基于51单片机驱动SI4432无线模块收发C语言程序.docx
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基于51单片机驱动SI4432无线模块收发C语言程序
基于51单片机驱动SI4432无线模块收发C语言程序
#include
#include
#include
#include
//----------------------------------RF4432配置口定义---------------------------------------
//sbit RF4432_PAC=P2^4; //收发模式切换控制端
sbit RF4432_SDO=P3^5; //SPI数据输出
sbit RF4432_SDI=P3^4; //SPI数据输入
sbit RF4432_SCLK=P3^7; //SPI时钟输入端口
sbit RF4432_SEL=P3^3; //SPI片选
sbit RF4432_IRQ=P3^2; //SI4432工作状态指示端口
sbit KEY=P3^6; //BLT53A上电控制端
sbit LED_GREEN=P2^1;
sbit P15=P1^5;
//-------------------------射频芯片相关定义--------------------------------------------
#defineRF4432_TxRxBuf_Len32 //定义RF4432数据包长度
char RF4432_TxRxBuf[RF4432_TxRxBuf_Len];
unsignedcharPacket[30]={9,20,30,21,15,58,56,69,25,23,12,25,56,22,23,24};//Transmitpacket
unsignedcharLength=4;
unsignedcharData_Buf[10];
unsignedcharData_Len;
typedefenum_RF_ENUM
{
RF_OK = 0x00, //functionresponseparameters
RF_ERROR_TIMING = 0x01,
RF_ERROR_PARAMETER=0x02,
RF_PACKET_RECEIVED =0x03,
RF_NO_PACKET = 0x04,
RF_CRC_ERROR=0x05,
}RF_ENUM;
//----------------------------RF4432配置寄存器地址--------------------------------
#defineDEVICE_TYPE0x00
#defineEVICE_VERSION 0x01 //版本号
#defineDEVICE_STATUS 0x02 //设备状态
#defineINTERRUPT_STATUS_1 0x03
#defineINTERRUPT_STATUS_2 0x04
#defineINTERRUPT_ENABLE_10x05
#defineINTERRUPT_ENABLE_20x06
#defineOPERATING_FUNCTION_CONTROL_1 0x07 //工作模式和功能控制1
#defineOPERATING_FUNCTION_CONTROL_20x08 //工作模式和功能控制2
#defineCRYSTAL_OSCILLATOR_LOAD_CAPACITANCE 0x09 //晶振负载电容设置
#defineMICROCONTROLLER_OUTPUT_CLOCK0x0A
#defineGPIO0_CONFIGURATION0x0B //GPIO0功能设置寄存器见英文文档第105页
#defineGPIO1_CONFIGURATION 0x0C
#defineGPIO2_CONFIGURATION0x0D
#defineIO_PORT_CONFIGURATION0x0E
#defineADC_CONFIGURATION 0x0F
#defineADC_SENSOR_AMPLIFIER_OFFSET 0x10
#defineADC_VALUE0x11
#defineTEMPERATURE_SENSOR_CONTROL 0x12 //温度传感器校准
#defineTEMPERATURE_VALUE_OFFSET0x13
#defineWAKE_UP_TIMER_PERIOD_1 0x14
#defineWAKE_UP_TIMER_PERIOD_2 0x15
#defineWAKE_UP_TIMER_PERIOD_3 0x16
#defineWAKE_UP_TIMER_VALUE_10x17
#defineWAKE_UP_TIMER_VALUE_20x18
#defineLOW_DUTY_CYCLE_MODE_DURATION0x19
#defineLOW_BATTERY_DETECTOR_THRESHOLD 0x1A //低压检测阈值寄存器
#defineBATTERY_VOLTAGE_LEVEL 0x1B
#defineIF_FILTER_BANDWIDTH 0x1C //中频滤波器带宽寄存器
#defineAFC_LOOP_GEARSHIFT_OVERRIDE0x1D
#defineAFC_TIMING_CONTROL 0x1E
#defineCLOCK_RECOVERY_GEARSHIFT_OVERRIDE 0x1F
#defineCLOCK_RECOVERY_OVERSAMPLING_RATIO0x20
#defineCLOCK_RECOVERY_OFFSET_20x21
#defineCLOCK_RECOVERY_OFFSET_1 0x22
#defineCLOCK_RECOVERY_OFFSET_00x23
#defineCLOCK_RECOVERY_TIMING_LOOP_GAIN_1 0x24
#defineCLOCK_RECOVERY_TIMING_LOOP_GAIN_00x25
#defineRECEIVED_SIGNAL_STRENGTH_INDICATOR0x26
#defineRSSI_THRESHOLD_FOR_CLEAR_CHANNEL_INDICATOR0x27
#defineANTENNA_DIVERSITY_REGISTER_10x28
#defineANTENNA_DIVERSITY_REGISTER_20x29
#defineDATA_ACCESS_CONTROL0x30
#defineEZMAC_STATUS0x31
#defineHEADER_CONTROL_10x32 //Header起始码设置
#defineHEADER_CONTROL_20x33
#definePREAMBLE_LENGTH 0x34 //前导码长度
#definePREAMBLE_DETECTION_CONTROL 0x35 //前导码检测设置
#defineSYNC_WORD_30x36 //同步字节
#defineSYNC_WORD_20x37
#defineSYNC_WORD_1 0x38
#defineSYNC_WORD_00x39
#defineTRANSMIT_HEADER_3 0x3A
#defineTRANSMIT_HEADER_2 0x3B
#defineTRANSMIT_HEADER_1 0x3C
#defineTRANSMIT_HEADER_0 0x3D
#defineTRANSMIT_PACKET_LENGTH 0x3E //发送数据包长度，详细请看P125页
#defineCHECK_HEADER_3 0x3F
#defineCHECK_HEADER_2 0x40
#defineCHECK_HEADER_10x41
#defineCHECK_HEADER_0 0x42
#defineHEADER_ENABLE_3 0x43
#defineHEADER_ENABLE_2 0x44
#defineHEADER_ENABLE_1 0x45
#defineHEADER_ENABLE_0 0x46
#defineRECEIVED_HEADER_3 0x47
#defineRECEIVED_HEADER_2 0x48
#defineRECEIVED_HEADER_1 0x49
#defineRECEIVED_HEADER_0 0x4A
#defineRECEIVED_PACKET_LENGTH 0x4B //接收数据包长度，详细请看P134页
#defineANALOG_TEST_BUS 0x50
#defineDIGITAL_TEST_BUS_ENSCTEST_ 0x51
#defineTX_RAMP_CONTROL 0x52
#definePLL_TUNE_TIME 0x53 //锁相环切换时间
#defineCALIBRATION_CONTROL 0x55
#defineMODEM_TEST 0x56
#defineCHARGEPUMP_TEST 0x57
#defineCHARGEPUMP_CURRENT_TRIMMING_OVERRIDE 0x58
#defineDIVIDER_CURRENT_TRIMMING 0x59
#defineVCO_CURRENT_TRIMMING 0x5A
#defineVCO_CALIBRATION_OVERRIDE 0x5B
#defineSYNTHESIZER_TEST 0x5C
#defineBLOCK_ENABLE_OVERRIDE_1 0x5D
#defineBLOCK_ENABLE_OVERRIDE_2 0x5E
#defineBLOCK_ENABLE_OVERRIDE_3 0x5F
#defineCHANNEL_FILTER_COEFFICIENT_ADDRESS 0x60
#defineCHANNEL_FILTER_COEFFICIENT_VALUE 0x61
#defineCRYSTAL_OSCILLATOR_CONTROL_TEST 0x62
#defineRC_OSCILLATOR_COARSE_CALIBRATION_OVERRIDE 0x63
#defineRC_OSCILLATOR_FINE_CALIBRATION_OVERRIDE 0x64
#defineLDO_CONTROL_OVERRIDE_ENSPOR 0x65
#defineLDO_LEVEL_SETTING 0x66
#defineDELTASIGMA_ADC_TUNING_1 0x67
#defineDELTASIGMA_ADC_TUNING_2 0x68
#defineAGC_OVERRIDE_1 0x69
#defineAGC_OVERRIDE_2 0x6A
#defineGFSK_FIR_FILTER_COEFFICIENT_ADDRESS 0x6B
#defineGFSK_FIR_FILTER_COEFFICIENT_VALUE 0x6C
#defineTX_POWER 0x6D //发射功率设置,详细请见P153
#defineTX_DATA_RATE_1 0x6E //数据发送波特率设置寄存器1
#defineTX_DATA_RATE_0 0x6F //数据发送波特率设置寄存器0
#defineMODULATION_MODE_CONTROL_1 0x70 //调制方式控制,详细请见P155
#defineMODULATION_MODE_CONTROL_2 0x71
#defineFREQUENCY_DEVIATION 0x72
#defineFREQUENCY_OFFSET_1 0x73
#defineFREQUENCY_OFFSET_2 0x74
#defineFREQUENCY_BAND_SELECT 0x75 //频段选择,详细请见P157
#defineNOMINAL_CARRIER_FREQUENCY_1 0x76 //基准载波频率
#defineNOMINAL_CARRIER_FREQUENCY_0 0x77
#defineFREQUENCY_HOPPING_CHANNEL_SELECT 0x79 //跳频频道选择,详细请见P158
#defineFREQUENCY_HOPPING_STEP_SIZE 0x7A //跳频频道间隔
#defineTX_FIFO_CONTROL_1 0x7C
#defineTX_FIFO_CONTROL_2 0x7D
#defineRX_FIFO_CONTROL 0x7E
#defineFIFO_ACCESS 0x7F //FIFO读写方式设置，
//-------------------------------RF4432控制指令---------------------------------------------
#defineRR 0x00
#defineWR 0x80
//------------------------------------------------延时------------------------------
voiddelay_10us（charn）
{
inti;
while（n--）
for（i=0;i<5;i++）;
}
voiddelay_ms（intnum）
{
intx,y;
for（y=0;y {
for（x=0;x<500;x）
x++;
}
}
//------------------------------------SPI单字节读取函数-------------------------------------
unsignedcharSPI_Read（void）
{
unsignedchari,rxdata;
rxdata=0x00;
for（i=0;i<8;i++）
{
rxdata=rxdata<<1;
RF4432_SCLK=1;
RF4432_SDO=1;
if（RF4432_SDO==1） //读取最高位，保存至最末尾，通过左移位完成整个字节
{
rxdata|=0x01;
}
else
{
rxdata&=~0x01;
}
delay_10us
（2）;
RF4432_SCLK=0;
delay_10us
（2）;
}
returnrxdata;
}
//--------------------------SPI单字节写入函数----------------------------------------------
voidSPI_Write（unsignedchartxdata）
{
unsignedchari;
for（i=0;i<8;i++）
{
if（txdata&0x80） //总是发送最高位
{
RF4432_SDI=1;
}
else
{
RF4432_SDI=0;
}
RF4432_SCLK=1;
txdata=txdata<<1;
RF4432_SCLK=0;
}
}
//---------------------RF4432寄存器读取函数---------------------------------------------------
void RF4432_ReadReg（unsignedchar addr,unsignedchar*RegisterData）
{
RF4432_SEL=0;
SPI_Write（addr|RR）;
*RegisterData=SPI_Read（）;
RF4432_SEL=1;
}
//----------------RF4432寄存器写入函数----------------------------------------------------------
void RF4432_WriteReg（unsignedchar addr,unsignedcharvalue）
{
RF4432_SEL=0;
SPI_Write（addr|WR）;
SPI_Write（value）;
RF4432_SEL=1;
}
//-----------------------RF4432寄存器读取函数---------------------------------------------
voidRF4432_ReadBurestReg（unsignedchar addr,unsignedchar *p,unsignedchar count）
{
unsignedchari;
RF4432_SEL=0;
SPI_Write（addr|RR）;
for（i=0;i {
p[i]=SPI_Read（）;
}
RF4432_SEL=1;
}
//---------------------------------RF4432射频芯片初始化函数------------------------------------
voidRF4432_Init（void）
{
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