ZigBee module Basic Experiment (1) Light up led

Source: Internet
Author: User

1. Io Configuration

Three registers are required for the configuration of the IOS port of the standard.

 

IO port register

P0

P1

P2

Address

0x80

0x90

0xa0

 

Pxsel

P0sel

P1sel

P2sel

Address

0xf3

0xf4

0xf5

Px [] function to set registers. The default is normal IO port (0: normal IO port 1: second function)

 

Pxdir

P0dir

P1dir

P2dir

Address

0xfd

0xfe

0xff

Px [] input and output settings register (0: Input 1: Output)

 

Pxindium

P0indium

P1indium

P2indium

Address

0x8f

0xf6

0xf7

Px [] the circuit mode register when the input port is used (0: up/down 1: three States)

2. Led Wiring

Connect led1 to p1_0

Led2 connected to p1_1

 

3. Implement Functions

Led1 and led2 flash alternately after power-on

 

4. Some code analysis

Configure p1_0 and p1_1 ports

P1sel & = ~ 0x03;

P1dir | = 0x03;

P1indium & = ~ 0x03;

 

5. complete code

 1 #include <ioCC2530.h> 2  3 #define LED1 P1_0 4 #define LED2 P1_1 5  6 #define uchar unsigned char 7 #define uint  unsigned int 8  9 void ledInit();10 void delayms(uint ms);11 12 void ledInit()13 {14   P1SEL &= ~0x03;15   P1DIR |= 0x03;16   P1INP &= ~0x03;17   18   LED1 = 1;19   LED2 = 0;20 }21 22 void delayms(uint ms)23 {24   uint i,j;25   for(i=ms; i>0; i--)26     for(j=587; j>0; j--);27 }28 29 void main()30 {31   ledInit();32   while(1)33   {34     delayms(1000);35     LED1 = !LED1;36     LED2 = !LED2;37   }38 }

 

ZigBee module Basic Experiment (1) Light up led

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