libs/FreeModbus_Slave-Master-RTT-STM32
libs
/
FreeModbus_Slave-Master-RTT-STM32
mirror of https://github.com/armink/FreeModbus_Slave-Master-RTT-STM32.git
4
0
Fork 0
Code Issues Releases Wiki Activity

1、【完善】部分注释内容。 

Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink 2015-02-05 17:21:06 +08:00
parent c15c3a4cc6
commit 1168eca6bf
11 changed files with 335 additions and 332 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
APP/src/app_task.c
View File

@ -46,7 +46,7 @@ void thread_entry_SysMonitor(void* parameter)
LED_LED1_OFF;
LED_LED2_OFF;
rt_thread_delay(DELAY_SYS_RUN_LED);
IWDG_Feed(); //ι¹·
IWDG_Feed(); //feed the dog
//Test Modbus Master
usModbusUserData[0] = (USHORT)(rt_tick_get()/10);
usModbusUserData[1] = (USHORT)(rt_tick_get()%10);

1
FreeModbus/port/port.h
View File

@ -58,6 +58,5 @@ typedef int32_t LONG;
void EnterCriticalSection(void);
void ExitCriticalSection(void);
void vMBDelay(ULONG nCount);
#endif

2
FreeModbus/port/rtt/portevent.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or

2
FreeModbus/port/rtt/portevent_m.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or

2
FreeModbus/port/rtt/portserial.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or

2
FreeModbus/port/rtt/portserial_m.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or

7
FreeModbus/port/rtt/porttimer.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or
@ -57,11 +57,6 @@ void prvvTIMERExpiredISR(void)
(void) pxMBPortCBTimerExpired();
}
/**
* This function is PLC uart receive timer callback function
*
* @param parameter null
*/
static void timer_timeout_ind(void* parameter)
{
prvvTIMERExpiredISR();

13
FreeModbus/port/rtt/porttimer_m.c
View File

@ -1,5 +1,5 @@
/*
* FreeModbus Libary: STM32 Port
* FreeModbus Libary: RT-Thread Port
* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
*
* This library is free software; you can redistribute it and/or
@ -57,7 +57,7 @@ void vMBMasterPortTimersT35Enable()
rt_tick_t timer_tick = (50 * usT35TimeOut50us)
/ (1000 * 1000 / RT_TICK_PER_SECOND);
/* Set current timer mode,don't change it.*/
/* Set current timer mode, don't change it.*/
vMBMasterSetCurTimerMode(MB_TMODE_T35);
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
@ -69,7 +69,7 @@ void vMBMasterPortTimersConvertDelayEnable()
{
rt_tick_t timer_tick = MB_MASTER_DELAY_MS_CONVERT * RT_TICK_PER_SECOND / 1000;
/* Set current timer mode,don't change it.*/
/* Set current timer mode, don't change it.*/
vMBMasterSetCurTimerMode(MB_TMODE_CONVERT_DELAY);
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
@ -81,7 +81,7 @@ void vMBMasterPortTimersRespondTimeoutEnable()
{
rt_tick_t timer_tick = MB_MASTER_TIMEOUT_MS_RESPOND * RT_TICK_PER_SECOND / 1000;
/* Set current timer mode,don't change it.*/
/* Set current timer mode, don't change it.*/
vMBMasterSetCurTimerMode(MB_TMODE_RESPOND_TIMEOUT);
rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
@ -99,11 +99,6 @@ void prvvTIMERExpiredISR(void)
(void) pxMBMasterPortCBTimerExpired();
}
/**
* This function is PLC uart receive timer callback function
*
* @param parameter null
*/
static void timer_timeout_ind(void* parameter)
{
prvvTIMERExpiredISR();

285
FreeModbus/port/user_mb_app.c
View File

@ -41,17 +41,17 @@ USHORT usSRegInBuf[S_REG_INPUT_NREGS] ;
//Slave mode:HoldingRegister variables
USHORT usSRegHoldStart = S_REG_HOLDING_START;
USHORT usSRegHoldBuf[S_REG_HOLDING_NREGS] ;
//******************************输入寄存器回调函数**********************************
//函数定义: eMBErrorCode eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
//描 述：输入寄存器相关的功能（读、连续读）
//入口参数：pucRegBuffer : 回调函数将Modbus寄存器的当前值写入的缓冲区
// usAddress : 寄存器的起始地址，输入寄存器的地址范围是1-65535。
// usNRegs : 寄存器数量
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2010-10-31 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
/**
* Modbus slave input register callback function.
*
* @param pucRegBuffer input register buffer
* @param usAddress input register address
* @param usNRegs input register number
*
* @return result
*/
eMBErrorCode eMBRegInputCB(UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex;
@ -60,20 +60,22 @@ eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
USHORT REG_INPUT_NREGS;
USHORT usRegInStart;
pusRegInputBuf = usSRegInBuf;
REG_INPUT_START = S_REG_INPUT_START;
REG_INPUT_NREGS = S_REG_INPUT_NREGS;
usRegInStart = usSRegInStart;
pusRegInputBuf = usSRegInBuf;
REG_INPUT_START = S_REG_INPUT_START;
REG_INPUT_NREGS = S_REG_INPUT_NREGS;
usRegInStart = usSRegInStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= REG_INPUT_START )
&& ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= REG_INPUT_START)
&& (usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS))
{
iRegIndex = usAddress - usRegInStart;
while( usNRegs > 0 )
while (usNRegs > 0)
{
*pucRegBuffer++ = (unsigned char) (pusRegInputBuf[iRegIndex] >> 8);
*pucRegBuffer++ = ( unsigned char )( pusRegInputBuf[iRegIndex] & 0xFF );
*pucRegBuffer++ = (UCHAR) (pusRegInputBuf[iRegIndex] >> 8);
*pucRegBuffer++ = (UCHAR) (pusRegInputBuf[iRegIndex] & 0xFF);
iRegIndex++;
usNRegs--;
}
@ -85,20 +87,19 @@ eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
return eStatus;
}
//******************************保持寄存器回调函数**********************************
//函数定义: eMBErrorCode eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
//描 述：保持寄存器相关的功能（读、连续读、写、连续写）
//入口参数：pucRegBuffer : 如果需要更新用户寄存器数值，这个缓冲区必须指向新的寄存器数值。
// 如果协议栈想知道当前的数值，回调函数必须将当前值写入这个缓冲区
// usAddress : 寄存器的起始地址。
// usNRegs : 寄存器数量
// eMode : 如果该参数为eMBRegisterMode::MB_REG_WRITE，用户的应用数值将从pucRegBuffer中得到更新。
// 如果该参数为eMBRegisterMode::MB_REG_READ，用户需要将当前的应用数据存储在pucRegBuffer中
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2010-10-31 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
/**
* Modbus slave holding register callback function.
*
* @param pucRegBuffer holding register buffer
* @param usAddress holding register address
* @param usNRegs holding register number
* @param eMode read or write
*
* @return result
*/
eMBErrorCode eMBRegHoldingCB(UCHAR * pucRegBuffer, USHORT usAddress,
USHORT usNRegs, eMBRegisterMode eMode)
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex;
@ -107,33 +108,34 @@ eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegi
USHORT REG_HOLDING_NREGS;
USHORT usRegHoldStart;
pusRegHoldingBuf = usSRegHoldBuf;
REG_HOLDING_START = S_REG_HOLDING_START;
REG_HOLDING_NREGS = S_REG_HOLDING_NREGS;
usRegHoldStart = usSRegHoldStart;
pusRegHoldingBuf = usSRegHoldBuf;
REG_HOLDING_START = S_REG_HOLDING_START;
REG_HOLDING_NREGS = S_REG_HOLDING_NREGS;
usRegHoldStart = usSRegHoldStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= REG_HOLDING_START ) &&
( usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= REG_HOLDING_START)
&& (usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS))
{
iRegIndex = usAddress - usRegHoldStart;
switch ( eMode )
switch (eMode)
{
/* Pass current register values to the protocol stack. */
/* read current register values from the protocol stack. */
case MB_REG_READ:
while( usNRegs > 0 )
while (usNRegs > 0)
{
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] >> 8 );
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] & 0xFF );
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] >> 8);
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] & 0xFF);
iRegIndex++;
usNRegs--;
}
break;
/* Update current register values with new values from the
* protocol stack. */
/* write current register values with new values from the protocol stack. */
case MB_REG_WRITE:
while( usNRegs > 0 )
while (usNRegs > 0)
{
pusRegHoldingBuf[iRegIndex] = *pucRegBuffer++ << 8;
pusRegHoldingBuf[iRegIndex] |= *pucRegBuffer++;
@ -149,70 +151,76 @@ eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegi
}
return eStatus;
}
//****************************线圈状态寄存器回调函数********************************
//函数定义: eMBErrorCode eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
//描 述：线圈状态寄存器相关的功能（读、连续读、写、连续写）
//入口参数：pucRegBuffer : 位组成一个字节，起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
// 如果回调函数要写这个缓冲区，没有用到的线圈（例如不是8个一组的线圈状态）对应的位的数值必须设置位0。
// usAddress : 第一个线圈地址。
// usNCoils : 请求的线圈个数
// eMode ；如果该参数为eMBRegisterMode::MB_REG_WRITE，用户的应用数值将从pucRegBuffer中得到更新。
// 如果该参数为eMBRegisterMode::MB_REG_READ，用户需要将当前的应用数据存储在pucRegBuffer中
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2010-10-31 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
/**
* Modbus slave coils callback function.
*
* @param pucRegBuffer coils buffer
* @param usAddress coils address
* @param usNCoils coils number
* @param eMode read or write
*
* @return result
*/
eMBErrorCode eMBRegCoilsCB(UCHAR * pucRegBuffer, USHORT usAddress,
USHORT usNCoils, eMBRegisterMode eMode)
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucCoilBuf;
USHORT COIL_START;
USHORT COIL_NCOILS;
USHORT usCoilStart;
iNReg = usNCoils / 8 + 1; //占用寄存器数量
UCHAR * pucCoilBuf;
USHORT COIL_START;
USHORT COIL_NCOILS;
USHORT usCoilStart;
iNReg = usNCoils / 8 + 1;
pucCoilBuf = ucSCoilBuf;
COIL_START = S_COIL_START;
COIL_NCOILS = S_COIL_NCOILS;
usCoilStart = usSCoilStart;
pucCoilBuf = ucSCoilBuf;
COIL_START = S_COIL_START;
COIL_NCOILS = S_COIL_NCOILS;
usCoilStart = usSCoilStart;
/* it already plus one in modbus function method. */
usAddress--;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= COIL_START ) &&
( usAddress + usNCoils <= COIL_START + COIL_NCOILS ) )
{
iRegIndex = ( int )( usAddress - usCoilStart ) / 8 ; //每个寄存器存8个
iRegBitIndex = ( int )( usAddress - usCoilStart ) % 8 ; //相对于寄存器内部的位地址
iRegIndex = (USHORT) (usAddress - usCoilStart) / 8;
iRegBitIndex = (USHORT) (usAddress - usCoilStart) % 8;
switch ( eMode )
{
/* Pass current coil values to the protocol stack. */
/* read current coil values from the protocol stack. */
case MB_REG_READ:
while( iNReg > 0 )
while (iNReg > 0)
{
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8);
iNReg --;
}
pucRegBuffer --;
usNCoils = usNCoils % 8; //余下的线圈数
*pucRegBuffer = *pucRegBuffer <<(8 - usNCoils); //高位补零
*pucRegBuffer = *pucRegBuffer >>(8 - usNCoils);
break;
/* Update current coil values with new values from the
* protocol stack. */
case MB_REG_WRITE:
while(iNReg > 1) //最后面余下来的数单独算
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8 , *pucRegBuffer++);
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++],
iRegBitIndex, 8);
iNReg--;
}
usNCoils = usNCoils % 8; //余下的线圈数
if (usNCoils != 0) //xMBUtilSetBits方法 在操作位数量为0时存在bug
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
*pucRegBuffer++);
}
break;
pucRegBuffer--;
/* last coils */
usNCoils = usNCoils % 8;
/* filling zero to high bit */
*pucRegBuffer = *pucRegBuffer << (8 - usNCoils);
*pucRegBuffer = *pucRegBuffer >> (8 - usNCoils);
break;
/* write current coil values with new values from the protocol stack. */
case MB_REG_WRITE:
while (iNReg > 1)
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, 8,
*pucRegBuffer++);
iNReg--;
}
/* last coils */
usNCoils = usNCoils % 8;
/* xMBUtilSetBits has bug when ucNBits is zero */
if (usNCoils != 0)
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
*pucRegBuffer++);
}
break;
}
}
else
@ -221,49 +229,52 @@ eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegis
}
return eStatus;
}
//****************************离散输入寄存器回调函数********************************
//函数定义: eMBErrorCode eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
//描 述：离散输入寄存器相关的功能（读、连续读）
//入口参数：pucRegBuffer : 用当前的线圈数据更新这个寄存器，起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
// 如果回调函数要写这个缓冲区，没有用到的线圈（例如不是8个一组的线圈状态）对应的位的数值必须设置为0。
// usAddress : 离散输入的起始地址
// usNDiscrete : 离散输入点数量
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2010-10-31 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
/**
* Modbus slave discrete callback function.
*
* @param pucRegBuffer discrete buffer
* @param usAddress discrete address
* @param usNDiscrete discrete number
*
* @return result
*/
eMBErrorCode eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucDiscreteInputBuf;
USHORT DISCRETE_INPUT_START;
USHORT DISCRETE_INPUT_NDISCRETES;
USHORT usDiscreteInputStart;
iNReg = usNDiscrete / 8 + 1; //占用寄存器数量
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucDiscreteInputBuf;
USHORT DISCRETE_INPUT_START;
USHORT DISCRETE_INPUT_NDISCRETES;
USHORT usDiscreteInputStart;
iNReg = usNDiscrete / 8 + 1;
pucDiscreteInputBuf = ucSDiscInBuf;
DISCRETE_INPUT_START = S_DISCRETE_INPUT_START;
DISCRETE_INPUT_NDISCRETES = S_DISCRETE_INPUT_NDISCRETES;
usDiscreteInputStart = usSDiscInStart;
pucDiscreteInputBuf = ucSDiscInBuf;
DISCRETE_INPUT_START = S_DISCRETE_INPUT_START;
DISCRETE_INPUT_NDISCRETES = S_DISCRETE_INPUT_NDISCRETES;
usDiscreteInputStart = usSDiscInStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= DISCRETE_INPUT_START )
&& ( usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= DISCRETE_INPUT_START)
&& (usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES))
{
iRegIndex = ( int )( usAddress - usDiscreteInputStart ) / 8 ; //每个寄存器存8个
iRegBitIndex = ( int )( usAddress - usDiscreteInputStart ) % 8 ; //相对于寄存器内部的位地址
iRegIndex = (USHORT) (usAddress - usDiscreteInputStart) / 8; //每个寄存器存8个
iRegBitIndex = (USHORT) (usAddress - usDiscreteInputStart) % 8; //相对于寄存器内部的位地址
while (iNReg > 0)
{
*pucRegBuffer++ = xMBUtilGetBits(&pucDiscreteInputBuf[iRegIndex++],
iRegBitIndex, 8);
iNReg--;
}
pucRegBuffer--;
usNDiscrete = usNDiscrete % 8; //余下的线圈数
*pucRegBuffer = *pucRegBuffer << (8 - usNDiscrete); //高位补零
*pucRegBuffer = *pucRegBuffer >>(8 - usNDiscrete);
while (iNReg > 0)
{
*pucRegBuffer++ = xMBUtilGetBits(&pucDiscreteInputBuf[iRegIndex++],
iRegBitIndex, 8);
iNReg--;
}
pucRegBuffer--;
/* last discrete */
usNDiscrete = usNDiscrete % 8;
/* filling zero to high bit */
*pucRegBuffer = *pucRegBuffer << (8 - usNDiscrete);
*pucRegBuffer = *pucRegBuffer >> (8 - usNDiscrete);
}
else
{

44
FreeModbus/port/user_mb_app.h
View File

@ -1,4 +1,4 @@
#ifndef USER_APP
#ifndef USER_APP
#define USER_APP
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
@ -16,19 +16,16 @@
#define S_REG_INPUT_NREGS 100
#define S_REG_HOLDING_START 0
#define S_REG_HOLDING_NREGS 100
//从机模式：在保持寄存器中，各个地址对应的功能定义
#define S_HD_RESERVE 0 //保留
#define S_HD_CPU_USAGE_MAJOR 1 //当前CPU利用率的整数位
#define S_HD_CPU_USAGE_MINOR 2 //当前CPU利用率的小数位
//从机模式：在输入寄存器中，各个地址对应的功能定义
#define S_IN_RESERVE 0 //保留
//从机模式：在线圈中，各个地址对应的功能定义
#define S_CO_RESERVE 2 //保留
//从机模式：在离散输入中，各个地址对应的功能定义
#define S_DI_RESERVE 1 //保留
/* salve mode: holding register's all address */
#define S_HD_RESERVE 0
#define S_HD_CPU_USAGE_MAJOR 1
#define S_HD_CPU_USAGE_MINOR 2
/* salve mode: input register's all address */
#define S_IN_RESERVE 0
/* salve mode: coil's all address */
#define S_CO_RESERVE 0
/* salve mode: discrete's all address */
#define S_DI_RESERVE 0
/* -----------------------Master Defines -------------------------------------*/
#define M_DISCRETE_INPUT_START 0
@ -39,16 +36,13 @@
#define M_REG_INPUT_NREGS 100
#define M_REG_HOLDING_START 0
#define M_REG_HOLDING_NREGS 100
//主机模式：在保持寄存器中，各个地址对应的功能定义
#define M_HD_RESERVE 0 //保留
//主机模式：在输入寄存器中，各个地址对应的功能定义
#define M_IN_RESERVE 0 //保留
//主机模式：在线圈中，各个地址对应的功能定义
#define M_CO_RESERVE 2 //保留
//主机模式：在离散输入中，各个地址对应的功能定义
#define M_DI_RESERVE 1 //保留
/* master mode: holding register's all address */
#define M_HD_RESERVE 0
/* master mode: input register's all address */
#define M_IN_RESERVE 0
/* master mode: coil's all address */
#define M_CO_RESERVE 0
/* master mode: discrete's all address */
#define M_DI_RESERVE 0
#endif

307
FreeModbus/port/user_mb_app_m.c
View File

@ -43,17 +43,16 @@ USHORT usMRegInBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_INPUT_NREGS];
USHORT usMRegHoldStart = M_REG_HOLDING_START;
USHORT usMRegHoldBuf[MB_MASTER_TOTAL_SLAVE_NUM][M_REG_HOLDING_NREGS];
//******************************输入寄存器回调函数**********************************
//函数定义: eMBErrorCode eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
//描 述：输入寄存器相关的功能（读、连续读）
//入口参数：pucRegBuffer : 回调函数将Modbus寄存器的当前值写入的缓冲区
// usAddress : 寄存器的起始地址，输入寄存器的地址范围是1-65535。
// usNRegs : 寄存器数量
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2013-11-25 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
/**
* Modbus master input register callback function.
*
* @param pucRegBuffer input register buffer
* @param usAddress input register address
* @param usNRegs input register number
*
* @return result
*/
eMBErrorCode eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex;
@ -62,20 +61,22 @@ eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
USHORT REG_INPUT_NREGS;
USHORT usRegInStart;
pusRegInputBuf = usMRegInBuf[ucMBMasterGetDestAddress() - 1];
REG_INPUT_START = M_REG_INPUT_START;
REG_INPUT_NREGS = M_REG_INPUT_NREGS;
usRegInStart = usMRegInStart;
pusRegInputBuf = usMRegInBuf[ucMBMasterGetDestAddress() - 1];
REG_INPUT_START = M_REG_INPUT_START;
REG_INPUT_NREGS = M_REG_INPUT_NREGS;
usRegInStart = usMRegInStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= REG_INPUT_START )
&& ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= REG_INPUT_START)
&& (usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS))
{
iRegIndex = usAddress - usRegInStart;
while( usNRegs > 0 )
while (usNRegs > 0)
{
pusRegInputBuf[iRegIndex] = *pucRegBuffer++ << 8;
pusRegInputBuf[iRegIndex] |= *pucRegBuffer++;
pusRegInputBuf[iRegIndex] = *pucRegBuffer++ << 8;
pusRegInputBuf[iRegIndex] |= *pucRegBuffer++;
iRegIndex++;
usNRegs--;
}
@ -87,20 +88,19 @@ eMBMasterRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
return eStatus;
}
//******************************保持寄存器回调函数**********************************
//函数定义: eMBErrorCode eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
//描 述：保持寄存器相关的功能（读、连续读、写、连续写）
//入口参数：pucRegBuffer : 如果需要更新用户寄存器数值，这个缓冲区必须指向新的寄存器数值。
// 如果协议栈想知道当前的数值，回调函数必须将当前值写入这个缓冲区
// usAddress : 寄存器的起始地址。
// usNRegs : 寄存器数量
// eMode : 如果该参数为eMBRegisterMode::MB_REG_WRITE，用户的应用数值将从pucRegBuffer中得到更新。
// 如果该参数为eMBRegisterMode::MB_REG_READ，用户需要将当前的应用数据存储在pucRegBuffer中
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2013-11-25 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
/**
* Modbus master holding register callback function.
*
* @param pucRegBuffer holding register buffer
* @param usAddress holding register address
* @param usNRegs holding register number
* @param eMode read or write
*
* @return result
*/
eMBErrorCode eMBMasterRegHoldingCB(UCHAR * pucRegBuffer, USHORT usAddress,
USHORT usNRegs, eMBRegisterMode eMode)
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex;
@ -109,35 +109,35 @@ eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, e
USHORT REG_HOLDING_NREGS;
USHORT usRegHoldStart;
pusRegHoldingBuf = usMRegHoldBuf[ucMBMasterGetDestAddress() - 1];
REG_HOLDING_START = M_REG_HOLDING_START;
REG_HOLDING_NREGS = M_REG_HOLDING_NREGS;
usRegHoldStart = usMRegHoldStart;
//If mode is read,the master will wirte the received date to bufffer.
eMode = MB_REG_WRITE;
pusRegHoldingBuf = usMRegHoldBuf[ucMBMasterGetDestAddress() - 1];
REG_HOLDING_START = M_REG_HOLDING_START;
REG_HOLDING_NREGS = M_REG_HOLDING_NREGS;
usRegHoldStart = usMRegHoldStart;
/* if mode is read, the master will write the received date to buffer. */
eMode = MB_REG_WRITE;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= REG_HOLDING_START ) &&
( usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= REG_HOLDING_START)
&& (usAddress + usNRegs <= REG_HOLDING_START + REG_HOLDING_NREGS))
{
iRegIndex = usAddress - usRegHoldStart;
switch ( eMode )
switch (eMode)
{
/* Pass current register values to the protocol stack. */
/* read current register values from the protocol stack. */
case MB_REG_READ:
while( usNRegs > 0 )
while (usNRegs > 0)
{
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] >> 8 );
*pucRegBuffer++ = ( unsigned char )( pusRegHoldingBuf[iRegIndex] & 0xFF );
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] >> 8);
*pucRegBuffer++ = (UCHAR) (pusRegHoldingBuf[iRegIndex] & 0xFF);
iRegIndex++;
usNRegs--;
}
break;
/* Update current register values with new values from the
* protocol stack. */
/* write current register values with new values from the protocol stack. */
case MB_REG_WRITE:
while( usNRegs > 0 )
while (usNRegs > 0)
{
pusRegHoldingBuf[iRegIndex] = *pucRegBuffer++ << 8;
pusRegHoldingBuf[iRegIndex] |= *pucRegBuffer++;
@ -153,72 +153,79 @@ eMBMasterRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, e
}
return eStatus;
}
//****************************线圈状态寄存器回调函数********************************
//函数定义: eMBErrorCode eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
//描 述：线圈状态寄存器相关的功能（读、连续读、写、连续写）
//入口参数：pucRegBuffer : 位组成一个字节，起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
// 如果回调函数要写这个缓冲区，没有用到的线圈（例如不是8个一组的线圈状态）对应的位的数值必须设置位0。
// usAddress : 第一个线圈地址。
// usNCoils : 请求的线圈个数
// eMode ；如果该参数为eMBRegisterMode::MB_REG_WRITE，用户的应用数值将从pucRegBuffer中得到更新。
// 如果该参数为eMBRegisterMode::MB_REG_READ，用户需要将当前的应用数据存储在pucRegBuffer中
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2013-11-25 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eMBRegisterMode eMode )
/**
* Modbus master coils callback function.
*
* @param pucRegBuffer coils buffer
* @param usAddress coils address
* @param usNCoils coils number
* @param eMode read or write
*
* @return result
*/
eMBErrorCode eMBMasterRegCoilsCB(UCHAR * pucRegBuffer, USHORT usAddress,
USHORT usNCoils, eMBRegisterMode eMode)
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucCoilBuf;
USHORT COIL_START;
USHORT COIL_NCOILS;
USHORT usCoilStart;
iNReg = usNCoils / 8 + 1; //占用寄存器数量
UCHAR * pucCoilBuf;
USHORT COIL_START;
USHORT COIL_NCOILS;
USHORT usCoilStart;
iNReg = usNCoils / 8 + 1;
pucCoilBuf = ucMCoilBuf[ucMBMasterGetDestAddress() - 1];
COIL_START = M_COIL_START;
COIL_NCOILS = M_COIL_NCOILS;
usCoilStart = usMCoilStart;
//If mode is read,the master will wirte the received date to bufffer.
eMode = MB_REG_WRITE;
pucCoilBuf = ucMCoilBuf[ucMBMasterGetDestAddress() - 1];
COIL_START = M_COIL_START;
COIL_NCOILS = M_COIL_NCOILS;
usCoilStart = usMCoilStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= COIL_START ) &&
( usAddress + usNCoils <= COIL_START + COIL_NCOILS ) )
/* if mode is read,the master will write the received date to buffer. */
eMode = MB_REG_WRITE;
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= COIL_START)
&& (usAddress + usNCoils <= COIL_START + COIL_NCOILS))
{
iRegIndex = ( int )( usAddress - usCoilStart ) / 8 ; //每个寄存器存8个
iRegBitIndex = ( int )( usAddress - usCoilStart ) % 8 ; //相对于寄存器内部的位地址
switch ( eMode )
iRegIndex = (USHORT) (usAddress - usCoilStart) / 8;
iRegBitIndex = (USHORT) (usAddress - usCoilStart) % 8;
switch (eMode)
{
/* Pass current coil values to the protocol stack. */
/* read current coil values from the protocol stack. */
case MB_REG_READ:
while( iNReg > 0 )
while (iNReg > 0)
{
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8);
iNReg --;
}
pucRegBuffer --;
usNCoils = usNCoils % 8; //余下的线圈数
*pucRegBuffer = *pucRegBuffer <<(8 - usNCoils); //高位补零
*pucRegBuffer = *pucRegBuffer >>(8 - usNCoils);
break;
/* Update current coil values with new values from the
* protocol stack. */
case MB_REG_WRITE:
while(iNReg > 1) //最后面余下来的数单独算
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++] , iRegBitIndex , 8 , *pucRegBuffer++);
*pucRegBuffer++ = xMBUtilGetBits(&pucCoilBuf[iRegIndex++],
iRegBitIndex, 8);
iNReg--;
}
usNCoils = usNCoils % 8; //余下的线圈数
if (usNCoils != 0) //xMBUtilSetBits方法 在操作位数量为0时存在bug
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
*pucRegBuffer++);
}
break;
pucRegBuffer--;
/* last coils */
usNCoils = usNCoils % 8;
/* filling zero to high bit */
*pucRegBuffer = *pucRegBuffer << (8 - usNCoils);
*pucRegBuffer = *pucRegBuffer >> (8 - usNCoils);
break;
/* write current coil values with new values from the protocol stack. */
case MB_REG_WRITE:
while (iNReg > 1)
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, 8,
*pucRegBuffer++);
iNReg--;
}
/* last coils */
usNCoils = usNCoils % 8;
/* xMBUtilSetBits has bug when ucNBits is zero */
if (usNCoils != 0)
{
xMBUtilSetBits(&pucCoilBuf[iRegIndex++], iRegBitIndex, usNCoils,
*pucRegBuffer++);
}
break;
}
}
else
@ -227,53 +234,55 @@ eMBMasterRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils, eM
}
return eStatus;
}
//****************************离散输入寄存器回调函数********************************
//函数定义: eMBErrorCode eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
//描 述：离散输入寄存器相关的功能（读、连续读）
//入口参数：pucRegBuffer : 用当前的线圈数据更新这个寄存器，起始寄存器对应的位处于该字节pucRegBuffer的最低位LSB。
// 如果回调函数要写这个缓冲区，没有用到的线圈（例如不是8个一组的线圈状态）对应的位的数值必须设置为0。
// usAddress : 离散输入的起始地址
// usNDiscrete : 离散输入点数量
//出口参数：eMBErrorCode : 这个函数将返回的错误码
//备 注：Editor：Armink 2013-11-25 Company: BXXJS
//**********************************************************************************
eMBErrorCode
eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
/**
* Modbus master discrete callback function.
*
* @param pucRegBuffer discrete buffer
* @param usAddress discrete address
* @param usNDiscrete discrete number
*
* @return result
*/
eMBErrorCode eMBMasterRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
{
eMBErrorCode eStatus = MB_ENOERR;
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucDiscreteInputBuf;
USHORT DISCRETE_INPUT_START;
USHORT DISCRETE_INPUT_NDISCRETES;
USHORT usDiscreteInputStart;
iNReg = usNDiscrete / 8 + 1; //占用寄存器数量
USHORT iRegIndex , iRegBitIndex , iNReg;
UCHAR * pucDiscreteInputBuf;
USHORT DISCRETE_INPUT_START;
USHORT DISCRETE_INPUT_NDISCRETES;
USHORT usDiscreteInputStart;
iNReg = usNDiscrete / 8 + 1;
pucDiscreteInputBuf = ucMDiscInBuf[ucMBMasterGetDestAddress() - 1];
DISCRETE_INPUT_START = M_DISCRETE_INPUT_START;
DISCRETE_INPUT_NDISCRETES = M_DISCRETE_INPUT_NDISCRETES;
usDiscreteInputStart = usMDiscInStart;
pucDiscreteInputBuf = ucMDiscInBuf[ucMBMasterGetDestAddress() - 1];
DISCRETE_INPUT_START = M_DISCRETE_INPUT_START;
DISCRETE_INPUT_NDISCRETES = M_DISCRETE_INPUT_NDISCRETES;
usDiscreteInputStart = usMDiscInStart;
usAddress--;//FreeModbus功能函数中已经加1，为保证与缓冲区首地址一致，故减1
if( ( usAddress >= DISCRETE_INPUT_START )
&& ( usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES ) )
/* it already plus one in modbus function method. */
usAddress--;
if ((usAddress >= DISCRETE_INPUT_START)
&& (usAddress + usNDiscrete <= DISCRETE_INPUT_START + DISCRETE_INPUT_NDISCRETES))
{
iRegIndex = ( int )( usAddress - usDiscreteInputStart ) / 8 ; //每个寄存器存8个
iRegBitIndex = ( int )( usAddress - usDiscreteInputStart ) % 8 ; //相对于寄存器内部的位地址
iRegIndex = (USHORT) (usAddress - usDiscreteInputStart) / 8;
iRegBitIndex = (USHORT) (usAddress - usDiscreteInputStart) % 8;
/* Update current coil values with new values from the
* protocol stack. */
while (iNReg > 1) //最后面余下来的数单独算
{
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex, 8,
*pucRegBuffer++);
iNReg--;
}
usNDiscrete = usNDiscrete % 8; //余下的线圈数
if (usNDiscrete != 0) //xMBUtilSetBits方法 在操作位数量为0时存在bug
{
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex,
usNDiscrete, *pucRegBuffer++);
}
/* write current discrete values with new values from the protocol stack. */
while (iNReg > 1)
{
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex, 8,
*pucRegBuffer++);
iNReg--;
}
/* last discrete */
usNDiscrete = usNDiscrete % 8;
/* xMBUtilSetBits has bug when ucNBits is zero */
if (usNDiscrete != 0)
{
xMBUtilSetBits(&pucDiscreteInputBuf[iRegIndex++], iRegBitIndex,
usNDiscrete, *pucRegBuffer++);
}
}
else
{