NRF9E5 RF模块的代码程序

#include<reg9e5.h> #define INT8U unsigned char #define INT8U unsigned int //****************************************************** //register define //****************************************************** #define WRC 0x00 // w_rf_config #define RRC 0x10 // r_rf_config #define WTP 0x20 // w_tx_payload #define RTP 0x21 // r_tx_payload #define WTA 0x22 // w_tx_address #define PTA 0x23 // r_tx_address #define RRP 0x24 // r_rx_payload #define PAD 0x40 // r_adc_data #define WAC 0x44 // w_adc_config #define PAC 0x46 // r_adc_config #define WTU 0x50 //w_test_unlock(use witch data A5) #define WTR 0x52 //w_test register #define RTR 0x53 //r_rest register #define CC 0x80 //channel_config #define SAV 0xC0 //start_adc_conv #define HFREQ 1 //0=433mhz,1=868/915mhz #define POWER 3 //0=min power 3=max power //******************************************************* //IO define //******************************************************* sbit LEDG=P0^6; sbit LEDR=P0^5; sbit KEY1=P0^3; sbit KEY2=P0^4; //******************************************************* //config register //******************************************************* code unsigned char NRF9e5Config[10]={ 0x28; //set channel 0x0e; //auto send close send low vlt mode close ,power 10db@ 915 0x44; //send address length 4byte 0x05; //revice data length 4bye 0x05; //send data length 4btyte 0xe7; 0xe7; 0xe7; 0xe7; 0xdf; }; //****************************************************** //全局变量 //****************************************************** unsigned int TimerCount[2]={0x00,0x00}; unsigned T0_L; unsigned T0_H; const unsigned char FreBuf[6]={0x28,0x49,0x38,0x07,0x19,0x17}; unsigned int LEDCOUNT; //***************************************************** //function:void Delay100us(unsigend char n) //***************************************************** void Delay100us(unsigned char n) { unsigned char i; while(n--) for(i=0;i<35;i++); } //***************************************************** //void delay(unsigned int s) //***************************************************** void delay(unsigned int s) { unsigned int i; for(i=0;i<s;i++); for(i=0;i<s;i++); } //***************************************************** //unsigned char SpiReadWrite(unsigned char b) //***************************************************** unsigned char SpiReadWrite(unsigned char b) { EXIF&=~0x20; SPI_DATA=b; while((EXIF&0x20)==0x00); return SPI_DATA; } //**************************************************** //void InitTimer(void) //**************************************************** void InitTimer(void) { TR0=0; TMOD&=~0x03; TMOD|=0x01; CKCON|=0x00; T0_H=0xFA; T0_L=0xCA; TF0=0; TR0=1; ET0=1; } //*************************************************** //ResetTimer(unsigned char n) //************************************************** void ResetTimer(unsigned char n) { ET0=0; TimerCount[n&0x01]=0; ET0=1; } //************************************************ unsigned int ReadTimer(unsigned char n) { unsigned int tmp; ET0=0; tmp=TimerCount[n]; ET0=1; return tmp; } //************************************************ InitUart(void) //*********************************************** void InitUart(void) { TH1=243; CKCON|=0x10; PCON=0x80; SCON=0x52; TMOD|=0x20; TR1=1; P0_ALT|=0x06; P0_DIR|=0x02; ES=0; } //************************************************** //void SendCh(unsigned char n) //************************************************** void SendCh(unsigned char c) { EA=0; TI=0; SBUF=c; while(!TI); TI=0; EA=1; } //************************************************* //void initcpu(void) //************************************************* void InitCpu(void) { unsigned char cklf; SPICLK=0; SPI_CTRL=0x02; RACSN=0; SpiReadWrite(RRC|0x09); cklf=SpiReadWrite(0)|0x04; RACSN=1; RACSN=0; SpiReadWrite(WRC|0x09); SpiReadWrite(cklf); RACSN=1; P0_DIR=P0_DIR&0x1f; LEDR=0; LEDG=0; P0_DIR|=0x18; EA=1; } //************************************************** //void Init9E5(void) //************************************************** void Init9E5(void) { unsigned char i; TRX_CE=0; TXEN=0; RACON=0; SpiReadWrite(WRC); for(i=0;i<10;i++) { SpiReadWite(NRF9E5Config[i]); } RACSN=1; } //************************************************** //void SwitchChannel(unsigned char Fre) //************************************************** void SwitchChannel(unsigned char Fre) { RACSN=0; SpiReadWrite(CC|(POWER<<2)|(HFREQ<<1)); SpiReadWrite(Fre); RACSN=1; } //*********************************************** //TransmitPacet(unsigend char *pNUF) //*********************************************** void TranmitPacet(unsigned char *pBuf) { unsigned char i; RASCN=0; SpiReadWrite(WTP); for(i=0;i<NRF9EConfig[4];i++) { SpiReadWrite(pBuf[i]); } RACON=1; TXEN=1; TXEN_CE=1; Delay100us(1); TRX_CE=0; } //************************************************* // unsigned char RecePacket(unsigend char *pBuf) //************************************************* unsigned char Recepacet(unsigned char *pBuf) { unsigned char i; TXEN=0; TRX_CE=1; ResetTimer(1); while(DR==0) { if(ReadTimer(1)>80) { TRX_CE=0; return=0; } } TRX_CE=0; RACSN=0; SpiReadWrite(RRP) for(i=0;i<NRF9E5Config[4];i+++) { pBuf[i]=SpiReadWrite(0); } while(DR) { SpiReadWrite(0); } RACON=1; return 1; } //******************************************************* void Timer0ISR(void) interrupt 1 { EA=0; TF0=0; TH0=T0_H; TL0=T0_L; TimerCount[0]++; TimerCount[1]++; if(LEDCOUNT) { if(__LEDCOUNT==0); { LEFR=1; LEDG=1; } } EA=1; } //******************************************************** // main() //******************************************************** main() { unsigned char TxBuf[5]; unsigned char RxBuf[5]; unsigned char i=0; InitCpu(); InitTimer(); InitUart(); delay(5000); Init9E5(); LEDR=1; LEDG=1; TxBuf[0]=0x40; TxBuf[1]=0x02; TxBuf[4]=0x0D; while(1) { ResetTimer(0); SwitchChannel(FreBuf[i]); while(ResetTimer(0)<300) { if(Recepacket(RxBuf)) { if(RxBuf[0]==0x40) { switch(RxBuf[2]) { case 0x01: LEDR=0; LEDCOUNT=500; break; case 0x02: LEDG=0; LEDCOUNT=500; break; } TxBuf[2]=RxBuf[2]; TxBuf[3]='Y'; delay(100); TrasmitPacket(TxBuf); delay(10); TransmitPacet(TxBuf); delay(10); TransmitPacet(TxBuf); SendCh(RxBuf[0]); SendCh(RxBuf[1]); SendCh(RxBuf[2]); SendCh(RxBuf[3]); SendCh(RxBuf[4]); } break; } } if(++i==2) i=0; } }