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File MM7.h |
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CONTENTS
TECHNOLOGY
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/**************************************************************************
MODULE: MM7
CONTAINS: MicroMessaging Layer 7 API Definitions
COPYRIGHT: Embedded Systems Academy, Inc. 2003
See www.MicroMessaging.com
This software was written in accordance to the guidelines at
www.esacademy.com/software/softwarestyleguide.pdf
DISCLAIM: Read and understand our disclaimer before using this code!
www.esacademy.com/disclaim.htm
LICENSE: General Public License as specified by GNU
VERSION: 0.75, Pf 23-SEP-03
---------------------------------------------------------------------------
HISTORY: 0.75, Pf 23-SEP-03, First Published Version
***************************************************************************/
#include "MM2.h"
// Definition of the process image that holds all process data.
// Default size is 32 bytes (4x8)
BYTE gProcImg[32];
/**************************************************************************
GLOBAL FUNCTIONS
**************************************************************************/
/**************************************************************************
DOES: Initializes the MicroMessaging protocol stack.
RETURNS: TRUE, if initialization executed OK.
FALSE, if initialization failed.
**************************************************************************/
BYTE MM7_Init
(
BYTE NodeID, // MicroMessaging Node ID (1 to 31)
WORD BitRate, // Desired bit rate in 100 bits per second
WORD HeartRate // Default Heartbeat rate in milliseconds
);
/**************************************************************************
DOES: Initializes one of the four data channels available for each node.
RETURNS: TRUE, if initialization executed OK.
FALSE, if initialization failed.
**************************************************************************/
BYTE MM7_InitDataChannel
(
BYTE Channel, // Channel number (1-4)
BYTE Direction, // 0 for receive channel, 1 for transmit channel
WORD EventTime, // Only used for transmit channels: set to 0 if data
// to be transmitted on every poll message or set to
// number of milliseconds between transfers
BYTE MessageID, // 0 for default ID or explicit message ID to be used
BYTE len, // Number of data bytes in channel (0-8)
BYTE offset // Offset in process image
);
/**************************************************************************
DOES: Operates the MicroMessaging protocol stack. This function must
be called frequently in the main while(1) background task.
**************************************************************************/
void MM7_ProcessStack
(
void
);
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