Daiki Uehara / XBeeGetRssi

For getting RSSI value from xbee

Dependents:   XBeeGetRSSISampleProgram Xbee_s2_RX_versao2

XBeeGetRssi.cpp@8:b1313aaddf17, 2013-08-27 (annotated)

Committer:
ATKINZ117
Date:
Tue Aug 27 09:37:52 2013 +0000
Revision:
8:b1313aaddf17
Parent:
6:2e725705db90 
when I execute this main program, this shows "OKKKK".

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ATKINZ117 6:2e725705db90 1 /*----------------------------------------------------------
ATKINZ117 6:2e725705db90 2 20130824:Todos:improve the performance of this program.
ATKINZ117 6:2e725705db90 3 get only the rssi value.
ATKINZ117 6:2e725705db90 4
ATKINZ117 6:2e725705db90 5
ATKINZ117 6:2e725705db90 6 ----------------------------------------------------------*/
ATKINZ117 6:2e725705db90 7
ATKINZ117 0:d1ff6ea68ab2 8 #include "XBeeGetRssi.h"
ATKINZ117 0:d1ff6ea68ab2 9 #include "mbed.h"
ATKINZ117 4:16396d9ec459 10 //#include <string.h>
ATKINZ117 0:d1ff6ea68ab2 11
ATKINZ117 0:d1ff6ea68ab2 12
ATKINZ117 0:d1ff6ea68ab2 13 XBeeGetRssi::XBeeGetRssi(PinName tx,PinName rx){
ATKINZ117 0:d1ff6ea68ab2 14 _tx=tx;
ATKINZ117 0:d1ff6ea68ab2 15 _rx=rx;
ATKINZ117 0:d1ff6ea68ab2 16 }
ATKINZ117 0:d1ff6ea68ab2 17
ATKINZ117 6:2e725705db90 18 char XBeeGetRssi::getRssi(int n){
ATKINZ117 4:16396d9ec459 19 //int judge_counter=0;
ATKINZ117 4:16396d9ec459 20 int judge_counter=0;
ATKINZ117 4:16396d9ec459 21 int rssi_counter=0;
ATKINZ117 4:16396d9ec459 22 int xbee_message_counter=0;
ATKINZ117 4:16396d9ec459 23
ATKINZ117 0:d1ff6ea68ab2 24 Serial pc(USBTX,USBRX); //for debugging.
ATKINZ117 0:d1ff6ea68ab2 25 Serial _MyXbee(_tx,_rx);
ATKINZ117 0:d1ff6ea68ab2 26
ATKINZ117 6:2e725705db90 27 for(int i=0;i<20;i++){
ATKINZ117 6:2e725705db90 28 _rssi[i]='^'; //initial value
ATKINZ117 6:2e725705db90 29 _xbee_message[i]='^';//initial value;
ATKINZ117 6:2e725705db90 30 }
ATKINZ117 1:8cb27d9eec8e 31
ATKINZ117 4:16396d9ec459 32 // pc.printf("At the first of xbee class.\r\n");
ATKINZ117 2:befae843036e 33 _MyXbee.putc('T');
ATKINZ117 4:16396d9ec459 34 while(_MyXbee.readable()){
ATKINZ117 4:16396d9ec459 35 _xbee_message[0]=_MyXbee.getc();
ATKINZ117 0:d1ff6ea68ab2 36 }
ATKINZ117 0:d1ff6ea68ab2 37
ATKINZ117 4:16396d9ec459 38 // pc.printf("first message from xbee;%s\r\n",_xbee_message[0]);
ATKINZ117 4:16396d9ec459 39 wait(1.0);
ATKINZ117 4:16396d9ec459 40 //_MyXbee.printf("+++"); //entering AT command mode.
ATKINZ117 4:16396d9ec459 41 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 42 wait_ms(1);
ATKINZ117 4:16396d9ec459 43 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 44 wait_ms(1);
ATKINZ117 4:16396d9ec459 45 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 46 wait_ms(1);
ATKINZ117 4:16396d9ec459 47 // pc.printf("sent +++\r\n");
ATKINZ117 4:16396d9ec459 48 while(_xbee_message[judge_counter++]!='\r'){
ATKINZ117 4:16396d9ec459 49 while(_MyXbee.readable()){
ATKINZ117 4:16396d9ec459 50 _xbee_message[xbee_message_counter++]=_MyXbee.getc();
ATKINZ117 4:16396d9ec459 51 }
ATKINZ117 4:16396d9ec459 52 }_xbee_message[judge_counter]='\0';
ATKINZ117 4:16396d9ec459 53 judge_counter=0; //reset counter for later use
ATKINZ117 4:16396d9ec459 54 xbee_message_counter=0; //reset counter for later use
ATKINZ117 4:16396d9ec459 55
ATKINZ117 4:16396d9ec459 56 // while(_xbee_message[judge_counter++]!='\0'){
ATKINZ117 4:16396d9ec459 57 // pc.printf("got xbee message;%s\r\n",_xbee_message[xbee_message_counter++]);
ATKINZ117 4:16396d9ec459 58 //}
ATKINZ117 4:16396d9ec459 59 wait(1.0);
ATKINZ117 4:16396d9ec459 60 judge_counter=0;
ATKINZ117 4:16396d9ec459 61 xbee_message_counter=0;
ATKINZ117 4:16396d9ec459 62
ATKINZ117 4:16396d9ec459 63 _MyXbee.putc('A');
ATKINZ117 6:2e725705db90 64 wait_ms(5);
ATKINZ117 4:16396d9ec459 65 _MyXbee.putc('T');
ATKINZ117 6:2e725705db90 66 wait_ms(10);
ATKINZ117 4:16396d9ec459 67 _MyXbee.putc('D');
ATKINZ117 6:2e725705db90 68 wait_ms(10);
ATKINZ117 4:16396d9ec459 69 _MyXbee.putc('B');
ATKINZ117 6:2e725705db90 70 wait_ms(10);
ATKINZ117 4:16396d9ec459 71 _MyXbee.putc('\r');
ATKINZ117 6:2e725705db90 72 wait_ms(10);
ATKINZ117 4:16396d9ec459 73 // pc.printf("sent ATDB!\r\n");
ATKINZ117 4:16396d9ec459 74
ATKINZ117 8:b1313aaddf17 75 /*while(_rssi[judge_counter++]!='\0'){
ATKINZ117 4:16396d9ec459 76 while(_MyXbee.readable()){
ATKINZ117 4:16396d9ec459 77 _rssi[rssi_counter++]=_MyXbee.getc();
ATKINZ117 4:16396d9ec459 78 //rssi_counter++;
ATKINZ117 4:16396d9ec459 79 }
ATKINZ117 8:b1313aaddf17 80 }*/
ATKINZ117 8:b1313aaddf17 81 do{
ATKINZ117 8:b1313aaddf17 82 while(_MyXbee.readable()){
ATKINZ117 8:b1313aaddf17 83 _rssi[rssi_counter++]=_MyXbee.getc();
ATKINZ117 8:b1313aaddf17 84 }
ATKINZ117 8:b1313aaddf17 85 }while(_rssi[judge_counter++]!='^');
ATKINZ117 4:16396d9ec459 86
ATKINZ117 4:16396d9ec459 87 _MyXbee.putc('A');
ATKINZ117 6:2e725705db90 88 wait_ms(5);
ATKINZ117 4:16396d9ec459 89 _MyXbee.putc('T');
ATKINZ117 6:2e725705db90 90 wait_ms(5);
ATKINZ117 4:16396d9ec459 91 _MyXbee.putc('C');
ATKINZ117 6:2e725705db90 92 wait_ms(5);
ATKINZ117 4:16396d9ec459 93 _MyXbee.putc('N');
ATKINZ117 6:2e725705db90 94 wait_ms(5);
ATKINZ117 4:16396d9ec459 95 _MyXbee.putc('\r');
ATKINZ117 4:16396d9ec459 96
ATKINZ117 4:16396d9ec459 97 return _rssi[n];
ATKINZ117 4:16396d9ec459 98
ATKINZ117 4:16396d9ec459 99 }