poc.rar_ pocsag_pocsag_pocsag解码

/* 2006.12.31 广成电子有限公司 BY Mr.DC */ #include <iot2313v.h> #include <macros.h> #define SGIN 0x02//0x02//0x00// //输入信号极性选择（为0时反相） ok 0xoo,dk ft-60r 0x02 0x00// #define DR0 0x04 //接收数据率选择（1200bps） #define DR1 0x00 #define CSEL 0x40 //选择COUT脚输出时钟率（76.8kHz） #define CDIS 0x00 //关闭COUT时钟输出（置位时时钟输出有效） #define EE0 0x01 #define EE1 0x02 #define ADRS 0x00 #define OR0 0x00 #define OR1 0x00 #define POS_BUSY (1 << PD3) #define POS_DI (1 << PD4) #define POS_CLK (1 << PD5) #define POS_INT (1 << PD2) #define POS_ORNG (1 << PB2) #define POS_CS (1 << PB3) #define POS_DO (1 << PB4) #define POS_DDR DDRD #define POS_PORT PORTD #define POS_PIN PIND #define POS_CS_DDR DDRB #define POS_CS_PORT PORTB #define POS_CS_PIN PINB #define SET_POS_INT_TO_OUT POS_DDR |= POS_INT;POS_PORT |= POS_INT; #define SET_POS_INT_TO_IN POS_DDR &= ~POS_INT;POS_PORT |= POS_INT; #define POS_INT_H POS_PORT |= POS_INT; #define POS_INT_L POS_PORT &= ~POS_INT; #define POS_INT_IF_L (POS_PIN&POS_INT)==0 #define POS_INT_IF_H (POS_PIN&POS_INT)==POS_INT #define SET_POS_DO_TO_OUT POS_CS_DDR |= POS_DO;POS_CS_PORT |= POS_DO; #define SET_POS_DO_TO_IN POS_CS_DDR &= ~POS_DO;POS_CS_PORT |= POS_DO; #define POS_DO_H POS_CS_PORT |= POS_DO; #define POS_DO_L POS_CS_PORT &= ~POS_DO; #define POS_DO_IF_L (POS_CS_PIN&POS_DO)==0 #define POS_DO_IF_H (POS_CS_PIN&POS_DO)==POS_DO #define SET_POS_BUSY_TO_OUT POS_DDR |= POS_BUSY;POS_PORT |= POS_BUSY; #define SET_POS_BUSY_TO_IN POS_DDR &= ~POS_BUSY;POS_PORT |= POS_BUSY; #define POS_BUSY_H POS_PORT |= POS_BUSY; #define POS_BUSY_L POS_PORT &= ~POS_BUSY; #define POS_BUSY_IF_L (POS_PIN&POS_BUSY)==0 #define POS_BUSY_IF_H (POS_PIN&POS_BUSY)==POS_BUSY #define SET_POS_ORNG_TO_OUT POS_CS_DDR |= POS_ORNG;POS_CS_PORT |= POS_ORNG; #define SET_POS_ORNG_TO_IN POS_CS_DDR &= ~POS_ORNG;POS_CS_PORT |= POS_ORNG; #define POS_ORNG_H POS_CS_PORT |= POS_ORNG; #define POS_ORNG_L POS_CS_PORT &= ~POS_ORNG; #define POS_ORNG_IF_L (POS_CS_PIN&POS_ORNG)==0 #define POS_ORNG_IF_H (POS_CS_PIN&POS_ORNG)==POS_ORNG #define SET_POS_DI_TO_OUT POS_DDR |= POS_DI;POS_PORT |= POS_DI; #define SET_POS_DI_TO_IN POS_DDR &= ~POS_DI;POS_PORT |= POS_DI; #define POS_DI_H POS_PORT |= POS_DI; #define POS_DI_L POS_PORT &= ~POS_DI; #define POS_DI_IF_L (POS_PIN&POS_DI)==0 #define POS_DI_IF_H (POS_PIN&POS_DI)==POS_DI #define SET_POS_CLK_TO_OUT POS_DDR |= POS_CLK;POS_PORT |= POS_CLK; #define SET_POS_CLK_TO_IN POS_DDR &= ~POS_CLK;POS_PORT |= POS_CLK; #define POS_CLK_H POS_PORT |= POS_CLK; #define POS_CLK_L POS_PORT &= ~POS_CLK; #define POS_CLK_IF_L (POS_PIN&POS_CLK)==0 #define POS_CLK_IF_H (POS_PIN&POS_CLK)==POS_CLK #define SET_POS_CS_TO_OUT POS_CS_DDR |= POS_CS;POS_CS_PORT |= POS_CS; #define SET_POS_CS_TO_IN POS_CS_DDR &= ~POS_CS;POS_CS_PORT |= POS_CS; #define POS_CS_H POS_CS_PORT |= POS_CS; #define POS_CS_L POS_CS_PORT &= ~POS_CS; #define POS_CS_IF_L (POS_CS_PIN&POS_CS)==0 #define POS_CS_IF_H (POS_CS_PIN&POS_CS)==POS_CS /* sbit DO=P1^0; //POCSAG DECODER解码数据输出 sbit BUSY=P1^1; //POCSAG DECODER忙标志 sbit DI=P1^3; //POCSAG DECODER控制数据输入 sbit CLK=P1^4; //POCSAG DECODER与MCU串行通信时钟 sbit CS=P1^5; //POCSAG DECODER片选 sbit RESET=P1^6; //POCSAG DECODER复位控制 sbit INT=P3^2; //POCSAG解码数据有效请求 */ void delay(void); //延时函数声明 void RUN(void); //启动函数声明 void ReadMsg(void); //读消息函数声明 void WriteReg(unsigned char,unsigned char); //写寄存器函数声明 void set_pos_int(void); unsigned char Msg[20],remained; unsigned long int ID=1234000; unsigned char msgcout; unsigned char pos_int_f = 0; void Usart1_init(void); void putchar(unsigned char tx_data); void main(void) { unsigned int dly; unsigned char ch,cn; //RESET=0; for(dly=0;dly<500;dly++); //RESET=1; //设置串口工作方式和波特率 asm("cli"); asm("wdr"); WDTCR = 0b10111001; WDTCR = 0b10111001; Usart1_init(); set_pos_int(); SET_POS_ORNG_TO_OUT; SET_POS_DI_TO_OUT; SET_POS_CLK_TO_OUT; SET_POS_CS_TO_OUT; SET_POS_INT_TO_IN; SET_POS_DO_TO_IN; SET_POS_BUSY_TO_IN; WriteReg(0x1a,CDIS+CSEL+DR1+DR0+SGIN); //设置OTHERS寄存器0中各位 for(dly=0;dly<500;dly++); WriteReg(0x1b,OR1+OR0+ADRS+EE1+EE0); //设置OTHERS寄存器1中各位 for(dly=0;dly<500;dly++); remained=(unsigned char)(ID%8); ID=ID/8; ch=(unsigned char)(ID&0xff); //设置接收地址 WriteReg(0x00,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)((ID>>8)&0xff); WriteReg(0x01,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)((ID>>16)&0xff); WriteReg(0x02,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)(remained<<3); //设置帧选择寄存器 WriteReg(0x18,ch); for(dly=0;dly<500;dly++); //////////////////// ID=1234008;//校时地址 remained=(unsigned char)(ID%8); ID=ID/8; ch=(unsigned char)(ID&0xff); //设置接收地址 WriteReg(0x04,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)((ID>>8)&0xff); WriteReg(0x05,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)((ID>>16)&0xff); WriteReg(0x06,ch); for(dly=0;dly<500;dly++); ch=(unsigned char)(remained<<3); //设置帧选择寄存器 WriteReg(0x18,ch); for(dly=0;dly<500;dly++); RUN(); //调用启动函数以开始接收消息 asm("sei"); putchar('O'); putchar('K'); while(1) { asm("wdr"); //putchar('U'); if (pos_int_f == 0x55) { pos_int_f = 0x00; for(cn=0;cn<20;cn++) Msg[cn]=0; //putchar('#'); ReadMsg(); //调用读消息函数 } } }//main //***************************************************** //定义延时函数 void delay(void) { unsigned int cn; for(cn=0;cn<200;cn++); for(cn=0;cn<200;cn++); }//delay //**************************************************** //定义写寄存器函数 void WriteReg(unsigned char i,unsigned char j) { unsigned char cn,ch; //while(!BUSY); while(POS_BUSY_IF_L); //CS=0; POS_CS_L;; ch=0x20+i; for(cn=0;cn<8;cn++) { if(ch&0x01){POS_DI_H;} else {POS_DI_L;} POS_CLK_L; delay(); POS_CLK_H; delay(); ch=ch>>1; } ch=j; for(cn=0;cn<8;cn++) { if(ch&0x01){ POS_DI_H;} else {POS_DI_L;} POS_CLK_L; delay(); POS_CLK_H; delay(); ch=ch>>1; } POS_CS_H; }//WiteReg //******************************************************** //定义启动函数 void RUN(void) { unsigned char cn; //while(!BUSY); while(POS_BUSY_IF_L); POS_CS_L; for(cn=0;cn<8;cn++) { POS_DI_H; POS_CLK_L; delay(); POS_CLK_H; delay(); } POS_CS_H; }//RUN //********************************************************* //定义读消息函 void ReadMsg(void) { unsigned char cn,ch,s0,s1,sn,d; //while(!BUSY); while(POS_BUSY_IF_L); //CS=0; POS_CS_L; ch=0x80; s1=0; //Read Status0 Command output for(cn=0;cn<8;cn++) { if(ch&0x01) {POS_DI_H;} else {POS_DI_L;} POS_CLK_L; delay(); POS_CLK_H; delay(); s1=s1>>1; if(POS_DO_IF_H) s1|=0x80; ch=ch>>1; //Status1 Data read } //while(!BUSY); while(POS_BUSY_IF_L); ch=0x00; s0=0; //NOP Command output for(cn=0;cn<8;cn++) { if(ch&0x01) {POS_DI_H;} else {POS_DI_L;} POS_CLK_L; delay(); POS_CLK_H; delay(); s0=s0>>1; if(POS_DO_IF_H) s0|=0x80; ch=ch>>1; //Status0 Data read } if(s0&0x06) goto end1; //如缓冲区已无消息数据或消息误码>=2bit则结束 //while(!BUSY); while(POS_BUSY_IF_L); ch=0xb0; //Read DREG Command output(设置数据输出格式为4bit） for(cn=0; cn<8; cn++)