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Z8 Encore Error index out of range

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M

mootaccount

New Member
Hi,

I can't find the error in this code. Please help. The error messages are as follows:

ERROR (300) On line 185 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 187 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 242 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 242 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 243 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 243 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 243 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 243 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 245 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 245 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 248 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 248 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 249 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 251 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 251 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
ERROR (300) On line 251 of "D:\PR\Z8ENCORE_PROJECT\XMODEM.C"
Error index out of range
Build completed.

Source code:

Code: 
#include "boot.h"
#include <stdio.h>
#include <uart.h>
#include "boot_crc16.h"

/* xmodem-related */
int  boot_error_decode;
int  boot_error_nak;
int  boot_error_in;
int  boot_s_records;
int  boot_x_records;
long boot_bytes;
long boot_max_adr;

extern MY_FIFO boot_fifo;

#define DLY_1S 1000
#define MAXRETRANS 25

#define SOH  0x01
#define STX  0x02
#define EOT  0x04
#define ACK  0x06
#define NAK  0x15
#define CAN  0x18
#define CTRLZ 0x1A

unsigned char boot_hex( unsigned char c ) {
return ( c < 0x3a ) ? (c & 15) : (( c & 15 ) + 9);
}

// process the resulting S records

int  boot_process(void) {
unsigned char c;
static unsigned char len, byte, sum;
static unsigned long adr;

c=fifo_get();
switch (boot_fifo.state) {
   case 0:                  // looking for an 'S'
       if( c == 'S' ) boot_fifo.state++;
       break;
   case 1:                  // looking for an '2'
       if( c != '2' ) boot_fifo.state = 0;    // ignore all records but S2
       else           boot_fifo.state=3;      // S2 has been found
       break;
   case 3:                       // first byte of byte count
       boot_s_records++;
       len = boot_hex(c);             // save the partial result
       boot_fifo.state++;    
       break;
   case 4:                       // second byte of byte count
       len = (len << 4) + boot_hex(c);
       boot_fifo.state++;
       sum = len;                // len is first byte in sum check
       break;
   case 5:                       // first byte of address
       adr = byte = boot_hex(c);      // save the partial result
       boot_fifo.state++;    
       break;
   case 6:                       // second byte of address
   case 8:                       // 4th byte of address
   case 10:                      // 6th byte of address
       c = boot_hex(c);
       adr = (adr << 4) + c;
       byte = (byte << 4) + c;
       sum += byte;              // on even bytes, add into sum check
       boot_fifo.state++;    
       break;
   case 7:                       // 3rd byte of address
   case 9:                       // 5th byte of address
       byte = boot_hex(c);            // on odd bytes, save partial for sum check usage
       adr = (adr << 4) + byte;
       boot_fifo.state++;    
       break;
   case 11:                      // first part of data byte or check sum
       byte = boot_hex(c);            // save the partial result
       boot_fifo.state++;    
       if( len < 5 ) boot_fifo.state++;    // if in sum check area skip over next step
       break;
   case 12:                      // second data byte
       byte = (byte << 4) + boot_hex(c);
       sum += byte;
       *( boot_fifo.origin + adr ) = byte;     // store the byte
       if( adr > boot_max_adr )  boot_max_adr = adr;
       boot_bytes++;
       adr++;
       len--;
       boot_fifo.state--;     // go back for another data byte
       break;   
   case 13:                      // 2nd byte of sum check
       byte = (byte << 4) + boot_hex(c);
       sum += byte;
       boot_fifo.state = 0; 
       if( sum != 255 ) {
          boot_error_decode++;
          return -4;
          }   
       break;
   
   }
return 0;
}

unsigned char get_test()
{
	if ( kbhit() ) return 1;
	else return 0;
}

//void delayms (unsigned int milliseconds)
//{
//unsigned int volatile current_ms;

//	current_ms = 0;
//	T0CTL &= 0x7F; // Disable T0
//	T0H = 0x00 ; // Restart from 0
//	T0L = 0x00 ;
//	T0CTL |= 0x80 ; // Put On T0
//	while (current_ms < milliseconds)
//	; // Delay loop
//	T0CTL &= 0x7F; // Stop T0
//} /* delayms */

void delay(void) // Delay function
{
int i,j;
for(i=0;i<0xFF;i++)
for(j=0;j<0xFF;j++);
}

int boot_inbyte(unsigned short timeout)    // Get a comm char with timeout
{
int cc = 0;

 while( timeout-- )  {
   if( get_test() )  
       //return getc();
	   return getch();
   if( !fifo_empty() )  {
       cc = boot_process();
       if( cc < 0 ) return cc;
       }
   else 
       delay();
	   //delayms(1);
   }
return -1;
}

static void flushinput(void)
{
	while (boot_inbyte(((DLY_1S)*3)>>1) >= 0)
		;
}

static int check(int crc, unsigned char *buf, int sz)
{
	if (crc) {
		unsigned short crc = crc16_ccitt(buf, sz);
		unsigned short tcrc = (buf[sz]<<8)+buf[sz+1];
		if (crc == tcrc)
			return 1;
	}
	else {
		int i;
		unsigned char cks = 0;
		for (i = 0; i < sz; ++i) {
			cks += buf[i];
		}
		if (cks == buf[sz])
		return 1;
	}

	return 0;
}

int boot_xmodemReceive(void)
{
	unsigned char xbuff[1030]; /* 1024 for XModem 1k + 3 head chars + 2 crc + nul */
	unsigned char *p;
	int bufsz, crc = 0;
	unsigned char trychar = 'C';
	unsigned char packetno = 1;
	int i, c;
	int retry, retrans = MAXRETRANS;

	for(;;) {
		for( retry = 0; retry < 16; ++retry) {
			//if (trychar) putc(trychar);
			if (trychar) putch(trychar);
			if ((c = boot_inbyte((DLY_1S)<<1)) >= 0) {
				switch (c) {
				case SOH:
					bufsz = 128;
					goto start_recv;
				case STX:
					bufsz = 1024;
					goto start_recv;
				case EOT:
					flushinput();
					//putc(ACK);
					putch(ACK);
					return 0;        /* normal end */
				case CAN:
					if ((c = boot_inbyte(DLY_1S)) == CAN) {
						flushinput();
						//putc(ACK);
						putch(ACK);
						return -1; /* canceled by remote */
					}
					break;
				default:
					break;
				}
			}
		}
		if (trychar == 'C') { trychar = NAK; continue; }
		flushinput();
		//putc(CAN);
		//putc(CAN);
		//putc(CAN);
		putch(CAN);
		putch(CAN);
		putch(CAN);
		return -2;       /* sync error */

	start_recv:
		if (trychar == 'C') crc = 1;
		trychar = 0;
		p = xbuff;
		*p++ = c;
		for (i = 0;  i < (bufsz+(crc?1:0)+3); ++i) {
			if ((c = boot_inbyte(DLY_1S)) < 0) {
			    boot_error_in++;
			    goto reject;
			    }
			*p++ = c;
		}

		if (xbuff[1] == (unsigned char)(~xbuff[2]) && 
			(xbuff[1] == packetno || xbuff[1] == (unsigned char)packetno-1) &&
			check(crc, &xbuff[3], bufsz)) {
			if (xbuff[1] == packetno)	{
				fifo_move( &xbuff[3], bufsz);
				boot_x_records++;
				++packetno;
				retrans = MAXRETRANS+1;
			}
			if (--retrans <= 0) {
				flushinput();
				//putc(CAN);
				//putc(CAN);
				//putc(CAN);
				putch(CAN);
				putch(CAN);
				putch(CAN);
				return -3; /* too many retry error */
			}
			//putc(ACK);
			putch(ACK);
			continue;
		}
	    boot_error_nak++;
	reject:
		flushinput();
		//putc(NAK);
		putch(NAK);
	}
}

void boot_xmodem(unsigned char*org)
{
	int st;
	
    fifo_init(org);
    boot_error_decode = 0;    // sum check error on the S record
    boot_error_nak = 0;       // number of NAK's sent
    boot_error_in = 0;        // number of errors returned by boot_inbyte() once transfer starts
    boot_s_records = 0;       // number of S2 records received
    boot_x_records = 0;       // number of x records received
    boot_bytes = 0;           // number of bytes actually placed in RAM from S records
    boot_max_adr = 0;         // largest (relative) address stored into during xmodem download
    
	printf("Send data using the xmodem protocol from your terminal emulator now...\r\n");

	st = boot_xmodemReceive();
    if( boot_error_decode > 0 ) st = -4;
    
    printf("\r\n\nResults of download....\r\n");
	printf("Number of X records = %d.\r\n", boot_x_records);
	printf("Number of S records = %d.\r\n", boot_s_records);
	printf("Number of Bytes = %ld.\r\n", boot_bytes);
    printf("Decode errors = %d.\r\n", boot_error_decode);
	printf("NAK errors = %d.\r\n", boot_error_nak);

	if (st < 0) {
		printf("The file was not successfully received, error code was: %d\r\n",st);
		exit();
	}
	else  {
		printf("The file was successfully received\r\n");
	}

	return;
}
 
out of range occurs when a register or register pair cannot hold the data you are passing into it, or an 8 bit register is (index) addressing registers that require 12bit address.
 
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