cc2420.c

  cc2420.c如下：

#include "sys.h"
#include "CC2420.h"
#include "delay.h"uint8 CC2420_PSDU[1 + CC2420_PSDU_Len];
uint8 CC2420_Source_PANID[2] = {0xcc, 0xcc};
uint8 CC2420_Source_ShortAddr[2] = {0xcc, 0xcc};
uint8 CC2420_Source_IEEEAddr[8] = {0x12, 0x34, 0x56, 0x7c, 0xcc, 0xcc, 0xcc, 0xcc}; /* 本机地址 */
uint8 CC2420_Destination_PANID[2] = {0xcc, 0xcc};
uint8 CC2420_Destination_ShortAddr[2] = {0xcc, 0xcc};
uint8 CC2420_Destination_IEEEAddr[8] = {0x12, 0x34, 0x56, 0x7c, 0xcc, 0xcc, 0xcc, 0xcc}; /* 目标地址 */void CC2420_IOinit ( void ) { /* CC2420引脚初始化 */GPIO_InitTypeDef GPIO_InitStructure;RCC_APB2PeriphClockCmd ( RCC_APB2Periph_GPIOA, ENABLE );GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_9; /* 输出引脚 */GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init ( GPIOA, &GPIO_InitStructure );GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_8; /* 输入引脚 */GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init ( GPIOA, &GPIO_InitStructure );GPIO_SetBits ( GPIOB, GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 |GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 );SPI_Init();
}void SPI_Init ( void ) { /* SPI初始化函数 */SCLK_OFF();CSN_ON();
}uint8 SPI_Read ( void ) { /* SPI单字节读取函数 */uint8 i, rxdata = 0x00;for ( i = 0; i < 8; i++ ) {rxdata = rxdata << 1;SCLK_ON();if ( MISO_IN ) {rxdata |= 0x01;} else {rxdata &= ~0x01;}SCLK_OFF();}return rxdata;
}void SPI_Write ( uint8 txdata ) { /* SPI单字节写入函数 */uint8 i;for ( i = 0; i < 8; i++ ) {if ( txdata & 0x80 ) {MOSI_ON();} else {MOSI_OFF();}SCLK_ON();txdata = txdata << 1;SCLK_OFF();}
}uint8 SPI_WriteRead ( uint8 txdata ) { /* SPI单字节写入读取函数 */uint8 i, rxdata;rxdata = 0x00;for ( i = 0; i < 8; i++ ) {rxdata = rxdata << 1;if ( txdata & 0x80 ) {MOSI_ON();} else {MOSI_OFF();}SCLK_ON();if ( MISO_IN ) {rxdata |= 0x01;} else {rxdata &= ~0x01;}SCLK_OFF();txdata = txdata << 1;}return rxdata;
}uint16 SPI_Word_Read ( void ) { /* SPI双字节读取函数 */uint8 i;uint16 rxdata;rxdata = 0x0000;for ( i = 0; i < 16; i++ ) {rxdata = rxdata << 1;SCLK_ON();if ( MISO_IN ) {rxdata |= 0x01;} else {rxdata &= ~0x01;}SCLK_OFF();}return rxdata;
}void SPI_Word_Write ( uint16 txdata ) { /* SPI双字节写入函数 */uint8 i;for ( i = 0; i < 16; i++ ) {if ( txdata & 0x8000 ) {MOSI_ON();} else {MOSI_OFF();}SCLK_ON();txdata = txdata << 1;SCLK_OFF();}
}uint16 CC2420_ReadReg ( uint8  addr ) { /* CC2420寄存器读取函数 */uint16 value;CSN_OFF();SPI_Write ( addr | REG_READ );value = SPI_Word_Read();CSN_ON();return value;
}void CC2420_WriteReg ( uint8  addr, uint16 value ) { /* CC2420寄存器写入函数 */CSN_OFF();SPI_Write ( addr | REG_WRITE );SPI_Word_Write ( value );CSN_ON();
}void CC2420_ReadRXFIFO ( void ) { /* 读取FIFO寄存器 */uint8 i;CSN_OFF();SPI_Write ( REG_RXFIFO | REG_READ );CC2420_PSDU[0] = SPI_Read();for ( i = 0; i < CC2420_PSDU[0]; i++ ) {CC2420_PSDU[1 + i] = SPI_Read();}CSN_ON();CC2420_Command ( CMD_SFLUSHRX );
}void CC2420_WriteTXFIFO ( void ) { /* 写入FIFO寄存器 */uint8 i;CC2420_Command ( CMD_SFLUSHTX ); /* 刷新发送寄存器 */CSN_OFF();SPI_Write ( REG_TXFIFO | REG_WRITE ); /* 先写入写FIFO操作命令 */SPI_Write ( CC2420_PSDU[0] );for ( i = 0; i < CC2420_PSDU[0]; i++ ) {SPI_Write ( CC2420_PSDU[1 + i] );}CSN_ON();
}void CC2420_Command ( uint8 cmd ) { /* CC2420命令函数 */CSN_OFF();SPI_Write ( cmd );CSN_ON();
}uint8 CC2420_RAM_Read ( uint8 addr, uint8 block ) { /* CC2420的RAM读取函数 */uint8 value;CSN_OFF();SPI_Write ( addr | RAM );SPI_Write ( ( block << 6 ) | RAM_READ );value = SPI_Read();CSN_ON();return value;
}void CC2420_RAM_Write ( uint8  addr, uint8 block, uint8 value ) { /* CC2420的RAM写入函数 */CSN_OFF();SPI_Write ( addr | RAM );SPI_Write ( ( block << 6 ) | RAM_WRITE );SPI_Write ( value );CSN_ON();
}void CC2420_SetRxMode ( void ) { /* CC2420设置接收函数 */CC2420_Command ( CMD_SRFOFF );CC2420_Command ( CMD_SRXON );
}uint8 CC2420_RxPacket ( void ) { /* CC2420判断接收函数 */SFD_IN = 1;FIFO_IN = 1;if ( ( !SFD_IN ) && ( FIFO_IN ) ) {return TRUE;}return FALSE;
}void CC2420_TxPacket ( void ) { /* CC2420发送函数 */CC2420_Command ( CMD_SRFOFF );CC2420_Command ( CMD_STXON );while ( !SFD_IN );while ( SFD_IN );
}void CC2420_Init ( void ) { /* CC2420射频芯片初始化函数 */RESET_OFF();delay_ms ( 10 );RESET_ON();delay_ms ( 10 );CC2420_Command ( CMD_SXOSCON );delay_ms ( 10 );CC2420_PSDU[1] = ( PAN_ID_COMPRESSION << 6 ) | ( ACKNOWLEDGMENT_REQUEST << 5 ) | ( FRAME_PENDING << 4 ) |( SECURITY_ENABLE << 3 ) | ( FRAME_TYPE_DATA << 0 );CC2420_PSDU[2] = ( SOURCE_ADDRESSING_MODE << 6 ) | ( FRAME_VERSION << 4 ) | ( DEST_ADDRESSING_MODE << 2 );CC2420_PSDU[3] = SEQUENCE_NUMBER;CC2420_PSDU[4] =  CC2420_Destination_PANID[0];CC2420_PSDU[5] =  CC2420_Destination_PANID[1];CC2420_PSDU[6] =  CC2420_Destination_IEEEAddr[0];CC2420_PSDU[7] =  CC2420_Destination_IEEEAddr[1];CC2420_PSDU[8] =  CC2420_Destination_IEEEAddr[2];CC2420_PSDU[9] =  CC2420_Destination_IEEEAddr[3];CC2420_PSDU[10] =  CC2420_Destination_IEEEAddr[4];CC2420_PSDU[11] =  CC2420_Destination_IEEEAddr[5];CC2420_PSDU[12] =  CC2420_Destination_IEEEAddr[6];CC2420_PSDU[13] =  CC2420_Destination_IEEEAddr[7];CC2420_PSDU[14] =  CC2420_Source_PANID[0];CC2420_PSDU[15] =  CC2420_Source_PANID[1];CC2420_RAM_Write ( RAM_PANID, 2,  CC2420_Source_PANID[0] );CC2420_RAM_Write ( RAM_PANID + 1, 2, CC2420_Source_PANID[1] );CC2420_PSDU[16] =  CC2420_Source_IEEEAddr[0];CC2420_PSDU[17] =  CC2420_Source_IEEEAddr[1];CC2420_PSDU[18] =  CC2420_Source_IEEEAddr[2];CC2420_PSDU[19] =  CC2420_Source_IEEEAddr[3];CC2420_PSDU[20] = CC2420_Source_IEEEAddr[4];CC2420_PSDU[21] =  CC2420_Source_IEEEAddr[5];CC2420_PSDU[22] =  CC2420_Source_IEEEAddr[6];CC2420_PSDU[23] =  CC2420_Source_IEEEAddr[7];CC2420_RAM_Write ( RAM_IEEEADR, 2, CC2420_Source_IEEEAddr[0] );CC2420_RAM_Write ( RAM_IEEEADR + 1, 2, CC2420_Source_IEEEAddr[1] );CC2420_RAM_Write ( RAM_IEEEADR + 2, 2, CC2420_Source_IEEEAddr[2] );CC2420_RAM_Write ( RAM_IEEEADR + 3, 2, CC2420_Source_IEEEAddr[3] );CC2420_RAM_Write ( RAM_IEEEADR + 4, 2, CC2420_Source_IEEEAddr[4] );CC2420_RAM_Write ( RAM_IEEEADR + 5, 2, CC2420_Source_IEEEAddr[5] );CC2420_RAM_Write ( RAM_IEEEADR + 6, 2, CC2420_Source_IEEEAddr[6] );CC2420_RAM_Write ( RAM_IEEEADR + 7, 2, CC2420_Source_IEEEAddr[7] );CC2420_WriteReg ( REG_MDMCTRL0, CCA_HYST | CCA_MODE | PREAMBLE_LENGTH | AUTOCRC | ADR_DECODE );CC2420_WriteReg ( REG_SYNCWORD, SYNCWORD );CC2420_WriteReg ( REG_SECCTRL0, 0 );CSN_OFF();SPI_Write ( REG_RXFIFO | REG_READ );SPI_Read();CSN_ON();CC2420_Command ( CMD_SFLUSHRX );CC2420_Command ( CMD_SFLUSHTX );delay_ms ( 10 );
}

cc2420.h

  cc2420.h如下：

#ifndef _CC2420_H_
#define _CC2420_H_
#include "public.h"#define CC2420_PSDU_Len 127
/* SPI口访问方式定义 */
#define REG_READ  0x40
#define REG_WRITE 0x00
#define RAM       0x80
#define RAM_READ  0x20
#define RAM_WRITE 0x00
/* CC2420 命令字定义 */
#define CMD_SNOP              (0x00      )
#define CMD_SXOSCON           (0x01      )
#define CMD_STXCAL            (0x02      )
#define CMD_SRXON             (0x03      )
#define CMD_STXON             (0x04      )
#define CMD_STXONCCA          (0x05      )
#define CMD_SRFOFF            (0x06      )
#define CMD_SXOSCOFF          (0x07      )
#define CMD_SFLUSHRX          (0x08      )
#define CMD_SFLUSHTX          (0x09      )
#define CMD_SACK              (0x0a      )
#define CMD_SACKPEND          (0x0b      )
#define CMD_SRXDEC            (0x0c      )
#define CMD_STXENC            (0x0d      )
#define CMD_SAES              (0x0e      )
/* CC2420配置寄存器 */
#define REG_MAIN              (0x10      )
#define RESETN                (0x01 << 15)
#define ENC_RESETN            (0x01 << 14)
#define DEMOD_RESETN          (0x01 << 13)
#define MOD_RESETN            (0x01 << 12)
#define FS_RESETN             (0x01 << 11)
#define XOSC16M_BYPASS        (0x01 << 0 )
#define REG_MDMCTRL0          (0x11      )
#define RESERVED_FRAME_MODE   (0x00 << 13)
#define PAN_COORDINATOR       (0x01 << 12)
#define ADR_DECODE            (0x01 << 11)
#define CCA_HYST              (0x02 << 8 )
#define CCA_MODE              (0x03 << 6 )
#define AUTOCRC               (0x01 << 5 )
#define AUTOACK               (     << 4 )
#define PREAMBLE_LENGTH       (0x02 << 0 )
#define REG_MDMCTRL1          (0x12      )
#define CORR_THR              (0x20 << 6 )
#define DEMOD_AVG_MODE        (     << 5 )
#define MODULATION_MODE       (     << 4 )
#define TX_MODE               (     << 2 )
#define RX_MODE               (     << 0 )
#define REG_RSSI              (0x13      )
#define REG_SYNCWORD          (0x14      )
#define SYNCWORD              (0xA70F    )
#define REG_TXCTRL            (0x15      )
#define TXMIXBUF_CUR          (     << 14)
#define TX_TURNAROUND         (     << 13)
#define TXMIX_CAP_ARRAY       (     << 11)
#define TXMIX_CURRENT         (     << 9 )
#define PA_CURRENT            (     << 6 )
#define PA_LEVEL              (     << 0 )
#define REG_RXCTRL0           (0x16      )
#define RXMIXBUF_CUR          (     << 12)
#define HIGH_LNA_GAIN         (     << 10)
#define MED_LNA_GAIN          (     << 8 )
#define LOW_LNA_GAIN          (     << 6 )
#define HIGH_LNA_CURRENT      (     << 4 )
#define MED_LNA_CURRENT       (     << 2 )
#define LOW_LNA_CURRENT       (     << 0 )
#define REG_RXCTRL1           (0x17      )
#define RXBPF_LOCUR           (     << 13)
#define RXBPF_MIDCUR          (     << 12)
#define LOW_LOWGAIN           (     << 11)
#define MED_LOWGAIN           (     << 10)
#define HIGH_HGM              (     << 9 )
#define MED_HGM               (     << 8 )
#define LNA_CAP_ARRAY         (     << 6 )
#define RXMIX_TAIL            (     << 4 )
#define RXMIX_VCM             (     << 2 )
#define RXMIX_CURRENT         (     << 0 )
#define REG_FSCTRL            (0x18      )
#define LOCK_THR              (     << 14)
#define CAL_DONE              (     << 13)
#define CAL_RUNNING           (     << 12)
#define LOCK_LENGTH           (     << 11)
#define LOCK_STATUS           (     << 10)
#define FREQ                  (     << 0 )
#define REG_SECCTRL0          (0x19      )
#define RXFIFO_PROTECTION     (     << 9 )
#define SEC_CBC_HEAD          (     << 8 )
#define SEC_SAKEYSEL          (     << 7 )
#define SEC_TXKEYSEL          (     << 6 )
#define SEC_RXKEYSEL          (     << 5 )
#define SEC_M                 (     << 2 )
#define SEC_MODE              (     << 0 )
#define REG_SECCTRL1          (0x1a      )
#define SEC_TXL               (     << 8 )
#define SEC_RXL               (     << 0 )
#define REG_BATTMON           (0x1b      )
#define BATTMON_EN            (     << 5 )
#define BATTMON_VOLTAGE       (     << 0 )
#define REG_IOCFG0            (0x1c      )
#define BCN_ACCEPT            (     << 11)
#define FIFO_POLARITY         (     << 10)
#define FIFOP_POLARITY        (     << 9 )
#define SFD_POLARITY          (     << 8 )
#define CCA_POLARITY          (     << 7 )
#define FIFOP_THR             (     << 0 )
#define REG_IOCFG1            (0x1d      )
#define HSSD_SRC              (     << 10)
#define SFDMUX                (     << 5 )
#define CCAMUX                (     << 0 )
#define REG_MANFIDL           (0x1e      )
#define REG_MANFIDH           (0x1f      )
#define REG_FSMTC             (0x20      )
#define TC_RXCHAIN2RX         (     << 13)
#define TC_SWITCH2TX          (     << 10)
#define TC_PAON2TX            (     << 6 )
#define TC_TXEND2SWITCH       (     << 3 )
#define TC_TXEND2PAOFF        (     << 0 )
#define REG_MANAND            (0x21      )
#define MANAND_VGA_RESET_N    (     << 15)
#define MANAND_BIAS_PD        (     << 14)
#define MANAND_BALUN_CTRL     (     << 13)
#define MANAND_RXTX           (     << 12)
#define MANAND_PRE_PD         (     << 11)
#define MANAND_PA_N_PD        (     << 10)
#define MANAND_PA_P_PD        (     << 9 )
#define MANAND_DAC_LPF_PD     (     << 8 )
#define MANAND_XOSC16M_PD     (     << 7 )
#define MANAND_RXBPF_CAL_PD   (     << 6 )
#define MANAND_CHP_PD         (     << 5 )
#define MANAND_FS_PD          (     << 4 )
#define MANAND_ADC_PD         (     << 3 )
#define MANAND_VGA_PD         (     << 2 )
#define MANAND_RXBPF_PD       (     << 1 )
#define MANAND_LNAMIX_PD      (     << 0 )
#define REG_MANOR             (0x22      )
#define MANOR_VGA_RESET_N     (     << 15)
#define MANOR_BIAS_PD         (     << 14)
#define MANOR_BALUN_CTRL      (     << 13)
#define MANOR_RXTX            (     << 12)
#define MANOR_PRE_PD          (     << 11)
#define MANOR_PA_N_PD         (     << 10)
#define MANOR_PA_P_PD         (     << 9 )
#define MANOR_DAC_LPF_PD      (     << 8 )
#define MANOR_XOSC16M_PD      (     << 7 )
#define MANOR_RXBPF_CAL_PD    (     << 6 )
#define MANOR_CHP_PD          (     << 5 )
#define MANOR_FS_PD           (     << 4 )
#define MANOR_ADC_PD          (     << 3 )
#define MANOR_VGA_PD          (     << 2 )
#define MANOR_RXBPF_PD        (     << 1 )
#define MANOR_LNAMIX_PD       (     << 0 )
#define REG_AGCCTRL           (0x23      )
#define VGA_GAIN_OE           (     << 11)
#define VGA_GAIN              (     << 4 )
#define LNAMIX_GAINMODE_O     (     << 2 )
#define REG_AGCTST0           (0x24      )
#define LNAMIX_HYST           (     << 12)
#define LNAMIX_THR_H          (     << 6 )
#define LNAMIX_THR_L          (     << 0 )
#define REG_AGCTST1           (0x25      )
#define AGC_BLANK_MODE        (     << 14)
#define PEAKDET_CUR_BOOST     (     << 13)
#define AGC_SETTLE_WAIT       (     << 11)
#define AGC_PEAK_DET_MODE     (     << 8 )
#define AGC_WIN_SIZE          (     << 6 )
#define AGC_REF               (     << 0 )
#define REG_AGCTST2           (0x26      )
#define MED2HIGHGAIN          (     << 5 )
#define LOW2MEDGAIN           (     << 0 )
#define REG_FSTST0            (0x27      )
#define VCO_ARRAY_SETTLE_LONG (     << 11)
#define VCO_ARRAY_OE          (     << 10)
#define VCO_ARRAY_O           (     << 5 )
#define VCO_ARRAY_RES         (     << 0 )
#define REG_FSTST1            (0x28      )
#define VCO_TX_NOCAL          (     << 15)
#define VCO_ARRAY_CAL_LONG    (     << 14)
#define VCO_CURRENT_REF       (     << 10)
#define VCO_CURRENT_K         (     << 4 )
#define VC_DAC_EN             (     << 3 )
#define VC_DAC_VAL            (     << 0 )
#define REG_FSTST2            (0x29      )
#define VCO_CURCAL_SPEED      (     << 13)
#define VCO_CURRENT_OE        (     << 12)
#define VCO_CURRENT_O         (     << 6 )
#define VCO_CURRENT_RES       (     << 0 )
#define REG_FSTST3            (0x2a      )
#define CHP_CAL_DISABLE       (     << 15)
#define CHP_CURRENT_OE        (     << 14)
#define CHP_TEST_UP           (     << 13)
#define CHP_TEST_DN           (     << 12)
#define CHP_DISABLE           (     << 11)
#define PD_DELAY              (     << 10)
#define CHP_STEP_PERIOD       (     << 8 )
#define STOP_CHP_CURRENT      (     << 4 )
#define START_CHP_CURRENT     (     << 0 )
#define REG_RXBPFTST          (0x2b      )
#define RXBPF_CAP_OE          (     << 14)
#define RXBPF_CAP_O           (     << 7 )
#define REG_FSMSTATE          (0x2c      )
#define REG_ADCTST            (0x2d      )
#define REG_DACTST            (0x2e      )
#define DAC_SRC               (     << 12)
#define DAC_I_O               (     << 6 )
#define DAC_Q_O               (     << 0 )
#define REG_TOPTST            (0x2f      )
#define RAM_BIST_RUN          (     << 7 )
#define TEST_BATTMON_EN       (     << 6 )
#define VC_IN_TEST_EN         (     << 5 )
#define ATESTMOD_PD           (     << 4 )
#define ATESTMOD_MODE         (     << 0 )
#define REG_TXFIFO            (0x3e      )
#define REG_RXFIFO            (0x3f      )
#define RAM_IEEEADR           (0x60      )
#define RAM_PANID             (0x68      )
#define RAM_SHORTADR          (0x6A      )
/* PSDU相关定义 */
#define FRAME_TYPE_BEACCON     0x00
#define FRAME_TYPE_DATA        0x01
#define FRAME_TYPE_ACK         0x02
#define FRAME_TYPE_MAC         0x03
#define SECURITY_ENABLE        0x00
#define FRAME_PENDING          0x00
#define ACKNOWLEDGMENT_REQUEST 0x00
#define PAN_ID_COMPRESSION     0x00
#define DEST_ADDRESSING_MODE   0x03
#define FRAME_VERSION          0x01
#define SOURCE_ADDRESSING_MODE 0x03
#define SEQUENCE_NUMBER        0x02
/* CC2420引脚定义 */
#define  RESET    PAout(0)
#define  SFD      PAin(1)
#define  CCA      PAin(2)
#define  FIFOP    PAin(3)
#define  FIFO     PAin(4)
#define  CSN      PAout(5)
#define  SCLK     PAout(6)
#define  MOSI     PAout(7)
#define  MISO     PAin(8)
#define  VREG_EN  PAout(9)#define RESET_ON()  RESET = 1
#define RESET_OFF() RESET = 0
#define SCLK_ON()   SCLK = 1
#define SCLK_OFF()  SCLK = 0
#define MOSI_ON()   MOSI = 1
#define MOSI_OFF()  MOSI = 0
#define CSN_ON()    CSN = 1
#define CSN_OFF()   CSN = 0
#define FIFO_IN     FIFO
#define MISO_IN     MISO
#define CCA_IN      CCA
#define SFD_IN      SFD
#define FIFOP_IN    FIFOPvoid CC2420_IOinit ( void );
void SPI_Init ( void );
uint8 SPI_Read ( void );
void SPI_Write ( uint8 txdata );
uint8 SPI_WriteRead ( uint8 txdata );
uint16 SPI_Word_Read ( void );
void SPI_Word_Write ( uint16 txdata );
void CC2420_Init ( void );
uint16 CC2420_ReadReg ( uint8  addr );
void  CC2420_WriteReg ( uint8  addr, uint16 value );
void  CC2420_Command ( uint8 cmd );
uint8 CC2420_RAM_Read ( uint8 addr, uint8 block );
void CC2420_RAM_Write ( uint8  addr, uint8 block, uint8 value );
void CC2420_SetRxMode ( void );
uint8 CC2420_RxPacket ( void ) ;
void CC2420_TxPacket ( void );
void CC2420_ReadRXFIFO ( void );
void CC2420_WriteTXFIFO ( void );#define UART_READ_BACK   0x01
#define CC2420_REG_READ  0xE0
#define CC2420_REG_WRITE 0xE1
#define CC2420_RAM_READ  0xE2
#define CC2420_RAM_WRITE 0xE3
#define CC2420_TX        0xE4
#define CC2420_RX        0xE5
#define CC2420_SETRX     0xE6
#define CC2420_RXFIFO    0xE7
#define CC2420_TXFIFO    0xE8
#define CC2420_INIT      0xEE
#define CC2420_EXT       0xEF
#endif

public.h

  public.h如下：

#ifndef _PUBLIC_H_
#define _PUBLIC_H_typedef unsigned char  uint8;
typedef signed   char  int8;
typedef unsigned short uint16;
typedef signed   short int16;
typedef unsigned long  uint32;
typedef signed   long  int32;
typedef float          fp32;
typedef double         fp64;#define TRUE  1
#define FALSE 0
#define NULL  0
#endif

main.c

  main.c如下：

#include "led.h"
#include "delay.h"
#include "sys.h"
#include "cc2420.h"extern uint8 CC2420_PSDU[];#define SEND_MESSAGE 0int main ( void ) {delay_init();LED_Init();CC2420_IOinit();VREG_EN = 1;delay_ms ( 1000 );CC2420_Init();CC2420_SetRxMode();CC2420_PSDU[0] = 23 + 48 + 2;while ( 1 ) {
#if SEND_MESSAGECC2420_PSDU[25] = 100;CC2420_WriteTXFIFO();CC2420_TxPacket();CC2420_SetRxMode();LED = !LED;delay_ms ( 500 );
#elseif ( CC2420_RxPacket() ) {CC2420_ReadRXFIFO();if ( CC2420_PSDU[25] == 100 ) {LED = !LED;CC2420_PSDU[25] = 0;}}#endif}
}