# definechar unsigned char//unsigned character macro defines variables in the range of 0~255.
The # define uint unsigned int//unsigned integer macro defines the variable range from 0 to 65535.
# include & ltintrins.h & gt// With him, feel free to use these keywords.
/* _crol_ character cycle left shift
_cror_ character cycle right shift
_irol_ integer cycle left shift
_iror_ integer cycle right shift
_lrol_ Long integer cycle left shift
_lror_ Long integer cycle right shift
_nop_ Null operation 805 1 NOP instruction
0 1 2 3 4 5 6 7 8 9
Uchar code smg_du[]={0x28, 0xe 1, 0x32, 0xa2, 0x54, 0xa 1, 0x2 1, 0xea, 0x20, 0xa0,
There are codes in a, b, c, d, e, f, G// arrays, but there are no codes in ROM.
0x60，0x25，0x39，0x26，0x3 1，0x7 1，0x ff }； //Definition of digital tube segment selection
Uchar code smg_we[]={0xef, 0xdf, 0xbf, 0x7f }；; //Definition of digital tube position selection
uchar dis _ SMG[8]= { 0 }；
uchar SMG _ I = 4； //Displays the unit number of the digital tube.
sbit beep = p2^3； //Buzzer IO port definition
Bit flag _ lj _ en// button is connected and enabled.
The bit flag _ lj _ 3 _ en// has a large number of keys that can be added after three consecutive times.
Uchar key_time, key _ value// are used as intermediate variables in series.
bit key _ 500ms
Bit flag _ 300ms
uchar menu _ 1； //Variables for menu design
Uint t _ high = 20// upper limit alarm value
sbit hx7 1 1_dout=p2^7；
sbit hx7 1 1_sck=p2^6； //hx7 1 1 module port selection
Long weight;
Unsigned long integer hx711_ buffer = 0;
Unsigned long integer Weight _ Maopi = 0；;
Unit temperature, qi _ weight
Zhong Chao _ sign;
Reggie _ sign;
uchar flag _ 200ms
# Define Gap Value 437.0
Unit temperature, qi _ weight
Zhong Chao _ sign;
Reggie _ sign;
/* * * * * * * * * * * * * * * *1ms delay function * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Void delay_ 1ms(uint q)// unsigned shaping parameter q
{
uint i，j； //define unsigned integer variables I and J.
for(I = 0； I & ltq；; I++) // the variable I is added from 0 to Q.
for(j = 0； j & lt 120; j++)； //The variable j is added from 0 to 120.
}
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Empty display ()
{
Static uchari I; //Apply for unsigned character variable i.
i++；
If (i>= smg_i)// If it is greater than or equal to smg i, it will be executed downwards.
I = 0； The variable I is cleared to 0.
p 1 = 0x ff； //blanking MCU p 1 sending11111.
P3 = SMG _ we[I]； //Bit selection array I is sent to P3 port of single chip microcomputer.
p 1 = dis _ SMG[I]； //The contents of segment selection array I are sent to port p 1.
}
/* * * * * * * * * Timer0 initialization program * * * * * * * * * * * * * *
Invalid test