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Coding Style cleanup.

Browse Source 
Patch by Stefano Babic, 31 Aug 2006
This commit is contained in:
Wolfgang Denk
2006-08-31 16:46:53 +02:00
parent e8143e72e1
commit 7d0432c9e4
2 changed files with 546 additions and 440 deletions
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3
CHANGELOG
View File

@@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
* Coding Style cleanup.
Patch by Stefano Babic, 31 Aug 2006
* Add splashscreen support for MCC200 board.
* Make the serial driver framework work with CONFIG_SERIAL_MULTI

517
common/xyzModem.c
View File

@@ -74,14 +74,15 @@
#define USE_YMODEM_LENGTH
/* Data & state local to the protocol */
static struct {
static struct
{
#ifdef REDBOOT
hal_virtual_comm_table_t* __chan;
hal_virtual_comm_table_t *__chan;
#else
int *__chan;
#endif
unsigned char pkt[1024], *bufp;
unsigned char blk,cblk,crc1,crc2;
unsigned char blk, cblk, crc1, crc2;
unsigned char next_blk; /* Expected block */
int len, mode, total_retries;
int total_SOH, total_STX, total_CAN;
@@ -99,44 +100,54 @@ static struct {
#ifndef REDBOOT /*SB */
typedef int cyg_int32;
int CYGACC_COMM_IF_GETC_TIMEOUT (char chan,char *c) {
int
CYGACC_COMM_IF_GETC_TIMEOUT (char chan, char *c)
{
#define DELAY 20
unsigned long counter=0;
while (!tstc() && (counter < xyzModem_CHAR_TIMEOUT*1000/DELAY)) {
udelay(DELAY);
unsigned long counter = 0;
while (!tstc () && (counter < xyzModem_CHAR_TIMEOUT * 1000 / DELAY))
{
udelay (DELAY);
counter++;
}
if (tstc()) {
*c=getc();
if (tstc ())
{
*c = getc ();
return 1;
}
return 0;
}
void CYGACC_COMM_IF_PUTC(char x,char y) {
putc(y);
void
CYGACC_COMM_IF_PUTC (char x, char y)
{
putc (y);
}
/* Validate a hex character */
__inline__ static bool
_is_hex(char c)
_is_hex (char c)
{
return (((c >= '0') && (c <= '9')) ||
((c >= 'A') && (c <= 'F')) ||
((c >= 'a') && (c <= 'f')));
((c >= 'A') && (c <= 'F')) || ((c >= 'a') && (c <= 'f')));
}
/* Convert a single hex nibble */
__inline__ static int
_from_hex(char c)
_from_hex (char c)
{
int ret = 0;
if ((c >= '0') && (c <= '9')) {
if ((c >= '0') && (c <= '9'))
{
ret = (c - '0');
} else if ((c >= 'a') && (c <= 'f')) {
}
else if ((c >= 'a') && (c <= 'f'))
{
ret = (c - 'a' + 0x0a);
} else if ((c >= 'A') && (c <= 'F')) {
}
else if ((c >= 'A') && (c <= 'F'))
{
ret = (c - 'A' + 0x0A);
}
return ret;
@@ -144,9 +155,10 @@ _from_hex(char c)
/* Convert a character to lower case */
__inline__ static char
_tolower(char c)
_tolower (char c)
{
if ((c >= 'A') && (c <= 'Z')) {
if ((c >= 'A') && (c <= 'Z'))
{
c = (c - 'A') + 'a';
}
return c;
@@ -154,7 +166,7 @@ _tolower(char c)
/* Parse (scan) a number */
bool
parse_num(char *s, unsigned long *val, char **es, char *delim)
parse_num (char *s, unsigned long *val, char **es, char *delim)
{
bool first = true;
int radix = 10;
@@ -162,15 +174,19 @@ parse_num(char *s, unsigned long *val, char **es, char *delim)
unsigned long result = 0;
int digit;
while (*s == ' ') s++;
while (*s) {
if (first && (s[0] == '0') && (_tolower(s[1]) == 'x')) {
while (*s == ' ')
s++;
while (*s)
{
if (first && (s[0] == '0') && (_tolower (s[1]) == 'x'))
{
radix = 16;
s += 2;
}
first = false;
c = *s++;
if (_is_hex(c) && ((digit = _from_hex(c)) < radix)) {
if (_is_hex (c) && ((digit = _from_hex (c)) < radix))
{
/* Valid digit */
#ifdef CYGPKG_HAL_MIPS
/* FIXME: tx49 compiler generates 0x2539018 for MUL which */
@@ -183,18 +199,24 @@ parse_num(char *s, unsigned long *val, char **es, char *delim)
#else
result = (result * radix) + digit;
#endif
} else {
if (delim != (char *)0) {
}
else
{
if (delim != (char *) 0)
{
/* See if this character is one of the delimiters */
char *dp = delim;
while (*dp && (c != *dp)) dp++;
if (*dp) break; /* Found a good delimiter */
while (*dp && (c != *dp))
dp++;
if (*dp)
break; /* Found a good delimiter */
}
return false; /* Malformatted number */
}
}
*val = result;
if (es != (char **)0) {
if (es != (char **) 0)
{
*es = s;
}
return true;
@@ -211,24 +233,26 @@ parse_num(char *s, unsigned long *val, char **es, char *delim)
* messages.
*/
static int
zm_dprintf(char *fmt, ...)
zm_dprintf (char *fmt, ...)
{
int cur_console;
va_list args;
va_start(args, fmt);
va_start (args, fmt);
#ifdef REDBOOT
cur_console = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
CYGACC_CALL_IF_SET_CONSOLE_COMM(1);
cur_console =
CYGACC_CALL_IF_SET_CONSOLE_COMM
(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
CYGACC_CALL_IF_SET_CONSOLE_COMM (1);
#endif
diag_vprintf(fmt, args);
diag_vprintf (fmt, args);
#ifdef REDBOOT
CYGACC_CALL_IF_SET_CONSOLE_COMM(cur_console);
CYGACC_CALL_IF_SET_CONSOLE_COMM (cur_console);
#endif
}
static void
zm_flush(void)
zm_flush (void)
{
}
@@ -238,42 +262,43 @@ zm_flush(void)
*/
#define FINAL
#ifdef FINAL
static char *zm_out = (char *)0x00380000;
static char *zm_out_start = (char *)0x00380000;
static char *zm_out = (char *) 0x00380000;
static char *zm_out_start = (char *) 0x00380000;
#else
static char zm_buf[8192];
static char *zm_out=zm_buf;
static char *zm_out = zm_buf;
static char *zm_out_start = zm_buf;
#endif
static int
zm_dprintf(char *fmt, ...)
zm_dprintf (char *fmt, ...)
{
int len;
va_list args;
va_start(args, fmt);
len = diag_vsprintf(zm_out, fmt, args);
va_start (args, fmt);
len = diag_vsprintf (zm_out, fmt, args);
zm_out += len;
return len;
}
static void
zm_flush(void)
zm_flush (void)
{
#ifdef REDBOOT
char *p = zm_out_start;
while (*p) mon_write_char(*p++);
while (*p)
mon_write_char (*p++);
#endif
zm_out = zm_out_start;
}
#endif
static void
zm_dump_buf(void *buf, int len)
zm_dump_buf (void *buf, int len)
{
#ifdef REDBOOT
diag_vdump_buf_with_offset(zm_dprintf, buf, len, 0);
diag_vdump_buf_with_offset (zm_dprintf, buf, len, 0);
#else
#endif
@@ -283,22 +308,22 @@ static unsigned char zm_buf[2048];
static unsigned char *zm_bp;
static void
zm_new(void)
zm_new (void)
{
zm_bp = zm_buf;
}
static void
zm_save(unsigned char c)
zm_save (unsigned char c)
{
*zm_bp++ = c;
}
static void
zm_dump(int line)
zm_dump (int line)
{
zm_dprintf("Packet at line: %d\n", line);
zm_dump_buf(zm_buf, zm_bp-zm_buf);
zm_dprintf ("Packet at line: %d\n", line);
zm_dump_buf (zm_buf, zm_bp - zm_buf);
}
#define ZM_DEBUG(x) x
@@ -308,18 +333,20 @@ zm_dump(int line)
/* Wait for the line to go idle */
static void
xyzModem_flush(void)
xyzModem_flush (void)
{
int res;
char c;
while (true) {
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, &c);
if (!res) return;
while (true)
{
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, &c);
if (!res)
return;
}
}
static int
xyzModem_get_hdr(void)
xyzModem_get_hdr (void)
{
char c;
int res;
@@ -327,119 +354,150 @@ xyzModem_get_hdr(void)
int i, can_total, hdr_chars;
unsigned short cksum;
ZM_DEBUG(zm_new());
ZM_DEBUG (zm_new ());
/* Find the start of a header */
can_total = 0;
hdr_chars = 0;
if (xyz.tx_ack) {
CYGACC_COMM_IF_PUTC(*xyz.__chan, ACK);
if (xyz.tx_ack)
{
CYGACC_COMM_IF_PUTC (*xyz.__chan, ACK);
xyz.tx_ack = false;
}
while (!hdr_found) {
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, &c);
ZM_DEBUG(zm_save(c));
if (res) {
while (!hdr_found)
{
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, &c);
ZM_DEBUG (zm_save (c));
if (res)
{
hdr_chars++;
switch (c) {
switch (c)
{
case SOH:
xyz.total_SOH++;
case STX:
if (c == STX) xyz.total_STX++;
if (c == STX)
xyz.total_STX++;
hdr_found = true;
break;
case CAN:
xyz.total_CAN++;
ZM_DEBUG(zm_dump(__LINE__));
if (++can_total == xyzModem_CAN_COUNT) {
ZM_DEBUG (zm_dump (__LINE__));
if (++can_total == xyzModem_CAN_COUNT)
{
return xyzModem_cancel;
} else {
}
else
{
/* Wait for multiple CAN to avoid early quits */
break;
}
case EOT:
/* EOT only supported if no noise */
if (hdr_chars == 1) {
CYGACC_COMM_IF_PUTC(*xyz.__chan, ACK);
ZM_DEBUG(zm_dprintf("ACK on EOT #%d\n", __LINE__));
ZM_DEBUG(zm_dump(__LINE__));
if (hdr_chars == 1)
{
CYGACC_COMM_IF_PUTC (*xyz.__chan, ACK);
ZM_DEBUG (zm_dprintf ("ACK on EOT #%d\n", __LINE__));
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_eof;
}
default:
/* Ignore, waiting for start of header */
;
}
} else {
}
else
{
/* Data stream timed out */
xyzModem_flush(); /* Toss any current input */
ZM_DEBUG(zm_dump(__LINE__));
CYGACC_CALL_IF_DELAY_US((cyg_int32)250000);
xyzModem_flush (); /* Toss any current input */
ZM_DEBUG (zm_dump (__LINE__));
CYGACC_CALL_IF_DELAY_US ((cyg_int32) 250000);
return xyzModem_timeout;
}
}
/* Header found, now read the data */
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, (char *)&xyz.blk);
ZM_DEBUG(zm_save(xyz.blk));
if (!res) {
ZM_DEBUG(zm_dump(__LINE__));
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, (char *) &xyz.blk);
ZM_DEBUG (zm_save (xyz.blk));
if (!res)
{
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_timeout;
}
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, (char *)&xyz.cblk);
ZM_DEBUG(zm_save(xyz.cblk));
if (!res) {
ZM_DEBUG(zm_dump(__LINE__));
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, (char *) &xyz.cblk);
ZM_DEBUG (zm_save (xyz.cblk));
if (!res)
{
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_timeout;
}
xyz.len = (c == SOH) ? 128 : 1024;
xyz.bufp = xyz.pkt;
for (i = 0; i < xyz.len; i++) {
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, &c);
ZM_DEBUG(zm_save(c));
if (res) {
for (i = 0; i < xyz.len; i++)
{
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, &c);
ZM_DEBUG (zm_save (c));
if (res)
{
xyz.pkt[i] = c;
} else {
ZM_DEBUG(zm_dump(__LINE__));
}
else
{
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_timeout;
}
}
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, (char *)&xyz.crc1);
ZM_DEBUG(zm_save(xyz.crc1));
if (!res) {
ZM_DEBUG(zm_dump(__LINE__));
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, (char *) &xyz.crc1);
ZM_DEBUG (zm_save (xyz.crc1));
if (!res)
{
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_timeout;
}
if (xyz.crc_mode) {
res = CYGACC_COMM_IF_GETC_TIMEOUT(*xyz.__chan, (char *)&xyz.crc2);
ZM_DEBUG(zm_save(xyz.crc2));
if (!res) {
ZM_DEBUG(zm_dump(__LINE__));
if (xyz.crc_mode)
{
res = CYGACC_COMM_IF_GETC_TIMEOUT (*xyz.__chan, (char *) &xyz.crc2);
ZM_DEBUG (zm_save (xyz.crc2));
if (!res)
{
ZM_DEBUG (zm_dump (__LINE__));
return xyzModem_timeout;
}
}
ZM_DEBUG(zm_dump(__LINE__));
ZM_DEBUG (zm_dump (__LINE__));
/* Validate the message */
if ((xyz.blk ^ xyz.cblk) != (unsigned char)0xFF) {
ZM_DEBUG(zm_dprintf("Framing error - blk: %x/%x/%x\n", xyz.blk, xyz.cblk, (xyz.blk ^ xyz.cblk)));
ZM_DEBUG(zm_dump_buf(xyz.pkt, xyz.len));
xyzModem_flush();
if ((xyz.blk ^ xyz.cblk) != (unsigned char) 0xFF)
{
ZM_DEBUG (zm_dprintf
("Framing error - blk: %x/%x/%x\n", xyz.blk, xyz.cblk,
(xyz.blk ^ xyz.cblk)));
ZM_DEBUG (zm_dump_buf (xyz.pkt, xyz.len));
xyzModem_flush ();
return xyzModem_frame;
}
/* Verify checksum/CRC */
if (xyz.crc_mode) {
cksum = cyg_crc16(xyz.pkt, xyz.len);
if (cksum != ((xyz.crc1 << 8) | xyz.crc2)) {
ZM_DEBUG(zm_dprintf("CRC error - recvd: %02x%02x, computed: %x\n",
if (xyz.crc_mode)
{
cksum = cyg_crc16 (xyz.pkt, xyz.len);
if (cksum != ((xyz.crc1 << 8) | xyz.crc2))
{
ZM_DEBUG (zm_dprintf ("CRC error - recvd: %02x%02x, computed: %x\n",
xyz.crc1, xyz.crc2, cksum & 0xFFFF));
return xyzModem_cksum;
}
} else {
}
else
{
cksum = 0;
for (i = 0; i < xyz.len; i++) {
for (i = 0; i < xyz.len; i++)
{
cksum += xyz.pkt[i];
}
if (xyz.crc1 != (cksum & 0xFF)) {
ZM_DEBUG(zm_dprintf("Checksum error - recvd: %x, computed: %x\n", xyz.crc1, cksum & 0xFF));
if (xyz.crc1 != (cksum & 0xFF))
{
ZM_DEBUG (zm_dprintf
("Checksum error - recvd: %x, computed: %x\n", xyz.crc1,
cksum & 0xFF));
return xyzModem_cksum;
}
}
@@ -448,7 +506,7 @@ xyzModem_get_hdr(void)
}
int
xyzModem_stream_open(connection_info_t *info, int *err)
xyzModem_stream_open (connection_info_t * info, int *err)
{
#ifdef REDBOOT
int console_chan;
@@ -459,7 +517,8 @@ xyzModem_stream_open(connection_info_t *info, int *err)
/* ZM_DEBUG(zm_out = zm_out_start); */
#ifdef xyzModem_zmodem
if (info->mode == xyzModem_zmodem) {
if (info->mode == xyzModem_zmodem)
{
*err = xyzModem_noZmodem;
return -1;
}
@@ -467,20 +526,26 @@ xyzModem_stream_open(connection_info_t *info, int *err)
#ifdef REDBOOT
/* Set up the I/O channel. Note: this allows for using a different port in the future */
console_chan = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
if (info->chan >= 0) {
CYGACC_CALL_IF_SET_CONSOLE_COMM(info->chan);
} else {
CYGACC_CALL_IF_SET_CONSOLE_COMM(console_chan);
console_chan =
CYGACC_CALL_IF_SET_CONSOLE_COMM
(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
if (info->chan >= 0)
{
CYGACC_CALL_IF_SET_CONSOLE_COMM (info->chan);
}
xyz.__chan = CYGACC_CALL_IF_CONSOLE_PROCS();
else
{
CYGACC_CALL_IF_SET_CONSOLE_COMM (console_chan);
}
xyz.__chan = CYGACC_CALL_IF_CONSOLE_PROCS ();
CYGACC_CALL_IF_SET_CONSOLE_COMM(console_chan);
CYGACC_COMM_IF_CONTROL(*xyz.__chan, __COMMCTL_SET_TIMEOUT, xyzModem_CHAR_TIMEOUT);
CYGACC_CALL_IF_SET_CONSOLE_COMM (console_chan);
CYGACC_COMM_IF_CONTROL (*xyz.__chan, __COMMCTL_SET_TIMEOUT,
xyzModem_CHAR_TIMEOUT);
#else
/* TODO: CHECK ! */
int dummy;
xyz.__chan=&dummy;
xyz.__chan = &dummy;
#endif
xyz.len = 0;
xyz.crc_mode = true;
@@ -496,24 +561,28 @@ xyzModem_stream_open(connection_info_t *info, int *err)
xyz.file_length = 0;
#endif
CYGACC_COMM_IF_PUTC(*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
CYGACC_COMM_IF_PUTC (*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
if (xyz.mode == xyzModem_xmodem) {
if (xyz.mode == xyzModem_xmodem)
{
/* X-modem doesn't have an information header - exit here */
xyz.next_blk = 1;
return 0;
}
while (retries-- > 0) {
stat = xyzModem_get_hdr();
if (stat == 0) {
while (retries-- > 0)
{
stat = xyzModem_get_hdr ();
if (stat == 0)
{
/* Y-modem file information header */
if (xyz.blk == 0) {
if (xyz.blk == 0)
{
#ifdef USE_YMODEM_LENGTH
/* skip filename */
while (*xyz.bufp++);
/* get the length */
parse_num((char *)xyz.bufp, &xyz.file_length, NULL, " ");
parse_num ((char *) xyz.bufp, &xyz.file_length, NULL, " ");
#endif
/* The rest of the file name data block quietly discarded */
xyz.tx_ack = true;
@@ -521,25 +590,28 @@ xyzModem_stream_open(connection_info_t *info, int *err)
xyz.next_blk = 1;
xyz.len = 0;
return 0;
} else
if (stat == xyzModem_timeout) {
if (--crc_retries <= 0) xyz.crc_mode = false;
CYGACC_CALL_IF_DELAY_US(5*100000); /* Extra delay for startup */
CYGACC_COMM_IF_PUTC(*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
xyz.total_retries++;
ZM_DEBUG(zm_dprintf("NAK (%d)\n", __LINE__));
}
if (stat == xyzModem_cancel) {
else if (stat == xyzModem_timeout)
{
if (--crc_retries <= 0)
xyz.crc_mode = false;
CYGACC_CALL_IF_DELAY_US (5 * 100000); /* Extra delay for startup */
CYGACC_COMM_IF_PUTC (*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
xyz.total_retries++;
ZM_DEBUG (zm_dprintf ("NAK (%d)\n", __LINE__));
}
if (stat == xyzModem_cancel)
{
break;
}
}
*err = stat;
ZM_DEBUG(zm_flush());
ZM_DEBUG (zm_flush ());
return -1;
}
int
xyzModem_stream_read(char *buf, int size, int *err)
xyzModem_stream_read (char *buf, int size, int *err)
{
int stat, total, len;
int retries;
@@ -547,28 +619,39 @@ xyzModem_stream_read(char *buf, int size, int *err)
total = 0;
stat = xyzModem_cancel;
/* Try and get 'size' bytes into the buffer */
while (!xyz.at_eof && (size > 0)) {
if (xyz.len == 0) {
while (!xyz.at_eof && (size > 0))
{
if (xyz.len == 0)
{
retries = xyzModem_MAX_RETRIES;
while (retries-- > 0) {
stat = xyzModem_get_hdr();
if (stat == 0) {
if (xyz.blk == xyz.next_blk) {
while (retries-- > 0)
{
stat = xyzModem_get_hdr ();
if (stat == 0)
{
if (xyz.blk == xyz.next_blk)
{
xyz.tx_ack = true;
ZM_DEBUG(zm_dprintf("ACK block %d (%d)\n", xyz.blk, __LINE__));
ZM_DEBUG (zm_dprintf
("ACK block %d (%d)\n", xyz.blk, __LINE__));
xyz.next_blk = (xyz.next_blk + 1) & 0xFF;
#if defined(xyzModem_zmodem) || defined(USE_YMODEM_LENGTH)
if (xyz.mode == xyzModem_xmodem || xyz.file_length == 0) {
if (xyz.mode == xyzModem_xmodem || xyz.file_length == 0)
{
#else
if (1) {
if (1)
{
#endif
/* Data blocks can be padded with ^Z (EOF) characters */
/* This code tries to detect and remove them */
if ((xyz.bufp[xyz.len-1] == EOF) &&
(xyz.bufp[xyz.len-2] == EOF) &&
(xyz.bufp[xyz.len-3] == EOF)) {
while (xyz.len && (xyz.bufp[xyz.len-1] == EOF)) {
if ((xyz.bufp[xyz.len - 1] == EOF) &&
(xyz.bufp[xyz.len - 2] == EOF) &&
(xyz.bufp[xyz.len - 3] == EOF))
{
while (xyz.len
&& (xyz.bufp[xyz.len - 1] == EOF))
{
xyz.len--;
}
}
@@ -581,54 +664,67 @@ xyzModem_stream_read(char *buf, int size, int *err)
* Only do this for Y-modem (and Z-modem should it ever
* be supported since it can fall back to Y-modem mode).
*/
if (xyz.mode != xyzModem_xmodem && 0 != xyz.file_length) {
if (xyz.mode != xyzModem_xmodem && 0 != xyz.file_length)
{
xyz.read_length += xyz.len;
if (xyz.read_length > xyz.file_length) {
if (xyz.read_length > xyz.file_length)
{
xyz.len -= (xyz.read_length - xyz.file_length);
}
}
#endif
break;
} else if (xyz.blk == ((xyz.next_blk - 1) & 0xFF)) {
}
else if (xyz.blk == ((xyz.next_blk - 1) & 0xFF))
{
/* Just re-ACK this so sender will get on with it */
CYGACC_COMM_IF_PUTC(*xyz.__chan, ACK);
CYGACC_COMM_IF_PUTC (*xyz.__chan, ACK);
continue; /* Need new header */
} else {
}
else
{
stat = xyzModem_sequence;
}
}
if (stat == xyzModem_cancel) {
if (stat == xyzModem_cancel)
{
break;
}
if (stat == xyzModem_eof) {
CYGACC_COMM_IF_PUTC(*xyz.__chan, ACK);
ZM_DEBUG(zm_dprintf("ACK (%d)\n", __LINE__));
if (xyz.mode == xyzModem_ymodem) {
CYGACC_COMM_IF_PUTC(*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
if (stat == xyzModem_eof)
{
CYGACC_COMM_IF_PUTC (*xyz.__chan, ACK);
ZM_DEBUG (zm_dprintf ("ACK (%d)\n", __LINE__));
if (xyz.mode == xyzModem_ymodem)
{
CYGACC_COMM_IF_PUTC (*xyz.__chan,
(xyz.crc_mode ? 'C' : NAK));
xyz.total_retries++;
ZM_DEBUG(zm_dprintf("Reading Final Header\n"));
stat = xyzModem_get_hdr();
CYGACC_COMM_IF_PUTC(*xyz.__chan, ACK);
ZM_DEBUG(zm_dprintf("FINAL ACK (%d)\n", __LINE__));
ZM_DEBUG (zm_dprintf ("Reading Final Header\n"));
stat = xyzModem_get_hdr ();
CYGACC_COMM_IF_PUTC (*xyz.__chan, ACK);
ZM_DEBUG (zm_dprintf ("FINAL ACK (%d)\n", __LINE__));
}
xyz.at_eof = true;
break;
}
CYGACC_COMM_IF_PUTC(*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
CYGACC_COMM_IF_PUTC (*xyz.__chan, (xyz.crc_mode ? 'C' : NAK));
xyz.total_retries++;
ZM_DEBUG(zm_dprintf("NAK (%d)\n", __LINE__));
ZM_DEBUG (zm_dprintf ("NAK (%d)\n", __LINE__));
}
if (stat < 0) {
if (stat < 0)
{
*err = stat;
xyz.len = -1;
return total;
}
}
/* Don't "read" data from the EOF protocol package */
if (!xyz.at_eof) {
if (!xyz.at_eof)
{
len = xyz.len;
if (size < len) len = size;
memcpy(buf, xyz.bufp, len);
if (size < len)
len = size;
memcpy (buf, xyz.bufp, len);
size -= len;
buf += len;
total += len;
@@ -640,39 +736,42 @@ xyzModem_stream_read(char *buf, int size, int *err)
}
void
xyzModem_stream_close(int *err)
xyzModem_stream_close (int *err)
{
diag_printf("xyzModem - %s mode, %d(SOH)/%d(STX)/%d(CAN) packets, %d retries\n",
xyz.crc_mode ? "CRC" : "Cksum",
xyz.total_SOH, xyz.total_STX, xyz.total_CAN,
xyz.total_retries);
ZM_DEBUG(zm_flush());
diag_printf
("xyzModem - %s mode, %d(SOH)/%d(STX)/%d(CAN) packets, %d retries\n",
xyz.crc_mode ? "CRC" : "Cksum", xyz.total_SOH, xyz.total_STX,
xyz.total_CAN, xyz.total_retries);
ZM_DEBUG (zm_flush ());
}
/* Need to be able to clean out the input buffer, so have to take the */
/* getc */
void xyzModem_stream_terminate(bool abort, int (*getc)(void))
void
xyzModem_stream_terminate (bool abort, int (*getc) (void))
{
int c;
if (abort) {
ZM_DEBUG(zm_dprintf("!!!! TRANSFER ABORT !!!!\n"));
switch (xyz.mode) {
if (abort)
{
ZM_DEBUG (zm_dprintf ("!!!! TRANSFER ABORT !!!!\n"));
switch (xyz.mode)
{
case xyzModem_xmodem:
case xyzModem_ymodem:
/* The X/YMODEM Spec seems to suggest that multiple CAN followed by an equal */
/* number of Backspaces is a friendly way to get the other end to abort. */
CYGACC_COMM_IF_PUTC(*xyz.__chan,CAN);
CYGACC_COMM_IF_PUTC(*xyz.__chan,CAN);
CYGACC_COMM_IF_PUTC(*xyz.__chan,CAN);
CYGACC_COMM_IF_PUTC(*xyz.__chan,CAN);
CYGACC_COMM_IF_PUTC(*xyz.__chan,BSP);
CYGACC_COMM_IF_PUTC(*xyz.__chan,BSP);
CYGACC_COMM_IF_PUTC(*xyz.__chan,BSP);
CYGACC_COMM_IF_PUTC(*xyz.__chan,BSP);
CYGACC_COMM_IF_PUTC (*xyz.__chan, CAN);
CYGACC_COMM_IF_PUTC (*xyz.__chan, CAN);
CYGACC_COMM_IF_PUTC (*xyz.__chan, CAN);
CYGACC_COMM_IF_PUTC (*xyz.__chan, CAN);
CYGACC_COMM_IF_PUTC (*xyz.__chan, BSP);
CYGACC_COMM_IF_PUTC (*xyz.__chan, BSP);
CYGACC_COMM_IF_PUTC (*xyz.__chan, BSP);
CYGACC_COMM_IF_PUTC (*xyz.__chan, BSP);
/* Now consume the rest of what's waiting on the line. */
ZM_DEBUG(zm_dprintf("Flushing serial line.\n"));
xyzModem_flush();
ZM_DEBUG (zm_dprintf ("Flushing serial line.\n"));
xyzModem_flush ();
xyz.at_eof = true;
break;
#ifdef xyzModem_zmodem
@@ -681,30 +780,33 @@ void xyzModem_stream_terminate(bool abort, int (*getc)(void))
#endif
break;
}
} else {
ZM_DEBUG(zm_dprintf("Engaging cleanup mode...\n"));
}
else
{
ZM_DEBUG (zm_dprintf ("Engaging cleanup mode...\n"));
/*
* Consume any trailing crap left in the inbuffer from
* previous recieved blocks. Since very few files are an exact multiple
* of the transfer block size, there will almost always be some gunk here.
* If we don't eat it now, RedBoot will think the user typed it.
*/
ZM_DEBUG(zm_dprintf("Trailing gunk:\n"));
while ((c = (*getc)()) > -1) ;
ZM_DEBUG(zm_dprintf("\n"));
ZM_DEBUG (zm_dprintf ("Trailing gunk:\n"));
while ((c = (*getc) ()) > -1);
ZM_DEBUG (zm_dprintf ("\n"));
/*
* Make a small delay to give terminal programs like minicom
* time to get control again after their file transfer program
* exits.
*/
CYGACC_CALL_IF_DELAY_US((cyg_int32)250000);
CYGACC_CALL_IF_DELAY_US ((cyg_int32) 250000);
}
}
char *
xyzModem_error(int err)
xyzModem_error (int err)
{
switch (err) {
switch (err)
{
case xyzModem_access:
return "Can't access file";
break;
@@ -739,8 +841,9 @@ xyzModem_error(int err)
* RedBoot interface
*/
#if 0 /* SB */
GETC_IO_FUNCS(xyzModem_io, xyzModem_stream_open, xyzModem_stream_close,
xyzModem_stream_terminate, xyzModem_stream_read, xyzModem_error);
RedBoot_load(xmodem, xyzModem_io, false, false, xyzModem_xmodem);
RedBoot_load(ymodem, xyzModem_io, false, false, xyzModem_ymodem);
GETC_IO_FUNCS (xyzModem_io, xyzModem_stream_open, xyzModem_stream_close,
xyzModem_stream_terminate, xyzModem_stream_read,
xyzModem_error);
RedBoot_load (xmodem, xyzModem_io, false, false, xyzModem_xmodem);
RedBoot_load (ymodem, xyzModem_io, false, false, xyzModem_ymodem);
#endif