diff gpf/INC/ipcapi.h @ 0:509db1a7b7b8

initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpf/INC/ipcapi.h	Mon Jun 01 03:24:05 2015 +0000
@@ -0,0 +1,192 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project : PCO
+|  Modul   : inc\ipcapi.h
++----------------------------------------------------------------------------- 
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :  API definition for IPC
++----------------------------------------------------------------------------- 
+*/ 
+#ifndef IPCAPI_H
+#define IPCAPI_H
+
+#include "cms.h"
+
+#undef EXPORT
+#include <typedefs.h>
+
+/* define extra function codes for driver ipc */
+#define IPC_SELF        10
+#define IPC_INITCH      11
+#define IPC_EXITCH      12
+#define IPC_OPENCH      13
+#define IPC_CLOSECH     14
+#define IPC_READCH      15
+#define IPC_WRITECH     16
+#define IPC_CREATEMSG   17
+#define IPC_PARSEMSG    18
+#define IPC_ISMYADDR    19
+#define IPC_GETHANDLE   20
+#define IPC_SETTIME     21
+
+
+/**********************************************************************
+ * macros
+ *********************************************************************/
+
+#define MSG_ID( Group, Code )     (((Group) << 8) + ((Code) & 0xFF))
+
+
+/**********************************************************************
+ * defines
+ *********************************************************************/
+
+/* return codes                                                      */
+#define IPC_OK             CMS_OK      
+#define IPC_ERROR          CMS_ERROR   
+#define IPC_EXIST          CMS_EXIST      
+#define IPC_FULL           CMS_FULL          
+#define IPC_BADHANDLE      CMS_BADHANDLE     
+#define IPC_EMPTY          CMS_EMPTY   
+#define IPC_SIZE           CMS_SIZE    
+#define IPC_TIMEOUT        CMS_TIMEOUT
+#define IPC_NOMEM          CMS_NOMEM
+#define IPC_INVALID        (-20)
+#define IPC_MISALIGNED     (-21)
+
+
+
+#define IPC_MAX_PATH_SIZE  120
+
+/* msg IDs: */
+#define IPC_GENERATED      MSG_ID(IPC,1)
+
+#define ALIGNMENT         1
+#define MSG_MAX_SIZE    512
+
+/**********************************************************************
+ * types
+ *********************************************************************/
+
+
+typedef int IPC_HANDLE;
+
+typedef struct
+{
+   char *pcSender;
+   char *pcReceiver;
+   void *pvBuffer;
+   U32   ulTime;
+   U16   uwTenthOfMS;
+   U16   uwSize;
+   U16   uwID;
+} MSG_HEADER;
+
+
+
+#if   ALIGNMENT == 1
+   typedef U8  MSG_BUFFER [MSG_MAX_SIZE];
+#elif ALIGNMENT == 2
+   typedef U16 MSG_BUFFER [(MSG_MAX_SIZE + 1) / 2];
+#elif ALIGNMENT == 4
+   typedef U32 MSG_BUFFER [(MSG_MAX_SIZE + 3) / 4];
+#else
+   #error "invalid alignment"
+#endif
+
+
+/* standard funtions: */
+
+
+/*********************************************************************/
+U16 ipc_createMsg (     /* @func Create a message.                   */
+   void       *pvBuffer,/* @parm Buffer for the message to store.    */
+   U16         uwSize,  /* @parm Size of the buffer.                 */
+   MSG_HEADER  Msg      /* @parm Settings for the message to create. */
+   );                   /* @returnvalue One of the values below.     */
+/*---------------------------------------------------------------------
+ * @description      The function creates a message out of the settings
+ *                   that are stored in the structure. The resulting
+ *                   message will be written to the buffer.
+ *
+ *                   Attention: The address of the buffer MUST be
+ *                              aligned (multiple of ALIGNMENT)
+ *
+ *                   Sender and Receiver will be inserted in normalized
+ *                   form (= absolute address) !
+ *
+ * @tablex           Return values:                                   |
+ *                   Value          Description
+ *                   --------------------------------------------------
+ *                   > 0            Size of the message.
+ *                   = 0            Buffer too small, invalid settings.
+ *
+ * @tablex           Content of pHdr:                                 |
+ *                   Setting        Description
+ *                   -------------- -----------------------------------
+ *                   pcSender       NULL means that the calling process
+ *                                  is the sender. Otherwise the string
+ *                                  will be inserted into the message.
+ *                   pcReceiver     Name of the receiver (string)
+ *                                  or IPC_HANDLE of the receiver.
+ *                   pvBuffer       Pointer to the data to append to
+ *                                  the message.
+ *                   uwSize         Size of the data to append to the
+ *                                  message.
+ *                   uwID           Message group and code. Use the
+ *                                  macro MSG_ID(Group,Code) to set the
+ *                                  value.
+ *                   ulTime         Automatically set.
+ *                   uwTenthOfMS    Automatically set.
+ *********************************************************************/
+
+
+/*********************************************************************/
+S16 ipc_parseMsg (      /* @func Parse a message.                    */
+   MSG_HEADER *pMsg,    /* @parm Structure to store the settings.    */
+   void       *pvBuffer,/* @parm Buffer containing the message.      */
+   U16         uwSize   /* @parm Size of pvBuffer.                   */
+   );                   /* @returnvalue One of the values below.     */
+/*---------------------------------------------------------------------
+ * @description      The function parses a buffer that contains a
+ *                   a message and writes all settings to the
+ *                   structure.
+ *
+ *                   Attention: The address of the buffer MUST be
+ *                              aligned (multiple of ALIGNMENT)
+ *
+ * @tablex           Return values:                                   |
+ *                   Value          Description
+ *                   --------------------------------------------------
+ *                   IPC_INVALID    Invalid arguments or message.
+ *                   IPC_OK         Success.
+ *
+ * @tablex           Content of pHdr:                                 |
+ *                   Setting        Description
+ *                   -------------- -----------------------------------
+ *                   pcSender       Address of the sender.
+ *                   pcReceiver     Address of the receiver (normally
+ *                                  the process receiving the message).
+ *                   pvBuffer       Pointer to the data of the message.
+ *                   uwSize         Size of the data.
+ *                   uwID           Message group and code. Use the
+ *                                  macro MSG_ID(Group,Code) to compare
+ *                                  the value with other IDs.
+ *                   ulTime         Time [ms from 01.01.1970 GMT] of
+ *                                  message's creation.
+ *                   uwTenthOfMS    The tenth of [ms] of the message's
+ *                                  creation.
+ *********************************************************************/
+
+#endif   /* IPCAPI_H */
+