Diff: PCA9629.cpp

Revision:

2:2d07f1c46eb3

Parent:

0:77dbce152406

--- a/PCA9629.cpp	Thu Feb 02 05:23:12 2012 +0000
+++ b/PCA9629.cpp	Fri Feb 03 03:44:06 2012 +0000
@@ -36,7 +36,6 @@
 }
 
 void PCA9629::init_registers( void ) {
-    int     error_code;
     char    init_array[] = { 0x80,                                                //  register access start address (0x00) with incremental access flag (MSB)
                             0x30, 0xE2, 0xE4, 0xE6, 0xE0, 0x02, 0x10,             //  for registers MODE - WDCNTL (0x00 - 0x06
                             0x00, 0x00,                                           //  for registers IP and INTSTAT (0x07, 0x08)
@@ -44,14 +43,20 @@
                             0x00, 0x00, 0x30, 0x00, 0x82, 0x66, 0x82, 0x06,       //  for registers SETMODE - CCWPWH (0x12 - 0x19)
                             0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,       //  for registers CWSCOUNTL - CCWRCOUNTH (0x1A - 0x21)
                             0x00, 0x00,                                           //  for registers EXTRASTEPS0 and EXTRASTEPS1 (0x22, 0x23)
-                            0x00, 0x00, 0x94                                      //  for registers RMPCNTL - MCNTL (0x24 - 0x26)
+                            0x00, 0x00, 0x00                                      //  for registers RMPCNTL - MCNTL (0x24 - 0x26)
                            };
 
-    error_code  = i2c.write( i2c_addr, init_array, sizeof( init_array ) );
+    set_all_registers( init_array, sizeof( init_array ) );
+}
+
+void PCA9629::set_all_registers( char *a, char size )
+{
+    int     error_code;
+
+    error_code  = i2c.write( i2c_addr, a, size );
 
     if ( error_code )
         error( "error @ initializing PCA9629" );
-
 }
 
 void PCA9629::write( RegisterName register_name, char value ) {
@@ -121,6 +126,10 @@
     return ( data[ 1 ] << 8 | data[ 0 ] );
 }
 
+void PCA9629::start( Direction dir ) {
+    write( MCNTL, 0xA8 | dir );
+}
+
 void PCA9629::stop( void ) {
     write( MCNTL, 0x00 );
 }