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4cd82c23
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Christian Daniel
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/**************************************************************
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*
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* Lattice Semiconductor Corp. Copyright 2008
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*
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*
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***************************************************************/
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/**************************************************************
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*
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* Revision History of slim_pro.c
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*
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*
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* 09/11/07 NN Updated to support version 1.3
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* This version supported new POLING STATUS LOOP opcodes (LOOP and ENDLOOP)
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* for Flash programming of the Lattice FPGA devices
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* 09/11/07 NN type cast all the mismatch variables
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***************************************************************/
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#include <stdio.h>
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#include "opcode.h"
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#include "hardware.h"
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#define xdata
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#define reentrant
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/*************************************************************
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* *
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* PROTOTYPES *
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* *
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*************************************************************/
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unsigned int ispVMDataSize();
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short int ispVMShiftExec(unsigned int a_uiDataSize);
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short int ispVMShift(char a_cCommand);
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unsigned char GetByte(int a_iCurrentIndex, char a_cAlgo);
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void ispVMStateMachine(char a_cNextState);
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void ispVMClocks(unsigned int a_usClocks);
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void ispVMBypass(unsigned int a_siLength);
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void sclock();
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short int ispVMRead(unsigned int a_uiDataSize);
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void ispVMSend(unsigned int a_uiDataSize);
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void ispVMLCOUNT(unsigned short a_usCountSize);
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void ispVMLDELAY();
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/*************************************************************
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* *
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* EXTERNAL FUNCTION *
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* *
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*************************************************************/
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extern void ispVMDelay(unsigned int a_usDelay);
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extern unsigned char readPort();
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extern void writePort(unsigned char a_ucPins, unsigned char a_ucValue);
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/*************************************************************
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* *
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* GLOBAL VARIABLES *
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* *
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*************************************************************/
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int g_iMovingAlgoIndex = 0; /*** variable to hold the current index in the algo array ***/
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int g_iMovingDataIndex = 0; /*** variable to hold the current index in the data array ***/
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unsigned short g_usDataType = 0x0000; /*** data type register used to hold information ***
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**** about the algorithm and data ***/
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unsigned char g_cEndDR = 0; /*** used to hold the ENDDR state. ***/
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unsigned char g_cEndIR = 0; /*** used to hold the ENDIR state. ***/
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short int g_siHeadDR = 0; /*** used to hold the header data register ***/
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short int g_siHeadIR = 0; /*** used to hold the header instruction register ***/
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short int g_siTailDR = 0; /*** used to hold the trailer data register ***/
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short int g_siTailIR = 0; /*** used to hold the trailer instruction register ***/
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int g_iMainDataIndex = 0; /*** forward - only index used as a placed holder in the data array ***/
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int g_iRepeatIndex = 0; /*** Used to point to the location of REPEAT data ***/
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int g_iTDIIndex = 0; /*** Used to point to the location of TDI data ***/
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int g_iTDOIndex = 0; /*** Used to point to the location of TDO data ***/
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int g_iMASKIndex = 0; /*** Used to point to the location of MASK data ***/
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unsigned char g_ucCompressCounter = 0; /*** used to indicate how many times 0xFF is repeated ***/
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short int g_siIspPins = 0x00; /*** holds the current byte to be sent to the hardware ***/
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char g_cCurrentJTAGState = 0; /*** holds the current state of JTAG state machine ***/
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int g_iLoopIndex = 0;
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int g_iLoopMovingIndex = 0; /*** Used to point to the location of LOOP data ***/
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int g_iLoopDataMovingIndex = 0;
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unsigned short g_usLCOUNTSize = 0;
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unsigned char g_ucLDELAYState = IDLE;
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unsigned short int g_ucLDELAYTCK = 0;
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unsigned short int g_ucLDELAYDelay = 0;
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unsigned short int m_loopState = 0;
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/*************************************************************
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* *
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* EXTERNAL VARIABLES *
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* *
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* If the algorithm does not require the data, then *
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* declare the variables g_pucDataArray and g_iDataSize *
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* as local variables and set them to NULL and 0, *
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* respectively. *
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* *
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* Example: *
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* xdata unsigned char * g_pucDataArray = NULL; *
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* xdata int g_iDataSize = 0; *
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* *
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*************************************************************/
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xdata const struct iState
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{
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/*** JTAG state machine transistion table ***/
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unsigned char CurState; /*** From this state ***/
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unsigned char NextState; /*** Step to this state ***/
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unsigned char Pattern; /*** The pattern of TMS ***/
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unsigned char Pulses; /*** The number of steps ***/
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} iStates[25] =
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{
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{ DRPAUSE, SHIFTDR, 0x80, 2 },
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{ IRPAUSE, SHIFTIR, 0x80, 2 },
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{ SHIFTIR, IRPAUSE, 0x80, 2 },
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{ SHIFTDR, DRPAUSE, 0x80, 2 },
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{ DRPAUSE, IDLE, 0xC0, 3 },
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{ IRPAUSE, IDLE, 0xC0, 3 },
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{ RESET, IDLE, 0x00, 1 },
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{ RESET, DRPAUSE, 0x50, 5 },
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{ RESET, IRPAUSE, 0x68, 6 },
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{ IDLE, RESET, 0xE0, 3 },
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{ IDLE, DRPAUSE, 0xA0, 4 },
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{ IDLE, IRPAUSE, 0xD0, 5 },
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{ DRPAUSE, RESET, 0xF8, 5 },
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{ DRPAUSE, IRPAUSE, 0xF4, 7 },
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{ DRPAUSE, DRPAUSE, 0xE8, 6 }, /* 06/14/06 Support POLING STATUS LOOP*/
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{ IRPAUSE, RESET, 0xF8, 5 },
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{ IRPAUSE, DRPAUSE, 0xE8, 6 },
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{ IRPAUSE, SHIFTDR, 0xE0, 5 },
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{ SHIFTIR, IDLE, 0xC0, 3 },
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{ SHIFTDR, IDLE, 0xC0, 3 },
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{ RESET, RESET, 0xFC, 6 },
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{ DRPAUSE, DRCAPTURE, 0xE0, 4 }, /* 11/15/05 Support DRCAPTURE*/
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{ DRCAPTURE, DRPAUSE, 0x80, 2 },
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{ IDLE, DRCAPTURE, 0x80, 2 },
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{ IRPAUSE, DRCAPTURE, 0xE0, 4 }
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};
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/*************************************************************
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* *
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* ISPPROCESSVME *
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* *
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* INPUT: *
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* None. *
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* *
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* RETURN: *
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* The return value indicates whether the vme was *
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* processed successfully or not. A return value equal *
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* to or greater than 0 is passing, and less than 0 is *
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* failing. *
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* *
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* DESCRIPTION: *
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* This function is the core of the embedded processor. *
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* It extracts the VME file for the high - level tokens *
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* such as SIR, SDR, STATE, etc, and calls the *
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* appropriate functions to process them. *
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* *
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*************************************************************/
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short int ispProcessVME() reentrant
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{
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unsigned char ucOpcode = 0;
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unsigned char ucState = 0;
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short int siRetCode = 0;
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static char cProgram = 0;
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unsigned int uiDataSize = 0;
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int iLoopCount = 0;
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unsigned int iMovingAlgoIndex = 0;
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/*************************************************************
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* *
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* Begin processing the vme algorithm and data files. *
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* *
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*************************************************************/
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while ((ucOpcode = GetByte(g_iMovingAlgoIndex++, 1)) != 0xFF)
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{
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/*************************************************************
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* *
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* This switch statement is the main switch that represents *
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* the core of the embedded processor. *
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* *
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*************************************************************/
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switch (ucOpcode)
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{
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case STATE:
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/*************************************************************
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* *
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* Move the state. *
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* *
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*************************************************************/
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ispVMStateMachine(GetByte(g_iMovingAlgoIndex++, 1));
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break;
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case SIR:
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case SDR:
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/*************************************************************
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* *
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* Execute SIR/SDR command. *
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* *
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*************************************************************/
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siRetCode = ispVMShift(ucOpcode);
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break;
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case TCK:
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/*************************************************************
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* *
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* Pulse TCK signal the specified time. *
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* *
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| 212 |
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*************************************************************/
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ispVMClocks(ispVMDataSize());
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break;
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case WAIT:
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/*************************************************************
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* *
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* Issue delay in specified time. *
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* *
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*************************************************************/
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ispVMDelay(ispVMDataSize());
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break;
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case ENDDR:
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/*************************************************************
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* *
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* Get the ENDDR state and store in global variable. *
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* *
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*************************************************************/
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g_cEndDR = GetByte(g_iMovingAlgoIndex++, 1);
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break;
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case ENDIR:
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/*************************************************************
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* *
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* Get the ENDIR state and store in global variable. *
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* *
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*************************************************************/
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g_cEndIR = GetByte(g_iMovingAlgoIndex++, 1);
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break;
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case HIR:
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g_siHeadIR = (short int) ispVMDataSize();
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break;
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case TIR:
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g_siTailIR = (short int) ispVMDataSize();
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break;
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case HDR:
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g_siHeadDR = (short int) ispVMDataSize();
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| 248 |
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break;
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case TDR:
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g_siTailDR = (short int) ispVMDataSize();
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break;
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case BEGIN_REPEAT:
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/*************************************************************
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* *
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* Execute repeat loop. *
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| 257 |
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* *
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| 258 |
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*************************************************************/
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| 259 |
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| 260 |
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uiDataSize = ispVMDataSize();
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| 261 |
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| 262 |
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switch (GetByte(g_iMovingAlgoIndex++, 1))
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{
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| 264 |
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case PROGRAM:
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| 265 |
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/*************************************************************
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| 266 |
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* *
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| 267 |
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* Set the main data index to the moving data index. This *
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| 268 |
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* allows the processor to remember the beginning of the *
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| 269 |
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* data. Set the cProgram variable to true to indicate to *
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| 270 |
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* the verify flow later that a programming flow has been *
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| 271 |
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* completed so the moving data index must return to the *
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| 272 |
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* main data index. *
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| 273 |
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* *
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| 274 |
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*************************************************************/
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| 275 |
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g_iMainDataIndex = g_iMovingDataIndex;
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| 276 |
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cProgram = 1;
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| 277 |
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break;
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| 278 |
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case VERIFY:
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| 279 |
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/*************************************************************
|
| 280 |
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* *
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| 281 |
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* If the static variable cProgram has been set, then return *
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| 282 |
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* the moving data index to the main data index because this *
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| 283 |
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* is a erase, program, verify operation. If the programming *
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| 284 |
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* flag is not set, then this is a verify only operation thus *
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| 285 |
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* no need to return the moving data index. *
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| 286 |
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* *
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| 287 |
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*************************************************************/
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| 288 |
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if (cProgram)
|
| 289 |
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{
|
| 290 |
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g_iMovingDataIndex = g_iMainDataIndex;
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| 291 |
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cProgram = 0;
|
| 292 |
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}
|
| 293 |
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break;
|
| 294 |
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}
|
| 295 |
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| 296 |
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/*************************************************************
|
| 297 |
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* *
|
| 298 |
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* Set the repeat index to the first byte in the repeat loop. *
|
| 299 |
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* *
|
| 300 |
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*************************************************************/
|
| 301 |
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| 302 |
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g_iRepeatIndex = g_iMovingAlgoIndex;
|
| 303 |
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|
| 304 |
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for (; uiDataSize > 0; uiDataSize--)
|
| 305 |
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{
|
| 306 |
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/*************************************************************
|
| 307 |
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* *
|
| 308 |
|
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* Initialize the current algorithm index to the beginning of *
|
| 309 |
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* the repeat index before each repeat loop. *
|
| 310 |
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* *
|
| 311 |
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*************************************************************/
|
| 312 |
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|
| 313 |
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g_iMovingAlgoIndex = g_iRepeatIndex;
|
| 314 |
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|
| 315 |
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/*************************************************************
|
| 316 |
|
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* *
|
| 317 |
|
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* Make recursive call. *
|
| 318 |
|
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* *
|
| 319 |
|
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*************************************************************/
|
| 320 |
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|
| 321 |
|
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siRetCode = ispProcessVME();
|
| 322 |
|
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if (siRetCode < 0)
|
| 323 |
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{
|
| 324 |
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break;
|
| 325 |
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}
|
| 326 |
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}
|
| 327 |
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break;
|
| 328 |
|
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case END_REPEAT:
|
| 329 |
|
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/*************************************************************
|
| 330 |
|
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* *
|
| 331 |
|
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* Exit the current repeat frame. *
|
| 332 |
|
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* *
|
| 333 |
|
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*************************************************************/
|
| 334 |
|
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return siRetCode;
|
| 335 |
|
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break;
|
| 336 |
|
|
case LOOP:
|
| 337 |
|
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/*************************************************************
|
| 338 |
|
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* *
|
| 339 |
|
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* Execute repeat loop. *
|
| 340 |
|
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* *
|
| 341 |
|
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*************************************************************/
|
| 342 |
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|
| 343 |
|
|
g_usLCOUNTSize = (short int)ispVMDataSize();
|
| 344 |
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|
| 345 |
|
|
#ifdef VME_DEBUG
|
| 346 |
|
|
printf( "MaxLoopCount %d\n", g_usLCOUNTSize );
|
| 347 |
|
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#endif
|
| 348 |
|
|
/*************************************************************
|
| 349 |
|
|
* *
|
| 350 |
|
|
* Set the repeat index to the first byte in the repeat loop. *
|
| 351 |
|
|
* *
|
| 352 |
|
|
*************************************************************/
|
| 353 |
|
|
|
| 354 |
|
|
g_iLoopMovingIndex = g_iMovingAlgoIndex;
|
| 355 |
|
|
g_iLoopDataMovingIndex = g_iMovingDataIndex;
|
| 356 |
|
|
|
| 357 |
|
|
|
| 358 |
|
|
for ( g_iLoopIndex = 0 ; g_iLoopIndex < g_usLCOUNTSize; g_iLoopIndex++ ) {
|
| 359 |
|
|
m_loopState = 1;
|
| 360 |
|
|
/*************************************************************
|
| 361 |
|
|
* *
|
| 362 |
|
|
* Initialize the current algorithm index to the beginning of *
|
| 363 |
|
|
* the repeat index before each repeat loop. *
|
| 364 |
|
|
* *
|
| 365 |
|
|
*************************************************************/
|
| 366 |
|
|
|
| 367 |
|
|
g_iMovingAlgoIndex = g_iLoopMovingIndex;
|
| 368 |
|
|
g_iMovingDataIndex = g_iLoopDataMovingIndex;
|
| 369 |
|
|
|
| 370 |
|
|
|
| 371 |
|
|
/*************************************************************
|
| 372 |
|
|
* *
|
| 373 |
|
|
* Make recursive call. *
|
| 374 |
|
|
* *
|
| 375 |
|
|
*************************************************************/
|
| 376 |
|
|
|
| 377 |
|
|
siRetCode = ispProcessVME();
|
| 378 |
|
|
if ( !siRetCode ) {
|
| 379 |
|
|
/*************************************************************
|
| 380 |
|
|
* *
|
| 381 |
|
|
* Stop if the complete status matched. *
|
| 382 |
|
|
* *
|
| 383 |
|
|
*************************************************************/
|
| 384 |
|
|
|
| 385 |
|
|
break;
|
| 386 |
|
|
}
|
| 387 |
|
|
}
|
| 388 |
|
|
m_loopState = 0;
|
| 389 |
|
|
|
| 390 |
|
|
if (siRetCode != 0) {
|
| 391 |
|
|
/*************************************************************
|
| 392 |
|
|
* *
|
| 393 |
|
|
* Return if the complete status error. *
|
| 394 |
|
|
* *
|
| 395 |
|
|
*************************************************************/
|
| 396 |
|
|
return (siRetCode);
|
| 397 |
|
|
}
|
| 398 |
|
|
break;
|
| 399 |
|
|
case ENDLOOP:
|
| 400 |
|
|
/*************************************************************
|
| 401 |
|
|
* *
|
| 402 |
|
|
* End the current loop. *
|
| 403 |
|
|
* *
|
| 404 |
|
|
*************************************************************/
|
| 405 |
|
|
if(m_loopState)
|
| 406 |
|
|
return siRetCode;
|
| 407 |
|
|
break;
|
| 408 |
|
|
case ENDVME:
|
| 409 |
|
|
/*************************************************************
|
| 410 |
|
|
* *
|
| 411 |
|
|
* If the ENDVME token is found and g_iMovingAlgoIndex is *
|
| 412 |
|
|
* greater than or equal to g_iAlgoSize, then that indicates *
|
| 413 |
|
|
* the end of the chain. If g_iMovingAlgoIndex is less than *
|
| 414 |
|
|
* g_iAlgoSize, then that indicates that there are still more *
|
| 415 |
|
|
* devices to be processed. *
|
| 416 |
|
|
* *
|
| 417 |
|
|
*************************************************************/
|
| 418 |
|
|
if (g_iMovingAlgoIndex >= g_ispAlgoSize)
|
| 419 |
|
|
{
|
| 420 |
|
|
return siRetCode;
|
| 421 |
|
|
}
|
| 422 |
|
|
break;
|
| 423 |
|
|
case LCOUNT:
|
| 424 |
|
|
/*************************************************************
|
| 425 |
|
|
* *
|
| 426 |
|
|
* Get the Maximum LoopCount and store in global variable. *
|
| 427 |
|
|
* *
|
| 428 |
|
|
*************************************************************/
|
| 429 |
|
|
ispVMLCOUNT((unsigned short) ispVMDataSize());
|
| 430 |
|
|
break;
|
| 431 |
|
|
case LDELAY:
|
| 432 |
|
|
/*************************************************************
|
| 433 |
|
|
* *
|
| 434 |
|
|
* Get the State,TCK number and Delay time for the poling loop*
|
| 435 |
|
|
* and store in global variable. *
|
| 436 |
|
|
* *
|
| 437 |
|
|
*************************************************************/
|
| 438 |
|
|
ispVMLDELAY();
|
| 439 |
|
|
break;
|
| 440 |
|
|
case LSDR:
|
| 441 |
|
|
/*************************************************************
|
| 442 |
|
|
* *
|
| 443 |
|
|
* Execute repeat poling status loop. *
|
| 444 |
|
|
* *
|
| 445 |
|
|
*************************************************************/
|
| 446 |
|
|
iMovingAlgoIndex = g_iMovingAlgoIndex;
|
| 447 |
|
|
for (iLoopCount = 0; iLoopCount < g_usLCOUNTSize; iLoopCount++)
|
| 448 |
|
|
{
|
| 449 |
|
|
siRetCode = ispVMShift(SDR);
|
| 450 |
|
|
if (!siRetCode)
|
| 451 |
|
|
{
|
| 452 |
|
|
break;
|
| 453 |
|
|
}
|
| 454 |
|
|
/*************************************************************
|
| 455 |
|
|
* *
|
| 456 |
|
|
* If the status is not done, then move to the setting State *
|
| 457 |
|
|
* execute the delay and come back and do the checking again *
|
| 458 |
|
|
* *
|
| 459 |
|
|
*************************************************************/
|
| 460 |
|
|
g_iMovingAlgoIndex = iMovingAlgoIndex;
|
| 461 |
|
|
ispVMStateMachine(DRPAUSE);
|
| 462 |
|
|
m_loopState = 1;
|
| 463 |
|
|
ispVMStateMachine(g_ucLDELAYState);
|
| 464 |
|
|
m_loopState = 0;
|
| 465 |
|
|
ispVMClocks(g_ucLDELAYTCK);
|
| 466 |
|
|
ispVMDelay(g_ucLDELAYDelay);
|
| 467 |
|
|
}
|
| 468 |
|
|
if (siRetCode != 0)
|
| 469 |
|
|
{
|
| 470 |
|
|
return (siRetCode);
|
| 471 |
|
|
}
|
| 472 |
|
|
break;
|
| 473 |
|
|
case signalENABLE:
|
| 474 |
|
|
/******************************************************************
|
| 475 |
|
|
* Toggle ispENABLE signal *
|
| 476 |
|
|
* *
|
| 477 |
|
|
******************************************************************/
|
| 478 |
|
|
ucState = GetByte(g_iMovingAlgoIndex++, 1);
|
| 479 |
|
|
if (ucState == 0x01)
|
| 480 |
|
|
writePort(pinENABLE, 0x01);
|
| 481 |
|
|
else
|
| 482 |
|
|
writePort(pinENABLE, 0x00);
|
| 483 |
|
|
ispVMDelay(1);
|
| 484 |
|
|
break;
|
| 485 |
|
|
case signalTRST:
|
| 486 |
|
|
/******************************************************************
|
| 487 |
|
|
* Toggle TRST signal *
|
| 488 |
|
|
* *
|
| 489 |
|
|
******************************************************************/
|
| 490 |
|
|
ucState = GetByte(g_iMovingAlgoIndex++, 1);
|
| 491 |
|
|
if (ucState == 0x01)
|
| 492 |
|
|
writePort(pinTRST, 0x01);
|
| 493 |
|
|
else
|
| 494 |
|
|
writePort(pinTRST, 0x00);
|
| 495 |
|
|
ispVMDelay(1);
|
| 496 |
|
|
break;
|
| 497 |
|
|
default:
|
| 498 |
|
|
/*************************************************************
|
| 499 |
|
|
* *
|
| 500 |
|
|
* Unrecognized opcode. Return with file error. *
|
| 501 |
|
|
* *
|
| 502 |
|
|
*************************************************************/
|
| 503 |
|
|
return ERR_ALGO_FILE_ERROR;
|
| 504 |
|
|
}
|
| 505 |
|
|
|
| 506 |
|
|
if (siRetCode < 0)
|
| 507 |
|
|
{
|
| 508 |
|
|
return siRetCode;
|
| 509 |
|
|
}
|
| 510 |
|
|
}
|
| 511 |
|
|
|
| 512 |
|
|
return ERR_ALGO_FILE_ERROR;
|
| 513 |
|
|
}
|
| 514 |
|
|
|
| 515 |
|
|
/*************************************************************
|
| 516 |
|
|
* *
|
| 517 |
|
|
* ISPVMDATASIZE *
|
| 518 |
|
|
* *
|
| 519 |
|
|
* INPUT: *
|
| 520 |
|
|
* None. *
|
| 521 |
|
|
* *
|
| 522 |
|
|
* RETURN: *
|
| 523 |
|
|
* This function returns a number indicating the size of *
|
| 524 |
|
|
* the instruction. *
|
| 525 |
|
|
* *
|
| 526 |
|
|
* DESCRIPTION: *
|
| 527 |
|
|
* This function returns a number. The number is the *
|
| 528 |
|
|
* value found in SVF commands such as SDR, SIR, HIR, and *
|
| 529 |
|
|
* etc. For example: *
|
| 530 |
|
|
* SDR 200 TDI(FFF..F); *
|
| 531 |
|
|
* The return value would be 200. *
|
| 532 |
|
|
* *
|
| 533 |
|
|
*************************************************************/
|
| 534 |
|
|
|
| 535 |
|
|
unsigned int ispVMDataSize()
|
| 536 |
|
|
{
|
| 537 |
|
|
unsigned int uiSize = 0;
|
| 538 |
|
|
unsigned char ucCurrentByte = 0;
|
| 539 |
|
|
unsigned char ucIndex = 0;
|
| 540 |
|
|
|
| 541 |
|
|
while ((ucCurrentByte = GetByte(g_iMovingAlgoIndex++, 1)) & 0x80)
|
| 542 |
|
|
{
|
| 543 |
|
|
uiSize |=((unsigned int)(ucCurrentByte & 0x7F)) << ucIndex;
|
| 544 |
|
|
ucIndex += 7;
|
| 545 |
|
|
}
|
| 546 |
|
|
uiSize |=((unsigned int)(ucCurrentByte & 0x7F)) << ucIndex;
|
| 547 |
|
|
return uiSize;
|
| 548 |
|
|
}
|
| 549 |
|
|
|
| 550 |
|
|
/*************************************************************
|
| 551 |
|
|
* *
|
| 552 |
|
|
* ISPVMSHIFTEXEC *
|
| 553 |
|
|
* *
|
| 554 |
|
|
* INPUT: *
|
| 555 |
|
|
* a_uiDataSize: this holds the size of the command. *
|
| 556 |
|
|
* *
|
| 557 |
|
|
* RETURN: *
|
| 558 |
|
|
* Returns 0 if passing, -1 if failing. *
|
| 559 |
|
|
* *
|
| 560 |
|
|
* DESCRIPTION: *
|
| 561 |
|
|
* This function handles the data in the SIR/SDR commands *
|
| 562 |
|
|
* by either decompressing the data or setting the *
|
| 563 |
|
|
* respective indexes to point to the appropriate *
|
| 564 |
|
|
* location in the algo or data array. Note that data *
|
| 565 |
|
|
* only comes after TDI, DTDI, TDO, DTDO, and MASK. *
|
| 566 |
|
|
* *
|
| 567 |
|
|
*************************************************************/
|
| 568 |
|
|
|
| 569 |
|
|
short int ispVMShiftExec(unsigned int a_uiDataSize)
|
| 570 |
|
|
{
|
| 571 |
|
|
unsigned char ucDataByte = 0;
|
| 572 |
|
|
|
| 573 |
|
|
/*************************************************************
|
| 574 |
|
|
* *
|
| 575 |
|
|
* Reset the data type register. *
|
| 576 |
|
|
* *
|
| 577 |
|
|
*************************************************************/
|
| 578 |
|
|
|
| 579 |
|
|
g_usDataType &= ~(TDI_DATA + TDO_DATA + MASK_DATA + DTDI_DATA + DTDO_DATA + COMPRESS_FRAME);
|
| 580 |
|
|
|
| 581 |
|
|
/*************************************************************
|
| 582 |
|
|
* *
|
| 583 |
|
|
* Convert the size from bits to byte. *
|
| 584 |
|
|
* *
|
| 585 |
|
|
*************************************************************/
|
| 586 |
|
|
|
| 587 |
|
|
if (a_uiDataSize % 8)
|
| 588 |
|
|
{
|
| 589 |
|
|
a_uiDataSize = a_uiDataSize / 8 + 1;
|
| 590 |
|
|
}
|
| 591 |
|
|
else
|
| 592 |
|
|
{
|
| 593 |
|
|
a_uiDataSize = a_uiDataSize / 8;
|
| 594 |
|
|
}
|
| 595 |
|
|
|
| 596 |
|
|
/*************************************************************
|
| 597 |
|
|
* *
|
| 598 |
|
|
* Begin extracting the command. *
|
| 599 |
|
|
* *
|
| 600 |
|
|
*************************************************************/
|
| 601 |
|
|
|
| 602 |
|
|
while ((ucDataByte = GetByte(g_iMovingAlgoIndex++, 1)) != CONTINUE)
|
| 603 |
|
|
{
|
| 604 |
|
|
switch (ucDataByte)
|
| 605 |
|
|
{
|
| 606 |
|
|
case TDI:
|
| 607 |
|
|
/*************************************************************
|
| 608 |
|
|
* *
|
| 609 |
|
|
* Set data type register to indicate TDI data and set TDI *
|
| 610 |
|
|
* index to the current algorithm location. *
|
| 611 |
|
|
* *
|
| 612 |
|
|
*************************************************************/
|
| 613 |
|
|
g_usDataType |= TDI_DATA;
|
| 614 |
|
|
g_iTDIIndex = g_iMovingAlgoIndex;
|
| 615 |
|
|
g_iMovingAlgoIndex += a_uiDataSize;
|
| 616 |
|
|
break;
|
| 617 |
|
|
case DTDI:
|
| 618 |
|
|
/*************************************************************
|
| 619 |
|
|
* *
|
| 620 |
|
|
* Set data type register to indicate DTDI data and check the *
|
| 621 |
|
|
* next byte to make sure it's the DATA byte. DTDI indicates *
|
| 622 |
|
|
* that the data should be read from the data array, not the *
|
| 623 |
|
|
* algo array. *
|
| 624 |
|
|
* *
|
| 625 |
|
|
*************************************************************/
|
| 626 |
|
|
g_usDataType |= DTDI_DATA;
|
| 627 |
|
|
if (GetByte(g_iMovingAlgoIndex++, 1) != DATA)
|
| 628 |
|
|
{
|
| 629 |
|
|
return ERR_ALGO_FILE_ERROR;
|
| 630 |
|
|
}
|
| 631 |
|
|
|
| 632 |
|
|
/*************************************************************
|
| 633 |
|
|
* *
|
| 634 |
|
|
* If the COMPRESS flag is set, read the next byte from the *
|
| 635 |
|
|
* data file array. If the byte is true, then that indicates *
|
| 636 |
|
|
* the frame was compressable. Note that even though the *
|
| 637 |
|
|
* overall data file was compressed, certain frames may not *
|
| 638 |
|
|
* be compressable that is why this byte must be checked. *
|
| 639 |
|
|
* *
|
| 640 |
|
|
*************************************************************/
|
| 641 |
|
|
if (g_usDataType & COMPRESS)
|
| 642 |
|
|
{
|
| 643 |
|
|
if (GetByte(g_iMovingDataIndex++, 0))
|
| 644 |
|
|
{
|
| 645 |
|
|
g_usDataType |= COMPRESS_FRAME;
|
| 646 |
|
|
}
|
| 647 |
|
|
}
|
| 648 |
|
|
break;
|
| 649 |
|
|
case TDO:
|
| 650 |
|
|
/*************************************************************
|
| 651 |
|
|
* *
|
| 652 |
|
|
* Set data type register to indicate TDO data and set TDO *
|
| 653 |
|
|
* index to the current algorithm location. *
|
| 654 |
|
|
* *
|
| 655 |
|
|
*************************************************************/
|
| 656 |
|
|
g_usDataType |= TDO_DATA;
|
| 657 |
|
|
g_iTDOIndex = g_iMovingAlgoIndex;
|
| 658 |
|
|
g_iMovingAlgoIndex += a_uiDataSize;
|
| 659 |
|
|
break;
|
| 660 |
|
|
case DTDO:
|
| 661 |
|
|
/*************************************************************
|
| 662 |
|
|
* *
|
| 663 |
|
|
* Set data type register to indicate DTDO data and check the *
|
| 664 |
|
|
* next byte to make sure it's the DATA byte. DTDO indicates *
|
| 665 |
|
|
* that the data should be read from the data array, not the *
|
| 666 |
|
|
* algo array. *
|
| 667 |
|
|
* *
|
| 668 |
|
|
*************************************************************/
|
| 669 |
|
|
g_usDataType |= DTDO_DATA;
|
| 670 |
|
|
if (GetByte(g_iMovingAlgoIndex++, 1) != DATA)
|
| 671 |
|
|
{
|
| 672 |
|
|
return ERR_ALGO_FILE_ERROR;
|
| 673 |
|
|
}
|
| 674 |
|
|
|
| 675 |
|
|
/*************************************************************
|
| 676 |
|
|
* *
|
| 677 |
|
|
* If the COMPRESS flag is set, read the next byte from the *
|
| 678 |
|
|
* data file array. If the byte is true, then that indicates *
|
| 679 |
|
|
* the frame was compressable. Note that even though the *
|
| 680 |
|
|
* overall data file was compressed, certain frames may not *
|
| 681 |
|
|
* be compressable that is why this byte must be checked. *
|
| 682 |
|
|
* *
|
| 683 |
|
|
*************************************************************/
|
| 684 |
|
|
if (g_usDataType & COMPRESS)
|
| 685 |
|
|
{
|
| 686 |
|
|
if (GetByte(g_iMovingDataIndex++, 0))
|
| 687 |
|
|
{
|
| 688 |
|
|
g_usDataType |= COMPRESS_FRAME;
|
| 689 |
|
|
}
|
| 690 |
|
|
}
|
| 691 |
|
|
break;
|
| 692 |
|
|
case MASK:
|
| 693 |
|
|
/*************************************************************
|
| 694 |
|
|
* *
|
| 695 |
|
|
* Set data type register to indicate MASK data. Set MASK *
|
| 696 |
|
|
* location index to current algorithm array position. *
|
| 697 |
|
|
* *
|
| 698 |
|
|
*************************************************************/
|
| 699 |
|
|
g_usDataType |= MASK_DATA;
|
| 700 |
|
|
g_iMASKIndex = g_iMovingAlgoIndex;
|
| 701 |
|
|
g_iMovingAlgoIndex += a_uiDataSize;
|
| 702 |
|
|
break;
|
| 703 |
|
|
default:
|
| 704 |
|
|
/*************************************************************
|
| 705 |
|
|
* *
|
| 706 |
|
|
* Unrecognized or misplaced opcode. Return error. *
|
| 707 |
|
|
* *
|
| 708 |
|
|
*************************************************************/
|
| 709 |
|
|
return ERR_ALGO_FILE_ERROR;
|
| 710 |
|
|
}
|
| 711 |
|
|
}
|
| 712 |
|
|
|
| 713 |
|
|
/*************************************************************
|
| 714 |
|
|
* *
|
| 715 |
|
|
* Reached the end of the instruction. Return passing. *
|
| 716 |
|
|
* *
|
| 717 |
|
|
*************************************************************/
|
| 718 |
|
|
|
| 719 |
|
|
return 0;
|
| 720 |
|
|
}
|
| 721 |
|
|
|
| 722 |
|
|
/*************************************************************
|
| 723 |
|
|
* *
|
| 724 |
|
|
* ISPVMSHIFT *
|
| 725 |
|
|
* *
|
| 726 |
|
|
* INPUT: *
|
| 727 |
|
|
* a_cCommand: this argument specifies either the SIR or *
|
| 728 |
|
|
* SDR command. *
|
| 729 |
|
|
* *
|
| 730 |
|
|
* RETURN: *
|
| 731 |
|
|
* The return value indicates whether the SIR/SDR was *
|
| 732 |
|
|
* processed successfully or not. A return value equal *
|
| 733 |
|
|
* to or greater than 0 is passing, and less than 0 is *
|
| 734 |
|
|
* failing. *
|
| 735 |
|
|
* *
|
| 736 |
|
|
* DESCRIPTION: *
|
| 737 |
|
|
* This function is the entry point to execute an SIR or *
|
| 738 |
|
|
* SDR command to the device. *
|
| 739 |
|
|
* *
|
| 740 |
|
|
*************************************************************/
|
| 741 |
|
|
|
| 742 |
|
|
short int ispVMShift(char a_cCommand)
|
| 743 |
|
|
{
|
| 744 |
|
|
short int siRetCode = 0;
|
| 745 |
|
|
unsigned int uiDataSize = ispVMDataSize();
|
| 746 |
|
|
|
| 747 |
|
|
/*************************************************************
|
| 748 |
|
|
* *
|
| 749 |
|
|
* Clear any existing SIR/SDR instructions from the data type *
|
| 750 |
|
|
* register. *
|
| 751 |
|
|
* *
|
| 752 |
|
|
*************************************************************/
|
| 753 |
|
|
|
| 754 |
|
|
g_usDataType &= ~(SIR_DATA + SDR_DATA);
|
| 755 |
|
|
|
| 756 |
|
|
/*************************************************************
|
| 757 |
|
|
* *
|
| 758 |
|
|
* Move state machine to appropriate state depending on the *
|
| 759 |
|
|
* command. Issue bypass if needed. *
|
| 760 |
|
|
* *
|
| 761 |
|
|
*************************************************************/
|
| 762 |
|
|
|
| 763 |
|
|
switch (a_cCommand)
|
| 764 |
|
|
{
|
| 765 |
|
|
case SIR:
|
| 766 |
|
|
/*************************************************************
|
| 767 |
|
|
* *
|
| 768 |
|
|
* Set the data type register to indicate that it's executing *
|
| 769 |
|
|
* an SIR instruction. Move state machine to IRPAUSE, *
|
| 770 |
|
|
* SHIFTIR. If header instruction register exists, then *
|
| 771 |
|
|
* issue bypass. *
|
| 772 |
|
|
* *
|
| 773 |
|
|
*************************************************************/
|
| 774 |
|
|
g_usDataType |= SIR_DATA;
|
| 775 |
|
|
ispVMStateMachine(IRPAUSE);
|
| 776 |
|
|
ispVMStateMachine(SHIFTIR);
|
| 777 |
|
|
if (g_siHeadIR > 0)
|
| 778 |
|
|
{
|
| 779 |
|
|
ispVMBypass(g_siHeadIR);
|
| 780 |
|
|
sclock();
|
| 781 |
|
|
}
|
| 782 |
|
|
break;
|
| 783 |
|
|
case SDR:
|
| 784 |
|
|
/*************************************************************
|
| 785 |
|
|
* *
|
| 786 |
|
|
* Set the data type register to indicate that it's executing *
|
| 787 |
|
|
* an SDR instruction. Move state machine to DRPAUSE, *
|
| 788 |
|
|
* SHIFTDR. If header data register exists, then issue *
|
| 789 |
|
|
* bypass. *
|
| 790 |
|
|
* *
|
| 791 |
|
|
*************************************************************/
|
| 792 |
|
|
g_usDataType |= SDR_DATA;
|
| 793 |
|
|
ispVMStateMachine(DRPAUSE);
|
| 794 |
|
|
ispVMStateMachine(SHIFTDR);
|
| 795 |
|
|
if (g_siHeadDR > 0)
|
| 796 |
|
|
{
|
| 797 |
|
|
ispVMBypass(g_siHeadDR);
|
| 798 |
|
|
sclock();
|
| 799 |
|
|
}
|
| 800 |
|
|
break;
|
| 801 |
|
|
}
|
| 802 |
|
|
|
| 803 |
|
|
/*************************************************************
|
| 804 |
|
|
* *
|
| 805 |
|
|
* Set the appropriate index locations. If error then return *
|
| 806 |
|
|
* error code immediately. *
|
| 807 |
|
|
* *
|
| 808 |
|
|
*************************************************************/
|
| 809 |
|
|
|
| 810 |
|
|
siRetCode = ispVMShiftExec(uiDataSize);
|
| 811 |
|
|
|
| 812 |
|
|
if (siRetCode < 0)
|
| 813 |
|
|
{
|
| 814 |
|
|
return siRetCode;
|
| 815 |
|
|
}
|
| 816 |
|
|
|
| 817 |
|
|
/*************************************************************
|
| 818 |
|
|
* *
|
| 819 |
|
|
* Execute the command to the device. If TDO exists, then *
|
| 820 |
|
|
* read from the device and verify. Else only TDI exists *
|
| 821 |
|
|
* which must send data to the device only. *
|
| 822 |
|
|
* *
|
| 823 |
|
|
*************************************************************/
|
| 824 |
|
|
|
| 825 |
|
|
if ((g_usDataType & TDO_DATA) ||(g_usDataType & DTDO_DATA))
|
| 826 |
|
|
{
|
| 827 |
|
|
siRetCode = ispVMRead(uiDataSize);
|
| 828 |
|
|
/*************************************************************
|
| 829 |
|
|
* *
|
| 830 |
|
|
* A frame of data has just been read and verified. If the *
|
| 831 |
|
|
* DTDO_DATA flag is set, then check to make sure the next *
|
| 832 |
|
|
* byte in the data array, which is the last byte of the *
|
| 833 |
|
|
* frame, is the END_FRAME byte. *
|
| 834 |
|
|
* *
|
| 835 |
|
|
*************************************************************/
|
| 836 |
|
|
if (g_usDataType & DTDO_DATA)
|
| 837 |
|
|
{
|
| 838 |
|
|
if (GetByte(g_iMovingDataIndex++, 0) != END_FRAME)
|
| 839 |
|
|
{
|
| 840 |
|
|
siRetCode = ERR_DATA_FILE_ERROR;
|
| 841 |
|
|
}
|
| 842 |
|
|
}
|
| 843 |
|
|
}
|
| 844 |
|
|
else
|
| 845 |
|
|
{
|
| 846 |
|
|
ispVMSend(uiDataSize);
|
| 847 |
|
|
/*************************************************************
|
| 848 |
|
|
* *
|
| 849 |
|
|
* A frame of data has just been sent. If the DTDI_DATA flag *
|
| 850 |
|
|
* is set, then check to make sure the next byte in the data *
|
| 851 |
|
|
* array, which is the last byte of the frame, is the *
|
| 852 |
|
|
* END_FRAME byte. *
|
| 853 |
|
|
* *
|
| 854 |
|
|
*************************************************************/
|
| 855 |
|
|
if (g_usDataType & DTDI_DATA)
|
| 856 |
|
|
{
|
| 857 |
|
|
if (GetByte(g_iMovingDataIndex++, 0) != END_FRAME)
|
| 858 |
|
|
{
|
| 859 |
|
|
siRetCode = ERR_DATA_FILE_ERROR;
|
| 860 |
|
|
}
|
| 861 |
|
|
}
|
| 862 |
|
|
}
|
| 863 |
|
|
|
| 864 |
|
|
/*************************************************************
|
| 865 |
|
|
* *
|
| 866 |
|
|
* Bypass trailer if it exists. Move state machine to *
|
| 867 |
|
|
* ENDIR/ENDDR state. *
|
| 868 |
|
|
* *
|
| 869 |
|
|
*************************************************************/
|
| 870 |
|
|
|
| 871 |
|
|
switch (a_cCommand)
|
| 872 |
|
|
{
|
| 873 |
|
|
case SIR:
|
| 874 |
|
|
if (g_siTailIR > 0)
|
| 875 |
|
|
{
|
| 876 |
|
|
sclock();
|
| 877 |
|
|
ispVMBypass(g_siTailIR);
|
| 878 |
|
|
}
|
| 879 |
|
|
ispVMStateMachine(g_cEndIR);
|
| 880 |
|
|
break;
|
| 881 |
|
|
case SDR:
|
| 882 |
|
|
if (g_siTailDR > 0)
|
| 883 |
|
|
{
|
| 884 |
|
|
sclock();
|
| 885 |
|
|
ispVMBypass(g_siTailDR);
|
| 886 |
|
|
}
|
| 887 |
|
|
ispVMStateMachine(g_cEndDR);
|
| 888 |
|
|
break;
|
| 889 |
|
|
}
|
| 890 |
|
|
|
| 891 |
|
|
return siRetCode;
|
| 892 |
|
|
}
|
| 893 |
|
|
|
| 894 |
|
|
/*************************************************************
|
| 895 |
|
|
* *
|
| 896 |
|
|
* GETBYTE *
|
| 897 |
|
|
* *
|
| 898 |
|
|
* INPUT: *
|
| 899 |
|
|
* a_iCurrentIndex: the current index to access. *
|
| 900 |
|
|
* *
|
| 901 |
|
|
* a_cAlgo: 1 if the return byte is to be retrieved from *
|
| 902 |
|
|
* the algorithm array, 0 if the byte is to be retrieved *
|
| 903 |
|
|
* from the data array. *
|
| 904 |
|
|
* *
|
| 905 |
|
|
* RETURN: *
|
| 906 |
|
|
* This function returns a byte of data from either the *
|
| 907 |
|
|
* algorithm or data array. It returns -1 if out of *
|
| 908 |
|
|
* bounds. *
|
| 909 |
|
|
* *
|
| 910 |
|
|
*************************************************************/
|
| 911 |
|
|
|
| 912 |
|
|
unsigned char GetByte(int a_iCurrentIndex, char a_cAlgo)
|
| 913 |
|
|
{
|
| 914 |
|
|
if (a_cAlgo)
|
| 915 |
|
|
{
|
| 916 |
|
|
/*************************************************************
|
| 917 |
|
|
* *
|
| 918 |
|
|
* If the current index is still within range, then return *
|
| 919 |
|
|
* the next byte. If it is out of range, then return -1. *
|
| 920 |
|
|
* *
|
| 921 |
|
|
*************************************************************/
|
| 922 |
|
|
if(a_iCurrentIndex >= g_ispAlgoSize)
|
| 923 |
|
|
return (unsigned char)0xff;
|
| 924 |
|
|
else return g_ispAlgo[a_iCurrentIndex];
|
| 925 |
|
|
}
|
| 926 |
|
|
else
|
| 927 |
|
|
{
|
| 928 |
|
|
/*************************************************************
|
| 929 |
|
|
* *
|
| 930 |
|
|
* If the current index is still within range, then return *
|
| 931 |
|
|
* the next byte. If it is out of range, then return -1. *
|
| 932 |
|
|
* *
|
| 933 |
|
|
*************************************************************/
|
| 934 |
|
|
if((a_iCurrentIndex & 1023) == 0)
|
| 935 |
6a2d2243
|
Harald Welte
|
printf("%d bytes done (%zu%%)\n", a_iCurrentIndex, (a_iCurrentIndex * 100) / g_ispDataSize);
|
| 936 |
4cd82c23
|
Christian Daniel
|
if(a_iCurrentIndex >= g_ispDataSize)
|
| 937 |
|
|
return (unsigned char)0xff;
|
| 938 |
|
|
else return g_ispData[a_iCurrentIndex];
|
| 939 |
|
|
}
|
| 940 |
|
|
}
|
| 941 |
|
|
|
| 942 |
|
|
/*************************************************************
|
| 943 |
|
|
* *
|
| 944 |
|
|
* SCLOCK *
|
| 945 |
|
|
* *
|
| 946 |
|
|
* INPUT: *
|
| 947 |
|
|
* None. *
|
| 948 |
|
|
* *
|
| 949 |
|
|
* RETURN: *
|
| 950 |
|
|
* None. *
|
| 951 |
|
|
* *
|
| 952 |
|
|
* DESCRIPTION: *
|
| 953 |
|
|
* This function applies a HLL pulse to TCK. *
|
| 954 |
|
|
* *
|
| 955 |
|
|
*************************************************************/
|
| 956 |
|
|
|
| 957 |
|
|
void sclock()
|
| 958 |
|
|
{
|
| 959 |
|
|
/*************************************************************
|
| 960 |
|
|
* *
|
| 961 |
|
|
* Set TCK to HIGH, LOW, LOW. *
|
| 962 |
|
|
* *
|
| 963 |
|
|
*************************************************************/
|
| 964 |
|
|
|
| 965 |
|
|
writePort(pinTCK, 0x01);
|
| 966 |
|
|
writePort(pinTCK, 0x00);
|
| 967 |
|
|
writePort(pinTCK, 0x00);
|
| 968 |
|
|
}
|
| 969 |
|
|
|
| 970 |
|
|
/*************************************************************
|
| 971 |
|
|
* *
|
| 972 |
|
|
* ISPVMREAD *
|
| 973 |
|
|
* *
|
| 974 |
|
|
* INPUT: *
|
| 975 |
|
|
* a_uiDataSize: this argument is the size of the *
|
| 976 |
|
|
* command. *
|
| 977 |
|
|
* *
|
| 978 |
|
|
* RETURN: *
|
| 979 |
|
|
* The return value is 0 if passing, and -1 if failing. *
|
| 980 |
|
|
* *
|
| 981 |
|
|
* DESCRIPTION: *
|
| 982 |
|
|
* This function reads a data stream from the device and *
|
| 983 |
|
|
* compares it to the expected TDO. *
|
| 984 |
|
|
* *
|
| 985 |
|
|
*************************************************************/
|
| 986 |
|
|
|
| 987 |
|
|
short int ispVMRead(unsigned int a_uiDataSize)
|
| 988 |
|
|
{
|
| 989 |
|
|
unsigned int uiIndex = 0;
|
| 990 |
|
|
unsigned short usErrorCount = 0;
|
| 991 |
|
|
unsigned char ucTDIByte = 0;
|
| 992 |
|
|
unsigned char ucTDOByte = 0;
|
| 993 |
|
|
unsigned char ucMaskByte = 0;
|
| 994 |
|
|
unsigned char ucCurBit = 0;
|
| 995 |
|
|
|
| 996 |
|
|
for (uiIndex = 0;uiIndex < a_uiDataSize; uiIndex++)
|
| 997 |
|
|
{
|
| 998 |
|
|
if (uiIndex % 8 == 0)
|
| 999 |
|
|
{
|
| 1000 |
|
|
if ( g_usDataType & TDI_DATA ) {
|
| 1001 |
|
|
/*************************************************************
|
| 1002 |
|
|
* *
|
| 1003 |
|
|
* If the TDI_DATA flag is set, then grab the next byte from *
|
| 1004 |
|
|
* the algo array and increment the TDI index. *
|
| 1005 |
|
|
* *
|
| 1006 |
|
|
*************************************************************/
|
| 1007 |
|
|
ucTDIByte = GetByte( g_iTDIIndex++, 1 );
|
| 1008 |
|
|
}
|
| 1009 |
|
|
else
|
| 1010 |
|
|
{
|
| 1011 |
|
|
ucTDIByte = 0xFF;
|
| 1012 |
|
|
}
|
| 1013 |
|
|
if (g_usDataType & TDO_DATA)
|
| 1014 |
|
|
{
|
| 1015 |
|
|
/*************************************************************
|
| 1016 |
|
|
* *
|
| 1017 |
|
|
* If the TDO_DATA flag is set, then grab the next byte from *
|
| 1018 |
|
|
* the algo array and increment the TDO index. *
|
| 1019 |
|
|
* *
|
| 1020 |
|
|
*************************************************************/
|
| 1021 |
|
|
ucTDOByte = GetByte(g_iTDOIndex++, 1);
|
| 1022 |
|
|
}
|
| 1023 |
|
|
else
|
| 1024 |
|
|
{
|
| 1025 |
|
|
/*************************************************************
|
| 1026 |
|
|
* *
|
| 1027 |
|
|
* If TDO_DATA is not set, then DTDO_DATA must be set. If *
|
| 1028 |
|
|
* the compression counter exists, then the next TDO byte *
|
| 1029 |
|
|
* must be 0xFF. If it doesn't exist, then get next byte *
|
| 1030 |
|
|
* from data file array. *
|
| 1031 |
|
|
* *
|
| 1032 |
|
|
*************************************************************/
|
| 1033 |
|
|
if (g_ucCompressCounter)
|
| 1034 |
|
|
{
|
| 1035 |
|
|
g_ucCompressCounter--;
|
| 1036 |
|
|
ucTDOByte =(unsigned char) 0xFF;
|
| 1037 |
|
|
}
|
| 1038 |
|
|
else
|
| 1039 |
|
|
{
|
| 1040 |
|
|
ucTDOByte = GetByte(g_iMovingDataIndex++, 0);
|
| 1041 |
|
|
|
| 1042 |
|
|
/*************************************************************
|
| 1043 |
|
|
* *
|
| 1044 |
|
|
* If the frame is compressed and the byte is 0xFF, then the *
|
| 1045 |
|
|
* next couple bytes must be read to determine how many *
|
| 1046 |
|
|
* repetitions of 0xFF are there. That value will be stored *
|
| 1047 |
|
|
* in the variable g_ucCompressCounter. *
|
| 1048 |
|
|
* *
|
| 1049 |
|
|
*************************************************************/
|
| 1050 |
|
|
if ((g_usDataType & COMPRESS_FRAME) &&(ucTDOByte ==(unsigned char) 0xFF))
|
| 1051 |
|
|
{
|
| 1052 |
|
|
g_ucCompressCounter = GetByte(g_iMovingDataIndex++, 0);
|
| 1053 |
|
|
g_ucCompressCounter--;
|
| 1054 |
|
|
}
|
| 1055 |
|
|
}
|
| 1056 |
|
|
}
|
| 1057 |
|
|
|
| 1058 |
|
|
if (g_usDataType & MASK_DATA)
|
| 1059 |
|
|
{
|
| 1060 |
|
|
ucMaskByte = GetByte(g_iMASKIndex++, 1);
|
| 1061 |
|
|
}
|
| 1062 |
|
|
else
|
| 1063 |
|
|
{
|
| 1064 |
|
|
ucMaskByte =(unsigned char) 0xFF;
|
| 1065 |
|
|
}
|
| 1066 |
|
|
}
|
| 1067 |
|
|
|
| 1068 |
|
|
ucCurBit = readPort();
|
| 1069 |
|
|
|
| 1070 |
|
|
if ((((ucMaskByte << uiIndex % 8) & 0x80) ? 0x01 : 0x00))
|
| 1071 |
|
|
{
|
| 1072 |
|
|
if (ucCurBit !=(unsigned char)(((ucTDOByte << uiIndex % 8) & 0x80) ? 0x01 : 0x00))
|
| 1073 |
|
|
{
|
| 1074 |
|
|
usErrorCount++;
|
| 1075 |
|
|
}
|
| 1076 |
|
|
}
|
| 1077 |
|
|
|
| 1078 |
|
|
/*************************************************************
|
| 1079 |
|
|
* *
|
| 1080 |
|
|
* Always shift 0x01 into TDI pin when reading. *
|
| 1081 |
|
|
* *
|
| 1082 |
|
|
*************************************************************/
|
| 1083 |
|
|
|
| 1084 |
|
|
writePort(pinTDI, (unsigned char) (((ucTDIByte << uiIndex % 8) & 0x80) ? 0x01 : 0x00));
|
| 1085 |
|
|
|
| 1086 |
|
|
if (uiIndex < a_uiDataSize - 1)
|
| 1087 |
|
|
{
|
| 1088 |
|
|
sclock();
|
| 1089 |
|
|
}
|
| 1090 |
|
|
}
|
| 1091 |
|
|
|
| 1092 |
|
|
if (usErrorCount > 0)
|
| 1093 |
|
|
{
|
| 1094 |
|
|
return -1;
|
| 1095 |
|
|
}
|
| 1096 |
|
|
|
| 1097 |
|
|
return 0;
|
| 1098 |
|
|
}
|
| 1099 |
|
|
|
| 1100 |
|
|
/*************************************************************
|
| 1101 |
|
|
* *
|
| 1102 |
|
|
* ISPVMSEND *
|
| 1103 |
|
|
* *
|
| 1104 |
|
|
* INPUT: *
|
| 1105 |
|
|
* a_uiDataSize: this argument is the size of the *
|
| 1106 |
|
|
* command. *
|
| 1107 |
|
|
* *
|
| 1108 |
|
|
* RETURN: *
|
| 1109 |
|
|
* None. *
|
| 1110 |
|
|
* *
|
| 1111 |
|
|
* DESCRIPTION: *
|
| 1112 |
|
|
* This function sends a data stream to the device. *
|
| 1113 |
|
|
* *
|
| 1114 |
|
|
*************************************************************/
|
| 1115 |
|
|
|
| 1116 |
|
|
void ispVMSend(unsigned int a_uiDataSize)
|
| 1117 |
|
|
{
|
| 1118 |
|
|
unsigned int iIndex;
|
| 1119 |
|
|
unsigned char ucCurByte = 0;
|
| 1120 |
|
|
unsigned char ucBitState = 0;
|
| 1121 |
|
|
|
| 1122 |
|
|
/*************************************************************
|
| 1123 |
|
|
* *
|
| 1124 |
|
|
* Begin processing the data to the device. *
|
| 1125 |
|
|
* *
|
| 1126 |
|
|
*************************************************************/
|
| 1127 |
|
|
|
| 1128 |
|
|
for (iIndex = 0;iIndex < a_uiDataSize; iIndex++)
|
| 1129 |
|
|
{
|
| 1130 |
|
|
if (iIndex % 8 == 0)
|
| 1131 |
|
|
{
|
| 1132 |
|
|
if (g_usDataType & TDI_DATA)
|
| 1133 |
|
|
{
|
| 1134 |
|
|
/*************************************************************
|
| 1135 |
|
|
* *
|
| 1136 |
|
|
* If the TDI_DATA flag is set, then grab the next byte from *
|
| 1137 |
|
|
* the algo array and increment the TDI index. *
|
| 1138 |
|
|
* *
|
| 1139 |
|
|
*************************************************************/
|
| 1140 |
|
|
ucCurByte = GetByte(g_iTDIIndex++, 1);
|
| 1141 |
|
|
}
|
| 1142 |
|
|
else
|
| 1143 |
|
|
{
|
| 1144 |
|
|
/*************************************************************
|
| 1145 |
|
|
* *
|
| 1146 |
|
|
* If TDI_DATA flag is not set, then DTDI_DATA flag must have *
|
| 1147 |
|
|
* already been set. If the compression counter exists, then *
|
| 1148 |
|
|
* the next TDI byte must be 0xFF. If it doesn't exist, then *
|
| 1149 |
|
|
* get next byte from data file array. *
|
| 1150 |
|
|
* *
|
| 1151 |
|
|
*************************************************************/
|
| 1152 |
|
|
if (g_ucCompressCounter)
|
| 1153 |
|
|
{
|
| 1154 |
|
|
g_ucCompressCounter--;
|
| 1155 |
|
|
ucCurByte =(unsigned char) 0xFF;
|
| 1156 |
|
|
}
|
| 1157 |
|
|
else
|
| 1158 |
|
|
{
|
| 1159 |
|
|
ucCurByte = GetByte(g_iMovingDataIndex++, 0);
|
| 1160 |
|
|
|
| 1161 |
|
|
/*************************************************************
|
| 1162 |
|
|
* *
|
| 1163 |
|
|
* If the frame is compressed and the byte is 0xFF, then the *
|
| 1164 |
|
|
* next couple bytes must be read to determine how many *
|
| 1165 |
|
|
* repetitions of 0xFF are there. That value will be stored *
|
| 1166 |
|
|
* in the variable g_ucCompressCounter. *
|
| 1167 |
|
|
* *
|
| 1168 |
|
|
*************************************************************/
|
| 1169 |
|
|
|
| 1170 |
|
|
if ((g_usDataType & COMPRESS_FRAME) &&(ucCurByte ==(unsigned char) 0xFF))
|
| 1171 |
|
|
{
|
| 1172 |
|
|
g_ucCompressCounter = GetByte(g_iMovingDataIndex++, 0);
|
| 1173 |
|
|
g_ucCompressCounter--;
|
| 1174 |
|
|
}
|
| 1175 |
|
|
}
|
| 1176 |
|
|
}
|
| 1177 |
|
|
}
|
| 1178 |
|
|
|
| 1179 |
|
|
ucBitState =(unsigned char)(((ucCurByte << iIndex % 8) & 0x80) ? 0x01 : 0x00);
|
| 1180 |
|
|
writePort(pinTDI, ucBitState);
|
| 1181 |
|
|
|
| 1182 |
|
|
if (iIndex < a_uiDataSize - 1)
|
| 1183 |
|
|
{
|
| 1184 |
|
|
sclock();
|
| 1185 |
|
|
}
|
| 1186 |
|
|
}
|
| 1187 |
|
|
}
|
| 1188 |
|
|
|
| 1189 |
|
|
/*************************************************************
|
| 1190 |
|
|
* *
|
| 1191 |
|
|
* ISPVMSTATEMACHINE *
|
| 1192 |
|
|
* *
|
| 1193 |
|
|
* INPUT: *
|
| 1194 |
|
|
* a_cNextState: this is the opcode of the next JTAG *
|
| 1195 |
|
|
* state. *
|
| 1196 |
|
|
* *
|
| 1197 |
|
|
* RETURN: *
|
| 1198 |
|
|
* This functions returns 0 when passing, and -1 when *
|
| 1199 |
|
|
* failure occurs. *
|
| 1200 |
|
|
* *
|
| 1201 |
|
|
* DESCRIPTION: *
|
| 1202 |
|
|
* This function is called to move the device into *
|
| 1203 |
|
|
* different JTAG states. *
|
| 1204 |
|
|
* *
|
| 1205 |
|
|
*************************************************************/
|
| 1206 |
|
|
|
| 1207 |
|
|
void ispVMStateMachine(char a_cNextState)
|
| 1208 |
|
|
{
|
| 1209 |
|
|
int cPathIndex, cStateIndex;
|
| 1210 |
|
|
if ((g_cCurrentJTAGState == DRPAUSE) &&(a_cNextState== DRPAUSE) && m_loopState)
|
| 1211 |
|
|
{
|
| 1212 |
|
|
}
|
| 1213 |
|
|
else if ((g_cCurrentJTAGState == a_cNextState) &&(g_cCurrentJTAGState != RESET))
|
| 1214 |
|
|
{
|
| 1215 |
|
|
return;
|
| 1216 |
|
|
}
|
| 1217 |
|
|
|
| 1218 |
|
|
for (cStateIndex = 0;cStateIndex < 25; cStateIndex++)
|
| 1219 |
|
|
{
|
| 1220 |
|
|
if ((g_cCurrentJTAGState == iStates[cStateIndex].CurState) &&(a_cNextState == iStates[cStateIndex].NextState))
|
| 1221 |
|
|
{
|
| 1222 |
|
|
break;
|
| 1223 |
|
|
}
|
| 1224 |
|
|
}
|
| 1225 |
|
|
g_cCurrentJTAGState = a_cNextState;
|
| 1226 |
|
|
for (cPathIndex = 0;cPathIndex < iStates[cStateIndex].Pulses; cPathIndex++)
|
| 1227 |
|
|
{
|
| 1228 |
|
|
if ((iStates[cStateIndex].Pattern << cPathIndex) & 0x80)
|
| 1229 |
|
|
{
|
| 1230 |
|
|
writePort(pinTMS, (unsigned char) 0x01);
|
| 1231 |
|
|
}
|
| 1232 |
|
|
else
|
| 1233 |
|
|
{
|
| 1234 |
|
|
writePort(pinTMS, (unsigned char) 0x00);
|
| 1235 |
|
|
}
|
| 1236 |
|
|
sclock();
|
| 1237 |
|
|
}
|
| 1238 |
|
|
|
| 1239 |
|
|
writePort(pinTDI, 0x00);
|
| 1240 |
|
|
writePort(pinTMS, 0x00);
|
| 1241 |
|
|
}
|
| 1242 |
|
|
|
| 1243 |
|
|
/*************************************************************
|
| 1244 |
|
|
* *
|
| 1245 |
|
|
* ISPVMCLOCKS *
|
| 1246 |
|
|
* *
|
| 1247 |
|
|
* INPUT: *
|
| 1248 |
|
|
* a_usClocks: number of clocks to apply. *
|
| 1249 |
|
|
* *
|
| 1250 |
|
|
* RETURN: *
|
| 1251 |
|
|
* None. *
|
| 1252 |
|
|
* *
|
| 1253 |
|
|
* DESCRIPTION: *
|
| 1254 |
|
|
* This procedure applies the specified number of pulses *
|
| 1255 |
|
|
* to TCK. *
|
| 1256 |
|
|
* *
|
| 1257 |
|
|
*************************************************************/
|
| 1258 |
|
|
|
| 1259 |
|
|
void ispVMClocks(unsigned int a_uiClocks)
|
| 1260 |
|
|
{
|
| 1261 |
|
|
for (; a_uiClocks > 0; a_uiClocks--)
|
| 1262 |
|
|
{
|
| 1263 |
|
|
sclock();
|
| 1264 |
|
|
}
|
| 1265 |
|
|
}
|
| 1266 |
|
|
|
| 1267 |
|
|
/*************************************************************
|
| 1268 |
|
|
* *
|
| 1269 |
|
|
* ISPVMBYPASS *
|
| 1270 |
|
|
* *
|
| 1271 |
|
|
* INPUT: *
|
| 1272 |
|
|
* a_siLength: this argument is the length of the *
|
| 1273 |
|
|
* command. *
|
| 1274 |
|
|
* *
|
| 1275 |
|
|
* RETURN: *
|
| 1276 |
|
|
* None. *
|
| 1277 |
|
|
* *
|
| 1278 |
|
|
* DESCRIPTION: *
|
| 1279 |
|
|
* This function takes care of the HIR, HDR, TIR, and TDR *
|
| 1280 |
|
|
* for the purpose of putting the other devices into *
|
| 1281 |
|
|
* bypass mode. *
|
| 1282 |
|
|
* *
|
| 1283 |
|
|
*************************************************************/
|
| 1284 |
|
|
|
| 1285 |
|
|
void ispVMBypass(unsigned int a_uiLength)
|
| 1286 |
|
|
{
|
| 1287 |
|
|
/*************************************************************
|
| 1288 |
|
|
* *
|
| 1289 |
|
|
* Issue a_siLength number of 0x01 to the TDI pin to bypass. *
|
| 1290 |
|
|
* *
|
| 1291 |
|
|
*************************************************************/
|
| 1292 |
|
|
|
| 1293 |
|
|
for (; a_uiLength > 1; a_uiLength--)
|
| 1294 |
|
|
{
|
| 1295 |
|
|
writePort(pinTDI, (char) 0x01);
|
| 1296 |
|
|
sclock();
|
| 1297 |
|
|
}
|
| 1298 |
|
|
|
| 1299 |
|
|
writePort(pinTDI, (char) 0x01);
|
| 1300 |
|
|
}
|
| 1301 |
|
|
/*************************************************************
|
| 1302 |
|
|
* *
|
| 1303 |
|
|
* ispVMLCOUNT *
|
| 1304 |
|
|
* *
|
| 1305 |
|
|
* INPUT: *
|
| 1306 |
|
|
* a_usCountSize: The maximum number of loop required to *
|
| 1307 |
|
|
* poling the status *
|
| 1308 |
|
|
* *
|
| 1309 |
|
|
* *
|
| 1310 |
|
|
* DESCRIPTION: *
|
| 1311 |
|
|
* This function is set the maximum loop count *
|
| 1312 |
|
|
* *
|
| 1313 |
|
|
*************************************************************/
|
| 1314 |
|
|
|
| 1315 |
|
|
void ispVMLCOUNT(unsigned short a_usCountSize)
|
| 1316 |
|
|
{
|
| 1317 |
|
|
g_usLCOUNTSize = a_usCountSize;
|
| 1318 |
|
|
}
|
| 1319 |
|
|
/*************************************************************
|
| 1320 |
|
|
* *
|
| 1321 |
|
|
* ispVMLDELAY *
|
| 1322 |
|
|
* *
|
| 1323 |
|
|
* *
|
| 1324 |
|
|
* DESCRIPTION: *
|
| 1325 |
|
|
* This function is set the delay state, number of TCK and*
|
| 1326 |
|
|
* the delay time for poling the status *
|
| 1327 |
|
|
* *
|
| 1328 |
|
|
*************************************************************/
|
| 1329 |
|
|
void ispVMLDELAY()
|
| 1330 |
|
|
{
|
| 1331 |
|
|
g_ucLDELAYState = IDLE;
|
| 1332 |
|
|
g_ucLDELAYDelay = 0;
|
| 1333 |
|
|
g_ucLDELAYTCK = 0;
|
| 1334 |
|
|
while (1)
|
| 1335 |
|
|
{
|
| 1336 |
|
|
unsigned char bytedata = GetByte(g_iMovingAlgoIndex++, 1);
|
| 1337 |
|
|
switch (bytedata)
|
| 1338 |
|
|
{
|
| 1339 |
|
|
case STATE: /*step BSCAN state machine to specified state*/
|
| 1340 |
|
|
g_ucLDELAYState = GetByte(g_iMovingAlgoIndex++, 1);
|
| 1341 |
|
|
break;
|
| 1342 |
|
|
case WAIT: /*opcode to wait for specified time in us or ms*/
|
| 1343 |
|
|
g_ucLDELAYDelay = (short int) ispVMDataSize();
|
| 1344 |
|
|
break;
|
| 1345 |
|
|
case TCK: /*pulse TCK signal the specified time*/
|
| 1346 |
|
|
g_ucLDELAYTCK = (short int) ispVMDataSize();
|
| 1347 |
|
|
break;
|
| 1348 |
|
|
case ENDSTATE:
|
| 1349 |
|
|
return;
|
| 1350 |
|
|
break;
|
| 1351 |
|
|
}
|
| 1352 |
|
|
}
|
| 1353 |
|
|
}
|
