptr,i;
	Sptr = (uchar*)IoEmm31Ptr;
	Dptr = (uchar*)&IOEmm31;
	for( i=0; i<11; i++ )
	{
		*(Dptr+i+3) = *(Sptr+i+3);
	}
	*(Dptr+16) = *(Sptr+16);
}
//更新各设备的亮度值
void CopyEmm32ToDev( IO_EMM_32 *IoEmm32Ptr )
{
	//TPS
	TpsBrightness.Dimmer = IoEmm32Ptr->TPSSetting.BIT.Dimmer;
	TpsBrightness.Normal = IoEmm32Ptr->TPSSetting.BIT.Normal;
	//CLS
	ClsBrightness.Dimmer = IoEmm32Ptr->CLSSetting.BIT.Dimmer;
	ClsBrightness.Normal = IoEmm32Ptr->CLSSetting.BIT.Normal;
	//EntryLSS
	EntryLssBrightness.Dimmer = IoEmm32Ptr->EntryLSSSetting.BIT.Dimmer;
	EntryLssBrightness.Normal = IoEmm32Ptr->EntryLSSSetting.BIT.Normal;
	//ExitLSS
	ExitLssBrightness.Dimmer = IoEmm32Ptr->ExitLSSSetting.BIT.Dimmer;
	ExitLssBrightness.Normal = IoEmm32Ptr->ExitLSSSetting.BIT.Normal;
}
//判断是否已从EMM接收完整的数据包,并进行处理
void Emm2IOMain( void )
{
	uchar ver,*ptr;
	IO_EMM_31 *IoEmm31Ptr;
	IO_EMM_32 *IoEmm32Ptr;
	if( Emm2IO.Flg.BIT.Recv )
	{
		Emm2IO.Flg.BIT.Recv = 0;

		Timer[TIMER_STOP].Tick = 500;
		Timer[TIMER_STOP].Flg.BIT.Enable = 1;

		if( Emm2IO.Error.byte == 0 )
		{
			ver = Checksum( &Emm2IO.RecvBuf[1],Emm2IO.RecvLen-3 );
			if( Emm2IO.ID==EMM_IO31_ID )
			{
				IoEmm31Ptr = (IO_EMM_31 *)Emm2IO.RecvBuf;
				if( ver==IoEmm31Ptr->Checksum )
				{
					CopyEmm31ToDev( IoEmm31Ptr );
					CopyEmm31ToEmm31Buf( IoEmm31Ptr );
					ptr = (uchar*)&IOEmm31;
					ptr++;
//					IOEmm31.AutoTollInputStatus3.byte = IoCheck.SaveState.byte[3];
//					IOEmm31.LocalIOInputStatus.byte = IoCheck.SaveState.byte[0];
//					IOEmm31.AutoTollInputStatus1.byte = IoCheck.SaveState.byte[1];
//					IOEmm31.AutoTollInputStatus2.byte = IoCheck.SaveState.byte[2];
//					IOEmm31.AutoTollInputStatus3.byte = IoCheck.SaveState.byte[3];
					ver = Checksum( ptr,sizeof(IO_EMM_31)-3 );
					IOEmm31.Checksum = ver;
					CopyToUart1SendBuf( (uchar*)&IOEmm31, sizeof(IO_EMM_31) );
				}
			}
			else if( Emm2IO.ID==EMM_IO32_ID )
			{
				IoEmm32Ptr = (IO_EMM_32 *)Emm2IO.RecvBuf;
				if( ver==IoEmm32Ptr->Checksum )
				{
					CopyEmm32ToDev( IoEmm32Ptr );
					CopyToUart1SendBuf( (uchar*)IoEmm32Ptr, sizeof(IO_EMM_32) );
				}
			}
		}
		else
		{
			Emm2IO.Error.byte = 0;
		}
		Emm2IO.RecvPtr = 0;
		Emm2IO.ID = 0;
	}
	//When no polling with EMM > 5 seconds.
	if( Timer[TIMER_STOP].Flg.BIT.TimeOut )
	{
		Timer[TIMER_STOP].Flg.BIT.TimeOut = 0;
		//TMU
		IOTmu.TollCollectorID[0] = 0x0b;
		IOTmu.TollCollectorID[1] = 0xbb;
		IOTmu.TollCollectorID[2] = 0xbb;
		IOTmu.LoginDuration[0] = 0xbb;
		IOTmu.LoginDuration[1] = 0xbb;
		IOTmu.VehicleClass = 0xbb;
		IOTmu.AxlePaymentDisplay.byte = 0xbb;
		IOTmu.TMU_Control1.byte = 0x00;
		IOTmu.TMU_Control2.byte = 0x40;
		//TPS
		IOTps.TollFare.word = 0xbbbb;
		IOTps.LedDisplay.BIT.Rlight = 1;
		IOTps.LedDisplay.BIT.Glight = 0;
		IOTps.LedDisplay.BIT.DispPleasePaid = 0;
		IOTps.LedDisplay.BIT.DispThankyou = 0;
		//CLS
		IOCls.VehicleClass = 0xbb;
		IOCls.AxleCounterDisplay.byte = 0x00;
		//Entry Lss
		IOEntryLss.SignalDisp.byte = 0x01;
		//Exit Lss
		IOExitLss.SignalDisp.byte = 0x01;
	}
}

主程序循环,

代码多年前写,基于飞利浦双串口单片机,程序结构是大循环前后台标志,就算现在用上了linux、rtos等的方式,程序接收处理方式差别不大,只是实现起来更简单

下面是完整工程连接

链接:https://pan.baidu.com/s/1bXOrMRH6Gf7kcjra4uANtA?pwd=1234

提取码:1234

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