A7121-codeForDirectMode(3Mbps).zip

/********************************************************* ** ** Device: A7121 ** File: main.c ** Author: JPH ** Target: Winbond W77LE58 ** Tools: ICE ** Created: 2009-06-9 ** Description: ** This file is a sample code for your reference. ** ** Copyright (C) 2008 AMICCOM Corp. ** **********************************************************/ #include "define.h" #include "w77le58.h" #include "a7121reg.h" #include "Uti.h" #define TIMEOUT 20 #define t0hrel 1000 #define Freq_Base 0x0858//2403MHz /********************************************************** ** I/O Declaration **********************************************************/ #define SpiCs P1_0 #define SpiClk P1_1 #define SpiRxd P1_4 #define SpiTxd P1_5 #define CdTxenPin P1_7 #define FIFOData P3_0 #define FIFOClk P3_1 #define Ms0Pin P3_2 #define Ms1Pin P3_3 #define FpRdy P3_4 #define ResetPin P3_5 /********************************************************* ** Global Variable Declaration **********************************************************/ Uint8 data timer; Uint8 data TimeoutFlag; Uint16 data Err_BitCnt; Uint16 idata ModeCtlReg; Uint16 idata FifoCtlReg; Uint8 xdata FreqBank[84]; const Uint8 code BitCount_Tab[16] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4}; const Uint8 AccessCode_Tab[9] = {0x54,0x75,0xC5,0x8C,0xC7,0x33,0x45,0xE7,0x2A}; const Uint8 PN9_Tab[]= { 0xFF,0x83,0xDF,0x17,0x32,0x09,0x4E,0xD1, 0xE7,0xCD,0x8A,0x91,0xC6,0xD5,0xC4,0xC4, 0x40,0x21,0x18,0x4E,0x55,0x86,0xF4,0xDC, 0x8A,0x15,0xA7,0xEC,0x92,0xDF,0x93,0x53, 0x30,0x18,0xCA,0x34,0xBF,0xA2,0xC7,0x59, 0x67,0x8F,0xBA,0x0D,0x6D,0xD8,0x2D,0x7D, 0x54,0x0A,0x57,0x97,0x70,0x39,0xD2,0x7A, 0xEA,0x24,0x33,0x85,0xED,0x9A,0x1D,0xE0 }; // This table are 64bytes PN9 pseudo random code. /********************************************************* ** function Declaration **********************************************************/ void initRF(void); Uint8 Calibration_VCO(Uint8 ch); void InitTimer0(void); void Timer0ISR (void); void Rst_Timer0(void); void SpiWrite(Uint16 dataWord,Uint8 address); Uint16 SpiRead(Uint8 address); void ResetRF(void); void SetFreq(Uint8 ch); void SYNth_En(void); void SYNth_Di(void); void SetTRC(Uint8 trc); void TxPacket(void); void RxPacket(void); void WaitRx(void); /********************************************************* * main loop **********************************************************/ void main(void) { //initsw PMR |= 0x01;//set DME0 //initHW P0 = 0xFF; P1 = 0xFF; P2 = 0xFF; P3 = 0xFF; P4 = 0x0F; InitTimer0(); EA=1; initRF(); //init RF SYNth_En(); //synthesizer on if ((P4 & 0x04)==0x04) // 1=master { while(1) { TxPacket(); Delay10ms(5); //delay 50ms } } else // 0=slave { while(1) { WaitRx(); Delay10ms(3); //delay 30ms } } } /********************************************************* ** initRF **********************************************************/ void initRF(void) { Uint8 i; Uint8 a,b,c,RH_value,RL_value; Uint16 tmp; //init i/o pin Ms0Pin = 1; //standby mode Ms1Pin = 0; SpiCs = 1; SpiClk = 0; SpiTxd = 1; SpiRxd = 1; CdTxenPin = 0; //disable CDTXEN FIFOClk = 0; //reset RF chip ResetRF(); //init register SpiWrite(0x0858, SYNTH1_REG); //BNk=0,default freq=2403MHz SpiWrite(0x0C18, SYNTH2_REG); //VTH=0,CP=700uA,default R=24 SpiWrite(0x0CA5, SYSTEM_CLK_REG); //XBR=5,XDR=5,XIR=3 ModeCtlReg = 0x03F3; //RSTN=1,CE=1,SYN=1,TRC=tx state,DR=3Mbps,TRD=1,EXBR=1,EXDR=1,EXIR=1 SpiWrite(ModeCtlReg, MODE_CONTROL_REG); SpiWrite(0xFFD0, TX_CONTROL1_REG); //TXDI=normal,DEV=8(750kHz),GF=off,IA=31,QA=31 SpiWrite(0xE23F, TX_CONTROL2_REG); //PC=63,IO=8,QO=8,IQC=3 SpiWrite(0x06F4, RX_CONTROL1_REG); //RXDI=0,DPC=2,ETH=6,RCP=3,DS=rxsyn->off,SYNI=0 SpiWrite(0x0030, RX_CONTROL2_REG); //VGA=0db,DFG=6 FifoCtlReg = 0x0FC0; //fifo byte count = 64 bytes SpiWrite(FifoCtlReg, FIFO_CONTROL_REG); for (i=0;i<9;i++) SpiWrite((AccessCode_Tab[i]<<8) | AccessCode_Tab[i],ACCESS_CODE_REG); //access code SpiWrite(0x01F4, CALIBRATION_CONTROL1_REG); //MCAL=0,IFC=1,DFC=1,DEMC=1,RHC=1,RLC=1 SpiWrite(0x0001, CALIBRATION_CONTROL2_REG); //ETR=1,FPRS=0 SpiWrite(0x0D83, ADC_REG); //ADC=3,AD[2:0]=0,AD[5:3]=3,AD[8:6]=3 //rx cal SpiWrite(0x01F3, MODE_CONTROL_REG); //EXIF=0 SpiWrite(0x0003, CALIBRATION_CONTROL2_REG); //ECAL=1 Delay10ms(2); //delay 20ms SpiWrite(0x03F3, MODE_CONTROL_REG); //EXIF=1 do { tmp = SpiRead(CALIBRATION_CONTROL2_REG); tmp &= 0x0002; } while (tmp); //check calibration ok? SpiWrite(0x0037, RX_CONTROL2_REG); //VGA=20db,DFG=6 //read calibration value for check a=(SpiRead(IF_FILTER_REG) & 0xFE00)>>9; b=(SpiRead(DATA_FILTER_REG)& 0xFE00)>>9; c=(SpiRead(DEMODULATOR_REG) & 0xFF00)>>8; //RH_value=(SpiRead(RH_REG) & 0xFF00)>>8; //RL_value=(SpiRead(RL_REG)& 0xFF00)>>8; //vco cal for(i=0;i<84;i++) FreqBank[i]=Calibration_VCO(i); } /********************************************************* * Calibration_VCO **********************************************************/ Uint8 Calibration_VCO(Uint8 ch) { Uint8 var_bank; Uint8 ackError; Uint8 i; Uint16 ack; Uint16 var_data; var_bank=0;//init var_bank value SYNth_En();//set SYN=1 var_data = (Freq_Base + ch*4) & 0x1FFF;//mask Bank[2:0] bits for (i=1; i<=8 ;i++)//retry 8 times { var_data &= 0x1FFF; var_data |= (var_bank << 13); SpiWrite(var_data, SYNTH1_REG);//write synthesizer I Delay100us(3);//delay300us ack=SpiRead(SYNTH2_REG); //vt=01 calibration ok if((ack & 0xc000)==0x4000) { ackError=0; break; } //vt=00 freq too low if((ack & 0xc000)==0x0000) { if(var_bank==7) { ackError=1; break; } var_bank++; } //vt=11 freq too high if((ack & 0xc000)==0xc000) { if(var_bank==0) { ackError=1; break; } var_bank--; } } SYNth_Di();//set SYN=0 if(ackError) return 0xFF; else return var_bank; } /********************************************************* ** init Timer0 **********************************************************/ void InitTimer0(void) { TR0 = 0; TMOD =0x01;//timer0 mode=1 TH0 = (65536-t0hrel)>>8;// Reload Timer0 high byte,low byte TL0 = 65536-t0hrel; TF0 = 0;// Clear any pending Timer0 interrupts ET0 = 1;// Enable Timer0 interrupt } /********************************************************************* ** timer0ISR *********************************************************************/ void Timer0ISR (void) interrupt 1 { TF0 = 0;// Clear Timer0 interrupt TH0 = (65536-t0hrel)>>8;// Reload Timer0 high byte TL0 = 65536-t0hrel;// Reload Timer0 low byte timer++; if (timer == TIMEOUT) { TimeoutFlag=1; TR0 = 0;// Stop timer timer=0; } } /********************************************************* ** Rst_Timer0 **********************************************************/ void Rst_Timer0(void) { TR0 = 0; TH0 = (65536-t0hrel)>>8; // Reload Timer0 high byte TL0 = 65536-t0hrel; TF0 = 0; timer = 0; TimeoutFlag = 0; } /********************************************************* ** Sp