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zigbee.c
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/*随时查询模块当前的工作状态*/
/*FRAM中开辟00000~0001f 存储32字节的指令（查询指令 之前的控制指令）
查询指令格式为 53 52 44 44 FF 44 FF 00 00 00 00 00 44 FF 45（15字节）；
查询到的之前的控制指令的内容为 53 52 …… FF 45（15字节）+ 0x22（17个）+C M D ；
*/
#if defined(__dsPIC33F__)
#include <p33Fxxxx.h>
#elif defined(__PIC24H__)
#include <p24hxxxx.h>
#endif
#include "timer.h"
#include "adc.h"
#include "sci.h"
#include "IC.h"
#include "DS1302.h"
#include "FRAM.h"
_FBS(0xCF);
_FSS(0xCF);
_FGS(0x07);
_FOSCSEL(0xA2); //Select HS without PLL
_FOSC(0x46); // HS oscilator, OSC2 is clock output
_FWDT(0x5F);
_FPOR(0xE7);
_FICD(0xC3);
#define CEA LATGbits.LATG0
#define CEB LATGbits.LATG1
#define CEC LATFbits.LATF1
#define CED LATFbits.LATF0
#define CEE LATDbits.LATD7
#define CEF LATDbits.LATD2
#define RESET LATGbits.LATG15 //RESET 用来复位zigbee的路由/终端
//#define WORK_LED LATDbits.LATD1
#define BAT_LED1 LATBbits.LATB14
#define BAT_LED2 LATBbits.LATB13
#define BAT_LED3 LATBbits.LATB12
unsigned int freq[6];
//unsigned int temp_freq[6];
//float freq_float;
unsigned int temp[6];//存储各采集通道的温度AD值
unsigned int bat; //电池电量AD值
//unsigned int dummy;
short bat_high, bat_mid, bat_low; // 计数器，用于对电池电压进行滤波
//int CE_Enable; // 1->允许激频 0->禁止激频
int Read_Enable; // 1->拾频完成，可以读取 0->禁止读取
int Tick; // 用来记录定时中断次数
short halt; // 用来控制采样时间间隔
unsigned int halt_Tick; // 用来记录时间，该时间为两次发送之间的时间间隔
unsigned int halt_Timeout; // 两次发送之间的间隔，单位为ms，可通过上位机设置
unsigned char Send_Enable; // 用来指示是否可以发送数据，上电开始时不发送数据，收到ZigBee芯片发送的'n'字符后才允许发送
unsigned char Save_Enable; // 用来表示是否向FRAM中存数据
unsigned char Tran_Enable; // 用来表示是否将FRAM中的数据读出
unsigned char halt_Enable; // 休眠
unsigned char ID = 5; // 板号*****************************************************************************
unsigned char stat1;
unsigned char net_state;//用来指示 组网成功后，向zigbee传送10组35字节的数据
unsigned char lq[32];//存放从FRAM中读取的指令内容
//unsigned int end_addr[2]; // 存储结束地址，存储于FRAM 0，1，2地址处
//unsigned char temp_addr[3];
unsigned int curr_addr[2];
unsigned int read_count;//用来记录从FRAM中读取的数据包个数，每包32字节数据，打包后为35字节
//unsigned int read_count; //用来记录从FRAM种读取的字符个数，用来鉴别数据头，并进行数据填充
void inc_addr(void); // 将curr_addr加1
void Tran_Data_U1(void); // 向上位机传输数据
void Tran_Data_U2(void);// 向小助手传输数据
void read_command_15_U1(void); //读取存在FRAM中的15字节的指令
void read_command_15_U2(void); //读取存在FRAM中的15字节的指令
void DELAY(unsigned int t)
{
unsigned int i,j;
for(i=0;i<50;i++)
{
for(j=0;j<t;j++)
{
asm("nop");
}
}
}//600~9ms
void __attribute__((interrupt,no_auto_psv)) _T6Interrupt(void) // 1ms interrupt
{
IFS2bits.T6IF = 0;
if(halt_Enable == 0)
{
if(halt)
{
if(halt_Tick<halt_Timeout)//（在线or离线模式下）控制采集时间间隔
halt_Tick++;
else
{ StopTimer6();
halt = 0;
}
}
else
{
Tick++;
// if(Tick>59) // 60ms
if(Tick>19)
{ Tick = 0;
Read_Enable = 1; //保证在这段时间内，拾频捕捉结束
}
}//用于控制 拾频时间
}
}//
/*u1 串口中断，用于接收上位机发来的控制指令*/
void __attribute__((interrupt,no_auto_psv)) _U1RXInterrupt(void)
{
unsigned char data[15];
unsigned int UART_Timeout = 0;
unsigned char i = 0;
unsigned char j = 0;
data[0] = U1RXREG;
if('R'==data[0]) // 采集模块接收到路由/终端发来的网络丢失信号后，对路由/终端进行复位
{
RESET = 0;
DELAY(9000); //135ms
DELAY(9000);
DELAY(9000);
DELAY(9000);
RESET = 1;
DELAY(9000);
DELAY(9000);
DELAY(9000);
DELAY(9000);
RESET = 0;
DELAY(9000);
DELAY(9000);
DELAY(9000);
DELAY(9000);
RESET = 1;
}
if('n'==data[0]) // 调试用，发送n才开始激频
{
net_state = 1;
for(j=0;j<32;j++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[j] = READ(0,0,j);
}
//lq 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 …… 30 31
// S R E 22 22 22 22
//在线 S R FF FF FF 00 FF FF FF FF FF FF FF FF E
//离线 S R 00 FF FF 00 FF FF FF FF FF FF FF FF E
//休眠 S R 55 FF FF 00 FF FF FF FF FF FF 00 FF E
//网络建立成功后，采集模块自动检测上次工作状态，若之前为在线状态，则继续以在线状态工作
if((lq[0]=='S')&&(lq[1]=='R')&&(lq[14]=='E')&&(lq[31]==0x22))
{
if((lq[2]==0xFF)&&(lq[5]==0x00)&&(lq[12]==0xff)) // 在线模式
{
Send_Enable = 1;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 0;
}
}
}//if('n'==data[0])
else//接收到串口发来的15字节的指令，其格式为S …… E
{
switch(data[0])
{
case 'S':
while(data[i]!='E')
{
i++;
while((0==(U1STA&0x0001))&&(UART_Timeout<5000))
{UART_Timeout++;}
if(UART_Timeout>=5000)
{
data[i]='E'; // 如果接收超时，退出中断
}
else
{
data[i] = U1RXREG;
}
UART_Timeout = 0;
}
break;
default:
break;
}
if(i==14)
{
//data 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
// S R E
//在线 S R FF FF FF 00 FF FF FF FF FF FF FF FF E
//离线 S R 00 FF FF 00 FF FF FF FF FF FF FF FF E
//休眠 S R 55 FF FF 00 FF FF FF FF FF FF 00 FF E
//回读 S R 55 FF FF FF FF FF FF FF FF FF FF FF E
//查询 S R 44 44 FF 44 FF FF FF FF FF FF 44 FF E
if((data[2]==0xff)&&(data[5]==0x00)&&(data[12]==0xff)) // 在线模式
{
Send_Enable = 1;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 0;
}
if((data[2]==0x00)&&(data[5]==0x00)&&(data[12]==0xff)) // 离线模式
{ net_state = 0;//通过指令设置离线状态时，不向zigbee发送10组35字节的数据
Send_Enable = 0;
Save_Enable = 1;
Tran_Enable = 0;
halt_Enable = 0;
curr_addr[0] = 0;
curr_addr[1] = 32;
}
if((data[2]==0x55)&&(data[5]==0x00)&&(data[12]==0x00)) //休眠
{ net_state = 0;//通过指令设置休眠状态时，不向zigbee发送10组35字节的数据
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 1;
}
if(data[4]!=0xff) //(在线or离线模式下)设置采样间隔
//即：可在设置在线状态的同时设置采样间隔（同一条指令内）
//即：可在设置离线状态的同时设置采样间隔（同一条指令内）
{
halt_Timeout = data[4]*500;
}
if(data[5]==0xff) //回读FRAM值
{
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 1;
halt_Enable = 0;
}
if(data[6]!=0xff) //校准实时时钟
{
ds1302_write_time(6,data[6]);
ds1302_write_time(4,data[7]);
ds1302_write_time(3,data[8]);
ds1302_write_time(2,data[9]);
ds1302_write_time(1,data[10]);
ds1302_write_time(0,data[11]);
}
for(j=0;j<32;j++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[j] = READ(0,0,j);
}
//写15字节的指令,余位补0x22 ，存在00000~0001f ,共32字节
//格式为 15字节指令+17个0x22
if(((data[2]==0xff)&&(data[5]==0x00)&&(data[12]==0xff))||((data[2]==0x00)&&(data[5]==0x00)&&(data[12]==0xff))||((data[2]==0x55)&&(data[5]==0x00)&&(data[12]==0x00)))
//只有工作状态设置指令才存储 （在线or离线or休眠）
{
for(j=0;j<15;j++)
{
WRITE(0,0,j,(unsigned char)data[j]); //data[0]~data[14] ——15字节 指令内容
}
WRITE(0,0,15,ID);
for(j=16;j<32;j++)
{
WRITE(0,0,j,0x22); // ——0x22
}
U1TXREG = 'S';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = ID;
while((U1STA&0x0100)==0x0000){asm("nop");}
for(j=0;j<29;j++)
{
U1TXREG = 0xff;
while((U1STA&0x0100)==0x0000){asm("nop");}
}
U1TXREG = data[2];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = data[5];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = data[12];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");} //接收到15字节指令后，产生应答指令，
//其格式为 S ID 0xff……0xff XX XX XX A ，35字节
}
else
{
U1TXREG = 'S';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = ID;
while((U1STA&0x0100)==0x0000){asm("nop");}
for(j=0;j<29;j++)
{
U1TXREG = 0xff;
while((U1STA&0x0100)==0x0000){asm("nop");}
}
U1TXREG = lq[2];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[5];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[12];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");} //接收到15字节指令后，产生应答指令，
//其格式为 S ID 0xff……0xff XX XX XX A ，35字节
DELAY(6000);
}
if((data[3]==0x44)&&(data[2]==0x44)&&(data[5]==0x44)&&(data[12]==0x44)) //查询工作状态
{
read_command_15_U1();
}
}//if(i==14)
}
IFS0bits.U1RXIF = 0;
return;
}//
/*u2 串口中断，用于接收小助手发来的控制指令*/
void __attribute__((interrupt,no_auto_psv)) _U2RXInterrupt(void)
{
unsigned char data[15];
unsigned int UART_Timeout = 0;
unsigned char i = 0;
unsigned char j = 0;
data[0] = U2RXREG;
if('n'==data[0]) // 调试用，发送n才开始激频
{
net_state = 1;
for(j=0;j<32;j++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[j] = READ(0,0,j);
}
//lq 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 …… 30 31
// S R E 22 22 22 22
//在线 S R FF FF FF 00 FF FF FF FF FF FF FF FF E
//离线 S R 00 FF FF 00 FF FF FF FF FF FF FF FF E
//休眠 S R 55 FF FF 00 FF FF FF FF FF FF 00 FF E
//网络建立成功后，采集模块自动检测上次工作状态，若之前为在线状态，则继续以在线状态工作
if((lq[0]=='S')&&(lq[1]=='R')&&(lq[14]=='E')&&(lq[31]==0x22))
{
if((lq[2]==0xFF)&&(lq[5]==0x00)&&(lq[12]==0xff)) // 在线模式
{
Send_Enable = 1;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 0;
}
}
}//if('n'==data[0])
else//接收到串口发来的15字节的指令，其格式为S …… E
{
switch(data[0])
{
case 'S':
while(data[i]!='E')
{
i++;
while((0==(U2STA&0x0001))&&(UART_Timeout<5000))
{UART_Timeout++;}
if(UART_Timeout>=5000)
{
data[i]='E'; // 如果接收超时，退出中断
}
else
{
data[i] = U2RXREG;
}
UART_Timeout = 0;
}
break;
default:
break;
}
if(i==14)
{
for(j=0;j<32;j++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[j] = READ(0,0,j);
}
U2TXREG = 'S';
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = ID;
while((U2STA&0x0100)==0x0000){asm("nop");}
for(j=0;j<29;j++)
{
U2TXREG = 0xff;
while((U2STA&0x0100)==0x0000){asm("nop");}
}
U2TXREG = lq[2];
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = lq[5];
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = lq[12];
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = 'A';
while((U2STA&0x0100)==0x0000){asm("nop");} //接收到15字节指令后，产生应答指令，
//其格式为 S ID 0xff……0xff xx xx xx A ，35字节
DELAY(6000);
//data 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
// S R E
//在线 S R FF FF FF 00 FF FF FF FF FF FF FF FF E
//离线 S R 00 FF FF 00 FF FF FF FF FF FF FF FF E
//休眠 S R 55 FF FF 00 FF FF FF FF FF FF 00 FF E
//回读 S R 55 FF FF FF FF FF FF FF FF FF FF FF E
//查询 S R 44 44 FF 44 FF FF FF FF FF FF 44 FF E
if((data[2]==0xff)&&(data[5]==0x00)&&(data[12]==0xff)) // 在线模式
{
Send_Enable = 1;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 0;
}
if((data[2]==0x00)&&(data[5]==0x00)&&(data[12]==0xff)) // 离线模式
{ net_state = 0;//通过指令设置离线状态时，不向zigbee发送10组35字节的数据
Send_Enable = 0;
Save_Enable = 1;
Tran_Enable = 0;
halt_Enable = 0;
curr_addr[0] = 0;
curr_addr[1] = 32;
}
if((data[2]==0x55)&&(data[5]==0x00)&&(data[12]==0x00)) //休眠
{ net_state = 0;//通过指令设置休眠状态时，不向zigbee发送10组35字节的数据
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 1;
}
if(data[4]!=0xff) //(在线or离线模式下)设置采样间隔
//即：可在设置在线状态的同时设置采样间隔（同一条指令内）
//即：可在设置离线状态的同时设置采样间隔（同一条指令内）
{
halt_Timeout = data[4]*500;
}
if(data[5]==0xff) //回读FRAM值
{
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 1;
halt_Enable = 0;
}
if(data[6]!=0xff) //校准实时时钟
{
ds1302_write_time(6,data[6]);
ds1302_write_time(4,data[7]);
ds1302_write_time(3,data[8]);
ds1302_write_time(2,data[9]);
ds1302_write_time(1,data[10]);
ds1302_write_time(0,data[11]);
}
if((data[3]==0x44)&&(data[2]==0x44)&&(data[5]==0x44)&&(data[12]==0x44)) //查询工作状态
{
read_command_15_U2();
}
//写15字节的指令,余位补0x22 ，存在00000~0001f ,共32字节
//格式为 15字节指令+17个0x22
if(((data[2]==0xff)&&(data[5]==0x00)&&(data[12]==0xff))||((data[2]==0x00)&&(data[5]==0x00)&&(data[12]==0xff))||((data[2]==0x55)&&(data[5]==0x00)&&(data[12]==0x00)))
//只有工作状态设置指令才存储 （在线or离线or休眠）
{
for(j=0;j<15;j++)
{
WRITE(0,0,j,(unsigned char)data[j]); //data[0]~data[14] ——15字节 指令内容
}
WRITE(0,0,15,ID);
for(j=16;j<32;j++)
{
WRITE(0,0,j,0x22); // ——0x22
}
}
}//if(i==14)
}
IFS1bits.U2RXIF = 0;
return;
}//
int main()
{
int i,k,j,n;
unsigned char year,month,day,hh,mm,ss;
Read_Enable = 0;
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 1;
bat_high = 0;
bat_mid = 0;
bat_low = 0;
Tick = 0; //T6 中断次数，定时1ms中断
net_state = 0;
halt_Timeout = 1000; //(在线or离线状态下)默认采样时间间隔为1000*1ms = 1s
OSCCON = 0x2200;
TRISGbits.TRISG1 = 0;
TRISGbits.TRISG0 = 0;
TRISFbits.TRISF1 = 0;
TRISFbits.TRISF0 = 0;
TRISDbits.TRISD7 = 0;
TRISDbits.TRISD2 = 0;
TRISGbits.TRISG15 = 0; //RESET
RESET = 1;
TRISDbits.TRISD8 = 1;
TRISDbits.TRISD10 = 1;
TRISDbits.TRISD11 = 1;
TRISDbits.TRISD4 = 1;
TRISDbits.TRISD5 = 1;
TRISBbits.TRISB5 = 1;
TRISBbits.TRISB12 = 0;
TRISBbits.TRISB13 = 0;
TRISBbits.TRISB14 = 0;
TRISGbits.TRISG13 = 0;
TRISGbits.TRISG14 = 0;
AD1PCFGLbits.PCFG5 = 1;
TRISGbits.TRISG13 = 0;
TRISBbits.TRISB15 = 1;
TRISBbits.TRISB9 = 1;
TRISBbits.TRISB1 = 1;
TRISCbits.TRISC1 = 1;
TRISBbits.TRISB3 = 1;
TRISCbits.TRISC2 = 1;
TRISBbits.TRISB0 = 1;
InitTimer6(); // Timer6 提供1ms中断定时
InitTimer2(); // Timer2 提供输入捕捉时钟基准
InitIC();
InitADC();
InitSPI();
ds1302_init();
InitSCI();
/*采集模块重启后，先获取之前的工作状态
若之前处于离线状态，则重启后继续保持离线状态
若之前处于休眠状态，则重启后继续保持休眠状态
若之前处于在线状态，且重启后网络未建立，则保持休眠状态
*/
for(j=0;j<32;j++)
{
lq[j] = READ(0,0,j);
}
if((lq[2]==0x00)&&(lq[5]==0x00)&&(lq[12]==0xff)) // 离线模式
{
Send_Enable = 0;
Save_Enable = 1;
Tran_Enable = 0;
halt_Enable = 0;
curr_addr[0] = 0;
curr_addr[1] = 32; //一开始向FRAM中存放采集数据从地址 0x00020 开始
}
if((lq[2]==0x55)&&(lq[5]==0x00)&&(lq[12]==0x00)) //休眠
{
Send_Enable = 0;
Save_Enable = 0;
Tran_Enable = 0;
halt_Enable = 1;
}
while(1)
{
if(Send_Enable) //在线，通过zigbee向上位机传送采集数据
//格式为 S ID CHx 频率高八位 低八位 温度高八位 低八位…… 电量高八位 低八位 E ，共35字节
{
if(net_state==1)//组网成功，向zigbee发送10组35字节的数据
{
for(i=0;i<32;i++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[i] = READ(0,0,i);
}
for(j=0;j<10;j++)
{
U1TXREG = 'S';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = ID;
while((U1STA&0x0100)==0x0000){asm("nop");}
for(i=0;i<28;i++)
{
U1TXREG = 0;
while((U1STA&0x0100)==0x0000){asm("nop");}
}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[2];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[5];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[12];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");}
DELAY(10000);
} //10条虚拟指令
net_state=0;
}
i = 1000;
while(i>=200)
{
for(k=0;k<3;k++)
{
j = i;
CEB = 1; //RG1输出为高
CEA = 1;
CEC = 1;
CED = 1;
CEE = 1;
CEF = 1;
while(j)
{
asm("nop");
asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
j--;
}
j = i;
CEB = 0; //RG1输出为低
CEA = 0;
CEC = 0;
CED = 0;
CEE = 0;
CEF = 0;
while(j)
{
asm("nop");
asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
j--;
}
}
i = i-10;
}
DELAY(800); // 600~9ms
StartTimer6();
StartTimer2();
StartIC();
while(!Read_Enable) {asm("nop");}
Read_Enable = 0;
freq[0] = GetPeriod(1);
freq[1] = GetPeriod(2);
freq[2] = GetPeriod(3);
freq[3] = GetPeriod(4);
freq[4] = GetPeriod(5);
freq[5] = GetPeriod(6);
StopIC();
StopTimer6();
AD1CHS0bits.CH0SA = 15;
AD1CON1bits.ADON = 1; // Turn on the A/D converter
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
bat = ADC1BUF0;
AD1CON1bits.ADON = 0;
if(bat>1489) // >4.0V
{
bat_high++; bat_mid=0; bat_low=0;
}
else
if((bat<=1489)&&(bat>1199))
{
bat_high=0; bat_mid++;bat_low=0;
}
else //<1199
{
bat_high=0; bat_mid=0;bat_low++;
}//
if(bat_high>=10)
{
bat_high=0;
BAT_LED1 = 0;BAT_LED2 = 0;BAT_LED3 = 0;
}
else
if(bat_mid>=10)
{
bat_mid=0;
BAT_LED1 = 1;BAT_LED2 = 0;BAT_LED3 = 0;
}
else
if(bat_low>=10)
{
bat_low=0;
BAT_LED1 = 1;BAT_LED2 = 1;BAT_LED3 = 0;
}//
/*将6个通道的传感器热敏电阻返回的电压量进行AD转化，并存在于temp[]中 */
AD1CHS0bits.CH0SA = 9; //AN9
AD1CON1bits.ADON = 1; // Turn on the A/D converter
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1; //ADC采样使能位
//1: ADC采样/保持放大器正在采样
//0: ADC 采样/保持放大器保持采样结果
while(!AD1CON1bits.DONE){}; //ADC 转换状态位
//1 = ADC 转换完成
//0 = ADC 转换尚未开始或在进行中
temp[0] = ADC1BUF0; //每次A/D 转换的结果存储在ADCxBUF0寄存器中
//ADC 模块包含一个单字只读双端口寄存器（ADCxBUF0）
AD1CON1bits.ADON = 0;//ADC 工作模式位
//1 = ADC 模块正在工作
//0 = ADC 关闭
AD1CHS0bits.CH0SA = 1;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[1] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 16;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[2] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 3;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[3] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 17;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[4] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 0;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[5] = ADC1BUF0;
AD1CON1bits.ADON = 0;
//将采集数据通过zigbee发送给上位机
U1TXREG = 'S';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = ID;
while((U1STA&0x0100)==0x0000){asm("nop");}
for(n=0;n<6;n++)
{
U1TXREG = n;
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = (unsigned char)((freq[n]&0xff00)>>8);
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = (unsigned char)(freq[n]&0x00ff);
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = (unsigned char)((temp[n]&0xff00)>>8);
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = (unsigned char)(temp[n]&0x00ff);
while((U1STA&0x0100)==0x0000){asm("nop");}
}
U1TXREG = (unsigned int)((bat&0xff00)>>8);
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = (unsigned int)(bat&0x00ff);
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = 'E';
while((U1STA&0x0100)==0x0000){asm("nop");}
/*
//将采集数据通过uart2发送给小助手显示
U2TXREG = 'S';
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = ID;
while((U2STA&0x0100)==0x0000){asm("nop");}
for(n=0;n<6;n++)
{
U2TXREG = n+1;
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = (unsigned char)((freq[n]&0xff00)>>8);
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = (unsigned char)(freq[n]&0x00ff);
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = (unsigned char)((temp[n]&0xff00)>>8);
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = (unsigned char)(temp[n]&0x00ff);
while((U2STA&0x0100)==0x0000){asm("nop");}
}
U2TXREG = (unsigned int)((bat&0xff00)>>8);
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = (unsigned int)(bat&0x00ff);
while((U2STA&0x0100)==0x0000){asm("nop");}
U2TXREG = 'E';
while((U2STA&0x0100)==0x0000){asm("nop");}
*/
//（在线or离线模式下）控制采集时间间隔
halt = 1;
halt_Tick = 0;
StartTimer6();
while(halt){asm("NOP");}
}//if(Send_Enable)
if(Save_Enable) //离线，向FRAM中保存数据
//保存的数据格式为 S 年 月 日 时 分 秒 频率高八位 低八位 温度高八位 低八位…… E ，32字节
{
if(net_state==1)//组网成功，向zigbee发送10组35字节的数据
{
for(i=0;i<32;i++) //读取FRAM中存储的指令，格式为15字节指令+17个0x22，共32字节
{
lq[i] = READ(0,0,i);
}
for(j=0;j<10;j++)
{
U1TXREG = 'S';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = ID;
while((U1STA&0x0100)==0x0000){asm("nop");}
for(i=0;i<28;i++)
{
U1TXREG = 0;
while((U1STA&0x0100)==0x0000){asm("nop");}
}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[2];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[5];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = lq[12];
while((U1STA&0x0100)==0x0000){asm("nop");}
U1TXREG = 'A';
while((U1STA&0x0100)==0x0000){asm("nop");}
DELAY(10000);
} //10条虚拟指令
net_state=0;
}
i = 1000;
while(i>=200)
{
for(k=0;k<3;k++)
{
j = i;
CEB = 1; //RG1输出为高
CEA = 1;
CEC = 1;
CED = 1;
CEE = 1;
CEF = 1;
while(j)
{
asm("nop");
asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
j--;
}
j = i;
CEB = 0; //RG1输出为低
CEA = 0;
CEC = 0;
CED = 0;
CEE = 0;
CEF = 0;
while(j)
{
asm("nop");
asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
j--;
}
}
i = i-10;
}
DELAY(800); // 600~9ms
StartTimer6();
StartTimer2();
StartIC();
while(!Read_Enable) {asm("nop");}
Read_Enable = 0;
freq[0] = GetPeriod(1);
freq[1] = GetPeriod(2);
freq[2] = GetPeriod(3);
freq[3] = GetPeriod(4);
freq[4] = GetPeriod(5);
freq[5] = GetPeriod(6);
StopIC();
StopTimer6();
AD1CHS0bits.CH0SA = 15;
AD1CON1bits.ADON = 1; // Turn on the A/D converter
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
bat = ADC1BUF0;
AD1CON1bits.ADON = 0;
if(bat>1489) // >4.0V
{
bat_high++; bat_mid=0; bat_low=0;
}
else
if((bat<=1489)&&(bat>1199))
{
bat_high=0; bat_mid++;bat_low=0;
}
else //<1199
{
bat_high=0; bat_mid=0;bat_low++;
}//
if(bat_high>=10)
{
bat_high=0;
BAT_LED1 = 0;BAT_LED2 = 0;BAT_LED3 = 0;
}
else
if(bat_mid>=10)
{
bat_mid=0;
BAT_LED1 = 1;BAT_LED2 = 0;BAT_LED3 = 0;
}
else
if(bat_low>=10)
{
bat_low=0;
BAT_LED1 = 1;BAT_LED2 = 1;BAT_LED3 = 0;
}//
//将6个通道的传感器热敏电阻返回的电压量进行AD转化，并存在于temp[]中
AD1CHS0bits.CH0SA = 9;
AD1CON1bits.ADON = 1; // Turn on the A/D converter
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[0] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 1;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[1] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 16;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[2] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 3;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");
AD1CON1bits.SAMP = 1;
while(!AD1CON1bits.DONE){};
temp[3] = ADC1BUF0;
AD1CON1bits.ADON = 0;
AD1CHS0bits.CH0SA = 17;
AD1CON1bits.ADON = 1;
asm("nop");asm("nop");asm("nop");asm("nop");