#include

#include   

#include "lcd12864.h"

#define uint unsigned int

#define uchar unsigned char

#define MISO PINB.6

#define SCK PORTB.7

#define MOSI PORTB.5

#define CSN PORTC.0

#define CE PORTC.1

#define IRQ PORTC.2  

#define CONFIG          0x00  // 配置收發(fā)狀態(tài)，CRC校驗(yàn)?zāi)Ｊ揭约笆瞻l(fā)狀態(tài)響應(yīng)方式

#define EN_AA 0x01//自動(dòng)應(yīng)答使能

#define EN_RXADDR 0x02   //接收地址允許

#define SETUP_AW 0x03  //設(shè)置地址寬度

#define SETUP_RETR 0x04  //建立自動(dòng)重發(fā)

#define RF_CH 0x05  //射頻通道

#define RF_SETUP 0x06  //射頻寄存器

#define STATUS 0x07  //狀態(tài)寄存器

#define OBSTERVE_TX 0x08  //發(fā)送檢測(cè)寄存器

#define CD 0x09  //載波檢測(cè)

#define RX_ADDR_P0 0x0a  //數(shù)據(jù)通道0接收地址

#define RX_ADDR_P1 0x0b  //數(shù)據(jù)通道0接收地址

#define RX_ADDR_P2 0x0c  //數(shù)據(jù)通道0接收地址

#define RX_ADDR_P3 0x0d  //數(shù)據(jù)通道0接收地址

#define RX_ADDR_P4 0x0e  //數(shù)據(jù)通道0接收地址

#define RX_ADDR_P5 0x0f  //數(shù)據(jù)通道0接收地址

#define TX_ADDR 0x10  //發(fā)送地址

#define RX_PW_P0 0x11  //  

#define RX_PW_P1 0x12  //

#define RX_PW_P2 0x13  //

#define RX_PW_P3 0x14  //

#define RX_PW_P4 0x15  //

#define RX_PW_P5 0x16  //

#define FIFO_STATUS 0x17  //FIFO狀態(tài)寄存器  

#define READ_REG        0x00      // 讀寄存器指令

#define WRITE_REG       0x20     // 寫寄存器指令

#define RD_RX_PLOAD     0x61      // 讀取接收數(shù)據(jù)指令

#define WR_TX_PLOAD     0xA0      // 寫待發(fā)數(shù)據(jù)指令

#define FLUSH_TX        0xE1     // 沖洗發(fā)送 FIFO指令

#define FLUSH_RX        0xE2      // 沖洗接收 FIFO指令

#define REUSE_TX_PL     0xE3      // 定義重復(fù)裝載數(shù)據(jù)指令

#define NOP             0xFF      // 保留      

#define TX_ADR_WIDTH    5       // 5 uints TX address width

#define RX_ADR_WIDTH    5       // 5 uints RX address width

#define TX_PLOAD_WIDTH  20      // 20 uints TX payload

#define RX_PLOAD_WIDTH  20      // 20 uints TX payload  

uchar status;

uchar  sta;

uchar str[30];

uchar  TX_ADDRESS[TX_ADR_WIDTH]= {0x05,0x04,0x03,0x02,0x01};    //本地地址

uchar  RX_ADDRESS[RX_ADR_WIDTH]= {0x05,0x04,0x03,0x02,0x01};    //接收地址

uchar TxBuf[5]={0x65,0x98,0xf3,0x02,0x08};

uchar SPI_RW(uchar uuchar)//SPI寫時(shí)序

{

uchar bit_ctr;

for(bit_ctr=0;bit_ctr<8;bit_ctr++)

  {

  MOSI=(uuchar&0x80);

  uuchar=(uuchar<<1);

  SCK=1;

  uuchar|=MISO;

  SCK=0;

  }

return (uuchar);

}   

uchar SPI_Read(uchar reg)//SPI讀取一個(gè)字節(jié)

{

uchar reg_val;

CSN=0;

SPI_RW(reg);

delay_ms(1);

reg_val=SPI_RW(0);

delay_ms(1);

CSN=1;

return (reg_val);

}

uchar SPI_RW_Reg(uchar reg,uchar value)//寫一個(gè)自接到寄存器函數(shù)

{

uchar status;

CSN=0;

status=SPI_RW(reg);

delay_ms(1);

SPI_RW(value);

delay_ms(1);

CSN=1;

return (status);

}

uchar  *ucharostr(uchar num)

{

uchar x00,xx,x0,x,n;

x00=num/100;

xx=num0;

x0=xx/10;

x=xx;

n=0;

if(x00!=0)

  {

  str[n]=x00+48;

  n++;

  }

if(!(x00==0&x0==0))

  {

  str[n]=x0+48;

  n++;

  }

str[n]=x+48;

n++;

str[n]='\0';

return str;

}

uchar SPI_Read_Buf(uchar reg,uchar *pBuf,uchar uchars)//用于讀數(shù)據(jù)，reg:寄存器地址，pBuf:帶度數(shù)數(shù)據(jù)地址，uchars數(shù)據(jù)個(gè)數(shù)

{

uchar status,uchar_ctr;

CSN=0;

status=SPI_RW(reg);

for(uchar_ctr=0;uchar_ctr

  {

  pBuf[uchar_ctr]=SPI_RW(0);

  }

  CSN=1;

    return (status);

}  

   

uint SPI_Write_Buf(uchar reg, uchar *pBuf, uchar uchars)

{

    uint status,uchar_ctr;

   

    CSN = 0;            //SPI使能      

    status = SPI_RW(reg);   

    for(uchar_ctr=0; uchar_ctr

        SPI_RW(*pBuf++);

    CSN = 1;           //關(guān)閉SPI

    return(status);    //

}

void init_NRF24L01(void)

{

delay_us(100);

CE=0; //射頻停止工作

CSN=1;

SCK=0;

IRQ=1;//中斷復(fù)位

SPI_Write_Buf(WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH);//寫本地地址

SPI_Write_Buf(WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH);//寫接收端地址

SPI_RW_Reg(WRITE_REG+EN_AA,0x00);//頻道0自動(dòng)，ACK應(yīng)答禁止

SPI_RW_Reg(WRITE_REG+EN_RXADDR,0x01);//允許接收地址只有頻道0

SPI_RW_Reg(WRITE_REG+RF_CH,1);//設(shè)置信道工作2.4GHZ，收發(fā)必須一致

SPI_RW_Reg(WRITE_REG+RX_PW_P0,RX_PLOAD_WIDTH);//設(shè)置接收數(shù)據(jù)長(zhǎng)度，32字節(jié)

SPI_RW_Reg(WRITE_REG+RF_SETUP,0x07);//發(fā)射速率2MHZ，發(fā)射功率最大為0dB

}

void SetRX_Mode(void)//設(shè)置數(shù)據(jù)接收模式

{

CE=0;

SPI_RW_Reg(WRITE_REG+CONFIG,0x0f);//IRQ中斷響應(yīng)，16位CRC，接收模式

CE=1;

delay_us(130);

}  

uchar nRF24L01_RxPacket(uchar *rx_buf)

{

uchar revale=0;

sta=SPI_Read(STATUS);

if(sta&0x40)//判斷是否接受到數(shù)據(jù)RX_DR

   {

   CE=0;

   SPI_Read_Buf(RD_RX_PLOAD,rx_buf,TX_PLOAD_WIDTH);//讀取接收數(shù)據(jù)  

   revale=1;

   SPI_RW_Reg(WRITE_REG+STATUS,0xff);//寫1清楚中斷標(biāo)志

   }

return revale;

}

void main(void)

{

uchar i;

uchar RxBuf[32];

uchar Buf0[5]={0,0,0,0,0};

i=0;

// Declare your local variables here

// Input/Output Ports initialization

// Port A initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In

// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T

PORTA=0x00;

DDRA=0x00;

// Port B initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In

// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T

PORTB=0x00;

DDRB=0xB0;

// Port C initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In

// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T

PORTC=0xff;

DDRC=0xff;

// Port D initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In

// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T

PORTD=0x00;

DDRD=0x00;

// Timer/Counter 0 initialization

// Clock source: System Clock

// Clock value: Timer 0 Stopped

// Mode: Normal top=FFh

// OC0 output: Disconnected

TCCR0=0x00;

TCNT0=0x00;

OCR0=0x00;

// Timer/Counter 1 initialization

// Clock source: System Clock

// Clock value: Timer 1 Stopped

// Mode: Normal top=FFFFh

// OC1A output: Discon.

// OC1B output: Discon.

// Noise Canceler: Off

// Input Capture on Falling Edge

// Timer 1 Overflow Interrupt: Off

// Input Capture Interrupt: Off

// Compare A Match Interrupt: Off

// Compare B Match Interrupt: Off

TCCR1A=0x00;

TCCR1B=0x00;

TCNT1H=0x00;

TCNT1L=0x00;

ICR1H=0x00;

ICR1L=0x00;

OCR1AH=0x00;

OCR1AL=0x00;

OCR1BH=0x00;

OCR1BL=0x00;

// Timer/Counter 2 initialization

// Clock source: System Clock

// Clock value: Timer 2 Stopped

// Mode: Normal top=FFh

// OC2 output: Disconnected

ASSR=0x00;

TCCR2=0x00;

TCNT2=0x00;

OCR2=0x00;

// External Interrupt(s) initialization

// INT0: Off

// INT1: Off

// INT2: Off

MCUCR=0x00;

MCUCSR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization

TIMSK=0x00;

// Analog Comparator initialization

// Analog Comparator: Off

// Analog Comparator Input Capture by Timer/Counter 1: Off

ACSR=0x80;

SFIOR=0x00;

lcd12864_init();

delay_ms(10);

init_NRF24L01();  

IRQ=1;

SPI_Read_Buf(RX_ADDR_P0,Buf0,5);//讀取0通道接收地址

delay_ms(100);

lcd12864_puts(ucharostr(Buf0[0]));

lcd12864_puts(ucharostr(Buf0[1]));

lcd12864_puts(ucharostr(Buf0[2]));

lcd12864_puts(ucharostr(Buf0[3]));

lcd12864_puts(ucharostr(Buf0[4]));

delay_ms(20);

SetRX_Mode();

delay_ms(50);

while (1)

      {

      SetRX_Mode();

      delay_ms(20);

      i=SPI_Read(CD);

      if(i)//如果檢測(cè)到中斷產(chǎn)生

      { nRF24L01_RxPacket(RxBuf);

        delay_ms(10);

        lcd12864_gotoxy(0,0);

        for(i=0;i<5;i++)

        {

        lcd12864_putchar(RxBuf);