xbee.zip_xbee_xbee设置

#include "include.h" extern u8t USART0_RxTail ; extern u8t USART0_RxHead ; extern u8t Uart0_rx_buf[128]; extern u16t t10ms_flag; /*******read channel*******/ u8t Read_ch(void) { unsigned char i,j,k; DDRF &= ~0x0f; //read PF0-PF3 i = PINF; j = PINF&0x0f; //取低四位 j = (~j)&0x0f; //取反 //k =(j&0x01)*8+((j&0x02)>>1)*4+((j&0x04)>>2)*2+((j&0x08)>>3)*1; //倒换顺序 return(j); } u8t ch_last; u8t ch_now; /*******diagnose ch change********/ u8t Ch_change(void) { ch_now=Read_ch(); if(ch_now==ch_last) { return(0); } else { ch_last=ch_now; return(1); } } /*******xbee reset ************/ void Xbee_reset(void) { DDRB |= 0x10; //PB4 PORTB &=~0x10; delay_100us(2); PORTB &=~0x10; } int Read_sc(void) { char cmd[8] = {0x7E, 0x00, 0x04, 0x08, 'R', 'S', 'C', 0x0f}; char i,j,k,m; char ch_h,ch_l; char ch[11]; int xbee_ch; Uart0_Tx_String(cmd, 8); i=DataInReceiveBuffer(); j=i; if(j==0) { for(k=0;k<11;k++) { ch[k]=UART_Read(0); //Uart1_Tx(ch[k]); } if((ch[0]==0x7e)&&(ch[1]==0x00)) { if((ch[2]==0x07)&&(ch[3]==0x88)) { if((ch[4]==0x52)&&(ch[5]==0x53)) { ch_h=ch[8]; ch_l=ch[9]; } } } //Uart1_Tx(ch_h); //Uart1_Tx(ch_l); xbee_ch=ch_h*256+ch_l; return(xbee_ch); } } void write_sc(u8t ch) { if ((ch > 16) || (ch < 1)) { return 0; } unsigned int ch_; ch_ = 1 << ch; char cmd_w_sc[10] = {0x7e, 0x00, 0x06, 0x09, 'W', 'S', 'C', 0x20, 0x00, 0xe9}; char cmd_r_wr[8] = {0x7e, 0x00, 0x04, 0x08, 'R', 'W', 'R', 0xfc}; char cmd_r_ac[8] = {0x7e, 0x00, 0x04, 0x08, 'R', 'A', 'C', 0x21}; cmd_w_sc[7] = (unsigned char)((ch_ >> 8) & 0xFF); cmd_w_sc[8] = (unsigned char)((ch_ >> 0) & 0xFF); cmd_w_sc[9] = CalCheckSum(cmd_w_sc+3, 6); Uart0_Tx_String(cmd_w_sc, 10); Uart0_Tx_String(cmd_r_wr, 8); Uart0_Tx_String(cmd_r_ac, 8); return 1; } u8t Match(void) { //Xbee_reset(); //delay_100ms(1); char R_ch,R_ch_temp; R_ch=Read_ch(); //读设置通道 R_ch_temp=R_ch; write_sc(R_ch_temp); //写通道 delay_100us(100); int R_sc,R_sc_temp,temp3; R_sc=Read_sc(); //读xbee 通道 R_sc_temp=R_sc; temp3=1<<R_ch_temp; if(R_sc_temp==temp3) //匹配 {return(1);} else {return(0);} }