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/*----------------------------------------------------------
具备跳号跳频和跳址的nrf905的C51演示程序
----------------------------------------------------------*/
//#pragma src
#include <REGX52.h>
#include <stdio.h>
#include <absacc.h>
#include <intrins.h>
/*---------------------*/
#include <nrf905.h>
#include "hotins.h"
/*---------------------*/
#pragma NOAREGS void MainInit(void);//系统初始化
void SystemInit(void);//系统初始化
void SystemSetup(void);//系统设置
void SystemIoInit(void);//系统接口初始化
void TimeInit(void);//定时器定时参数设置
void UserSetup(void);//用户运行环境设置
void ClrWdt(void);//喂狗
void BeepSetup(unsigned char mode);//蜂鸣器发声模式设置
void Beep(void);//蜂鸣器发声驱动
void KeyInit(void);//键盘初始化
void KeyCommandExec(unsigned char commgroup, unsigned char commnum);//执行键盘命令 void Key00(void);//压键事件
void Key01(void);
void Key02(void);
void Key03(void); void Key10(void);//放键事件
void Key11(void);
void Key12(void);
void Key13(void); void Key20(void);//长键事件
void Key21(void);
void Key22(void);
void Key23(void); /*-----------------------------------------------
nrf905库函数定义
------------------------------------------------*/
unsigned char SpiReadWrite(unsigned char);
void WriteTXBuffer(const unsigned char[]);
unsigned char ReadStatus(void);
void nRFPowerUP(void);
void nRFInit(void);//无线模块初始化
unsigned char VerifynRFConfig(void);//校验配置nRF905
void WritenRFConfig(unsigned char[]);//写配置nRF905
void ReadnRFConfig(unsigned char[]);//读配置nRF905
void FastWritenRFConfig(unsigned char);//快速配置nRF905
void SetTxMode(void);//设置发送模式
void SetRxMode(void);//设置接收模式
void StartTx(void);//开始发送
void nRFReadWrite(void);//无线收发模块
data SystemData SystemBuffers;//申请系统数据结构
idata SioData SioBuffers;//申请系统数据结构
/*------------------------------------------------
SPI读写一体化函数SpiReadWrite()
入口参数:
val 写入命令或数据
出口参数:
R7 读出数据
------------------------------------------------*/
unsigned char SpiReadWrite(unsigned char val) using 0
{
unsigned char i;
ACC = val;
for (i = 8; i > 0; i --)
{
CY = MISO;//取数据SO
_rlca_();//存数据ACC.0读数据ACC.7同时进行，acc循环左移，acc.7移入cy(出)，cy(入)移到acc.0
MOSI = CY;//送数据SI
SCK = 1;//上升沿打入数据
_nop_();
SCK = 0;//下降沿读入数据(首次为假动作)
}
return ACC;
} /*------------------------------------------------
写入nRF905发送数据函数WriteTXBuffer()
入口参数:
buffer 发送数据包
出口参数:
无
------------------------------------------------*/
void WriteTXBuffer(const unsigned char buffer[]) using 0
{
unsigned char i;
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN=0;//打开SPI
SpiReadWrite(WTA);//写发送地址
for (i = 0; i < 4; i++)
{
SpiReadWrite(buffer); // Write 32 bytes Tx data
}
CSN=1;//关闭SPI
_nop_();
CSN=0; // Spi enable for write a spi command
SpiReadWrite(WTP); // Write payload command
for (i = 0; i < 32; i++)
{
SpiReadWrite(buffer); // Write 32 bytes Tx data
}
CSN=1; // Spi disable
TRX_CE = !TX_EN;//
} void FastWritenRFConfig(unsigned char low_ch_no) using 0
{
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN=0;//打开SPI
SpiReadWrite(CC | PA_PWR_10dBm | HFREQ_PLL_433MHz | CH_NO_BIT8);
SpiReadWrite(low_ch_no);//CH_NO
CSN=1; // Spi disable
TRX_CE = !TX_EN;//
} void StartTx(void) using 0
{
_nop_();
_nop_();
_nop_();
TRX_CE=1; // Set TRX_CE high,start Tx data transmission
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
TRX_CE=0; // Set TRX_CE low
} /*------------------------------------------------
读入nRF905状态函数ReadStatus()
入口参数:
无
出口参数:
nRF905状态字
------------------------------------------------*/
unsigned char ReadStatus(void) using 0
{
unsigned char val;
CSN = 0;//打开SPI
val = SpiReadWrite(RC);//读状态
CSN = 1;//关闭SPI
return val;//返回nRF905状态字
} void nRFPowerUP(void) using 0
{
CSN = 1;//关闭SPI
SCK = 0;//拉低时钟
DR = 1;//设置DR为输入方式
AM = 1;//设置AM为输入方式
PWR_UP = 1;// nRF905上电
TRX_CE = 0;//设置nRF905为待机方式
TX_EN = 0;//设置接收方式
}
void main(void)
{
// ReadnRFConfig(SystemBuffers.nRFTxBuff);
MainInit();//系统初始化
while (1) {//主循环
IE |= 0xb2;//保证中断可靠EA,ET2,ES,ET0
TCON |= 0x55;//保证定时器开
PCON |= SMOD_ + GF0_ + IDL_;//进入空闲状态并喂软件狗
_nop_();
_nop_();
}
} void MainInit(void) using 0//系统初始化
{
_start_();
ClrWdt();//清除看门狗计数器
SystemIoInit();//系统接口初始化
SystemInit();//系统上电初始化
SystemSetup();//系统运行环境设置
UserSetup();//用户运行环境设置
} void SystemInit(void) using 0//系统初始化
{
unsigned char i;
for (i = 0; i < 32; i ++) {
SioBuffers.SioTxBuff = 0;
SioBuffers.SioRxBuff = 0;
}
if (SystemBuffers.RamTest != 0x55aa) {//内存初始化
for (i = 0; i < 32; i ++) {
SystemBuffers.nRFTxBuff = 0;
SystemBuffers.nRFRxBuff = 0;
}
SystemBuffers.nRFRxBuff[0] = RX_ADDRESS_0;//本机地址
SystemBuffers.nRFRxBuff[1] = RX_ADDRESS_1;
SystemBuffers.nRFRxBuff[2] = RX_ADDRESS_2;
SystemBuffers.nRFRxBuff[3] = RX_ADDRESS_3;
SystemBuffers.nRFRxBuff = CH_NO_BYTE;
SystemBuffers.nRFTxBuff = CH_NO_BYTE;
SystemBuffers.RamTest = 0x55aa;
}
else {
}
} void SystemSetup(void) using 0//系统设置
{
TimeInit();
IP = 0x05;//中断优先级EX0>EX1>ET0>ET1
SystemBuffers.TestTime = 0;
SystemBuffers.WaitTime = 0;
} void TimeInit() using 0
{
// TCON = 0x55;//启动定时器
/*----------------------------------
定时器0定时参数设置
----------------------------------*/
TL0 = 0;
TH0 = 0;
TR0 = 1;//启动定时器0
/*----------------------------------
定时器1定时参数设置
----------------------------------*/
TMOD = 0x20; //timer1 working mode 1
TL1 = 0xfd; //f7=9600 for 16mhz Fosc,and ...
TH1 = 0xfd; //...fd=19200 for 11.0592mhz Fosc
SCON = 0xd8; //uart mode 3,ren==1
PCON = 0x80;
SioBuffers.SioTXCount = 0;//无发送数据
SioBuffers.SioRXCount = 32;//允许接收串口数据
TR1 = 1;//启动定时器1
/*----------------------------------
定时器2定时参数设置
----------------------------------*/
TIMEER2 = T2_5mS;
RCAP = T2_5mS;
TR2 = 1;//启动定时器2
} void nRFInit(void) using 0//无线模块初始化
{
do{
WritenRFConfig(SystemBuffers.nRFRxBuff);//配置nRF905
}
while(VerifynRFConfig());
SetRxMode();//设置接收模式
SystemBuffers.nRFTxCount = 0;//清空无线发送数据缓冲区
SystemBuffers.nRFRxCount = 0;//清空无线接收数据缓冲区
} void ReadnRFConfig(unsigned char rxaddr[]) using 0//读配置nRF905
{
unsigned char i;
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN = 0; // Spi enable for write a spi command
SpiReadWrite(RC); // Read config command
for (i = 10; i < 20; i ++) rxaddrIdea = SpiReadWrite(0xff);
CSN = 1; // Disable Spi
TRX_CE = !TX_EN;//
} void WritenRFConfig(unsigned char rxaddr[]) using 0//配置nRF905
{
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN = 0; // Spi enable for write a spi command
SpiReadWrite(WC); // Write config command
SpiReadWrite(rxaddr); //中心频率低8位
SpiReadWrite(PA_PWR_10dBm | HFREQ_PLL_433MHz); //发射+10dBm,发射频率433MHz,中心频率第9位=0
SpiReadWrite(TX_AFW_4BYTE | RX_AFW_4BYTE); //接收地址宽度4字节,发送地址宽度4字节
SpiReadWrite(RX_PW_32BYTE); //接收数据宽度32字节
SpiReadWrite(TX_PW_32BYTE); //发送数据宽度32字节
SpiReadWrite(rxaddr[0]); //接收有效地址第1字节
SpiReadWrite(rxaddr[1]); //接收有效地址第2字节
SpiReadWrite(rxaddr[2]); //接收有效地址第3字节
SpiReadWrite(rxaddr[3]); //接收有效地址第4字节
SpiReadWrite(CRC16_EN | XOF_16MHz); //CRC16模式使能,晶体振荡器频率16MHz
CSN = 1; // Disable Spi
TRX_CE = !TX_EN;//
} unsigned char VerifynRFConfig(void) using 0//校验配置nRF905
{
unsigned char error = 0;
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN = 0; // Spi enable for write a spi command
SpiReadWrite(RC); // Read config command
SpiReadWrite(0xff); //中心频率低8位
if (SpiReadWrite(0xff) != (PA_PWR_10dBm | HFREQ_PLL_433MHz)) error ++; //发射+10dBm,发射频率433MHz,中心频率第9位=0
if (SpiReadWrite(0xff) != (TX_AFW_4BYTE | RX_AFW_4BYTE)) error ++; //接收地址宽度4字节,发送地址宽度4字节
if (SpiReadWrite(0xff) != (RX_PW_32BYTE)) error ++; //接收数据宽度32字节
if (SpiReadWrite(0xff) != (TX_PW_32BYTE)) error ++; //发送数据宽度32字节
SpiReadWrite(0xff); //接收有效地址第1字节
SpiReadWrite(0xff); //接收有效地址第2字节
SpiReadWrite(0xff); //接收有效地址第3字节
SpiReadWrite(0xff); //接收有效地址第4字节
if (SpiReadWrite(0xff) != (CRC16_EN | XOF_16MHz)) error ++; //CRC16模式使能,晶体振荡器频率16MHz
CSN = 1; // Disable Spi
TRX_CE = !TX_EN;//
return error;
} /*******************************************************************************************/
//function SetTxMode();
/*******************************************************************************************/
void SetTxMode(void) using 0
{
_nop_();
_nop_();
_nop_();
TX_EN=1;
_nop_();
TRX_CE=0;
_nop_();
_nop_();
_nop_();
}
/*******************************************************************************************/
//function SetRxMode();
/*******************************************************************************************/
void SetRxMode(void) using 0
{
_nop_();
_nop_();
_nop_();
TX_EN=0;
_nop_();
TRX_CE=1;
//650uS
_nop_();
_nop_();
_nop_();
} void SystemIoInit(void) using 0
{
IE = 0x00;//关闭中断
P2 = 0x9d;//P2口初始化
P0 = 0xff;//P0口初始化
P1 = 0xff;//P1口初始化
P3 = 0xff;//P3口初始化
// nRFPowerUP();
} void UserSetup(void) using 0//用户运行环境设置
{
KeyInit();//键盘初始化
nRFInit();//无线模块初始化
SystemBuffers.TimeCount = 0;
} void ClrWdt(void) using 0//喂狗
{
WDTRST = 0x1e;//89s52内狗
WDTRST = 0xe1;//89s52内狗
} /*------------------------------------
定时器T0中断服务程序
------------------------------------*/
void t0proc() interrupt TF0_VECTOR using 1
{
} /*------------------------------------
定时器T1中断服务程序
------------------------------------*/
void t1proc() interrupt TF1_VECTOR using 1
{
} /*------------------------------------
定时器T2中断服务程序(5mS)
------------------------------------*/
void t2proc() interrupt TF2_VECTOR using 0
{
unsigned char key;
code unsigned char KeyPosTab[] = {0x01, 0x02, 0x04, 0x08};
TF2 = 0;
if (PCON & GF0_) {//中断是从主循环内跳入的才能喂狗
ClrWdt();//清除看门狗计数器
PCON &= ~GF0_;//清除标志
}
key = ~P0;//接收键盘数据每次可取多键)
if (key & KeyPosTab[SystemBuffers.TimeCount & 0x03]) {//有键压下(每次只取1键以实现“零耗时消除键盘抖动”)
SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] ++;//压键计数
if (SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] == 2) {//短压键
SystemBuffers.WaitTime = 0;
KeyCommandExec(0, SystemBuffers.TimeCount & 0x03);//单击键Key00()~Key03()
}
else if (SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] >= SysPushKeyTime) {//长压键150 * 20mS = 3。0S
SystemBuffers.WaitTime = 0;
KeyCommandExec(2, SystemBuffers.TimeCount & 0x03);//长压键Key20()~Key23()
SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] = 3;//清除长压键计数器(躲过单击键)
}
}
else {//无键压下(包括放键)
if (SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] >= 2) {//放键事件
SystemBuffers.WaitTime = 0;
KeyCommandExec(1, SystemBuffers.TimeCount & 0x03);//键释放Key10()~Key13()
}
else {
nRFReadWrite();//无线收发模块
}
SystemBuffers.KeyCount[SystemBuffers.TimeCount & 0x03] = 0;//清除压键计数器
}
SystemBuffers.TimeCount++;//继续下1个5mS延时
if ((SystemBuffers.TimeCount & ~0x80) >= 100){//5mS*100=500mS
SystemBuffers.WaitTime ++;
if (SystemBuffers.WaitTime >= SysWaitTime) {//0.5*20=10S
P0 = 0xff;//关显示
SystemBuffers.WaitTime = 0;
}
SystemBuffers.TimeCount &= 0x80;
SystemBuffers.TimeCount ^= 0x80;//取反闪烁位
}
} /*------------------------------------*/
void sioproc() interrupt SIO_VECTOR using 1
{
unsigned char i;
if (RI) {//接收中断
RI = 0;
if (SioBuffers.SioRXCount && (SioBuffers.SioRXCount <= 32)) {//允许串口接收数据
SioBuffers.SioRxBuff[32 - SioBuffers.SioRXCount] = SBUF;
SioBuffers.SioRXCount --;
if (SioBuffers.SioRXCount == 0) {
for (i = 0; i < 32; i ++) {
SioBuffers.SioTxBuff = SioBuffers.SioRxBuff;//自收自发
SystemBuffers.nRFTxBuff = SioBuffers.SioTxBuff;//更新无线发送数据
}
/*
switch(SystemBuffers.nRFTxBuff[9]) {
case 0x81: LED0 = 0;break;
case 0x82: LED1 = 0;break;
case 0x83: LED2 = 0;break;
case 0x84: LED3 = 0;break;
case 0x03: LED2 = 0;break;
case 0x04: LED3 = 0;break;
}
*/
SioBuffers.SioRXCount = 32;//串口接收缓冲区满
SioBuffers.SioTXCount = 32;//串口发送缓冲区满
TI = 1;//立即发送
SystemBuffers.nRFTxCount = 32;//要求间接无线发送
}
}
else SioBuffers.SioRXCount = 0;//不允许串口接收数据
}
if (TI) {//发送中断
TI = 0;
if (SioBuffers.SioTXCount && (SioBuffers.SioTXCount <= 32)) {//允许串口发送数据
SBUF = SioBuffers.SioTxBuff[32 - SioBuffers.SioTXCount];//串口显示
SioBuffers.SioTXCount --;
}
else SioBuffers.SioTXCount = 0;//不允许串口发送数据
}
}
//执行键盘命令
void KeyCommandExec(unsigned char commgroup, unsigned char commnum) using 0
{
unsigned int i;
unsigned key;
code void *KeyArray[3][4] = {//二维函数数组指针阵列表(散转命令地址表)
{(void *)Key00 + 0x5b7d, (void *)Key01 + 0xa6ea, (void *)Key02 + 0xf157, (void *)Key03 + 0x4cc4},
{(void *)Key10 + 0x9731, (void *)Key11 + 0xe2ae, (void *)Key12 + 0x3d1b, (void *)Key13 + 0x8888},
{(void *)Key20 + 0xd3f5, (void *)Key21 + 0x2e62, (void *)Key22 + 0x79df, (void *)Key23 + 0xc44c}
};
if ((commgroup < 3) && (commnum < 4)) {
ClrWdt();//清除看门狗计数器
key = commgroup * 4 + commnum + 1;
i = ((key * 53 & 0xf) * 0x1000)+ ((key * 43 & 0xf) * 0x100) + ((key * 23 & 0xf) * 0x10) + (key * 13 & 0xf);
_icall_((void *)KeyArray[commgroup][commnum] - i);//键盘命令散转
}
}
void BeepSetup(unsigned char mode)
{
// BeepBuffers.BeepCount = 1;
// BeepBuffers.BeepMode = mode;
// BeepBuffers.BeepValue = mode;
}
/*----------------------------------
蜂鸣器100mS发声程序
----------------------------------*/
void Beep(void)//蜂鸣器发声
{
// BeepBuffers.BeepCount --;
// if (BeepBuffers.BeepCount == 0){
// BeepBuffers.BeepCount = 0;
// BeepBuffers.BeepValue = BeepBuffers.BeepMode;
// if (BeepBuffers.BeepValue >= 0x80)//单声
// BeepBuffers.BeepMode = 0; //单声清除
// }
// BeepBuffers.BeepValue <<= 1;
// CY = ~CY; //硬件反向
// BeepOut = CY;//发声
}
void KeyInit(void) using 0//键盘初始化
{
unsigned char i;
for (i = 0; i < 4; i++){
SystemBuffers.KeyCount = 0;//清除键盘压键次数缓冲区
}
} //收发无线读写模块
void nRFReadWrite(void)
{
unsigned char i;
unsigned int t;
if (!TX_EN && DR && AM) {//收到数据
ClrWdt();
TRX_CE = 0;//设置nRF905为待机方式
_nop_();
CSN=0; // Spi enable for write a spi command
SpiReadWrite(RRP); // Read payload command
for (i = 0; i < 32; i++)
{
SystemBuffers.nRFRxBuff=SpiReadWrite(0xff);//读入无线接收缓冲区
}
CSN=1; // Disable spi
TRX_CE = !TX_EN;//再回到原来的无线收发模式
// TRX_CE = 1;//再回到接收模式
switch(SystemBuffers.nRFRxBuff[9]) {
case 0x81: LED0 = 0;break;
case 0x82: LED1 = 0;break;
case 0x83: LED2 = 0;break;
case 0x84: LED3 = 0;break;
case 0x01: LED0 = 0;break;
case 0x02: LED1 = 0;break;
case 0x03: LED2 = 0;break;
case 0x04: LED3 = 0;break;
}
SystemBuffers.WaitTime = 0;
while(DR || AM);
SystemBuffers.nRFRxCount = 32;//收到32个字节数据
if (SioBuffers.SioTXCount == 0){//串口数据已发送完
for (i = 0; i < 32; i ++)
SioBuffers.SioTxBuff = SystemBuffers.nRFRxBuff;//串口显示
SioBuffers.SioTXCount = 32;//发送32个字节的显示数据
TI = 1;//立即显示
}
}
else if(!CD && (SystemBuffers.nRFRxCount == 32)) {//接收命令处理
SystemBuffers.nRFRxCount = 0;
for (i = 0; i < 4; i ++)
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[i + 4];//写入串口接收缓冲区
for (i = 4; i < 8; i ++)
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[i - 4];//写入串口接收缓冲区
for (i = 8; i < 32; i ++)
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff;//写入串口接收缓冲区
if (SystemBuffers.nRFRxBuff[9] == 0x80) {//系统消息请求
SystemBuffers.nRFTxBuff[9] = 0x00;//主机系统消息应答
ReadnRFConfig(SystemBuffers.nRFTxBuff);
SystemBuffers.nRFTxCount = 32;//主机要求间接无线发送
}
else if (SystemBuffers.nRFRxBuff[9] == 0x81) {//子机请求
// LED0 = 0;//主机灯亮
SystemBuffers.nRFTxBuff[9] = 0x01;//主机应答
SystemBuffers.nRFTxBuff[10] = 0x20;
SystemBuffers.nRFTxBuff[11] = 0x04;
SystemBuffers.nRFTxBuff[12] = 0x10;
SystemBuffers.nRFTxBuff[13] = 0x18;
SystemBuffers.nRFTxBuff[14] = 0x11;
SystemBuffers.nRFTxBuff[15] = 0x28;
SystemBuffers.nRFTxCount = 32;//主机要求间接无线发送
}
else if (SystemBuffers.nRFRxBuff[9] == 0x82) {//子机请求
// LED1 = 0;//主机灯亮
SystemBuffers.nRFTxBuff[9] = 0x02;//主机应答
SystemBuffers.nRFTxBuff[10] = 0x20;
SystemBuffers.nRFTxBuff[11] = 0x04;
SystemBuffers.nRFTxBuff[12] = 0x10;
SystemBuffers.nRFTxBuff[13] = 0x26;
SystemBuffers.nRFTxBuff[14] = 0x21;
SystemBuffers.nRFTxBuff[15] = 0x09;
SystemBuffers.nRFTxCount = 32;//主机要求间接无线发送
}
else if (SystemBuffers.nRFRxBuff[9] == 0x83) {//子机变址请求
// LED2 = 0;//主机变址灯亮
SystemBuffers.nRFTxBuff[9] = 0x03;//主机变址应答
SystemBuffers.nRFTxBuff[10] = TH0;//
SystemBuffers.nRFTxBuff[11] = TL0;
SystemBuffers.nRFTxBuff[12] = SystemBuffers.WaitTime;
SystemBuffers.nRFTxBuff[13] = SystemBuffers.TimeCount;
SystemBuffers.nRFTxCount = 32;//主机要求间接无线发送
}
else if (SystemBuffers.nRFRxBuff[9] == 0x84) {//子机跳频请求
// LED3 = 0;//主机跳频灯亮
SystemBuffers.nRFTxBuff[9] = 0x04;//主机跳频应答
SystemBuffers.nRFTxBuff[10] = SystemBuffers.nRFTxBuff + 1;//主机跳频
SystemBuffers.nRFTxCount = 32;//主机要求间接无线发送
}
else if (SystemBuffers.nRFRxBuff[9] == 0x03) {//主机变址应答
LED2 = 0;//子机变址灯亮
SystemBuffers.nRFRxBuff[0] = SystemBuffers.nRFRxBuff[10];//改写接收地址第1字节
SystemBuffers.nRFRxBuff[1] = SystemBuffers.nRFRxBuff[11];//改写接收地址第2字节
SystemBuffers.nRFRxBuff[2] = SystemBuffers.nRFRxBuff[12];//改写接收地址第3字节
SystemBuffers.nRFRxBuff[3] = SystemBuffers.nRFRxBuff[13];//改写接收地址第4字节
WritenRFConfig(SystemBuffers.nRFRxBuff);//子机重新配置nRF905接收地址
}
else if (SystemBuffers.nRFRxBuff[9] == 0x04) {//主机跳频应答
// LED3 = 0;//子机跳频灯亮
SystemBuffers.nRFRxBuff = SystemBuffers.nRFRxBuff[10];
FastWritenRFConfig(SystemBuffers.nRFRxBuff);//快速配置nRF905,子机跳频
}
}
else if (!CD && (SystemBuffers.nRFTxCount == 32)) {//要求间接无线发送(发送命令处理)
SetTxMode();//设置发送模式
WriteTXBuffer(SystemBuffers.nRFTxBuff);
ClrWdt();//清除看门狗计数器
StartTx();//开始发送
SystemBuffers.nRFTxCount = 0;//结束发送模式
if (SystemBuffers.nRFTxBuff[9] == 0x03) {//主机变址应答 SystemBuffers.nRFRxBuff[4] = SystemBuffers.nRFTxBuff[10];//改写呼叫地址第1字节
SystemBuffers.nRFRxBuff[5] = SystemBuffers.nRFTxBuff[11];//改写呼叫地址第2字节
SystemBuffers.nRFRxBuff = SystemBuffers.nRFTxBuff[12];//改写呼叫地址第3字节
SystemBuffers.nRFRxBuff[7] = SystemBuffers.nRFTxBuff[13];//改写呼叫地址第4字节
} else if (SystemBuffers.nRFTxBuff[9] == 0x04) {//主机跳频应答
SystemBuffers.nRFRxBuff = SystemBuffers.nRFTxBuff[10];//工作频率低8位
for (t = 0; t < 2500; t ++);//延时,等待发送结束
FastWritenRFConfig(SystemBuffers.nRFRxBuff);//快速配置nRF905,主机跳频
}
SetRxMode();//设置接收模式
}
} //键
void Key00(void) using 0
{
unsigned char i;
if (SystemBuffers.nRFTxCount == 0) {//无线发送缓冲区为空
SystemBuffers.nRFTxBuff[0] = SystemBuffers.nRFRxBuff[4];//呼叫地址第1字节
SystemBuffers.nRFTxBuff[1] = SystemBuffers.nRFRxBuff[5];//呼叫地址第2字节
SystemBuffers.nRFTxBuff[2] = SystemBuffers.nRFRxBuff;//呼叫地址第3字节
SystemBuffers.nRFTxBuff[3] = SystemBuffers.nRFRxBuff[7];//呼叫地址第4字节 SystemBuffers.nRFTxBuff[4] = SystemBuffers.nRFRxBuff[0];//本机地址第1字节
SystemBuffers.nRFTxBuff[5] = SystemBuffers.nRFRxBuff[1];//本机地址第2字节
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[2];//本机地址第3字节
SystemBuffers.nRFTxBuff[7] = SystemBuffers.nRFRxBuff[3];//本机地址第4字节 SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff;//工作频率低8位 SystemBuffers.nRFTxBuff[9] = 0x81;//请求命令
for (i = 10; i < 32; i ++) SystemBuffers.nRFTxBuff = 0;
SystemBuffers.nRFTxCount = 32;//要求间接无线发送
for (i = 0; i < 32; i ++) SioBuffers.SioTxBuff = SystemBuffers.nRFTxBuff;
SioBuffers.SioTXCount = 32;//要求间接串口发送
TI = 1;//送串口显示
// LED0 = 0;//压键灯亮
}
} //键
void Key01(void) using 0
{
unsigned char i;
if (SystemBuffers.nRFTxCount == 0) {//无线发送缓冲区为空
SystemBuffers.nRFTxBuff[0] = SystemBuffers.nRFRxBuff[4];//呼叫地址第1字节
SystemBuffers.nRFTxBuff[1] = SystemBuffers.nRFRxBuff[5];//呼叫地址第2字节
SystemBuffers.nRFTxBuff[2] = SystemBuffers.nRFRxBuff;//呼叫地址第3字节
SystemBuffers.nRFTxBuff[3] = SystemBuffers.nRFRxBuff[7];//呼叫地址第4字节 SystemBuffers.nRFTxBuff[4] = SystemBuffers.nRFRxBuff[0];//本机地址第1字节
SystemBuffers.nRFTxBuff[5] = SystemBuffers.nRFRxBuff[1];//本机地址第2字节
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[2];//本机地址第3字节
SystemBuffers.nRFTxBuff[7] = SystemBuffers.nRFRxBuff[3];//本机地址第4字节 SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff;//工作频率低8位 SystemBuffers.nRFTxBuff[9] = 0x82;//请求
for (i = 10; i < 32; i ++) SystemBuffers.nRFTxBuff = 0;
SystemBuffers.nRFTxCount = 32;//要求间接无线发送
for (i = 0; i < 32; i ++) SioBuffers.SioTxBuff = SystemBuffers.nRFTxBuff;
SioBuffers.SioTXCount = 32;//要求间接串口发送
TI = 1;//送串口显示
// LED1 = 0;//压键灯亮
}
} void Key02(void) using 0
{
unsigned char i;
if (SystemBuffers.nRFTxCount == 0) {//无线发送缓冲区为空
SystemBuffers.nRFTxBuff[0] = SystemBuffers.nRFRxBuff[4];//呼叫地址第1字节
SystemBuffers.nRFTxBuff[1] = SystemBuffers.nRFRxBuff[5];//呼叫地址第2字节
SystemBuffers.nRFTxBuff[2] = SystemBuffers.nRFRxBuff;//呼叫地址第3字节
SystemBuffers.nRFTxBuff[3] = SystemBuffers.nRFRxBuff[7];//呼叫地址第4字节 SystemBuffers.nRFTxBuff[4] = SystemBuffers.nRFRxBuff[0];//本机地址第1字节
SystemBuffers.nRFTxBuff[5] = SystemBuffers.nRFRxBuff[1];//本机地址第2字节
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[2];//本机地址第3字节
SystemBuffers.nRFTxBuff[7] = SystemBuffers.nRFRxBuff[3];//本机地址第4字节 SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff;//工作频率低8位 SystemBuffers.nRFTxBuff[9] = 0x83;//变址请求
for (i = 10; i < 32; i ++) SystemBuffers.nRFTxBuff = 0;
SystemBuffers.nRFTxCount = 32;//要求间接无线发送
for (i = 0; i < 32; i ++) SioBuffers.SioTxBuff = SystemBuffers.nRFTxBuff;
SioBuffers.SioTXCount = 32;//要求间接串口发送
TI = 1;//送串口显示
// LED2 = 0;//压键灯亮
}
} void Key03(void) using 0
{
unsigned char i;
if (SystemBuffers.nRFTxCount == 0) {//无线发送缓冲区为空
SystemBuffers.nRFTxBuff[0] = SystemBuffers.nRFRxBuff[4];//呼叫地址第1字节
SystemBuffers.nRFTxBuff[1] = SystemBuffers.nRFRxBuff[5];//呼叫地址第2字节
SystemBuffers.nRFTxBuff[2] = SystemBuffers.nRFRxBuff;//呼叫地址第3字节
SystemBuffers.nRFTxBuff[3] = SystemBuffers.nRFRxBuff[7];//呼叫地址第4字节 SystemBuffers.nRFTxBuff[4] = SystemBuffers.nRFRxBuff[0];//本机地址第1字节
SystemBuffers.nRFTxBuff[5] = SystemBuffers.nRFRxBuff[1];//本机地址第2字节
SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff[2];//本机地址第3字节
SystemBuffers.nRFTxBuff[7] = SystemBuffers.nRFRxBuff[3];//本机地址第4字节 SystemBuffers.nRFTxBuff = SystemBuffers.nRFRxBuff;//工作频率低8位 SystemBuffers.nRFTxBuff[9] = 0x84;//跳频请求
for (i = 10; i < 32; i ++) SystemBuffers.nRFTxBuff = 0;
SystemBuffers.nRFTxCount = 32;//要求间接无线发送
for (i = 0; i < 32; i ++) SioBuffers.SioTxBuff = SystemBuffers.nRFTxBuff;
SioBuffers.SioTXCount = 32;//要求间接串口发送
TI = 1;//送串口显示
// LED3 = 0;//压键灯亮
}
} void Key10(void) using 0
{
LED0 = 1;//放键灭灯
} void Key11(void) using 0
{
LED1 = 1;//放键灭灯
} void Key12(void) using 0
{
LED2 = 1;//放键灭灯
} void Key13(void) using 0
{
LED3 = 1;//放键灭灯
} void Key20(void) using 0
{
LED0 = 1;//长压键灭灯
Key00();//连发
} void Key21(void) using 0
{
LED0 = 1;//长压键灭灯
Key01();//连发
} void Key22(void) using 0
{
LED0 = 1;//长压键灭灯
Key02();//连发
} void Key23(void) using 0
{
LED0 = 1;//长压键灭灯
Key03();//连发
} ============================================= *----------------------------------------------------------
具备跳号跳频和跳址的nrf905的C51演示程序nrf905.h
HotPower@126.com 2006.6.6 于大雁塔村队部
----------------------------------------------------------*/ #define nRFMainDev //主设备 //#define SysWaitTime 20//0.5*20=10S不压键停止闪烁
#define SysWaitTime 6//0.5*20=3S不压键停止闪烁
#define SysPushKeyTime 150//长压键150 * 20mS = 3。0S #define T2_5mS -921.6*5//5ms 12MHz
/*------------------------------------------------
AT89S5X
--------------------------------------------------*/
sfr AUXR = 0x8e;
sfr WDTRST = 0xa6;
sfr16 TIMEER2 = 0xcc;
sfr16 RCAP = 0xca; //全局变量定义
typedef struct Systemstruct{//系统数据结构
// unsigned char SystemFlage;//系统标志
unsigned char TimeCount;
unsigned int RamTest;
unsigned char TestTime;
unsigned char WaitTime;
unsigned char KeyCount[4];
unsigned char nRFTxCount;
unsigned char nRFRxCount;
unsigned char nRFTxBuff[32];
unsigned char nRFRxBuff[32];
}SystemData; //全局变量定义
typedef struct Siostruct{//系统数据结构
unsigned char SioTxBuff[32];
unsigned char SioRxBuff[32];
unsigned char SioTXCount;
unsigned char SioRXCount;
}SioData;
/*-----------------------------------------------
nrf905管脚定义
------------------------------------------------*/
sbit TX_EN = P2^6;//0
sbit TRX_CE = P2^5;//0
sbit PWR_UP = P2^4;//1
sbit MISO = P2^3;//1
sbit MOSI = P2^2;//1
sbit SCK = P2^1;//0
sbit CSN = P2^0;//1 sbit AM = P3^2;//1
sbit DR = P3^3;//1
sbit CD = P3^5;//1 sbit KEY0 = P0^0;
sbit KEY1 = P0^1;
sbit KEY2 = P0^2;
sbit KEY3 = P0^3;
sbit LED0 = P0^4;
sbit LED1 = P0^5;
sbit LED2 = P0^6;
sbit LED3 = P0^7;
#define Status_AM 0x80
#define Status_DR 0x20 /*-----------------------------------------------
nrf905命令控制字
------------------------------------------------*/
#define WC 0x00 // Write configuration register command
#define RC 0x10 // Read configuration register command
#define WTP 0x20 // Write TX Payload command
#define RTP 0x21 // Read TX Payload command
#define WTA 0x22 // Write TX Address command
#define RTA 0x23 // Read TX Address command
#define RRP 0x24 // Read RX Payload command
#define CC 0x80 // fast config /*-------------------------------------------------------------------------------------------
nrf905配置寄存器(10Byte)
工作频率f=(422.4+CH_NO/10)*(1+HFREQ_PLL)MHz
-------------------------------------------------------------------------------------------*/
#ifdef nRFMainDev
#define RX_ADDRESS 0x00000000
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