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#include "jtag.h"
#include "iobase.h"
#include "javr.h"
#include <stdio.h>
#include <stdlib.h>
#include "debug.h"
static Jtag *avr_j;
static IOBase *avr_io;
static void BitArraytoByteArray(const char * Data, unsigned char *bData, int Size)
{
int i,j;
unsigned char bvalue;
if (debug& UL_FUNCTIONS)
fprintf(stderr, "BitArraytoByteArray Size %2d ", Size);
if (debug& UL_DETAILS) {
if (Size < 17) {
for (i=Size-1; i>=0; i--)
fprintf(stderr, "%c",(Data[i]=='1')?'1':'0');
}
}
bvalue=0;
j = 0;
for (i=0; i<Size; i++) {
bvalue += (Data[i]=='1')? (1<<j):0;
bData[i/8]=bvalue;
if (j >= 7) {
j=0;
bvalue = 0;
}
else
j++;
}
if (debug& UL_FUNCTIONS) {
fprintf(stderr, " Result 0x");
if (Size%8)
fprintf(stderr, "%02x", bData[Size/8]);
for(i=Size/8; i >0; i--)
fprintf(stderr, "%02x", bData[i-1]);
fprintf(stderr, "\n");
}
}
static void ByteArraytoBitArray(char * Output, unsigned char *bOutput, int Size)
{
int i,j;
unsigned char bvalue;
bvalue=0;
j = 0;
for (i=0; i<Size; i++) {
if ((i%8)== 0) {
bvalue = bOutput[i/8];
}
Output[i]=(bvalue & 1<<j)? '1': '0';
if (j >= 7) {
j=0;
}
else
j++;
}
if (debug& UL_FUNCTIONS)
fprintf(stderr, "ByteArraytoBitArray size %d ", Size);
if (debug& UL_DETAILS) {
fprintf(stderr, "0x");
for (i=(Size>64)?63:Size-1;i>=0; i-=8)
fprintf(stderr, "%02x",bOutput[i/8]);
fprintf(stderr, " ");
for (i=(Size>64)?63:Size-1;i>=0; i--)
fprintf(stderr, "%c",Output[i]);
}
if (debug& UL_FUNCTIONS)
fprintf(stderr, "\n");
}
void JTAG_Init(Jtag *j, IOBase *io)
{
avr_j = j;
avr_io = io;
}
void Send_Instruction(int Size, const char *Data){
unsigned char inst[1];
if (Size !=4){
fprintf(stderr," Unexpected size %d\n",Size);
return;
}
else {
BitArraytoByteArray(Data, inst, 4);
if (debug& UL_FUNCTIONS)
fprintf(stderr,"Send_Instruction 0x%02x\n",inst[0]);
}
avr_j->shiftIR(inst, 0);
}
void Send_Data(int Size, const char *Data)
{
int bSize= Size/8;
unsigned char * bData;
bSize+=(Size%8)?1:0;
bData=(byte*) malloc(bSize*sizeof(unsigned char));
if (debug& UL_FUNCTIONS)
fprintf(stderr,"Send_Data Size %d\n",Size);
if (!bData ) {
fprintf(stderr,"Send_Data: malloc failed\n");
return;
}
BitArraytoByteArray(Data, bData, Size);
avr_j->shiftDR(bData,0, Size, 0, true);
free(bData);
}
void Send_bData_Output(int Size, unsigned char *Data, unsigned char *Output)
{
if (debug& UL_FUNCTIONS)
fprintf(stderr,"Send_bData_Output\n");
avr_j->shiftDR(Data,Output,Size, 0, 1);
}
void Send_Data_Output(int Size, char *Data, char *Output)
{
int bSize= Size/8 + ((Size%8)?1:0);
unsigned char * bData, * bOutput;
bData = (unsigned char*) malloc(bSize*sizeof(unsigned char));
bOutput = (unsigned char*) malloc(bSize*sizeof(unsigned char));
if (!bData || !bOutput) {
fprintf(stderr,"Send_Data_Output: malloc failed\n");
if(bData) free(bData);
if(bOutput) free(bOutput);
return;
}
if (debug& UL_FUNCTIONS)
fprintf(stderr,"Send_Data_Output Size %d bSize %d\n", Size, bSize);
BitArraytoByteArray(Data, bData, Size);
avr_j->shiftDR(bData,bOutput,Size, 0, 1);
ByteArraytoBitArray(Output,bOutput,Size);
free(bData);
free(bOutput);
}
#ifdef NEWFUNCTIONS
unsigned short Send_AVR_Prog_Command(unsigned short command)
{
unsigned char array[2],output[2];
unsigned short mask;
ShortToByteArray(command,&array[0]);
avr_j->shiftDR(array,output,15,0,1);
mask=ByteArrayToShort(output);
if (debug& UL_FUNCTIONS)
fprintf(stderr,"Send_AVR_Prog_Command d send 0x%04x rec 0x%04x\n",
command, mask);
return(mask);
}
/********************************************************************\
* *
* Use JTAG Reset Register to put AVR in Reset *
* *
\********************************************************************/
void ResetAVR(void)
{
unsigned char x[1]={0xff}; /* High corresponds to external reset low */
fprintf(stderr,"ResetAVR(new)\n");
Send_Instruction(4,AVR_RESET);
avr_j->shiftDR(x,0,1,0,1);
}
/********************************************************************\
* *
* Use JTAG Reset Register to take AVR out of Reset *
* *
\********************************************************************/
void ResetReleaseAVR(void)
{
unsigned char x[1]={0}; /* High corresponds to external reset low */
fprintf(stderr,"ResetReleaseAVR(new)\n");
Send_Instruction(4,AVR_RESET);
avr_j->shiftDR(x,0,1,0,1);
}
void AVR_Prog_Enable(void)
{
unsigned char inst[2];
fprintf(stderr,"AVR_Prog_Enable(New)\n");
ShortToByteArray(0xA370,&inst[0]);
Send_Instruction(4,PROG_ENABLE);
avr_j->shiftDR(inst,0,16,0,1);
}
void AVR_Prog_Disable(void)
{
unsigned char inst[2];
fprintf(stderr,"AVR_Prog_Disable(new)\n");
ShortToByteArray(0,&inst[0]);
Send_Instruction(4,PROG_ENABLE);
avr_j->shiftDR(inst,0,16,0,1);
}
#endif
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