Diff: XBeeGetRssi.cpp

Revision:

6:2e725705db90

Parent:

5:790675fae748

Child:

7:588a7745cc0e

Child:

8:b1313aaddf17

--- a/XBeeGetRssi.cpp	Sat Aug 24 07:07:50 2013 +0000
+++ b/XBeeGetRssi.cpp	Sun Aug 25 13:50:36 2013 +0000
@@ -1,3 +1,10 @@
+/*----------------------------------------------------------
+20130824:Todos:improve the performance of this program.
+get only the rssi value.
+
+
+----------------------------------------------------------*/
+
 #include "XBeeGetRssi.h"
 #include "mbed.h"
 //#include <string.h>
@@ -8,7 +15,7 @@
     _rx=rx;
 }
 
-char XBeeGetRssi::get(int n){
+char XBeeGetRssi::getRssi(int n){
     //int judge_counter=0;
     int judge_counter=0;
     int rssi_counter=0;
@@ -17,9 +24,10 @@
     Serial pc(USBTX,USBRX); //for debugging.
     Serial _MyXbee(_tx,_rx);
     
-    _rssi[0]='P'; //initial value
-    _xbee_message[0]='P';//initial value;
-    
+    for(int i=0;i<20;i++){
+        _rssi[i]='^'; //initial value
+        _xbee_message[i]='^';//initial value;
+    }
     
 //    pc.printf("At the first of xbee class.\r\n");
     _MyXbee.putc('T');
@@ -31,11 +39,11 @@
     wait(1.0);
     //_MyXbee.printf("+++"); //entering AT command mode.
     _MyXbee.putc('+');
-    wait_ms(100);
+    wait_ms(1);
     _MyXbee.putc('+');
-    wait_ms(100);
+    wait_ms(1);
     _MyXbee.putc('+');
-    wait_ms(100);
+    wait_ms(1);
 //    pc.printf("sent +++\r\n");
     while(_xbee_message[judge_counter++]!='\r'){
         while(_MyXbee.readable()){
@@ -53,15 +61,15 @@
     xbee_message_counter=0;
     
     _MyXbee.putc('A');
-    wait_ms(100);
+    wait_ms(5);
     _MyXbee.putc('T');
-    wait_ms(100);
+    wait_ms(10);
     _MyXbee.putc('D');
-    wait_ms(100);
+    wait_ms(10);
     _MyXbee.putc('B');
-    wait_ms(100);
+    wait_ms(10);
     _MyXbee.putc('\r');
-    wait_ms(100);
+    wait_ms(10);
 //    pc.printf("sent ATDB!\r\n");
     
     while(_rssi[judge_counter++]!='\0'){
@@ -73,13 +81,13 @@
 //    pc.printf("Here is class end!\r\n");
     
     _MyXbee.putc('A');
-    wait_ms(100);
+    wait_ms(5);
     _MyXbee.putc('T');
-    wait_ms(100);
+    wait_ms(5);
     _MyXbee.putc('C');
-    wait_ms(100);
+    wait_ms(5);
     _MyXbee.putc('N');
-    wait_ms(100);
+    wait_ms(5);
     _MyXbee.putc('\r');
     
     return _rssi[n];