blob: 33a749e3dd22c729b00a23ac6da65142349c06ca (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//voltage
function read_voltage()
//endfunction
h=open_serial(1,2,9600)
//for x=1:5
arr=[ascii(01) ascii(03) ascii(15) ascii(86) ascii(00) ascii(02) ascii(39) ascii(15)];
//arr1=string(arr)
aac=ascii(01)+ ascii(03) + ascii(15) + ascii(86) + ascii(00) + ascii(02) + ascii(39) + ascii(15)
write_serial(1,aac,8);
buf=read_serial(1,11)
//sleep(100)
//end
b1=0;b2=0;b3=0;b4=0;
myresult=ascii(buf)
a1=myresult(5); if(a1<16) then b1=1; end; a1=dec2hex(a1); if(b1) then a1= '0'+string(a1); end;
a2=myresult(6);if(a2<16) then b2=1; end ; a2=(dec2hex(a2)); if(b2) then a2= '0'+string(a2); end;
a3=myresult(7);if(a3<16) then b3=1; end; a3=(dec2hex(a3)); if(b3) then a3= '0'+string(a3); end;
a4=myresult(8);if(a4<16) then b4=1; end; a4=(dec2hex(a4)); if(b4) then a4= '0'+string(a4); end;
a5=[a3,a4,a1,a2];
a6=strcat(a5)
//a6=a2+256*a1+256*256*a4+256*256*256*a3
//a7=hex2dec(a6)
//disp(a5)
close_serial(1)
//
p=ieeesingle2num(a6)
disp("Voltage(in V)=")
disp(p)
//
endfunction
|
