+/*! \file jtag.h
+ \author Travis Goodspeed
+ \brief JTAG handler functions.
+*/
+
+#ifndef JTAG_H
+#define JTAG_H
#include <signal.h>
#include <io.h>
#include <iomacros.h>
-extern unsigned int drwidth;
-
-#define MSP430MODE 0
-#define MSP430XMODE 1
-#define MSP430X2MODE 2
-extern unsigned int jtag430mode;
-
// Generic Commands
//! Shift n bytes.
unsigned long jtagtransn(unsigned long word,
- unsigned int bitcount);
+ unsigned char bitcount,
+ unsigned char flags);
+//! Shift the address width.
+unsigned long jtag_dr_shiftadr(unsigned long in);
//! Shift 8 bits of the IR.
unsigned char jtag_ir_shift8(unsigned char);
//! Shift 16 bits of the DR.
unsigned int jtag_dr_shift16(unsigned int);
+//! Shift 20 bits of the DR, MSP430 specific.
+unsigned long jtag_dr_shift20(unsigned long in);
//! Stop JTAG, release pins
void jtag_stop();
+//! Setup the JTAG pin directions.
void jtagsetup();
-// JTAG430 Commands
-
-//! Start JTAG, unique to the '430.
-void jtag430_start();
-//! Reset the TAP state machine, check the fuse.
-void jtag430_resettap();
-
-//! Defined in jtag430asm.S
-void jtag430_tclk_flashpulses(int);
-
-//High-level Macros follow
-//! Write data to address.
-void jtag430_writemem(unsigned int adr, unsigned int data);
-//! Read data from address
-unsigned int jtag430_readmem(unsigned int adr);
-//! Halt the CPU
-void jtag430_haltcpu();
-//! Release the CPU
-void jtag430_releasecpu();
-//! Set CPU to Instruction Fetch
-void jtag430_setinstrfetch();
-//! Set the program counter.
-void jtag430_setpc(unsigned int adr);
-//! Write data to address.
-void jtag430_writeflash(unsigned int adr, unsigned int data);
+//! Ratchet Clock Down and Up
+void jtag_tcktock();
+//! Go to SHIFT_IR
+void jtag_goto_shift_ir();
+//! Go to SHIFT_DR
+void jtag_goto_shift_dr();
+//! TAP RESET
+void jtag_resettap();
//Pins. Both SPI and JTAG names are acceptable.
//#define SS BIT0
#define SAVETCLK savedtclk=P5OUT&TCLK;
#define RESTORETCLK if(savedtclk) P5OUT|=TCLK; else P5OUT&=~TCLK
-
-//16-bit MSP430 JTAG commands, bit-swapped
-#define IR_CNTRL_SIG_16BIT 0xC8 // 0x13
-#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
-
+//Replace every "CLRTCK SETTCK" with this.
+#define TCKTOCK CLRTCK,SETTCK
+
+//JTAG commands
+#define JTAG_IR_SHIFT 0x80
+#define JTAG_DR_SHIFT 0x81
+#define JTAG_RESETTAP 0x82
+#define JTAG_RESETTARGET 0x83
+#define JTAG_DR_SHIFT20 0x91
+
+#define MSB 0
+#define LSB 1
+#define NOEND 2
+#define NORETIDLE 4
+
+
+//JTAG430 commands
+//#include "jtag430.h"
+#define Exit2_DR 0x0
+#define Exit_DR 0x1
+#define Shift_DR 0x2
+#define Pause_DR 0x3
+#define Select_IR 0x4
+#define Update_DR 0x5
+#define Capture_DR 0x6
+#define Select_DR 0x7
+#define Exit2_IR 0x8
+#define Exit_IR 0x9
+#define Shift_IR 0xa
+#define Pause_IR 0xb
+#define RunTest_Idle 0xc
+#define Update_IR 0xd
+#define Capture_IR 0xe
+#define Test_Reset 0xf
+
+#endif