本程序不使用中断,直接在主函数运行。引脚可直接修改。
单片机源程序如下:
- #include <reg52.h>
- #include <intrins.h>
- #define INT8U unsigned char
- #define INT16U unsigned int
- #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
- //*****************************************************************************************
- sbit GDO0 =P1^3;
- sbit GDO2 =P3^2;
- sbit MISO =P1^6;
- sbit MOSI =P1^5;
- sbit SCK =P1^7;
- sbit CSN =P1^2;
- //*****************************************************************************************
- sbit LED2 =P3^4;
- sbit LED1 =P3^5;
- sbit KEY1 =P3^6;
- sbit KEY2 =P3^7;
- //*****************************************************************************************
- sbit led3=P2^3;
- sbit led2=P2^2;
- sbit led1=P2^1;
- sbit led0=P2^0;
- //*****************************************************************************************
- INT8U PaTabel[8] = {0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60 ,0x60};
- //*****************************************************************************************
- void SpiInit(void);
- void CpuInit(void);
- void RESET_CC1100(void);
- void POWER_UP_RESET_CC1100(void);
- void halSpiWriteReg(INT8U addr, INT8U value);
- void halSpiWriteBurstReg(INT8U addr, INT8U *buffer, INT8U count);
- void halSpiStrobe(INT8U strobe);
- INT8U halSpiReadReg(INT8U addr);
- void halSpiReadBurstReg(INT8U addr, INT8U *buffer, INT8U count);
- INT8U halSpiReadStatus(INT8U addr);
- void halRfWriteRfSettings(void);
- void halRfSendPacket(INT8U *txBuffer, INT8U size);
- INT8U halRfReceivePacket(INT8U *rxBuffer, INT8U *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 INT8U
- #define CCxxx0_SYNC0 0x05 // Sync word, low INT8U
- #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 INT8U
- #define CCxxx0_FREQ1 0x0E // Frequency control word, middle INT8U
- #define CCxxx0_FREQ0 0x0F // Frequency control word, low INT8U
- #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 INT8U Event 0 timeout
- #define CCxxx0_WOREVT0 0x1F // Low INT8U 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
- // INT8Us 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
- {
- INT8U FSCTRL2; //自已加的
- INT8U FSCTRL1; // Frequency synthesizer control.
- INT8U FSCTRL0; // Frequency synthesizer control.
- INT8U FREQ2; // Frequency control word, high INT8U.
- INT8U FREQ1; // Frequency control word, middle INT8U.
- INT8U FREQ0; // Frequency control word, low INT8U.
- INT8U MDMCFG4; // Modem configuration.
- INT8U MDMCFG3; // Modem configuration.
- INT8U MDMCFG2; // Modem configuration.
- INT8U MDMCFG1; // Modem configuration.
- INT8U MDMCFG0; // Modem configuration.
- INT8U CHANNR; // Channel number.
- INT8U DEVIATN; // Modem deviation setting (when FSK modulation is enabled).
- INT8U FREND1; // Front end RX configuration.
- INT8U FREND0; // Front end RX configuration.
- INT8U MCSM0; // Main Radio Control State Machine configuration.
- INT8U FOCCFG; // Frequency Offset Compensation Configuration.
- INT8U BSCFG; // Bit synchronization Configuration.
- INT8U AGCCTRL2; // AGC control.
- INT8U AGCCTRL1; // AGC control.
- INT8U AGCCTRL0; // AGC control.
- INT8U FSCAL3; // Frequency synthesizer calibration.
- INT8U FSCAL2; // Frequency synthesizer calibration.
- INT8U FSCAL1; // Frequency synthesizer calibration.
- INT8U FSCAL0; // Frequency synthesizer calibration.
- INT8U FSTEST; // Frequency synthesizer calibration control
- INT8U TEST2; // Various test settings.
- INT8U TEST1; // Various test settings.
- INT8U TEST0; // Various test settings.
- INT8U IOCFG2; // GDO2 output pin configuration
- INT8U IOCFG0; // GDO0 output pin configuration
- INT8U PKTCTRL1; // Packet automation control.
- INT8U PKTCTRL0; // Packet automation control.
- INT8U ADDR; // Device address.
- INT8U 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<s; i++);
- for(i=0; i<s; i++);
- }
- void halWait(INT16U timeout) {
- do {
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- _nop_();
- } while (--timeout);
- }
- void SpiInit(void)
- {
- CSN=0;
- SCK=0;
- CSN=1;
- }
- /*****************************************************************************************
- //函数名:CpuInit()
- //输入:无
- //输出:无
- //功能描述:SPI初始化程序
- /*****************************************************************************************/
- void CpuInit(void)
- {
- SpiInit();
- delay(5000);
- }
-
- //*****************************************************************************************
- //函数名:SpisendByte(INT8U dat)
- //输入:发送的数据
- //输出:无
- //功能描述:SPI发送一个字节
- //*****************************************************************************************
- INT8U SpiTxRxByte(INT8U dat)
- {
- INT8U i,temp;
- temp = 0;
-
- SCK = 0;
- for(i=0; i<8; i++)
- {
- if(dat & 0x80)
- {
- MOSI = 1;
- }
- else MOSI = 0;
- dat <<= 1;
- SCK = 1;
- _nop_();
- _nop_();
- temp <<= 1;
- if(MISO)temp++;
- SCK = 0;
- _nop_();
- _nop_();
- }
- return temp;
- }
- //*****************************************************************************************
- //函数名:void RESET_CC1100(void)
- //输入:无
- //输出:无
- //功能描述:复位CC1100
- //*****************************************************************************************
- void RESET_CC1100(void)
- {
- CSN = 0;
- while (MISO);
- SpiTxRxByte(CCxxx0_SRES); //写入复位命令
- while (MISO);
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名:void POWER_UP_RESET_CC1100(void)
- //输入:无
- //输出:无
- //功能描述:上电复位CC1100
- //*****************************************************************************************
- void POWER_UP_RESET_CC1100(void)
- {
- CSN = 1;
- halWait(1);
- CSN = 0;
- halWait(1);
- CSN = 1;
- halWait(41);
- RESET_CC1100(); //复位CC1100
- }
- //*****************************************************************************************
- //函数名:void halSpiWriteReg(INT8U addr, INT8U value)
- //输入:地址和配置字
- //输出:无
- //功能描述:SPI写寄存器
- //*****************************************************************************************
- void halSpiWriteReg(INT8U addr, INT8U value)
- {
- CSN = 0;
- while (MISO);
- SpiTxRxByte(addr); //写地址
- SpiTxRxByte(value); //写入配置
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名:void halSpiWriteBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- //输入:地址,写入缓冲区,写入个数
- //输出:无
- //功能描述:SPI连续写配置寄存器
- //*****************************************************************************************
- void halSpiWriteBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- {
- INT8U i, temp;
- temp = addr | WRITE_BURST;
- CSN = 0;
- while (MISO);
- SpiTxRxByte(temp);
- for (i = 0; i < count; i++)
- {
- SpiTxRxByte(buffer[i]);
- }
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名:void halSpiStrobe(INT8U strobe)
- //输入:命令
- //输出:无
- //功能描述:SPI写命令
- //*****************************************************************************************
- void halSpiStrobe(INT8U strobe)
- {
- CSN = 0;
- while (MISO);
- SpiTxRxByte(strobe); //写入命令
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名:INT8U halSpiReadReg(INT8U addr)
- //输入:地址
- //输出:该寄存器的配置字
- //功能描述:SPI读寄存器
- //*****************************************************************************************
- INT8U halSpiReadReg(INT8U addr)
- {
- INT8U temp, value;
- temp = addr|READ_SINGLE;//读寄存器命令
- CSN = 0;
- while (MISO);
- SpiTxRxByte(temp);
- value = SpiTxRxByte(0);
- CSN = 1;
- return value;
- }
- //*****************************************************************************************
- //函数名:void halSpiReadBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- //输入:地址,读出数据后暂存的缓冲区,读出配置个数
- //输出:无
- //功能描述:SPI连续写配置寄存器
- //*****************************************************************************************
- void halSpiReadBurstReg(INT8U addr, INT8U *buffer, INT8U count)
- {
- INT8U i,temp;
- temp = addr | READ_BURST; //写入要读的配置寄存器地址和读命令
- CSN = 0;
- while (MISO);
- SpiTxRxByte(temp);
- for (i = 0; i < count; i++)
- {
- buffer[i] = SpiTxRxByte(0);
- }
- CSN = 1;
- }
- //*****************************************************************************************
- //函数名:INT8U halSpiReadReg(INT8U addr)
- //输入:地址
- //输出:该状态寄存器当前值
- //功能描述:SPI读状态寄存器
- //*****************************************************************************************
- INT8U halSpiReadStatus(INT8U addr)
- {
- INT8U value,temp;
- temp = addr | READ_BURST; //写入要读的状态寄存器的地址同时写入读命令
- CSN = 0;
- while (MISO);
- SpiTxRxByte(temp);
- value = SpiTxRxByte(0);
- CSN = 1;
- return value;
- }
- //*****************************************************************************************
- //函数名:void halRfWriteRfSettings(RF_SETTINGS *pRfSettings)
- //输入:无
- //输出:无
- //功能描述:配置CC1100的寄存器
- //*****************************************************************************************
- void halRfWriteRfSettings(void)
- {
- halSpiWriteReg(CCxxx0_FSCTRL0, rfSettings.FSCTRL2);//自已加的
- // Write register settings
- halSpiWriteReg(CCxxx0_FSCTRL1, rfSettings.FSCTRL1);
- halSpiWriteReg(CCxxx0_FSCTRL0, rfSettings.FSCTRL0);
- halSpiWriteReg(CCxxx0_FREQ2, rfSettings.FREQ2);
- halSpiWriteReg(CCxxx0_FREQ1, rfSettings.FREQ1);
- halSpiWriteReg(CCxxx0_FREQ0, rfSettings.FREQ0);
- halSpiWriteReg(CCxxx0_MDMCFG4, rfSettings.MDMCFG4);
- halSpiWriteReg(CCxxx0_MDMCFG3, rfSettings.MDMCFG3);
- halSpiWriteReg(CCxxx0_MDMCFG2, rfSettings.MDMCFG2);
- halSpiWriteReg(CCxxx0_MDMCFG1, rfSettings.MDMCFG1);
- halSpiWriteReg(CCxxx0_MDMCFG0, rfSettings.MDMCFG0);
- halSpiWriteReg(CCxxx0_CHANNR, rfSettings.CHANNR);
- halSpiWriteReg(CCxxx0_DEVIATN, rfSettings.DEVIATN);
- halSpiWriteReg(CCxxx0_FREND1, rfSettings.FREND1);
- halSpiWriteReg(CCxxx0_FREND0, rfSettings.FREND0);
- halSpiWriteReg(CCxxx0_MCSM0 , rfSettings.MCSM0 );
- halSpiWriteReg(CCxxx0_FOCCFG, rfSettings.FOCCFG);
- halSpiWriteReg(CCxxx0_BSCFG, rfSettings.BSCFG);
- halSpiWriteReg(CCxxx0_AGCCTRL2, rfSettings.AGCCTRL2);
- halSpiWriteReg(CCxxx0_AGCCTRL1, rfSettings.AGCCTRL1);
- halSpiWriteReg(CCxxx0_AGCCTRL0, rfSettings.AGCCTRL0);
- halSpiWriteReg(CCxxx0_FSCAL3, rfSettings.FSCAL3);
- halSpiWriteReg(CCxxx0_FSCAL2, rfSettings.FSCAL2);
- halSpiWriteReg(CCxxx0_FSCAL1, rfSettings.FSCAL1);
- halSpiWriteReg(CCxxx0_FSCAL0, rfSettings.FSCAL0);
- halSpiWriteReg(CCxxx0_FSTEST, rfSettings.FSTEST);
- halSpiWriteReg(CCxxx0_TEST2, rfSettings.TEST2);
- halSpiWriteReg(CCxxx0_TEST1, rfSettings.TEST1);
- halSpiWriteReg(CCxxx0_TEST0, rfSettings.TEST0);
- halSpiWriteReg(CCxxx0_IOCFG2, rfSettings.IOCFG2);
- halSpiWriteReg(CCxxx0_IOCFG0, rfSettings.IOCFG0);
- halSpiWriteReg(CCxxx0_PKTCTRL1, rfSettings.PKTCTRL1);
- halSpiWriteReg(CCxxx0_PKTCTRL0, rfSettings.PKTCTRL0);
- halSpiWriteReg(CCxxx0_ADDR, rfSettings.ADDR);
- halSpiWriteReg(CCxxx0_PKTLEN, rfSettings.PKTLEN);
- }
- //*****************************************************************************************
- //函数名:void halRfSendPacket(INT8U *txBuffer, INT8U size)
- //输入:发送的缓冲区,发送数据个数
- //输出:无
- //功能描述:CC1100发送一组数据
- //*****************************************************************************************
- void halRfSendPacket(INT8U *txBuffer, INT8U size)
- {
- halSpiWriteReg(CCxxx0_TXFIFO, size);
- halSpiWriteBurstReg(CCxxx0_TXFIFO, txBuffer, size); //写入要发送的数据
- halSpiStrobe(CCxxx0_STX); //进入发送模式发送数据
- // Wait for GDO0 to be set -> sync transmitted
- while (!GDO0);
- // Wait for GDO0 to be cleared -> end of packet
- while (GDO0);
- halSpiStrobe(CCxxx0_SFTX);
- }
- ……………………
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