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#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校驗模式以及收發(fā)狀態(tài)響應方式 #define EN_AA 0x01//自動應答使能 #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)送檢測寄存器 #define CD 0x09 //載波檢測 #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，ACK應答禁止 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，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); delay_ms(2); } for(i=5;i<10;i++) { lcd12864_putchar(RxBuf); delay_ms(2); } for(i=10;i<16;i++) { lcd12864_putchar(RxBuf); delay_ms(2); } i=0; } }; }
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沒找到我想要的東西。學姐可以教教嗎
