📄 send.c~
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#include <mega8.h>
#include <stdio.h>
#include "bit_op.h"
#include "delay.h"
extern void beep(char);
void Recv_process(void);
void Send_IdCode(void);
void Get_My_Informat(void);
void Set_My_Id(void);
void Get_My_Id(void);
void Check_First_Set1(void);
char CheckBCC(void);
void DoBCC(unsigned char *str, unsigned char len );
void Send_Error_Public(unsigned char ErrorCode);
void CheckShorCommand(void);
void CheckLongCommand(void);
extern char data_buf[6];
char re_len;
char Recv_buf[16];
char Send_buf[18];
char BCC_HI;
char BCC_LOW;
extern char eeprom *ptrto_eeprom;
//==================================
// 'F' 命令 46
//将接收到的UID码上 （data_buf[0]-data_buf[3]）
//==================================
void Send_IdCode(void)
{
unsigned char temp_high,temp_low,i,j;
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
Send_buf[4] ='0';
Send_buf[5] ='0';
Send_buf[6] ='0';
Send_buf[7] ='0';
for(i=0,j=0; i<3; i++)
{
temp_high = data_buf[i+2]>>4;
temp_low = data_buf[i+2]&0x0f;
if(temp_high>0x09) Send_buf[8+j] = temp_high + 0x37;
else Send_buf[8+j] = temp_high + 0x30;
j++;
if(temp_low>0x09) Send_buf[8+j] = temp_low + 0x37;
else Send_buf[8+j] = temp_low + 0x30;
j++;
}
DoBCC(&Send_buf[0],14);
Send_buf[14] = BCC_HI;
Send_buf[15] = BCC_LOW;
Send_buf[16] = 0x0D;
delay_ms(5);
for(i=0;i<17;i++) putchar(Send_buf[i]);
}
//==================================
// 'B' 命令 42
// 读取模块出厂序列号
//==================================
void Get_My_Informat(void)
{
char i;
ptrto_eeprom=ID_ADDR;
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
Send_buf[4] = *ptrto_eeprom++;
Send_buf[5] = *ptrto_eeprom++;
Send_buf[6] = *ptrto_eeprom++;
Send_buf[7] = *ptrto_eeprom++;
Send_buf[8] = *ptrto_eeprom++;
Send_buf[9] = *ptrto_eeprom++;
Send_buf[10]= *ptrto_eeprom++;
Send_buf[11]= *ptrto_eeprom;
DoBCC(&Send_buf[0],12);
Send_buf[12] = BCC_HI;
Send_buf[13] = BCC_LOW;
Send_buf[14] = 0x0D;
delay_ms(5);
for(i=0;i<15;i++) putchar(Send_buf[i]);
}
//==================================
// 'C' 命令 43
// 设定模块ID号
//==================================
void Set_My_Id(void)
{
char i;
char MY_ID;
if('0' < Recv_buf[2] < '9')
{
ptrto_eeprom=ID_ADDR;
for(i=0;i<8;i++)
{
if(*ptrto_eeprom++ != Recv_buf[4+i])break;
}
if(i==8)
{
MY_ID=Recv_buf[12]-'0';
ptrto_eeprom=MY_ADDR;
*ptrto_eeprom=MY_ID;
ptrto_eeprom=MY_ADDR_C; //备份
*ptrto_eeprom=MY_ID;
delay_ms(5);
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
DoBCC(&Send_buf[0],4);
Send_buf[4] = BCC_HI;
Send_buf[5] = BCC_LOW;
Send_buf[6] = 0x0D;
//beep(1);
delay_ms(5);
for(i=0;i<7;i++)putchar(Send_buf[i]);
}
else
{
Send_Error_Public(1);
}
}
else Send_Error_Public(2);
}
//==================================
// 'D' 命令 44
// 读取模块地址编号
//==================================
void Get_My_Id(void)
{
char i;
char my_id,my_id1;
ptrto_eeprom=ID_ADDR;
for(i=0;i<8;i++){if(*ptrto_eeprom++ != Recv_buf[4+i])break;}
ptrto_eeprom=MY_ADDR;
my_id=*ptrto_eeprom;
my_id1 = *ptrto_eeprom;
if(my_id!=my_id1)
{
my_id=*ptrto_eeprom;
}
if(i==8)
{
delay_ms(20);
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
Send_buf[4] = my_id + '0';
delay_ms(5);
DoBCC(&Send_buf[0],5);
Send_buf[5] = BCC_HI;
Send_buf[6] = BCC_LOW;
Send_buf[7] = 0x0D;
//beep(2);
delay_ms(5);
for(i=0;i<8;i++) putchar(Send_buf[i]);
}
else
{
Send_Error_Public(2);
}
}
//==================================
// 'Z' 命令
// 目前还不知道此命令干什么用
//==================================
void Check_First_Set1(void)
{
unsigned char i;
ptrto_eeprom=ID_ADDR;
for(i=0;i<8;i++) *ptrto_eeprom++=Recv_buf[4+i];
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
DoBCC(&Send_buf[0],4);
Send_buf[4] = BCC_HI;
Send_buf[5] = BCC_LOW;
Send_buf[6] = 0x0D;
delay_ms(5);
for(i=0;i<7;i++) putchar(Send_buf[i]);
}
char CheckBCC(void)
{
unsigned char len,i,BCC,BCCH,BCCL;
BCC = 0;
len = re_len - 3;
for(i=0; i<=len; i++) BCC=BCC^Recv_buf[i];
BCCH = (BCC>>4)+ 0X30;
BCCL = (BCC & 0X0F) +0X30;
if(BCCH>0X39) BCCH +=0X07;
if(BCCL>0X39) BCCL +=0X07;
if(BCCH==Recv_buf[len+1] && BCCL==Recv_buf[len+2]) return 1;
else return 0;
}
void DoBCC(unsigned char *str, unsigned char len )
{
unsigned char i,BCC;
BCC = 0;
for(i =0; i<len; i++) BCC = BCC^ (*(str+i));
BCC_HI = (BCC>>4)+ 0X30;
BCC_LOW = (BCC & 0X0F) +0X30;
if(BCC_HI > 0x39) BCC_HI +=0X07;
if(BCC_LOW > 0x39) BCC_LOW +=0X07;
}
void Send_Error_Public(unsigned char ErrorCode)
{
char i;
Send_buf[0] = 0x0a;
Send_buf[1] = Recv_buf[1];
Send_buf[2] = Recv_buf[2];
Send_buf[3] = Recv_buf[3];
Send_buf[4] = 0x0e;
Send_buf[5] = ErrorCode;
DoBCC(&Send_buf[0],6);
Send_buf[6] = BCC_HI;
Send_buf[7] = BCC_LOW;
Send_buf[8] = 0x0D;
delay_ms(5);
for(i=0;i<9;i++) putchar(Send_buf[i]);
delay_ms(20);
}
void CheckShorCommand(void)
{
char my_id;
ptrto_eeprom=MY_ADDR;
my_id=*ptrto_eeprom;
if(Recv_buf[0]==0x09 && Recv_buf[1]=='H' /*&& Recv_buf[2] == (my_id +'0')*/)
{
UCSRB=0x48;
delay_us(5);
set(PORTD,4);
if(CheckBCC())
{
switch(Recv_buf[3])
{
case 'B':
Get_My_Informat();
break;
case 'F':
Send_IdCode();
break;
default:
Send_Error_Public(1);
break;
}
delay_ms(20);
UCSRB=0xD8;
clr(PORTD,4);
}
else
{
Send_Error_Public(1);
delay_ms(10);
}
UCSRB=0xD8;
clr(PORTD,4);
}
}
void CheckLongCommand(void)
{
if(Recv_buf[0]==0x09 && (Recv_buf[1]=='H' || Recv_buf[1]=='A'))
{
UCSRB=0x48;
set(PORTD,4);
if(CheckBCC())
{
switch(Recv_buf[3])
{
case 'C':
Set_My_Id();
break;
case 'D':
Get_My_Id();
break;
case 'Z':
Check_First_Set1();
break;
default:
Send_Error_Public(1);
delay_ms(10);
break;
}
delay_ms(10);
UCSRB=0xD8;
clr(PORTD,4);
}
else
{
Send_Error_Public(1);
delay_ms(10);
}
UCSRB=0xD8;
clr(PORTD,4);
}
}
void Recv_process(void)
{
switch(re_len)
{
case 0x06:
case 0x07:
CheckShorCommand();
break;
case 0x0E:
case 0x0F:
CheckLongCommand();
break;
default:
break;
}
re_len = 0;
} ⌨️ 快捷键说明
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