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mcpwm.h

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00001 /*
00002  * $Id: mcpwm.h,v 1.7 2002/12/02 03:58:00 dwalters Exp $
00003  *
00004  * mcpwm.h - This file contains the definitions of the
00005  * functions used to manipulate the MCPWM TPU function.
00006  *
00007  * Copyright (C) 2001 Mike Panetta 
00008  *
00009  * This library is distributed under the terms of the GNU Lesser General
00010  * Public License (LGPL).  You should have received a copy of the
00011  * license along with this library (LGPL.txt); if not, write to
00012  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
00013  * Boston, MA  02111-1307  USA
00014  */
00015 
00032 #ifndef __TPU_MCPWM_H
00033 #define __TPU_MCPWM_H
00034 
00035 #include <68332/types.h>
00036 #include <68332/tpu.h>
00037 
00042 typedef struct _MCPWMObject   MCPWMObject;
00043 
00045 typedef struct _MCPWMObject * MCPWMObjectP;
00046 
00048 struct _MCPWMObject
00049 {
00050         TPUChannel* masterChannel;      
00051         uint16     EAChannels;          
00052         uint16     CAAChannels;         
00053         uint16     CABChannels;         
00054         uint16     priority;            
00055         uint16     period;              
00056         uint16     initialized;         
00057 };
00058 
00059 /* Start of C function declarations */
00060 #ifdef __cplusplus
00061 extern "C" {
00062 #endif
00063 
00082 MCPWMObjectP mcpwm_init (
00083         uint16 tpu_num,
00084         uint16 chan,
00085         uint16 priority,
00086         uint16 period,
00087         uint16 irqr
00088 );
00089 
00102 int mcpwm_start (
00103         MCPWMObjectP handle
00104 );
00105 
00115 void mcpwm_shutdown (
00116         MCPWMObjectP handle
00117 );
00118 
00135 int mcpwm_add_ea (
00136         MCPWMObjectP handle,
00137         uint16 chan,
00138         uint16 high
00139 );
00140 
00153 int mcpwm_set_ea_hightime (
00154         MCPWMObjectP handle,
00155         uint16 chan,
00156         uint16 high
00157 );
00158 
00159 #ifdef __cplusplus
00160 }
00161 #endif
00162 
00163 #endif  // #ifndef __TPU_MCPWM_H

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