Re-pick the first day of single-chip LED lights

The graph knows low-level light, high-level off

Control the first LED1 light out program code, as follows

1#include <reg52.h>2 #defineUchar8 unsigned char3 #defineuint16 unsigned int4Sbit led1=p1^0;5 /*****************************/6 //function Name: delayms ()7 //function function: Delay8 //entry function: Delay millisecond9 //export function: NoneTen /********* *******************/ One voiddelayms (uint16 val) A { - uint16 i,j; -         for(i=0; i<val;i++) the             for(j=0;j<113; j + +); -  - } -  + voidMain () - { +  A     while(1) at    { -led1=0; -Delayms ( +); -led1=1; -Delayms ( +); -       in    } -  to}

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Running Light Program code:

1#include <reg52.h>2#include <intrins.h>3 #defineUchar8 unsigned char4 #defineuint16 unsigned int5 #defineLED P16 /*****************************/7 //function Name: delayms ()8 //function function: Delay9 //entry function: Delay millisecondTen //export function: None One /********* *******************/ A voiddelayms (uint16 val) - { - uint16 i,j; the         for(i=0; i<val;i++) -             for(j=0;j<113; j + +); -  - } +  - voidMain () + { A      at     inti; -  -    while(1) -   { -Led=0xFF;//here the port is all set to 1111 1111, which is equivalent to the total loss -     in     for(i=0;i<8; i++) -    { to        +led=led<<1;//left-shift loop selected -Delayms ( +); the        *    } $ Panax Notoginseng   } -  the}

P1.7	P1.6	P1.5	P1.4	P1.3	P1.2	P1.1	P1.0
1	1	1	1	1	1	1	0
1	1	1	1	1	1	0	0
1	1	1	1	1	0	0	0
1	1	1	1	0	0	0	0
1	1	1	0	0	0	0	0
1	1	0	0	0	0	0	0

1	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0

Experiment Board Phenomenon:

Light on number 1th

1, 2 bright

1, 2, 3 bright

1, 2, 3, 4 bright

。。。。。。

1, 2, 3 ..... 8 All Bright

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Marquee Program code:

1#include <reg52.h>2#include <intrins.h>3 #defineUchar8 unsigned char4 #defineuint16 unsigned int5 #defineLED P16 /*****************************/7 //function Name: delayms ()8 //function function: Delay9 //entry function: Delay millisecondTen //export function: None One /********* *******************/ A voiddelayms (uint16 val) - { - uint16 i,j; the         for(i=0; i<val;i++) -             for(j=0;j<113; j + +); -  - } +  - voidMain () + { A      atLED =0xFE; -  -    while(1) -   { -Led=_crol_ (LED,1);  -Delayms ( +); in  -   } to  +}

Only one LED light is lit.

Re-pick the first day of single-chip LED lights