Revision 3:ddeb620fb25e, committed 2014-02-05

Comitter:

ngoldin

Date:

Wed Feb 05 10:32:04 2014 +0000

Parent:

2:12c38a710982

Child:

4:3cdbefbd2409

Commit message:

added readline. it is not debugged yet

Changed in this revision

--- a/btbee.cpp	Thu May 16 14:01:24 2013 +0000
+++ b/btbee.cpp	Wed Feb 05 10:32:04 2014 +0000
@@ -49,3 +49,23 @@
 return 1;
 }
 
+/* Read from the serial as long as no LF (\n) char has been read.
+*  WARNING: This will block your program if no LF is received. 
+*  Params: pointer to char array for the return, 
+*          int containing the length of the char array
+*          pointer to int for return of chars read 
+*  Return: 1 if ok, 0 if array full but more there to read
+*/
+int btbee::read_line(char * arr, const int len, int * chars_read){
+int pos=0;
+do 
+{
+    while(!readable()){}
+    if (pos==len){return 0;}
+    arr[pos]=getc(); 
+    pos++;
+    *chars_read = pos;
+}
+while (!(arr[pos]=='\n'));
+return 1;
+}

--- a/btbee.h	Thu May 16 14:01:24 2013 +0000
+++ b/btbee.h	Wed Feb 05 10:32:04 2014 +0000
@@ -14,6 +14,7 @@
   void factory_baud(void);
   void default_baud(void);
   int read_all(char*,const int, int*);
+  int read_line(char*,const int, int*);
 
  protected:
   DigitalOut reset_out;