Joke Collection Website - Blessing messages - I'm doing a single-chip computer to write instructions to send SMS to the designated mobile phone number for information or QQ for help.
I'm doing a single-chip computer to write instructions to send SMS to the designated mobile phone number for information or QQ for help.
/*8-bit * * * positive digital tube, 18b20 connected to P3^3, 1 1.0592 crystal oscillator */
# include & ltreg52.h & gt
# include & ltintrins.h & gt
# Define uchar unsigned characters
# Define uint unsigned integer
uchar th,TL; //The storage and acquisition temperature is 8 bits higher and 8 bits lower.
Uchar temp_int, temp _ dot// stores the integer part and decimal part of the converted temperature.
sbit dq=p3^3; // 18b20 data interface
bit stat _ 18b 20; // 18b20 initialization return status
uchar ctrl _ z = 0x 1a; //GPRS data transmission terminal identification CTRL+Z key 16 binary code
Uchar ATC lport [] = "at+clport = \" TCP \ ",\" 5256 \ "\ r// Set the local GPRS communication protocol and port number.
Uchar atcipstart [] = "at+CIP start = \" TCP \ ",\"121.233.142.158 \ ",\" 6000 \ "
uchar ATCIPSEND[]= " AT+CIP send \ r "; //Start the data sending command
void UART _ init(); //Serial port initialization
void dela Yus(uint xus); //delay microseconds
void delay ms(uint xms); //Delay milliseconds
init _ 18b 20(); // 18b20 initialization
read char(); //Read a byte
void write char(uchar dat); //Write a byte
void get _ temp(); //Measure the temperature
void temp _ convert(); //conversion temperature
void send _ string(uchar * GPRS _ string); //Send the string to the GPRS module.
void send _ char(uchar);
void GPRS _ init(); //GPRS module initialization
void send _ temp(); //Send the temperature through GPRS module.
//-The following are the main functions.
Invalid master (invalid)
{
UART _ init();
GPRS _ init();
while( 1)
{
get _ temp();
temp _ convert();
send _ temp();
}
}
void uart_init()
{
TMOD = 0x 20;
SCON = 0x 50;
th 1 = 0x FD;
TL 1 = 0x FD;
tr 1 = 1;
}
//-The following are the delayed operation functions.
void delayus(uint xus)
{
for(; xus & gt0; xus-);
}
Invalid delay (uintms)
{
uint I;
uchar j;
for(I = 0; I & ltxmsi++)
for(j = 0; j & lt 1 12; j++);
}
//-The following are the operating functions of DS 18B20.
init_ 18b20()
{
stat _ 18b 20 = 1;
dq = 1;
Draeus (5);
dq = 0;
Draeus (50);
dq = 1;
Draeus (5);
stat _ 18b 20 = dq;
Draeus (60);
dq = 1;
return(stat _ 18b 20);
write char(0x4e);
write char(0x 02);
write char(0x 0 1);
write char(0x7f);
}
readchar()
{
uchar i,dat
for(I = 8; I>0; I-)
{
dq = 0;
dat = dat & gt& gt 1;
dq = 1;
Intermediate frequency (dq)
dat = dat | 0x80
Draeus (4);
}
return(dat);
}
void writechar(uchar dat)
{
Ucal I;
for(I = 8; I>0; I-)
{
dq = 0;
dq = dat & amp0x 0 1;
Draeus (5);
dq = 1;
dat = dat & gt& gt 1;
}
}
void get_temp()
{
init _ 18b 20();
if(stat_ 18b20==0)
{
write char(0x cc);
write char(0x 44);
Delems (50);
init _ 18b 20();
write char(0x cc);
write char(0x be);
TL = read char();
th = read char();
}
other
{
; //Error handling module
}
}
void temp_convert()
{
temp _ int =((th & amp; 0x 07)& lt; & lt4)|((TL & amp; 0xf0)>& gt4);
Temporary point = tl & amp0x0f
}
//-The following are the operating functions of the SIM300.
Voidsend _ string (uchar * GPRS _ string)//instruction string Send instruction.
{
while(*gprs_string)
{
SBUF = * gprs _ string
while(TI = = 0);
TI = 0;
GPRS _ string++;
}
}
void send_char(uchar x)
{
SBUF = x;
while(TI = = 0);
TI = 0;
}
void gprs_init()
{
send _ string(ATCLPORT);
delayms( 1000);
send _ string(atci pstart);
delayms( 1000);
}
void send_temp()
{
send _ string(ATCIPSEND);
send _ char(temp _ int);
Send_char (temporary point);
send _ char(ctrl _ z);
delayms( 1000);
}
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