jtagup.h

TI MSP430 JTAG program for internal flash upgarde from PC printer port

// $Header:  $
// Copyright Askey Computer Corp. 2003

/*
 * JTAGup.h - General header for JtaguP
 *                
 *                
 *
 * History:
 * 29-Aug-2003  Lucas Kuo
 *
*/
#ifndef __JTAGUP_H__
#define __JTAGUP_H__

typedef unsigned short int  word;
typedef unsigned char byte;

// Instructions for the JTAG control signal register
#define IR_CNTRL_SIG_16BIT      0xC8    // 0x13 original values
#define IR_CNTRL_SIG_CAPTURE    0x28    // 0x14
#define IR_CNTRL_SIG_RELEASE    0xA8    // 0x15
// Instructions for the JTAG Fuse
#define IR_PREPARE_BLOW         0x44    // 0x22
#define IR_EX_BLOW              0x24    // 0x24 
// Instructions for the JTAG data register
#define IR_DATA_16BIT           0x82    // 0x41
#define IR_DATA_QUICK           0xC2    // 0x43
// Instructions for the JTAG PSA mode
#define IR_DATA_PSA             0x22    // 0x44
#define IR_SHIFT_OUT_PSA        0x62    // 0x46    
// Instructions for the JTAG address register
#define IR_ADDR_16BIT           0xC1    // 0x83
#define IR_ADDR_CAPTURE         0x21    // 0x84
#define IR_DATA_TO_ADDR         0xA1    // 0x85
// Bypass instruction
#define IR_BYPASS               0xFF    // 0xFF
// JTAG identification value for all existing Flash-based MSP430 devices
#define JTAG_ID                 0x89
#define DEVICE_ID               0xF149

// Constants for data formats, dedicated addresses
#define	F_BYTE          8               //IR bits lengh
#define F_WORD          16              //DR bits lengh
#define V_RESET         0xFFFE

// Constants for runoff status
#define STATUS_ERROR    0   // false
#define STATUS_OK       1   // true
#define STATUS_ACTIVE   2		
#define STATUS_IDLE     3

// Constants for flash erasing modes
#define ERASE_MASS      0xA506
#define ERASE_MAIN      0xA504
#define ERASE_SGMT      0xA502

#define MAX_IN_LENGTH           100   // max length for user input strings

#define LPT1        0x3bc   // hardware base address for parallel port
#define LPT2        0x378   // the search order is LPT1 then 2 then 3
#define LPT3        0x278   // first valid address found is used (re-order if needed for multiple ports)

#define IGNORE_PORT 0       // Flag used when accessing the parallel port
#define READ_PORT   1       // READ_PORT = 'read port', IGNORE_PORT = 'ignore port', 
                            //   using IGNORE_PORT will speed access

#define FREQUENCY	2400	// CPU frequency in MHz

#endif