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[Add] Modbus通信库+参数定义

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通过直接修改结构体参数的地址去修改具体的变量，结构体把所有定义的参数作为一个整体管理；ModbusRTU目前支持03，06和0A功能码。
This commit is contained in:
JingweiCui 2025-01-09 18:05:09 +08:00
parent 1406209cd8
commit ff5c5db787
10 changed files with 737 additions and 1 deletions
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58
br_com_service.c Normal file
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#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "br_com_service.h"
#include "br_modbus.h"
uint8_t payload[PAYLOAD_MAX_LEN] = {0};
BrComStatus_t br_com_process(uint8_t * pucRecvBuffer, uint16_t usRecvBufferLen, uint8_t * pucSendBuffer, uint16_t * pusSendBufferLen)
{
BrComStatus_t status = BRCOMSTATUS_ERR;
uint8_t header[2] = {0};
uint16_t dataLen = 0;
uint8_t recvDataLen, resDataLen = 0;
uint8_t modbusResBuffer[256] = {0};
/* 提取HEADER */
header[0] = pucRecvBuffer[0];
header[1] = pucRecvBuffer[1];
if( header[0] != 0xAA && header[1] != 0xAA)
{
status = BRCOMSTATUS_HEADR_ERR;
return status;
}
dataLen = ((uint16_t)pucRecvBuffer[2] << 8) + pucRecvBuffer[3];
recvDataLen = dataLen & 0x00FF;
/* 提取长度 */
if( dataLen > 255 )
{
status = BRCOMSTATUS_LEN_ERR;
return status;
}
else
{
/* 提取内容 */
memcpy(payload, pucRecvBuffer + 4, PAYLOAD_MAX_LEN);
if(modbus_process(pucRecvBuffer, recvDataLen, modbusResBuffer, &resDataLen) == MODBUS_STATUS_OK)
{
pucSendBuffer[0] = 0xFF;
pucSendBuffer[1] = 0xFF;
pucSendBuffer[3] = 0x00;
pucSendBuffer[4] = resDataLen;
memcpy(pucSendBuffer + 4, modbusResBuffer, resDataLen);
/* modbus协议处理 */
status = BRCOMSTATUS_OK;
return status;
}
}
return status;
}

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#ifndef _BR_COM_SERVICE_H
#define _BR_COM_SERVICE_H
#define PAYLOAD_MAX_LEN (256u)
typedef enum {
BRCOMSTATUS_OK,
BRCOMSTATUS_HEADR_ERR,
BRCOMSTATUS_LEN_ERR,
BRCOMSTATUS_ERR
} BrComStatus_t;
BrComStatus_t br_com_process(uint8_t * pucRecvBuffer, uint16_t usRecvBufferLen, uint8_t * pucSendBuffer, uint16_t * pusSendBufferLen);
#endif

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#include "br_dataset_def.h"
/* 参数定义 */
BR_Dataset0_t br_dataset0 = {0};

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#ifndef _BR_PARAMS_DEF_H
#define _BR_PARAMS_DEF_H
#include <stdint.h>
#define aenc_con_SEG_NUM (10u)
#define TF_LEN (200u)
#define SPEAKER_ERR_NUM (4u)
#define MIC_NUM (4u)
#define BLOCK_SIZE (32u)
typedef struct {
float TachoOfAmp[aenc_con_SEG_NUM];
float VarAmp[aenc_con_SEG_NUM];
float TachoOfStep[aenc_con_SEG_NUM];
float VarStepDelta[aenc_con_SEG_NUM];
float VarDelta[aenc_con_SEG_NUM];
float TachoOfLeaky[aenc_con_SEG_NUM];
float VarLeaky[aenc_con_SEG_NUM];
float TachoOfErrWei[aenc_con_SEG_NUM];
float VarErrWei[aenc_con_SEG_NUM];
}ENCLMSDebugParams_t;
/* param dataset struct's size must be less than 65536 */
typedef struct {
ENCLMSDebugParams_t ENCLMSDebugParams[3];
/* control order flag. */
uint32_t orderOne;
uint32_t orderTwo;
uint32_t orderThree;
/* input and output amplifier */
uint32_t inputAmp;
uint32_t outputAmp;
/* control and calibration flag */
uint32_t encConFlag;
uint32_t encCalFlag;
uint32_t disableAllSignal;
/* tf data */
float transfers[SPEAKER_ERR_NUM][MIC_NUM][TF_LEN];
float outputCheck[SPEAKER_ERR_NUM][BLOCK_SIZE];
float InputCheck[MIC_NUM][BLOCK_SIZE];
} BR_Dataset0_t;
extern BR_Dataset0_t br_dataset0;
#endif

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#include <stdio.h>
#include <string.h>
#include "br_modbus.h"
#include <stdint.h>
#include "br_modbus_reg.h"
uint8_t * prv_rx_buffer;
static uint8_t BrMdBufferRes[256];
uint8_t BrMdBufferCmd[256] = {0};
uint8_t modbus_SlaveID = SLAVE_ID_DEFAULT;
uint8_t * modbus_FrameBuff;
uint8_t modbus_FrameCnt;
// Private function prototype.
void modbus_03_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen);
void modbus_06_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen);
void modbus_0A_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen);
uint8_t modbus_extract_slaveid(void);
uint8_t modbus_extract_funcode(void);
uint16_t modbus_extract_startAddr(void);
uint8_t modbus_extract_size(void);
uint16_t modbus_extract_crc(uint8_t mFunCode);
uint16_t modbus_extract_06_val(void);
uint16_t modbus_extract_0a_val(uint8_t idx);
void modbus_FrameClearBuff(void);
uint8_t modbus_FrameLoadByte(uint8_t aByte);
uint8_t modbus_FrameLoadWord(uint16_t aWord);
uint8_t modbus_extract_slaveid(void);
uint8_t modbus_extract_funcode(void);
/* --------------------------------------------------------------- */
uint16_t modbus_extract_0a_bytenum(void);
uint16_t modbus_Retrieve16Value(uint8_t index);
static uint16_t modbus_crc16_v3( const unsigned char *buf, unsigned int len )
{
static const uint16_t table[256] = {
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 };
uint8_t xor = 0;
uint16_t crc = 0xFFFF;
while(len--)
{
xor = (*buf++) ^ crc;
crc >>= 8;
crc ^= table[xor];
}
return crc;
}
// process modbus frame
ModbusStatus_t modbus_process(const uint8_t * buffer_cmd, uint8_t recv_len, uint8_t * buffer_resp, uint8_t * resp_len)
{
uint8_t funCode;
uint8_t slaveId;
ModbusStatus_t status = MODBUS_STATUS_OK;
memcpy(BrMdBufferCmd, buffer_cmd, recv_len);
/* 提取slaveid */
slaveId = modbus_extract_slaveid();
/* 判断ID是否接受 */
/* 提取funCode */
funCode = modbus_extract_funcode();
switch(funCode)
{
case 3:
modbus_03_solver(slaveId, buffer_resp, resp_len);
break;
case 6:
modbus_06_solver(slaveId, buffer_resp, resp_len);
break;
case 0x10:
modbus_0A_solver(slaveId, buffer_resp, resp_len);
}
return MODBUS_STATUS_OK;
}
uint8_t modbus_extract_slaveid(void)
{
return BrMdBufferCmd[0];
}
uint8_t modbus_extract_funcode(void)
{
return BrMdBufferCmd[MODBUS_FUN_CODE];
}
uint16_t modbus_extract_startAddr(void)
{
return ((uint16_t)BrMdBufferCmd[MODBUS_START_ADDR_H]<<8) +
BrMdBufferCmd[MODBUS_START_ADDR_L];
}
uint8_t modbus_extract_size(void)
{
return ((uint16_t)BrMdBufferCmd[MODBUS_SIZE_H]<<8) +
BrMdBufferCmd[MODBUS_SIZE_L];
}
uint16_t modbus_extract_crc(uint8_t mFunCode)
{
uint16_t crcRecv = 0;
uint16_t size = 0;
if( mFunCode == 3U || mFunCode == 6U ) {
crcRecv = (((uint16_t) BrMdBufferCmd[7] ) << 8) +
BrMdBufferCmd[6];
}
if( mFunCode == 0x10)
{
size = modbus_extract_size();
crcRecv = (((uint16_t) BrMdBufferCmd[8 + size * 2] ) << 8) +
BrMdBufferCmd[7 + size * 2] ;
}
return crcRecv;
}
void modbus_03_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen)
{
uint16_t startAddr, size;
volatile uint16_t crcReceived,crcCalculate;
uint8_t i;
ModbusRegRwData_t rw_data;
// get start reg address
startAddr = modbus_extract_startAddr();
size = modbus_extract_size();
// get crc
crcReceived = modbus_extract_crc(3);
// calculate crc
crcCalculate = modbus_crc16_v3(BrMdBufferCmd, 6);
if(crcCalculate == crcReceived)
{
rw_data.slaveId = slaveId;
rw_data.num = size;
rw_data.operation = RW_OPERATION_READ;
rw_data.startAddr = startAddr;
if(modbus_reg_proxy(&rw_data) != 0)
{
/* 返回错误码 */
printf("modbus_reg_proxy err!\n");
}
// clear frame buffer
modbus_FrameClearBuff();
// load adrress
modbus_FrameLoadByte(modbus_SlaveID);
// load fun code
modbus_FrameLoadByte(3u);
modbus_FrameLoadByte(size * 2);
for(i = 0; i < size; i++)
{
modbus_FrameLoadWord(rw_data.registers[i]);
}
// crcCalculate = HAL_CRC_Calculate(&hcrc, (uint32_t *)&modbus_FrameBuff, modbus_FrameCnt);
crcCalculate = modbus_crc16_v3(BrMdBufferRes, modbus_FrameCnt);
modbus_FrameLoadByte(crcCalculate & 0x00FF);
modbus_FrameLoadByte((crcCalculate & 0xFF00) >> 8);
*resLen = modbus_FrameCnt;
memcpy(resBuffer, BrMdBufferRes, *resLen);
}
}
void modbus_06_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen)
{
uint16_t startAddr, val, crcCal, crcRecv;
ModbusRegRwData_t rw_data;
startAddr = modbus_extract_startAddr();
crcCal = modbus_crc16_v3(BrMdBufferCmd, 6);
crcRecv = modbus_extract_crc(6);
if( crcCal == crcRecv ) {
val = modbus_extract_06_val();
rw_data.slaveId = slaveId;
rw_data.num = 1;
rw_data.operation = RW_OPERATION_WRITE;
rw_data.startAddr = startAddr;
rw_data.registers[0] = val;
if(modbus_reg_proxy(&rw_data) != 0)
{
/* 返回错误码 */
// printf("modbus_reg_proxy err!\n");
;
}
modbus_FrameClearBuff();
modbus_FrameLoadByte(modbus_SlaveID);
modbus_FrameLoadByte(6U);
modbus_FrameLoadWord(startAddr);
modbus_FrameLoadWord(val);
modbus_FrameLoadWord(crcCal>>8 | crcCal << 8);
*resLen = modbus_FrameCnt;
memcpy(resBuffer, BrMdBufferRes, *resLen);
}
else
{
/* 校验码错误处理 */
}
}
void modbus_0A_solver(uint8_t slaveId, uint8_t * resBuffer, uint8_t * resLen)
{
uint16_t address, byte_num, val, crcCal, crcRecv, size;
uint8_t idx = 0;
ModbusRegRwData_t rw_data = {0};
address = modbus_extract_startAddr();
byte_num = modbus_extract_0a_bytenum();
size = modbus_extract_size();
crcCal = modbus_crc16_v3(BrMdBufferCmd, 7 + byte_num);
crcRecv = modbus_extract_crc(0x10);
if( crcCal == crcRecv ) {
rw_data.slaveId = slaveId;
rw_data.num = size;
rw_data.operation = RW_OPERATION_WRITE;
rw_data.startAddr = address;
rw_data.registers[0] = val;
for(idx=0; idx<size; idx++)
{
val = modbus_extract_0a_val(idx);
rw_data.registers[idx] = val;
}
if(modbus_reg_proxy(&rw_data) != 0)
{
/* 返回错误码 */
// printf("modbus_reg_proxy err!\n");
;
}
/* ----------------------------------------- */
modbus_FrameClearBuff();
modbus_FrameLoadByte(modbus_SlaveID);
modbus_FrameLoadByte(0x10u);
modbus_FrameLoadWord(address);
modbus_FrameLoadWord(size);
crcCal = modbus_crc16_v3(BrMdBufferRes, modbus_FrameCnt);
modbus_FrameLoadWord(crcCal>>8 | crcCal << 8);
*resLen = modbus_FrameCnt;
memcpy(resBuffer, BrMdBufferRes, *resLen);
}
else
{
/* 校验码错误处理 */
}
}
uint16_t modbus_extract_0a_bytenum(void)
{
return BrMdBufferCmd[6];
}
uint16_t modbus_extract_0a_val(uint8_t idx)
{
return ((uint16_t)BrMdBufferCmd[7 + idx*2]<<8) +
BrMdBufferCmd[8 + idx*2];
}
uint16_t modbus_extract_06_val(void)
{
return ((uint16_t)BrMdBufferCmd[MODBUS_06_VAL_H]<<8) +
BrMdBufferCmd[MODBUS_06_VAL_L];
}
uint8_t modbus_RetrieveSlaveID(void)
{
return prv_rx_buffer[MODBUS_SLAVE_ID];
}
void modbus_FrameClearBuff(void){
modbus_FrameCnt = 0;
}
uint8_t modbus_FrameLoadByte(uint8_t aByte)
{
uint8_t status;
if(modbus_FrameCnt == 255) {
status = 1;
}
else {
BrMdBufferRes[modbus_FrameCnt] = aByte;
modbus_FrameCnt++;
status = 0;
}
return status;
}
uint8_t modbus_FrameLoadWord(uint16_t aWord)
{
uint8_t status;
if(modbus_FrameCnt == 254)
{
status = 1;
}
else
{
BrMdBufferRes[modbus_FrameCnt] = (uint8_t)((aWord&0xFF00)>>8);
modbus_FrameCnt++;
BrMdBufferRes[modbus_FrameCnt] = (uint8_t)(aWord&0x00FF);
modbus_FrameCnt++;
status = 0;
}
return status;
}

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#ifndef _MODBUS_H
#define _MODBUS_H
#include <stdint.h>
#define SLAVE_ID_DEFAULT (1u)
#define MODBUS_SLAVE_ID 0
#define MODBUS_FUN_CODE 1
#define MODBUS_START_ADDR_H 2
#define MODBUS_START_ADDR_L 3
#define MODBUS_SIZE_H 4
#define MODBUS_SIZE_L 5
#define MODBUS_06_VAL_H 4
#define MODBUS_06_VAL_L 5
typedef enum {
MODBUS_STATUS_OK,
MODBUS_STATUS_ERR
} ModbusStatus_t;
ModbusStatus_t modbus_process(const uint8_t * buffer_cmd, uint8_t recv_len, uint8_t * buffer_resp, uint8_t * resp_len);
typedef struct {
uint8_t slaveAddr;
uint8_t funCode;
uint16_t startAddr;
uint16_t num;
uint16_t crc;
} ModbusFrameCmd03_t;
typedef struct {
uint8_t slaveAddr;
uint8_t funCode;
uint8_t byteNum;
uint16_t data[125];
uint16_t crc;
} ModbusFrameRes03_t;
/* 06功能码命令和响应格式一样 */
typedef struct {
uint8_t slaveAddr;
uint8_t funCode;
uint16_t regAddr;
uint16_t regValue;
uint16_t crc;
} ModbusFrameCmdRes06_t;
typedef struct {
} ModbusFrameCmd0A_t;
typedef struct {
} ModbusFrameRes0A_t;
#endif

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#include <stdio.h>
#include "br_modbus_reg.h"
#include "br_dataset_def.h"
ModbusRegDataBlock_t DataBlocks[MODBUS_REG_BLOCK_NUM] = {
{
.block_id = 1,
.address = (uint32_t)(&br_dataset0),
.size = sizeof(BR_Dataset0_t)
}
};
/* private funtion prototype. */
uint8_t modbus_reg_write_process(uint8_t slave, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer);
uint8_t modbus_reg_read_process(uint8_t slave, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer);
uint8_t modbus_reg_blockdata_set(ModbusRegDataBlock_t *datablock, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer);
uint8_t modbus_reg_blockdata_get(ModbusRegDataBlock_t *datablock, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer);
/* public functoin definition. */
uint8_t modbus_reg_proxy(ModbusRegRwData_t * rw_data)
{
switch (rw_data->operation)
{
case RW_OPERATION_READ:
/* code */
modbus_reg_read_process(rw_data->slaveId, rw_data->startAddr, rw_data->num, rw_data->registers);
break;
case RW_OPERATION_WRITE:
modbus_reg_write_process(rw_data->slaveId, rw_data->startAddr, rw_data->num, rw_data->registers);
break;
default:
break;
}
}
uint8_t modbus_reg_write_process(uint8_t slaveId, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer)
{
uint8_t status = -1;
/* 在此实现数据写入逻辑 */
uint8_t blockIndex;
for(blockIndex=0; blockIndex<MODBUS_REG_BLOCK_NUM; blockIndex++)
{
if(DataBlocks[blockIndex].block_id == slaveId)
{
modbus_reg_blockdata_set(DataBlocks+blockIndex, startAddr, num, dataBuffer);
status = 0;
}
}
return status;
}
uint8_t modbus_reg_read_process(uint8_t slaveId, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer)
{
/* 在此实现数据读取逻辑 */
uint8_t status = -1;
/* 在此实现数据写入逻辑 */
uint8_t blockIndex;
for(blockIndex=0; blockIndex<MODBUS_REG_BLOCK_NUM; blockIndex++)
{
if(DataBlocks[blockIndex].block_id == slaveId)
{
modbus_reg_blockdata_get(DataBlocks+blockIndex, startAddr, num, dataBuffer);
status = 0;
}
}
return status;
}
uint8_t modbus_reg_blockdata_get(ModbusRegDataBlock_t *datablock, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer)
{
uint8_t i = 0;
uint8_t status = 1;
/* 操作地址范围超出datablock大小 */
if((startAddr+num)*2 > datablock->size) /* (startAddr+num)*2 每个寄存器数据长度为2字节对应两个内存地址 */
{
}
else
{
for(i=0; i<num; i++)
{
*(dataBuffer+i) = *((uint16_t*) startAddr + (i*2));
}
status = 0; /* return 0表示没有异常发生 */
}
return status;
}
uint8_t modbus_reg_blockdata_set(ModbusRegDataBlock_t *datablock, uint16_t startAddr, uint8_t num, uint16_t * dataBuffer)
{
uint8_t i = 0;
uint8_t status = 1;
/* 操作地址范围超出的datablock大小 */
if((startAddr+num)*2 > datablock->size) /* (startAddr+num)*2 每个寄存器数据长度为2字节对应两个内存地址 */
{
}
else
{
for(i=0; i<num; i++)
{
*((uint16_t*) ( (uint32_t)datablock->address + (startAddr + i)*2 ) ) = *(dataBuffer + i);
}
status = 0; /* return 0表示没有异常发生 */
}
return status;
}

36
br_modbus_reg.h Normal file
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#ifndef _MODBUS_REG_H
#define _MODBUS_REG_H
#include <stdint.h>
#define MODBUS_REG_DEFAULT_VAL 0xFFFFFFFF
#define RW_REGISTERS_MAXNUM 125
#define MODBUS_REG_BLOCK_NUM 1
typedef struct {
uint8_t block_id;
uint32_t address;
uint16_t size;
} ModbusRegDataBlock_t;
typedef enum {
RW_OPERATION_READ,
RW_OPERATION_WRITE
} ModbusRegOp_t;
typedef struct {
uint8_t slaveId; /* 从机地址 */
ModbusRegOp_t operation; /* 操作类型 */
uint16_t startAddr; /* 起始地址 */
uint8_t num; /* 寄存器个数 */
uint16_t registers[RW_REGISTERS_MAXNUM]; /* 寄存器数据 */
}ModbusRegRwData_t;
/* public funtion prototype. */
uint8_t modbus_reg_proxy(ModbusRegRwData_t * rw_data);
#endif

13
main.c
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@ -1,6 +1,17 @@
#include <stdio.h> #include <stdio.h>
#include "br_dataset_def.h"
#define BUFFER_LEN (1000u)
uint8_t buffer_recv[BUFFER_LEN] = {0};
uint8_t buffer_send[BUFFER_LEN] = {0};
uint8_t test_data = {0x01, 0x03, 0x00, 0x00, 0x00, 0x0A, 0xC5, 0xCD};
int main() int main()
{ {
printf("Hello World!\n"); BR_Dataset0_t param_test = {0};
printf("Hello World!\n %d", sizeof(BR_Dataset0_t));
} }

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output/main.exe Normal file
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