Diff: MU2Class.cpp

Revision:

0:6c7ba361f738

Child:

1:c60752b4acb9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MU2Class.cpp	Tue Jul 02 13:13:48 2013 +0000
@@ -0,0 +1,55 @@
+#include "MU2Class.h"
+#include "mbed.h"
+
+MU2Class::MU2Class(PinName tx,PinName rx){
+    _tx=tx;
+    _rx=rx;
+}
+
+uint8_t MU2Class::Store_Str(char data_str[], int index, char Message[]){
+  uint8_t j=0;
+  while(Message[j]!='\0'&&Message[j]!='^')  data_str[index++]=Message[j++];//store char in message into data_str and returns the last index.
+  return index;
+}
+
+void MU2Class::send(const char Send_Message[]){
+  Serial MyMu2(_tx,_rx);
+  Serial pc(USBTX,USBRX);
+  
+  int i=4, str_length=0,send_index=0;
+  char send_data[255];
+  
+  MyMu2.baud(19200);
+  pc.baud(19200);
+
+  send_index=0;//initializing the variant.
+  send_index=Store_Str(send_data, send_index, "@DT00^");//this variant is the last index of the string.The reason why char "^" here is that for the case of the data size 10,20,A0 or something . Store_Str copies the string of its last variant into its first variant .
+
+  while(Send_Message[str_length]!='\0'){
+    send_data[send_index++]=Send_Message[str_length++];//storing the string we wanna send into the send_data until null terminater appers.
+  }
+  send_data[send_index++]='\r';//insert carrige return at the last of send_data.
+  send_data[send_index++]='\n';
+
+  //str_length-=2; //the code block below is for making data size proper.
+
+  for(i=4; i>2; i--){
+    if(str_length%16<10){
+      send_data[i]='0'+str_length%16;
+    }else{
+      switch(str_length%16){
+        case 10:send_data[i]='A'; break;
+        case 11:send_data[i]='B'; break;
+        case 12:send_data[i]='C'; break;
+        case 13:send_data[i]='D'; break;
+        case 14:send_data[i]='E'; break;
+        case 15:send_data[i]='F'; break;
+      }
+    }
+    str_length/=16;
+  }
+  for(int j=0;j<=send_index;j++){
+    MyMu2.putc(send_data[j]);
+    pc.putc(send_data[j]); //for debugging.Comment out when U use this in practice.
+  }
+}
\ No newline at end of file