CC1101接收程序及相关电路图

CC1101接收程序及相关电路图CC1101接收程序及相关电路图相关电路 #include"main.h" #include"cc1101.h" #include"lcd1602.h" void main(void) { int i; UCHAR leng =0; //待接收字节长度 UCHAR TxBuf[8]={0}; // 8字节, 如果需要更长的数据包,请正确设置 UCHAR RxBuf[8]={0}; //接收缓存区 InitLcd1602(); WriteAddressLcd1602(1,0); Writ...

CC1101接收程序及相关电路图相关电路 #include"main.h" #include"cc1101.h" #include"lcd1602.h" void main(void) { int i; UCHAR leng =0; //待接收字节长度 UCHAR TxBuf[8]={0}; // 8字节, 如果需要更长的数据包,请正确设置 UCHAR RxBuf[8]={0}; //接收缓存区 InitLcd1602(); WriteAddressLcd1602(1,0); WriteCharForLCD1602("The CC1101 Test!"); WriteAddressLcd1602(2,0); WriteCharForLCD1602("Design by XuJie!"); Delaynms(6000); ClearLcd1602(); CpuInit(); POWER_UP_RESET_CC1100(); halRfWriteRfSettings(); halSpiWriteBurstReg(CCxxx0_PATABLE, PaTabel, 8); TxBuf[0] = 1 ; TxBuf[1] = 1 ; TxBuf[2] = 1 ; TxBuf[3] = 1 ; TxBuf[4] = 1 ; TxBuf[2] = 1 ; TxBuf[6] = 1 ; TxBuf[7] = 1 ; halRfSendPacket(TxBuf,8); // Transmit Tx buffer data delay(6000); InitTimer0(); // 显示格式 // Bulb overturn at // ***** SEC later! WriteAddressLcd1602(1,0); WriteCharForLCD1602("Bulb overturn at"); WriteAddressLcd1602(2,6); WriteCharForLCD1602("SEC later!"); while(1) { led = 1; //指示灯一直熄灭，只有接收到数据时才闪烁 leng =8; // 预计接受8 bytes ResultToDisplay(SetTime); WriteAddressLcd1602(2,0); for(i=0;i<5;i++) WriteLcd1602(1,DisplayResult[i]); if(halRfReceivePacket(RxBuf,&leng)) { if( RxBuf[1]==1) //确认，开始灭定时 { led = 0; TR0 = 0; TR1 = 1; } if( RxBuf[2]==1) { //确认，开始亮定时 led = 0; TR0 = 1; TR1 = 0; } if( RxBuf[3]==1) //时间加 { led = 0; SetTime ++; } if( RxBuf[4]==1) //时间减 { led = 0; SetTime --; } if( RxBuf[5]==1) //灯亮 { led = 0; bulb = 0; } if( RxBuf[6]==1) //灯灭 { led = 0; bulb = 1; } delay(1000); } RxBuf[1] = 0xff; // 接收正确数据后复位数据，防止旧数据对新数据影响 RxBuf[2] = 0xff; RxBuf[3] = 0xff; RxBuf[4] = 0xff; RxBuf[5] = 0xff; RxBuf[6] = 0xff; } } /*--------------------------------------------- 定时器0函数:控制灯定时一定时间后点亮 ---------------------------------------------*/ void Timer0() interrupt 1 { TH0 = (65536-50000)/256; //50ms定时，定时20次，12M晶振约为1s TL0 = (65536-50000)%256; count0 ++; if(20==count0) { count0 = 0; time0 ++; if(time0==SetTime) { time0 = 0; led = 0; bulb = 0; //定时时间到，灯亮 } } } /*--------------------------------------------- 定时器1函数 :控制灯点亮时定时一段时间后熄灭 ---------------------------------------------*/ void Timer1() interrupt 3 { TH1 = (65536-50000)/256; //50ms定时，定时20次，12M晶振约为1s TL1 = (65536-50000)%256; count1 ++; if(20==count1) { count1 = 0; time1 ++; if(time1==SetTime) { time1 = 0; led = 0; bulb = 1; //定时时间到，灯灭 } } } #ifndef _MAIN_H_ #define _MAIN_H_ #include #include #include //宏定义 #define UCHAR unsigned char #define UINT unsigned int #define ULONG unsigned long sbit led=P2^2; //LED指示灯，每接收到字节闪烁一次 p sbit bulb = P2^0; int SetTime = 0; //定时时间，单位:s int count0,count1,time0,time1; //定时器中断内部变量 UCHAR DisplayResult[5]; //全局显示结果数组 /************************************************** 函数功能:延时函数:延时nms 入口参数:y ms ***************************************************/ void Delaynms(UINT y) { UINT x; for(;y>0;y--) for(x=110;x>0;x--); } /************************************************** 函数功能:将长整型数据转换为字符数组形式以待显示 ***************************************************/ void ResultToDisplay(int dat) { DisplayResult[4] = dat%10+0x30; DisplayResult[3] = dat%100/10+0x30; DisplayResult[2] = dat%1000/100+0x30; DisplayResult[1] = dat%10000/1000+0x30; DisplayResult[0] = dat%100000/10000+0x30; } /*--------------------------------------------- 定时初始函数:初始值50000=50ms 定时器0 ---------------------------------------------*/ void InitTimer0() { TMOD = 0x11; //定时器0，定时器1工作方式1 TH0 = (65536-50000)/256; //定时器0装初值 TL0 = (65536-50000)%256; TH1 = (65536-50000)/256; //定时器1装初值 TL1 = (65536-50000)%256; EA = 1; //开总中断 ET0 = 1; //开Timer0中断 ET1 = 1; } #endif #ifndef _CC1101_H_ #define _CC1101_H_ #define WRITE_BURST 0x40 //连续写入 #define READ_SINGLE 0x80 //读 #define READ_BURST 0xC0 //连续读 #define BYTES_IN_RXFIFO 0x7F //接收缓冲区的有效字节数 #define CRC_OK 0x80 //CRC校验通过位标志 //*********************************** CC1100接口 ************************************************* sbit GDO0 =P1^6; sbit GDO2 =P1^5; sbit MISO =P1^2; sbit MOSI =P1^3; sbit SCK =P1^4; sbit CSN =P1^1; //***********************************按键 ******************************************************** //sbit KEY1 =P0^0; //sbit KEY2 =P0^1; //***********************************数码管位选 ************************************************** //sbit led3=P2^0; //sbit led2=P2^1; //sbit led1=P2^2; //sbit led0=P2^3; //***********************************蜂鸣器 ******************************************************* //sbit BELL=P3^4; //***************更多功率参数设置可详细参考DATACC1100英文文档中第48-49页的参数表 ****************** //UCHAR PaTabel[8] = {0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04 ,0x04}; //-30dBm 功率最小 UCHAR PaTabel[8] = {0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60}; //0dBm //UCHAR PaTabel[8] = {0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0 ,0xC0}; //10dBm 功率最大 //***************************************************************************** ****************** void SpiInit(void); void CpuInit(void); void RESET_CC1100(void); void POWER_UP_RESET_CC1100(void); void halSpiWriteReg(UCHAR addr, UCHAR value); void halSpiWriteBurstReg(UCHAR addr, UCHAR *buffer, UCHAR count); void halSpiStrobe(UCHAR strobe); UCHAR halSpiReadReg(UCHAR addr); void halSpiReadBurstReg(UCHAR addr, UCHAR *buffer, UCHAR count); UCHAR halSpiReadStatus(UCHAR addr); void halRfWriteRfSettings(void); void halRfSendPacket(UCHAR *txBuffer, UCHAR size); UCHAR halRfReceivePacket(UCHAR *rxBuffer, UCHAR *length); //***************************************************************************************** // CC1100 STROBE, CONTROL AND STATUS REGSITER #define CCxxx0_IOCFG2 0x00 // GDO2 output pin configuration #define CCxxx0_IOCFG1 0x01 // GDO1 output pin configuration #define CCxxx0_IOCFG0 0x02 // GDO0 output pin configuration #define CCxxx0_FIFOTHR 0x03 // RX FIFO and TX FIFO thresholds #define CCxxx0_SYNC1 0x04 // Sync word, high UCHAR #define CCxxx0_SYNC0 0x05 // Sync word, low UCHAR #define CCxxx0_PKTLEN 0x06 // Packet length #define CCxxx0_PKTCTRL1 0x07 // Packet automation control #define CCxxx0_PKTCTRL0 0x08 // Packet automation control #define CCxxx0_ADDR 0x09 // Device address #define CCxxx0_CHANNR 0x0A // Channel number #define CCxxx0_FSCTRL1 0x0B // Frequency synthesizer control #define CCxxx0_FSCTRL0 0x0C // Frequency synthesizer control #define CCxxx0_FREQ2 0x0D // Frequency control word, high UCHAR #define CCxxx0_FREQ1 0x0E // Frequency control word, middle UCHAR #define CCxxx0_FREQ0 0x0F // Frequency control word, low UCHAR #define CCxxx0_MDMCFG4 0x10 // Modem configuration #define CCxxx0_MDMCFG3 0x11 // Modem configuration #define CCxxx0_MDMCFG2 0x12 // Modem configuration #define CCxxx0_MDMCFG1 0x13 // Modem configuration #define CCxxx0_MDMCFG0 0x14 // Modem configuration #define CCxxx0_DEVIATN 0x15 // Modem deviation setting #define CCxxx0_MCSM2 0x16 // Main Radio Control State Machine configuration #define CCxxx0_MCSM1 0x17 // Main Radio Control State Machine configuration #define CCxxx0_MCSM0 0x18 // Main Radio Control State Machine configuration #define CCxxx0_FOCCFG 0x19 // Frequency Offset Compensation configuration #define CCxxx0_BSCFG 0x1A // Bit Synchronization configuration #define CCxxx0_AGCCTRL2 0x1B // AGC control #define CCxxx0_AGCCTRL1 0x1C // AGC control #define CCxxx0_AGCCTRL0 0x1D // AGC control #define CCxxx0_WOREVT1 0x1E // High UCHAR Event 0 timeout #define CCxxx0_WOREVT0 0x1F // Low UCHAR Event 0 timeout #define CCxxx0_WORCTRL 0x20 // Wake On Radio control #define CCxxx0_FREND1 0x21 // Front end RX configuration #define CCxxx0_FREND0 0x22 // Front end TX configuration #define CCxxx0_FSCAL3 0x23 // Frequency synthesizer calibration #define CCxxx0_FSCAL2 0x24 // Frequency synthesizer calibration #define CCxxx0_FSCAL1 0x25 // Frequency synthesizer calibration #define CCxxx0_FSCAL0 0x26 // Frequency synthesizer calibration #define CCxxx0_RCCTRL1 0x27 // RC oscillator configuration #define CCxxx0_RCCTRL0 0x28 // RC oscillator configuration #define CCxxx0_FSTEST 0x29 // Frequency synthesizer calibration control #define CCxxx0_PTEST 0x2A // Production test #define CCxxx0_AGCTEST 0x2B // AGC test #define CCxxx0_TEST2 0x2C // Various test settings #define CCxxx0_TEST1 0x2D // Various test settings #define CCxxx0_TEST0 0x2E // Various test settings // Strobe commands #define CCxxx0_SRES 0x30 // Reset chip. #define CCxxx0_SFSTXON 0x31 // Enable and calibrate frequency synthesizer (if MCSM0.FS_AUTOCAL=1). // If in RX/TX: Go to a wait state where only the synthesizer is // running (for quick RX / TX turnaround). #define CCxxx0_SXOFF 0x32 // Turn off crystal oscillator. #define CCxxx0_SCAL 0x33 // Calibrate frequency synthesizer and turn it off // (enables quick start). #define CCxxx0_SRX 0x34 // Enable RX. Perform calibration first if coming from IDLE and // MCSM0.FS_AUTOCAL=1. #define CCxxx0_STX 0x35 // In IDLE state: Enable TX. Perform calibration first if // MCSM0.FS_AUTOCAL=1. If in RX state and CCA is enabled: // Only go to TX if channel is clear. #define CCxxx0_SIDLE 0x36 // Exit RX / TX, turn off frequency synthesizer and exit // Wake-On-Radio mode if applicable. #define CCxxx0_SAFC 0x37 // Perform AFC adjustment of the frequency synthesizer #define CCxxx0_SWOR 0x38 // Start automatic RX polling sequence (Wake-on-Radio) #define CCxxx0_SPWD 0x39 // Enter power down mode when CSn goes high. #define CCxxx0_SFRX 0x3A // Flush the RX FIFO buffer. #define CCxxx0_SFTX 0x3B // Flush the TX FIFO buffer. #define CCxxx0_SWORRST 0x3C // Reset real time clock. #define CCxxx0_SNOP 0x3D // No operation. May be used to pad strobe commands to two // UCHARs for simpler software. #define CCxxx0_PARTNUM 0x30 #define CCxxx0_VERSION 0x31 #define CCxxx0_FREQEST 0x32 #define CCxxx0_LQI 0x33 #define CCxxx0_RSSI 0x34 #define CCxxx0_MARCSTATE 0x35 #define CCxxx0_WORTIME1 0x36 #define CCxxx0_WORTIME0 0x37 #define CCxxx0_PKTSTATUS 0x38 #define CCxxx0_VCO_VC_DAC 0x39 #define CCxxx0_TXBYTES 0x3A #define CCxxx0_RXBYTES 0x3B #define CCxxx0_PATABLE 0x3E #define CCxxx0_TXFIFO 0x3F #define CCxxx0_RXFIFO 0x3F // RF_SETTINGS is a data structure which contains all relevant CCxxx0 registers typedef struct S_RF_SETTINGS { UCHAR FSCTRL2; //自已加的 UCHAR FSCTRL1; // Frequency synthesizer control. UCHAR FSCTRL0; // Frequency synthesizer control. UCHAR FREQ2; // Frequency control word, high UCHAR. UCHAR FREQ1; // Frequency control word, middle UCHAR. UCHAR FREQ0; // Frequency control word, low UCHAR. UCHAR MDMCFG4; // Modem configuration. UCHAR MDMCFG3; // Modem configuration. UCHAR MDMCFG2; // Modem configuration. UCHAR MDMCFG1; // Modem configuration. UCHAR MDMCFG0; // Modem configuration. UCHAR CHANNR; // Channel number. UCHAR DEVIATN; // Modem deviation setting (when FSK modulation is enabled). UCHAR FREND1; // Front end RX configuration. UCHAR FREND0; // Front end RX configuration. UCHAR MCSM0; // Main Radio Control State Machine configuration. UCHAR FOCCFG; // Frequency Offset Compensation Configuration. UCHAR BSCFG; // Bit synchronization Configuration. UCHAR AGCCTRL2; // AGC control. UCHAR AGCCTRL1; // AGC control. UCHAR AGCCTRL0; // AGC control. UCHAR FSCAL3; // Frequency synthesizer calibration. UCHAR FSCAL2; // Frequency synthesizer calibration. UCHAR FSCAL1; // Frequency synthesizer calibration. UCHAR FSCAL0; // Frequency synthesizer calibration. UCHAR FSTEST; // Frequency synthesizer calibration control UCHAR TEST2; // Various test settings. UCHAR TEST1; // Various test settings. UCHAR TEST0; // Various test settings. UCHAR IOCFG2; // GDO2 output pin configuration UCHAR IOCFG0; // GDO0 output pin configuration UCHAR PKTCTRL1; // Packet automation control. UCHAR PKTCTRL0; // Packet automation control. UCHAR ADDR; // Device address. UCHAR PKTLEN; // Packet length. } RF_SETTINGS; ///////////////////////////////////////////////////////////////// const RF_SETTINGS rfSettings = { 0x00, 0x08, // FSCTRL1 Frequency synthesizer control. 0x00, // FSCTRL0 Frequency synthesizer control. 0x10, // FREQ2 Frequency control word, high byte. 0xA7, // FREQ1 Frequency control word, middle byte. 0x62, // FREQ0 Frequency control word, low byte. 0x5B, // MDMCFG4 Modem configuration. 0xF8, // MDMCFG3 Modem configuration. 0x03, // MDMCFG2 Modem configuration. 0x22, // MDMCFG1 Modem configuration. 0xF8, // MDMCFG0 Modem configuration. 0x00, // CHANNR Channel number. 0x47, // DEVIATN Modem deviation setting (when FSK modulation is enabled). 0xB6, // FREND1 Front end RX configuration. 0x10, // FREND0 Front end RX configuration. 0x18, // MCSM0 Main Radio Control State Machine configuration. 0x1D, // FOCCFG Frequency Offset Compensation Configuration. 0x1C, // BSCFG Bit synchronization Configuration. 0xC7, // AGCCTRL2 AGC control. 0x00, // AGCCTRL1 AGC control. 0xB2, // AGCCTRL0 AGC control. 0xEA, // FSCAL3 Frequency synthesizer calibration. 0x2A, // FSCAL2 Frequency synthesizer calibration. 0x00, // FSCAL1 Frequency synthesizer calibration. 0x11, // FSCAL0 Frequency synthesizer calibration. 0x59, // FSTEST Frequency synthesizer calibration. 0x81, // TEST2 Various test settings. 0x35, // TEST1 Various test settings. 0x09, // TEST0 Various test settings. 0x0B, // IOCFG2 GDO2 output pin configuration. 0x06, // IOCFG0D GDO0 output pin configuration. Refer to SmartRF?Studio User Manual for detailed pseudo register explanation. 0x04, // PKTCTRL1 Packet automation control. 0x05, // PKTCTRL0 Packet automation control. 0x00, // ADDR Device address. 0x0c // PKTLEN Packet length. }; //***************************************************************************** ************ //函数名:delay(unsigned int s) //输入:时间 //输出:无 //功能描述:普通廷时,内部用 //***************************************************************************** ************ static void delay(unsigned int s) { unsigned int i; for(i=0; i sync transmitted while (!GDO0); // Wait for GDO0 to be cleared -> end of packet while (GDO0); halSpiStrobe(CCxxx0_SFTX); } void setRxMode(void) { halSpiStrobe(CCxxx0_SRX); //进入接收状态 } /* // Bit masks corresponding to STATE[2:0] in the status byte returned on MISO #define CCxx00_STATE_BM 0x70 #define CCxx00_FIFO_BYTES_AVAILABLE_BM 0x0F #define CCxx00_STATE_TX_BM 0x20 #define CCxx00_STATE_TX_UNDERFLOW_BM 0x70 #define CCxx00_STATE_RX_BM 0x10 #define CCxx00_STATE_RX_OVERFLOW_BM 0x60 #define CCxx00_STATE_IDLE_BM 0x00 static UCHAR RfGetRxStatus(void) { UCHAR temp, spiRxStatus1,spiRxStatus2; UCHAR i=4;// 循环测试次数 temp = CCxxx0_SNOP|READ_SINGLE;//读寄存器命令 CSN = 0; while (MISO); SpiTxRxByte(temp); spiRxStatus1 = SpiTxRxByte(0); do { SpiTxRxByte(temp); spiRxStatus2 = SpiTxRxByte(0); if(spiRxStatus1 == spiRxStatus2) { if( (spiRxStatus1 & CCxx00_STATE_BM) == CCxx00_STATE_RX_OVERFLOW_BM) { halSpiStrobe(CCxxx0_SFRX); return 0; } return 1; } spiRxStatus1=spiRxStatus2; } while(i--); CSN = 1; return 0; } */ UCHAR halRfReceivePacket(UCHAR *rxBuffer, UCHAR *length) { UCHAR status[2]; UCHAR packetLength; UCHAR i=(*length)*4; // 具体多少要根据datarate和length来决定 halSpiStrobe(CCxxx0_SRX); //进入接收状态 //delay(5); //while (!GDO1); //while (GDO1); delay(2); while (GDO0) { delay(2); --i; if(i<1) return 0; } if ((halSpiReadStatus(CCxxx0_RXBYTES) & BYTES_IN_RXFIFO)) //如果接的字节数不为0 { packetLength = halSpiReadReg(CCxxx0_RXFIFO);//读出第一个字节，此字节为该帧数据长度 if (packetLength <= *length) //如果所要的有效数据长度小于等于接收到的数据包的长度 { halSpiReadBurstReg(CCxxx0_RXFIFO, rxBuffer, packetLength); //读出所有接收到的数据 *length = packetLength; //把接收数据长度的修改为当前数据的长度 // Read the 2 appended status bytes (status[0] = RSSI, status[1] = LQI) halSpiReadBurstReg(CCxxx0_RXFIFO, status, 2); //读出CRC校验位 halSpiStrobe(CCxxx0_SFRX); //清洗接收缓冲区 return (status[1] & CRC_OK); //如果校验成功返回接收成功 } else { *length = packetLength; halSpiStrobe(CCxxx0_SFRX); //清洗接收缓冲区 return 0; } } else return 0; } #endif #ifndef _LCD1602_H_ #define _LCD1602_H_ #include"main.h" sbit lcd1602RSPort=P2^4; //寄存器选择位 sbit lcd1602RWPort=P2^5; //读写选择位 sbit lcd1602EPort=P2^6; //使能信号位 #define LCD1602DATAPORT P0 //数据端口 /************************************************** 函数功能:将模式设置指令或显示地址或数据写入液晶模块入口参数:Dat State=0,写地址 State=1,写数据 ***************************************************/ void WriteLcd1602(UCHAR State,UCHAR Dat) { lcd1602RSPort=State; //根据规定，RS和R/W同时为低电平时，可以写入指令 lcd1602RWPort=0; //根据规定，RS为高电平且R/W为低电平时，可以写入数据 lcd1602EPort=0; //E置低电平(写指令时，就是让E从0到1发生正跳变，所以应先置"0" _nop_(); _nop_(); //空操作两个机器周期，给硬件反应时间 LCD1602DATAPORT=Dat; //将数据送入数据端口，即写入指令或地址 _nop_(); _nop_(); _nop_(); _nop_(); //空操作四个机器周期，给硬件反应时间 lcd1602EPort=1; //E置高电平 _nop_(); _nop_(); _nop_(); _nop_(); //空操作四个机器周期，给硬件反应时间 lcd1602EPort=0; //当E由高电平跳变成低电平时，液晶模块开始执行命令 } /************************************************** 函数功能:指定字符显示的实际地址入口参数:Addr Row=1,写入第一行，Row=2,写入第二行 ***************************************************/ void WriteAddressLcd1602(UCHAR Row,UCHAR Addr) { if(Row==1) WriteLcd1602(0,0x80+Addr); //第一行位置的确定方法规定为"80H+地址码Addr" if(Row==2) WriteLcd1602(0,0x80+0x40+Addr); //第二行位置的确定方法规定为"80H+40H地址码Addr" } /************************************************** 函数功能:LCD写入字符串 ***************************************************/ void WriteCharForLCD1602(UCHAR *ch) { while(*ch!=0&&ch>0x20) WriteLcd1602(1,*ch++); } /************************************************** 函数功能:对LCD的显示模式进行初始化设置 ***************************************************/ void InitLcd1602() { Delaynms(15); //延时15ms，首次写指令时应给LCD一段较长的反应时间 WriteLcd1602(0,0x38); //3次写设置模式 Delaynms(5); WriteLcd1602(0,0x38); Delaynms(5); WriteLcd1602(0,0x38); Delaynms(5); WriteLcd1602(0,0x0c); Delaynms(5); WriteLcd1602(0,0x06); Delaynms(5); WriteLcd1602(0,0x01); Delaynms(5); } /************************************************** 函数功能:清零LCD1602 ***************************************************/ void ClearLcd1602() { WriteLcd1602(0,0x01); Delaynms(5); } #endif

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CC1101接收程序及相关电路图

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