基于12864的nrf2401

#include<reg52.h> //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义#include<stdio.h> //标准输入输出#include<intrins.h>#include<api.h>sbit RS = P2^4; //Pin4sbit RW = P2^5; //Pin5sbit E = P2^6; //Pin6#define Data P0//数据端口//===================================================================== ========================#define MODE 0//MODE=1时为发送代码为0则是接受代码#define uchar unsigned char#define RX_ADR_WIDTH 5#define TX_ADR_WIDTH 5 // 5 bytes TX(RX) address width#define TX_PLOAD_WIDTH 1 // 20 bytes TX payload#define RX_PLOAD_WIDTH 1uchar const TX_ADDRESS[TX_ADR_WIDTH] = {0x34,0x43,0x10,0x10,0x01}; // Define a static TX addressuchar const RX_ADDRESS[RX_ADR_WIDTH] = {0x34,0x43,0x10,0x10,0x01}; // Define a static RX addressuchar ch,Num,read_flag;uchar Tx_Buf[TX_PLOAD_WIDTH],Rx_Buf[RX_PLOAD_WIDTH];/**************************************************/sbit CE = P1^6;sbit CSN= P1^0;sbit SCK= P1^1;sbit MOSI= P1^2;sbit MISO= P1^3;sbit IRQ = P3^2;/**************************************************/uchar bdata sta;sbit RX_DR =sta^6;sbit TX_DS =sta^5;sbit MAX_RT =sta^4;/**************************************************//*1-VSS 2-VDD 3-V0 4-RS 5-R/W 6-E 7-14 DB0-DB7 15-BLA 16-BLK*//*-----------------------------------------------名称：LCD1602公司：上海浩豚电子科技有限公司网站：编写：师访日期：2009.5修改：无内容：通过标准程序静态显示2行字符------------------------------------------------*/char data TimeNum[]=" ";/******************************************************************/ /* 函数声明*/ /******************************************************************/ /******************************************************************/ /* 微秒延时函数*/ /******************************************************************/ void DelayUs(unsigned char us)//delay us{unsigned char uscnt;uscnt=us>>1; /*12MHz频率*/while(--uscnt);}/******************************************************************/ /* 毫秒函数声明*/ /******************************************************************/ void DelayMs(unsigned char ms){while(--ms){DelayUs(250);DelayUs(250);DelayUs(250);DelayUs(250);}}/******************************************************************/ /* 写入命令函数*/ /******************************************************************/ void WriteCommand(unsigned char c){DelayMs(5);//操作前短暂延时，保证信号稳定E=0;RS=0;RW=0;_nop_();E=1;Data=c;E=0;}/******************************************************************/ /* 写入数据函数*/ /******************************************************************/ void WriteData(unsigned char c){DelayMs(5); //操作前短暂延时，保证信号稳定E=0;RS=1;RW=0;_nop_();E=1;Data=c;E=0;RS=0;}/******************************************************************/ /* 写入字节函数*/ /******************************************************************/ void ShowChar(unsigned char pos,unsigned char c){unsigned char p;if (pos>=0x10)p=pos+0xb0; //是第1行则命令代码高4位为0xcelsep=pos+0x80; //是第2行则命令代码高4位为0x8WriteCommand (p);//写命令WriteData (c); //写数据}/******************************************************************/ /* 写入字符串函数*/ /******************************************************************/ void ShowString (unsigned char line,char *ptr){unsigned char l,i;l=line<<4;for (i=0;i<16;i++)ShowChar (l++,*(ptr+i));//循环显示16个字符}void ShowNum(uchar num){uchar o,p,q;o=num/100;p=num/10%10;q=num%10;ShowChar(1,o);ShowChar(1,p);ShowChar(1,q);}/******************************************************************//* 初始化函数*//******************************************************************/void InitLcd(){DelayMs(15);WriteCommand(0x38); //display modeWriteCommand(0x38); //display modeWriteCommand(0x38); //display modeWriteCommand(0x06); //显示光标移动位置WriteCommand(0x0c); //显示开及光标设置WriteCommand(0x01); //显示清屏}//================================以上为LCD显示程序============================================void Inituart(void){TMOD = 0x20; //timer1 working mode 2TH1 = 0xfd;TL1 = 0xfd; //...fd=9600 for 11.0592mhz FoscSCON = 0x50; //uart mode 1,ren==1PCON = 0x00; //smod=0TR1 = 1;IE=0x90;TI=1;//start timer1}/******************************************************************//* 微秒延时函数*//******************************************************************/void delay_us(unsigned char us)//delay us{unsigned char uscnt;uscnt=us>>1; /*12MHz频率*/while(--uscnt);}/******************************************************************//**************************************************/uchar SPI_RW(uchar byte){uchar bit_ctr;for(bit_ctr=0;bit_ctr<8;bit_ctr++) // output 8-bit{MOSI = (byte & 0x80); // output 'byte', MSB to MOSIbyte = (byte << 1); // shift next bit into MSB..SCK = 1; // Set SCK high..byte |= MISO; // capture current MISO bitSCK = 0; // ..then set SCK low again }return(byte); // return read byte}/**************************************************/BYTE SPI_Read(BYTE reg){BYTE reg_val;CSN = 0; // CSN low, initialize SPI communication...SPI_RW(reg); // Select register to read from..reg_val = SPI_RW(0); // ..then read register valueCSN = 1; // CSN high, terminate SPI communicationreturn(reg_val); // return register value}/**************************/uchar SPI_RW_Reg(BYTE reg,BYTE value){uchar status;CSN = 0; // CSN low, init SPI transactionstatus = SPI_RW(reg); // select registerSPI_RW(value); // ..and write value to it..CSN = 1; // CSN high againreturn(status); // return nRF24L01 status byte}/**************************************************/uchar SPI_Write_Buf(BYTE reg, BYTE *pBuf, BYTE bytes){uchar status,byte_ctr;CSN = 0; // Set CSN low, init SPI tranactionstatus = SPI_RW(reg); // Select register to write to and read status bytefor(byte_ctr=0; byte_ctr<bytes; byte_ctr++) // then write all byte in buffer(*pBuf) SPI_RW(*pBuf++);CSN = 1; // Set CSN high againreturn(status); // return nRF24L01 status byte}/**************************************************//**************************************************/uchar SPI_Read_Buf(BYTE reg, BYTE *pBuf, BYTE bytes){uchar status,byte_ctr;CSN = 0; // Set CSN low, init SPI tranactionstatus = SPI_RW(reg); // Select register to write to and read status bytefor(byte_ctr=0;byte_ctr<bytes;byte_ctr++)pBuf[byte_ctr] = SPI_RW(0); // Perform SPI_RW to read byte from nRF24L01 CSN = 1; // Set CSN high againreturn(status); // return nRF24L01 status byte}/**************************************************/void nRF24L01_TxPacket(uchar *tx_buf){CE=0;SPI_RW_Reg(FLUSH_TX,0x00);SPI_Write_Buf(WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH);SPI_Write_Buf(WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH);SPI_Write_Buf(WR_TX_PLOAD,tx_buf,TX_PLOAD_WIDTH);SPI_RW_Reg(WRITE_REG+CONFIG,0x0e);CE=1;DelayUs(15);CE=0;}/***********************RX_MODE接收函数***************************/ uchar nRF24L01_RxPacket(uchar *rx_buf){uchar revale=0;CE=1;DelayUs(130);sta=SPI_Read(STA TUS);if(RX_DR){CE=0;SPI_Read_Buf(RD_RX_PLOAD,rx_buf,TX_PLOAD_WIDTH);revale=1;}SPI_RW_Reg(WRITE_REG+STA TUS,sta);return revale;}/*******************************************/void nRF24L01_TX_Config(void){DelayUs(100);CE=0;CSN=1;SCK=0;SPI_RW_Reg(WRITE_REG+CONFIG,0x0e);SPI_RW_Reg(WRITE_REG+EN_RXADDR,0x01);SPI_RW_Reg(WRITE_REG+SETUP_RETR,0x1a);SPI_RW_Reg(WRITE_REG+RF_CH,40);SPI_RW_Reg(WRITE_REG+RF_SETUP,0x07);SPI_RW_Reg(WRITE_REG+RX_PW_P0,RX_PLOAD_WIDTH);SPI_Write_Buf(WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH);SPI_Write_Buf(WRITE_REG+RX_ADDR_P0,RX_ADDRESS,RX_ADR_WIDTH); CE=1;}/********************RX_MODE配置函数***********************/void nRF24L01_RX_Config(void){CE=0;CSN=1;SCK=0;SPI_RW_Reg(WRITE_REG+CONFIG,0x0f);SPI_RW_Reg(WRITE_REG+EN_AA,0x01);SPI_RW_Reg(WRITE_REG+EN_RXADDR,0x01);SPI_RW_Reg(WRITE_REG+RF_CH,40);SPI_RW_Reg(WRITE_REG+RF_SETUP,0x07);SPI_RW_Reg(WRITE_REG+RX_PW_P0,RX_PLOAD_WIDTH);SPI_Write_Buf(WRITE_REG+TX_ADDR,TX_ADDRESS,TX_ADR_WIDTH); SPI_Write_Buf(WRITE_REG+RX_ADDR_P0,TX_ADDRESS,TX_ADR_WIDTH); }/*********************向串口发送一个字符*************/void send_char_com( unsigned char ch){SBUF=ch;while (TI== 0);TI = 0 ;}/***********串口接收中断函数***************************/void serial () interrupt 4{if (RI){RI = 0 ;ch=SBUF;read_flag= 1 ; //就置位取数标志P1=ch;}}/******************************************/void main(void){InitLcd();nRF24L01_TX_Config();Inituart();while(1){if(read_flag==1){read_flag=0;Tx_Buf[0]=ch;DelayUs(10);//接收到COM的数据后启动nRF模块nRF24L01_TxPacket(Tx_Buf);DelayMs(10);send_char_com(ch);sta=SPI_Read(STA TUS);SPI_RW_Reg(WRITE_REG+STA TUS,sta);/*if(ch==0x01||ch==0x02||ch==0x03||ch==0x04){nRF24L01_RX_Config();while(1){if(nRF24L01_RxPacket(Rx_Buf)){ch=Rx_Buf[0];send_char_com(ch);ShowNum(ch);}}}*/}}// end of while}。