📄 znjh.c
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//dlmsed(1);
delay_ms(1);
//要不要
tmwbyte(0xcc,flag); //发送0xcc
tmwbyte(0x48,flag); //读高速暂存存储器,第0页
tmwbyte(0x00,flag);
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1);
tmwbyte(0xcc,flag); //发送温度转换命令
tmwbyte(0x44,flag);
delay_ms(20); //增加复位前延时.2004.4.21
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1); //原来延时已1ms,是否时间太短，资料说应延时温度转换命令及电压转换命令发出后，
//主机需等待10～20ms，以使DS2438完成温度及电压转换；同时，若采用寄生电源供电，
//应将总线拉高，以保证充足的能量供应。
tmwbyte(0xcc,flag); //发送电压转换命令
tmwbyte(0xb4,flag);
delay_ms(20); //增加复位前延时.2004.4.21
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//delay_ms(4000); //add
//dlmsed(1);
delay_ms(1);
//要不要?
tmwbyte(0xcc,flag); //发送恢复存储器
tmwbyte(0xb8,flag);
tmwbyte(0x00,flag);
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1);
tmwbyte(0xcc,flag); //发送读高速暂存存储器,第0页
tmwbyte(0xbe,flag);
tmwbyte(0x00,flag);
p1[i]=tmrbyte(flag); //接收五字节数据，第一字节丢弃，读(状态/配置寄存器,温度低位寄存器,
// 湿度高位寄存器,电压低位寄存器,电压高位寄存器)
p1[i++]=tmrbyte(flag);
p1[i++]=tmrbyte(flag);
p1[i++]=tmrbyte(flag);
p1[i++]=tmrbyte(flag);
//以下读湿度
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1);
tmwbyte(0xcc,flag); //发送写高速暂存存储器,第0页
tmwbyte(0x4e,flag);
tmwbyte(0x00,flag);
tmwbyte(0x00,flag); //第一字节写0
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//dlmsed(1);
delay_ms(1);
//这三步要不要?
tmwbyte(0xcc,flag); //拷贝高速暂存存储器,第0页
tmwbyte(0x48,flag);
tmwbyte(0x00,flag);
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1);
tmwbyte(0xcc,flag); //电压转换
tmwbyte(0xb4,flag);
delay_ms(20); //延时20ms
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//delay_ms(2000); //add
//dlmsed(1);
delay_ms(1);
//这三步要不要?
tmwbyte(0xcc,flag); //恢复存储器,第0页
tmwbyte(0xb8,flag);
tmwbyte(0x00,flag);
for(ret=0,jj=0;ret==0&&jj<10;jj++) ret=reset(flag); //复位
if ( ret == 0 ) return -1;
//watchdog();
//dlmsed(1);
delay_ms(1);
tmwbyte(0xcc,flag); //读高速暂存存储器,第0页
tmwbyte(0xbe,flag);
tmwbyte(0x00,flag);
p1[i]=tmrbyte(flag); //接收五字节,保留最后两字节,(即电压低位寄存器,电压高位寄存器)
p1[i]=tmrbyte(flag);
p1[i]=tmrbyte(flag);
p1[i++]=tmrbyte(flag);
p1[i]=tmrbyte(flag);
//EA=1;
return 1;
}
*/
////////////////////////////////////////////////////////////////////////////////////
//add 2004.7.15,A/D方式采集温湿度
void InitADC(void)
{
//时钟范围要求在50KHz到200KHz之间.
ADMUX = 0xC0;//0x40;//0x00;
//ADCSRA = 0x85; //ADCSRA低三位选择ADC时钟，101为32分频，用于4Mhz内部时钟
//ADCSRA = 0x86; // 110为64分频，用于11.0592Mhz外部时钟
ADCSRA = 0x83;//
//DDRA.5 = IN;
// DDRA.7 = IN;
}
int StartADC(unsigned char port,float *result)
{
int i;
unsigned char status,MyAdmux;
unsigned short data,dataH;
float Vin;
ADMUX &= 0xe0;
ADMUX |= port;
ADCSRA |= 0x40; //把第六位置为1,开始转换.
for (i=0;i<2000;i++) {
delay_ms(1); //delay_us(1); 测使用2004.8.4
status = ADCSRA;
//if ( (status&0x40)== 0 ) break;
if ( (status&0x10)==0x10 && (status&0x40)==0 ) break;
}
if ( i >= 2000 ) return -1;
//读结果
data = ADCL;
dataH = ADCH;
ADCSRA |= 0x10; //清ADIF
MyAdmux = ADMUX;
//sprintf(str,"%d:%d %d",port,data,dataH);
//lcd_str(3,str);
//delay_ms(5000);
dataH &= 0x03;
dataH = dataH<<8;
data += dataH;
Vin = 2.56*data;//5*data;
Vin /= 1024;
*result = Vin;
return 0;
}
#define ADC_TEMP_PORT 5
#define ADC_HUMI_PORT 7
int ReadADCTempHumi(float *wd,float *sd)
{
float Vwd=0,Vsd=0;
float aa,bb;
int ret;
if ( (ret=StartADC(ADC_TEMP_PORT,&Vwd)) != 0 ) return ret;
delay_ms(1);
if ( (ret=StartADC(ADC_HUMI_PORT,&Vsd)) != 0 ) return ret;
//if ( (ret=StartADC(0x1e,&aa)) != 0 ) return ret;
//if ( (ret=StartADC(0x1f,&bb)) != 0 ) return ret;
*wd = Vwd*100-1.5; //温度
*sd = 100*Vsd/3; //湿度
return 0;
}
//add 2004.7.15,A/D方式采集温湿度
void data_init(void)
{
nSecondCount=0;
n100msCount=0;
//T_out=T_in=TH_ref-3;
//TH_ref,TL_ref;
//H_out=H_in=H_ref;
//H_ref;
//inTempValue[0]=inTempValue[1]=inTempValue[2]=0;
//inHumiValue[0]=inHumiValue[1]=inHumiValue[2]=0;
//outTempValue[0]=outTempValue[1]=outTempValue[2]=0;
//outHumiValue[0]=outHumiValue[1]=outHumiValue[2]=0;
//SamplePos = 0;
// menulayer=0; //菜单层 0:没有 1:第一层 2:第二层
// oprstatus=0; //0:没有菜单操作 1:菜单选择 2:具体命令
// selectpos=0;
errflag = 0; //错误清0
}
void ProcCom(char *recvbuf);
unsigned short oldhead=0;
void proc_recv(void)
{
unsigned int i;
char buf[SIZE_OF_INBUF+2];
unsigned short findflag=0;
unsigned short pos;
if ( oldhead == inhead ) {
if ( nSecondCount >= UARTRecvCount+65 ) {//超时
intail = oldhead;
}
return;
}
UARTRecvCount = nSecondCount;
RecvMsgCount = nSecondCount;
i = 0;
pos = intail;
while ( pos != inhead ) {
buf[i] = inbuf[pos];
if ( buf[i] == '\r' ) {
findflag = 1;
break;
}
i++;
pos = (pos+1)%SIZE_OF_INBUF;
}
if ( findflag == 0 ) { //没找到
oldhead = pos;
return;
}
buf[i] = '\0';
intail = (pos+1)%SIZE_OF_INBUF;
oldhead = intail;
ProcCom(buf);
}
void ProcCom(char *recvbuf)
{
char keyword[30];
unsigned char com,pos;
unsigned int a1,a2,a3,a4,a5,a6,a7,a8;
unsigned int a0,a21;
if ( !SeperateStr(recvbuf,0,keyword,sizeof(keyword)) ) return;
com = atoi(keyword);
switch(com) {
case COM_UpdData:
//命令字+温度标准+温度上限+温度下限+双启温度+湿度标准值+加湿阀值+除湿阀值
// + 空调降温结束条件,低于上限几度 + 空调升温结束条件,高于下限几度+
// 风扇延时时长（内外温度相等后，延时的时长(单位分)）
pos = 1;
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error; //温度标准
a0 = atoi(keyword);
if ( a0 > 50 || a0 < 10 ) goto error;
//赋值
sysprm.nTemp = a0; //add
WriteSysPrm();
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
//发送设置正确消息
return;
case COM_GetData:
sprintf(str,"%d+%d+%d+%d+%d+%d+%d+%d\r",COM_GetDataResp,
sysprm.nTemp,sysprm.nTempHigh,sysprm.nTempLow,sysprm.nTempDualOn,
sysprm.nHumidity,sysprm.nHumiLow,sysprm.nHumiHigh );
//sysprm.nLetdownNum,sysprm.nRiseNum,sysprm.nDelayNum);
put_buf(str);
return;
case COM_StartSample:
pos = 1;
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error;
sample_interval = atoi(keyword);
if ( sample_interval < 5 ) {
sprintf(str,"%d\r",COM_RespError);
} else {
sample_flag = 1;
sprintf(str,"%d\r",COM_RespOK);
}
put_buf(str);
return;
case COM_EndSample:
sample_flag = 0;
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
return;
case COM_GetStatus:
//命令字+温度情况+湿度情况+空调降温状况+空调升温状况+风扇状况+加湿机状况+除湿机状况
sprintf(str,"%d+0+0+0+0+0+0+0\r",COM_GetStatusResp);
put_buf(str);
return;
case COM_SendClock:
case COM_AdjustClockRsp:
pos = 1;
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error;
if ( strlen(keyword) != 14 ) {
sprintf(str,"%d\r",COM_RespError);
} else {
SREG &= 0x7f; //关中断
t.second = atoi(&keyword[12]);
keyword[12] = '\0';
t.minute = atoi(&keyword[10]);
keyword[10] = '\0';
t.hour = atoi(&keyword[8]);
keyword[8] = '\0';
t.date = atoi(&keyword[6]);
keyword[6] = '\0';
t.month = atoi(&keyword[4]);
keyword[4] = '\0';
t.year = atoi(keyword);
SREG |= 0x80; //开中断
recvtime=1; //收到时间
sprintf(str,"%d\r",COM_RespOK);
}
if (com==COM_SendClock) put_buf(str);
return;
case COM_GetClock:
sprintf(str,"%d+%04d%02d%02d%02d%02d%02d\r",
COM_GetClockResp,t.year,t.month,t.date,t.hour,t.minute,t.second);
put_buf(str);
return;
case COM_SetDevice:
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
return;
case COM_SetAlarmCondition:
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
return;
case COM_GetAlarmCondition:
sprintf(str,"%d+%d+%d+%d+%d+%d+%d\r",
COM_GetAlarmConditionResp,sysprm.nTempAirconTimer,sysprm.nTempAirconAllTimer,
sysprm.nTempWindTimer,sysprm.nTempWindAllTimer,
sysprm.nHumiTimer,sysprm.nHumiAllTimer);
put_buf(str);
return;
case COM_ReadSensorInterval:
pos = 1;
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error;
a1 = atoi(keyword);
//if ( a1<5 || a1>180) goto error;
if ( a1 <= 0 ) goto error;
readinterval = a1;
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
return;
case COM_ResetEtr186: //复位ETR186
//ResetEtr186();
//开始点复位灯
StartResetCount = nSecondCount;
SetOnResetLed();
//复位ETR186
RecvMsgCount = nSecondCount;
ResetEtr186();
return;
case COM_LinkMsg:
return;
case COM_UpdTel:
//命令字+号码1+号码2
pos = 1;
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error;
strncpy(sysprm.tel1,keyword,13);
sysprm.tel1[13] = '\0';
if ( !SeperateStr(recvbuf,pos++,keyword,sizeof(keyword)) ) goto error;
strncpy(sysprm.tel2,keyword,13);
sysprm.tel2[13] = '\0';
WriteSysPrm();
sprintf(str,"%d\r",COM_RespOK);
put_buf(str);
//发送设置正确消息
return;
}
error:
//发送不成功
sprintf(str,"%d\r",COM_RespError);
put_buf(str);
}
/*
void proc_send(void)
{
unsigned char i;
while ( tail!=head ) {
for(i=0;i<10;i++) {
if ( UARTSendChar(sendbuf[tail]) ) {
tail = ( tail+1)%MAX_SENDBUF_NUM;
break;
}
delay_us(200);
}
if ( i >= 10 ) return;
delay_us(10);
}
}
void put_buf(char *msg)
{
int len,space,i;
len = strlen(msg);
if ( tail==head ) space=MAX_SENDBUF_NUM-1;
else {
if ( head>tail) space=MAX_SENDBUF_NUM-(head-tail)-1;
else space = MAX_SENDBUF_NUM-(MAX_SENDBUF_NUM+head-tail)-1;
}
if ( len > space ) return; //调掉
for (i=0;i<len;i++) {
sendbuf[head] = msg[i];
head = (head+1)%MAX_SENDBUF_NUM;
}
}
*/
void StartSend(void)
{
unsigned char aa,cChar;
aa = UCSRB;
if( (aa&(1<<UDRIE)) == 0 )
{
if ( outtail != outhead ) {
cChar = outbuf[outtail];
outtail = ( outtail+1)%SIZE_OF_OUTBUF;
UDR = cChar;
UCSRB |= 1<<UDRIE;
}
}
}
void put_buf(char *string)
{
int i,len,j;
len = strlen(string);
for(i=0;i<len;i++) {
for(j=0;j<2000;j++ ) {
if ( outhead+1!=outtail ) {
outbuf[outhead] = string[i];
outhead = (outhead+1)%SIZE_OF_OUTBUF;
break;
}
else delay_us(10);
}
if ( j >= 2000 ) break;
}
StartSend();
}
//提取用'*'分开的字符串
//pos 从0开始
int SeperateStr(char *src,int pos,char *dest,int destsize)
{
char *p,*q;
int i,len;
q = src;
p = src;
for (i=0;i<=pos;i++) {
p = q;
while ( *p=='#' || *p=='+' || *p=='\r' || *p=='\n' ) p++;
q = p;
while ( !(*q=='+' || *q=='\r' || *q=='\n' || *q=='\0') ) q++;
if ( q-p <= 0 ) return 0; //没有了
}
len = q-p;
if ( len >= destsize-1)
len = destsize-1;
strncpy(dest,p,len);
dest[len] = '\0';
return 1;
}
//------------------WatchDog--------------------------------
void EnableWDT(void)
{
int i;
#asm("cli")
WDTCR = 0x18;
WDTCR = 0x0f;//f;//f;
#asm("sei")
#asm("wdr");
//while(1) {
// i++;
// delay_us(1);
//}
}
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