Daiki Uehara / XBeeGetRssi

For getting RSSI value from xbee

Dependents:   XBeeGetRSSISampleProgram Xbee_s2_RX_versao2

XBeeGetRssi.cpp@11:ecd033d3e211, 2013-08-28 (annotated)

Committer:
ATKINZ117
Date:
Wed Aug 28 08:57:07 2013 +0000
Revision:
11:ecd033d3e211
Parent:
10:c33541aecc99
Child:
12:7ec2a4147b44
the best version at 2013082817:56

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 9:eb8838ce9d65 18 char* XBeeGetRssi::getRssi(/*int n*/){
ATKINZ117 4:16396d9ec459 19 //int judge_counter=0;
ATKINZ117 4:16396d9ec459 20 int judge_counter=0;
ATKINZ117 11:ecd033d3e211 21 int rssi_counter=2;
ATKINZ117 7:588a7745cc0e 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 11:ecd033d3e211 27 _rssi[0]='0';
ATKINZ117 11:ecd033d3e211 28 _rssi[1]='0';
ATKINZ117 11:ecd033d3e211 29
ATKINZ117 11:ecd033d3e211 30 for(int i=2;i<20;i++){
ATKINZ117 11:ecd033d3e211 31 _rssi[i]='0'; //initial value
ATKINZ117 6:2e725705db90 32 }
ATKINZ117 1:8cb27d9eec8e 33
ATKINZ117 2:befae843036e 34 _MyXbee.putc('T');
ATKINZ117 0:d1ff6ea68ab2 35
ATKINZ117 4:16396d9ec459 36 wait(1.0);
ATKINZ117 4:16396d9ec459 37 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 38 wait_ms(1);
ATKINZ117 4:16396d9ec459 39 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 40 wait_ms(1);
ATKINZ117 4:16396d9ec459 41 _MyXbee.putc('+');
ATKINZ117 6:2e725705db90 42 wait_ms(1);
ATKINZ117 7:588a7745cc0e 43
ATKINZ117 11:ecd033d3e211 44 //judge_counter=0; //reset counter for later use
ATKINZ117 7:588a7745cc0e 45
ATKINZ117 4:16396d9ec459 46 wait(1.0);
ATKINZ117 4:16396d9ec459 47
ATKINZ117 4:16396d9ec459 48 _MyXbee.putc('A');
ATKINZ117 6:2e725705db90 49 wait_ms(5);
ATKINZ117 4:16396d9ec459 50 _MyXbee.putc('T');
ATKINZ117 6:2e725705db90 51 wait_ms(10);
ATKINZ117 4:16396d9ec459 52 _MyXbee.putc('D');
ATKINZ117 6:2e725705db90 53 wait_ms(10);
ATKINZ117 4:16396d9ec459 54 _MyXbee.putc('B');
ATKINZ117 6:2e725705db90 55 wait_ms(10);
ATKINZ117 4:16396d9ec459 56 _MyXbee.putc('\r');
ATKINZ117 6:2e725705db90 57 wait_ms(10);
ATKINZ117 4:16396d9ec459 58
ATKINZ117 5:790675fae748 59 while(_rssi[judge_counter++]!='\0'){
ATKINZ117 4:16396d9ec459 60 while(_MyXbee.readable()){
ATKINZ117 4:16396d9ec459 61 _rssi[rssi_counter++]=_MyXbee.getc();
ATKINZ117 4:16396d9ec459 62 }
ATKINZ117 7:588a7745cc0e 63 }
ATKINZ117 11:ecd033d3e211 64 if(_rssi[5]=='T'){
ATKINZ117 11:ecd033d3e211 65 _rssi_address=&_rssi[9];
ATKINZ117 11:ecd033d3e211 66 }else{
ATKINZ117 11:ecd033d3e211 67 _rssi_address=&_rssi[0];
ATKINZ117 11:ecd033d3e211 68 }
ATKINZ117 4:16396d9ec459 69
ATKINZ117 4:16396d9ec459 70 _MyXbee.putc('A');
ATKINZ117 6:2e725705db90 71 wait_ms(5);
ATKINZ117 4:16396d9ec459 72 _MyXbee.putc('T');
ATKINZ117 6:2e725705db90 73 wait_ms(5);
ATKINZ117 4:16396d9ec459 74 _MyXbee.putc('C');
ATKINZ117 6:2e725705db90 75 wait_ms(5);
ATKINZ117 4:16396d9ec459 76 _MyXbee.putc('N');
ATKINZ117 6:2e725705db90 77 wait_ms(5);
ATKINZ117 4:16396d9ec459 78 _MyXbee.putc('\r');
ATKINZ117 4:16396d9ec459 79
ATKINZ117 9:eb8838ce9d65 80 return _rssi_address;
ATKINZ117 4:16396d9ec459 81
ATKINZ117 4:16396d9ec459 82 }