📄 se_modbus_1.c
字号:
unsigned char code displaynumber[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
//0 , 1, 2, 3, 4, 5, 6, 7, 8, 9
code 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};
/* CRC低位字节值表*/
code 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};
uchar idata databuf[20];
uchar idata modbuf[30];
void initial_uart(void);
void write_fmrom(uchar address,uint OneByte);
uint read_fmrom(uchar address);
ulong read_ulong(uchar address);
//CRC简单函数如下：
unsigned short CRC16(puchMsg, usDataLen)
unsigned char *puchMsg ; /* 要进行CRC校验的消息 */
unsigned short usDataLen ; /* 消息中字节数 */
{
//unsigned char uchCRCHi=0xFF ; /* 高CRC字节初始化 */
//unsigned char uchCRCLo=0xFF ; /* 低CRC 字节初始化 */
unsigned uIndex ; /* CRC循环中的索引 */
uchCRCHi=0xFF;
uchCRCLo=0xFF;
while (usDataLen--) /* 传输消息缓冲区 */
{
uIndex=uchCRCHi^*puchMsg++;//*puchMsg++; /* 计算CRC */
uchCRCHi=uchCRCLo^auchCRCHi[uIndex];
uchCRCLo=auchCRCLo[uIndex] ;
}
return (uchCRCHi << 8 | uchCRCLo) ;
}
void Msentpro(char mod_len)
{
unsigned char data mlabel,mnum;
mod_led=1;
mnum=mod_len-2;
CRC16(modbuf,mod_len-2);
mlabel=0;
do{
SBUF=modbuf[mlabel];
while(TI==0);
TI=0;
mnum--;
mlabel++;
}while(mnum>0);
SBUF=uchCRCHi;
while(TI==0);
TI=0;
SBUF=uchCRCLo;
while(TI==0);
TI=0;
mod_led=0;
REN=1;
}
void modbuspro(void){
uchar idata modlength,cmdh,cmdL,cmnh,cmnL; //cmdh,cmdl 寄存器地址 cmnh,cmnl寄存器数量
unsigned char idata tempbuf[26];
unsigned char data *dpoint;
uint temp1=0x0000;
cmdh=modbuf[2];
cmdL=modbuf[3];
cmnh=modbuf[4];
cmnL=modbuf[5];
tempbuf[0]=0x00;
tempbuf[1]=0x00;
tempbuf[1]=b_point+(b_mode<<2)+((b_status_bit==high)?0x10:0x00)+(b_panel<<5)+((o3_initial_bit==high)?0x80:0x00);
tempbuf[0]=a_point+(a_mode<<2)+((a_status_bit==high)?0x10:0x00)+(a_panel<<5)+((o2_initial_bit==high)?0x80:0x00);
tempbuf[2]=(ak_pulse&0xff000000)>>24; //a脉冲数值
tempbuf[3]=(ak_pulse&0x00ff0000)>>16;
tempbuf[4]=(ak_pulse&0x0000ff00)>>8 ;
tempbuf[5]=ak_pulse&0x000000ff;
tempbuf[6]=(bk_pulse&0xff000000)>>24; //b脉冲数值
tempbuf[7]=(bk_pulse&0x00ff0000)>>16;
tempbuf[8]=(bk_pulse&0x0000ff00)>>8;
tempbuf[9]=(bk_pulse&0x000000ff);
tempbuf[10]=(a_set_pulse&0xff000000)>>24; //a设置的脉冲数
tempbuf[11]=(a_set_pulse&0x00ff0000)>>16;
tempbuf[12]=(a_set_pulse&0x0000ff00)>>8;
tempbuf[13]=a_set_pulse&0x000000ff;
tempbuf[14]=(b_set_pulse&0xff000000)>>24; //b设置的脉冲数
tempbuf[15]=(b_set_pulse&0x00ff0000)>>16;
tempbuf[16]=(b_set_pulse&0x0000ff00)>>8;
tempbuf[17]=b_set_pulse&0x000000ff;
tempbuf[18]=a_k>>8; //a脉冲的K系数
tempbuf[19]=a_k;
tempbuf[20]=b_k>>8;//b脉冲的K系数
tempbuf[21]=b_k;
temp1=read_fmrom(o2_time_addr); //o2继电器的延时时间（单位：0.1s）
tempbuf[22]=temp1>>8;
tempbuf[23]=temp1;
temp1=read_fmrom(o3_time_addr); //o3继电器的延时时间（单位：0.1s）
tempbuf[24]=temp1>>8;
tempbuf[25]=temp1;
//////////////////////////////////////////////////////////////////////
CRC16(modbuf,6);
if((uchCRCHi==modbuf[6])&&(uchCRCLo==modbuf[7]))
{
if(modbuf[1]==0x03) // 读
{
if((cmnh==0)&&(cmnL<22))
{
if((cmdh==0)&&(cmdL<22)&&(cmnL>0)) //寄存器只能0~21
{
if((cmnL+cmdL)<22)
{
cmnh=cmnL<<1; //字=字节*2
modbuf[2]=cmnh; //cmnh 字节数
modlength=cmnh+5; //所有回送数据的长度：地址+命令+长度+crc高+crc低
cmdh=3; //0：地址、1：03、2：字节数、3：数据部分
//cmnL=0;
dpoint=tempbuf+(cmdL<<1);
//**************************
do{
modbuf[cmdh]=*dpoint++;
cmdh++;
// modbuf[cmdh]=*dpoint++;
// cmdh++;
cmnh--;
}while(cmnh>0);
//************************************
Msentpro(modlength); //回送的数据格式：地址、03、字节数、数据段、crc高、crc低
}
}
}
}
//////////////////////////////////////////////////////////////////////
if(modbuf[1]==0x06)
{ //写入
if((cmdh==0)&&(cmdL<17))
{
modlength=8;
temp1=cmnh*256+cmnL;
switch(cmdL)
{
case 0:
write_fmrom(a_set_pulse_addr+1,temp1); //a设置的脉冲的高8位
a_set_pulse=read_ulong(a_set_pulse_addr);
break;
case 1:write_fmrom(a_set_pulse_addr,temp1); //a设置的脉冲的低8位
a_set_pulse=read_ulong(a_set_pulse_addr);
break;
case 2:write_fmrom(b_set_pulse_addr+1,temp1); //b设置的脉冲的高8位
b_set_pulse=read_ulong(b_set_pulse_addr);
break;
case 3:write_fmrom(b_set_pulse_addr,temp1); //b设置的脉冲的低8位
b_set_pulse=read_ulong(b_set_pulse_addr);
break;
case 4:write_fmrom(a_k_addr,temp1); //a脉冲的k系数
a_k=read_fmrom(a_k_addr);
break;
case 5:write_fmrom(b_k_addr,temp1); //b脉冲的k系数
b_k=read_fmrom(b_k_addr);
break;
case 6:write_fmrom(a_point_addr,temp1); //a脉冲小数点的位置
a_point=read_fmrom(a_point_addr);
break;
case 7:write_fmrom(b_point_addr,temp1);
b_point=read_fmrom(b_point_addr);
break;
case 8:write_fmrom(o2_time_addr,temp1);
o2_time=read_fmrom(o2_time_addr);
break;
case 9:write_fmrom(o3_time_addr,temp1);
o3_time=read_fmrom(o3_time_addr);
break;
case 10:if(temp1>2)
break;
write_fmrom(a_mode_addr,temp1);
a_mode=read_fmrom(a_mode_addr);
break;
case 11:if(temp1>2)
break;
write_fmrom(b_mode_addr,temp1);
b_mode=read_fmrom(b_mode_addr);
break;
case 12:write_fmrom(a_status_addr,temp1);
a_status_bit=(uchar)read_fmrom(a_status_addr);
break;
case 13:write_fmrom(b_status_addr,temp1);
b_status_bit=(uchar)read_fmrom(b_status_addr);
break;
case 14:if(temp1>3)
break;
write_fmrom(a_panel_addr,temp1);
a_panel=read_fmrom(a_panel_addr);
break;
case 15:if(temp1>3)
break;
write_fmrom(b_panel_addr,temp1);
b_panel=read_fmrom(b_panel_addr);
break;
default:break;
}
/* dd1=cmnh*256+cmnL;
write(cmdL+5,dd1);
dd1=read(cmdL+5);
modbuf[4]=dd1/256;
modbuf[5]=dd1%256;*/
Msentpro(modlength);
}
}
}
REN=1;
mod_ok=0;
mod_led=0;
modn=0;
}
//--------------------------------------------------
//
//-------------------------------------------------
void ssio(void) interrupt 4
{
if(RI==1){
RI=0;
switch(modn)
{
case 0:{
if(SBUF==address){modn=0;modbuf[modn]=SBUF;modn++;}
break;
}
case 1:{
if((SBUF==0x03)||(SBUF==0x06))
{
modbuf[modn]=SBUF;
modn++;
}
else{modn=0;}
break;
}
case 7:{
modbuf[modn]=SBUF;
modn++;
REN=0;
mod_led=1;
mod_ok=1;
break;
}
default:{
modbuf[modn]=SBUF;
modn++;
break;
}
}
}
}⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -