Revision 10:a12166fc8c19, committed 2018-05-03

Comitter:

Maximousse

Date:

Thu May 03 12:06:02 2018 +0000

Parent:

9:f65c5aa1775c

Commit message:

test2

Changed in this revision

diff -r f65c5aa1775c -r a12166fc8c19 m3pi.cpp
--- a/m3pi.cpp	Mon Nov 23 23:22:28 2015 +0000
+++ b/m3pi.cpp	Thu May 03 12:06:02 2018 +0000
@@ -182,6 +182,19 @@
     return(0);
 }
 
+
+void m3pi::play (char* music, int length) {
+    // The default 3pi serial slave program
+    // will not accept music strings longer than 100.
+    if (length > 100)
+        length = 100;
+    _ser.putc(DO_PLAY);
+    _ser.putc(length);
+    for (int i = 0 ; i < length ; i++) {
+        _ser.putc(music[i]); 
+    }
+}
+
 int m3pi::_putc (int c) {
     _ser.putc(DO_PRINT);  
     _ser.putc(0x1);       

diff -r f65c5aa1775c -r a12166fc8c19 m3pi.h
--- a/m3pi.h	Mon Nov 23 23:22:28 2015 +0000
+++ b/m3pi.h	Thu May 03 12:06:02 2018 +0000
@@ -223,6 +223,16 @@
      * @param int The character to send to the 3pi
      */
     int print(char* text, int length);
+    
+    /** Send a string buffer to the 3pi serial interface for
+     * playing music. See here for details about the string's 
+     * format:
+     *   http://www.pololu.com/docs/0J18/3
+     * @param music A pointer to a char array
+     * @param length The length of the music string
+     */
+    void play(char* music, int length);
+ 
 
 #ifdef MBED_RPC
     virtual const struct rpc_method *get_rpc_methods();