[code]#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};
INT8U PaTabel[8] = {0xc0 ,0xc0 ,0xc0 ,0xc0 ,0xc0 ,0xc0 ,0xc0 ,0xc0};//修改发射功率
//*****************************************************************************************
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.
//0xf6, // MDMCFG4 chang by allen
0xF8, // MDMCFG3 Modem configuration.
//0x83, // MDMCFG3 chang by allen data rate = 2.398K
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.
0x01, //PKTCTRL0 crc disable chang by allen at 09.12.24
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); } 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 = 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;}
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