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- 2012-4-3
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楼主 |
发表于 2012-4-3 22:47:25
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#include <reg52.h>
#include <ABSACC.h>
#include <intrins.h>
#include <stdio.h>
#define uint unsigned int
#define uchar unsigned char
#define U8 unsigned char
#define U16 unsigned int
#define ROW(x) (0x80|(x << 0x06))
#define COL(x) (x)
#define LEN(x) ((x-0x01) << 0x03)
#define LEN_MASK 0x38
#define COL_MASK 0x07
#define ROW_MASK 0xC0
#define ROW_COL (ROW_MASK|COL_MASK)
#define HexDisp(x) HexDispArray[x]
#define BYTE_LOW(x) (x & 0x0F)
#define BYTE_HIGH(x) ((x & 0xF0)>>0x04)
//配置口定义//
sbit TXEN =  1^6;
sbit TRX_CE = 1^0;
sbit WR = 1^7;
//SPI口定义//
sbit MISO = 1^1;
sbit MOSI = 1^4;
sbit SCK = 1^2;
sbit CSN = 1^3;
// lcd bit define
sbit LCD_RW = 2^2;
sbit LCD_RS = 2^1;
sbit LCD_EN = P2^0;
#define LCD_DATA P0
sbit red_led = P2^6;
sbit gre_led = P2^7;
sbit led1 = P3^2;
sbit led2 = P3^3;
sbit led3 = P3^5;
sbit key = P2^4;
sbit key1 = P2^5;
//sbit key1 = P2^4;
//状态输出口//
sbit DR = P1^5;
//sbit LCD = P3^2;
/*/RF寄存器配置//
unsigned char idata RFConf[11]=
{
0x00, //配置命令//
0x6C, //CH_NO,配置频段在433.2MHZ
0x0C, //输出功率为10db,不重发，节电为正常模式
0x44, //地址宽度设置，为4字节
0x03,0x03, //接收发送有效数据长度为3字节
0xE7,0xE7,0xE7,0xE7, //接收地址
0xC0, //CRC充许，16位CRC校验16M晶振
};*/
uchar TxRxBuffer[5];
bit success_flag=0;
void delay_2us(U16 delay_cnt);
void Ini_System(void);
///////////延时/////////////////
void Delay(uint x)
{
uint i;
for(i=0;i<x;i++){
_nop_();
}
}
////////////用SPI口写数据至NRF905内//////////
void SpiWrite(unsigned char b)
{
unsigned char i=8;
SCK=0;
while (i--)
{
Delay(10);
MOSI=(bit)(b&0x80);
b><<=1 ;
Delay(10);
SCK=1;
Delay(10);
SCK=0;
}
SCK=0;
}
///////////////from 905 read data////////////////
unsigned char SpiRead(void)
{
register unsigned char i=8;
unsigned char ddata=0;
SCK=0;
while (i--)
{
ddata<<=1 ;
ddata|=MISO;
SCK=1 ;
Delay(10);
SCK=0 ;
Delay(10);
}
SCK=0;
return ddata;
}
///////////////接收数据包/////////////////
void RxPacket(void)
{
uchar i;
i=0;
//while(DR)
{
TxRxBuffer = SpiRead();
TxRxBuffer[1] = SpiRead();
TxRxBuffer[2] = SpiRead();
//i++;
}
}
/*
;写发射数据命令:20H
;读发射数据命令:21H
;写发射地址命令:22H
;读发射地址命令:23H
;读接收数据命令:24H
*/
void TxPacket(void)
{ PWR=1;
TXEN=1;
CSN=0;
SpiWrite(0x22); //写发送地址,后面跟4字节地址//
SpiWrite(0xE7);
SpiWrite(0xE7);
SpiWrite(0xE7);
SpiWrite(0xE7);
CSN=1;
Delay(2);
CSN=0;
SpiWrite(0x20); //写发送数据命令,后面跟三字节数据//
SpiWrite(0x01);
SpiWrite(0x02);
SpiWrite(0x03);
CSN=1;
Delay(5);
TRX_CE=1; //使能发射模式//
Delay(500); //等带发送完成//
TRX_CE=0;
while(!DR);
}
uchar temp;
void Wait_Rec_Packet(void)
{
//TXEN=0;
//TRX_CE=1;
//PWR=1;
//Delay(1000);
//while(1)
{// if (LCD==1)
if(DR)
{
TRX_CE=0; //如果数据准备好，则进入待机模式，以便SPI口操作
CSN=0;
SpiWrite(0x24);
RxPacket();
CSN=1;
while(DR);
TRX_CE=1;
if((TxRxBuffer[0]==0x01)&&(TxRxBuffer[1]==0x02)) //&&(TxRxBuffer[2]==0x03))
{
TxRxBuffer[0]=0xff;
TxRxBuffer[1]=0xff;
success_flag=1;
if(TxRxBuffer[2]==0xa0)
{
red_led=~red_led;
}
else if(TxRxBuffer[2]==0xa1)
{
gre_led=~gre_led;
}
else if(TxRxBuffer[2]==0xa2)
{
led1=~led1;
}
else if(TxRxBuffer[2]==0xa3)
{
led2=~led2;
}
else if(TxRxBuffer[2]==0xa4)
{
led3=~led3;
}
Ini_System();
/*
red_led=0;
Delay(5000);
Delay(5000);
success_flag=0;
red_led=1;
*/
}
//break;
}
}
}
////////////初始化配置寄存器////////////////
void Ini_System(void)
{
// uchar i;
CSN=1;
SCK=0;
PWR=1;
TRX_CE=0;
TXEN=0;
Delay(2);
CSN=0;
SpiWrite( 0x00); //配置命令//
SpiWrite( 0x6C); //CH_NO,配置频段在433.2MHZ
SpiWrite( 0x0C); //输出功率为10db,不重发，节电为正常模式
SpiWrite( 0x44); //地址宽度设置，为4字节
SpiWrite( 0x03);SpiWrite( 0x03); //接收发送有效数据长度为3字节
SpiWrite( 0xE7);SpiWrite( 0xE7);SpiWrite( 0xE7);SpiWrite( 0xE7); //接收地址
SpiWrite( 0xDE);
/*for(i=0;i<11;i++){
SpiWrite(RFConf);
}*/
CSN=1;
PWR=1;
TRX_CE=1;
TXEN=0;
Delay(1000);
}
void main(void)
{
Ini_System();
PWR=0;
//P0=0;
DR=1;
red_led=1;
gre_led=1;
led1 = 1;
led2 = 1;
led3 = 1;
success_flag=0;
TRX_CE=0;
Delay(1000);
TXEN=0;
TRX_CE=1;
PWR=1;
Delay(5000);
TXEN=0;
TRX_CE=1;
PWR=1;
Delay(1000);
while(1)
{
Wait_Rec_Packet(); //等待接收完成
if(success_flag)
{
TXEN=0;
TRX_CE=1;
PWR=1;
Delay(5000);
Delay(5000);
success_flag=0;
Delay(10000);
}
}
}
//----------------- 20091113 START---------------
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发表于 2012-4-3 22:44:53
发表于 2012-4-3 23:20:19
