jtagfunc.h

msp430的jtag程序下载的源代码

/*==========================================================================*\
|                                                                            |
| JTAGfunc.h                                                                 |
|                                                                            |
| JTAG Function Prototypes and Definitions                                   |
|----------------------------------------------------------------------------|
| Project:              JTAG Functions                                       |
| Developed using:      IAR Embedded Workbench 3.40B [Kickstart]             |
|----------------------------------------------------------------------------|
| Author:               STO                                                  |
| Version:              1.3                                                  |
| Initial Version:      04-17-02                                             |
| Last Change:          01-16-06                                             |
|----------------------------------------------------------------------------|
| Version history:                                                           |
| 1.0 04/02 FRGR        Initial version.                                     |
| 1.1 06/02 ALB2        Formatting changes, added comments.                  |
| 1.2 08/02 ALB2        Initial code release with Lit# SLAA149.              |
| 1.3 01/06 STO         Minor cosmetic changes                               |
|----------------------------------------------------------------------------|
| Designed 2002 by Texas Instruments Germany                                 |
\*==========================================================================*/


#ifndef __BYTEWORD__
#define __BYTEWORD__
typedef unsigned int  word;
typedef unsigned char byte;
#endif

/****************************************************************************/
/* Define section for constants                                             */
/****************************************************************************/

// Constants for the JTAG instruction register (IR, requires LSB first).
// The MSB has been interchanged with LSB due to use of the same shifting
// function as used for the JTAG data register (DR, requires MSB first).

// 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

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

// Constants for VPP connection at Blow-Fuse
#define VPP_ON_TDI                 0
#define VPP_ON_TEST                1

extern const byte bJtag4Sbw;

/****************************************************************************/
/* Function prototypes                                                      */
/****************************************************************************/

// Low level JTAG functions
word DR_Shift16(word Data);
word IR_Shift(byte Instruction);
void ResetTAP(void);
word ExecutePUC(void);
word SetInstrFetch(void);
void SetPC(word Addr);
void HaltCPU(void);
void ReleaseCPU(void);
word VerifyPSA(word StartAddr, word Length, word *DataArray);

// High level JTAG functions
word GetDevice(void);
void ReleaseDevice(word Addr);
void WriteMem(word Format, word Addr, word Data);
void WriteMemQuick(word StartAddr, word Length, word *DataArray);
void WriteFLASH(word StartAddr, word Length, word *DataArray);
word WriteFLASHallSections(word *DataArray);
word ReadMem(word Format, word Addr);
void ReadMemQuick(word StartAddr, word Length, word *DataArray);
void EraseFLASH(word EraseMode, word EraseAddr);
word EraseCheck(word StartAddr, word Length);
word VerifyMem(word StartAddr, word Length, word *DataArray);
word BlowFuse(void);
word IsFuseBlown(void);