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patch #8437: [PATCH] Serial-over-ethernet for Win32 

* configure.ac: Check for ws2_32 library
* ser_win32.c: Add hooks for forwarding serial data over
TCP connections
* avrdude.1: Drop previous restriction of -P net:
* doc/avrdude.conf: (Dito.)



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1350 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2014-11-25 20:00:33 +00:00
parent 62a3bf0dcd
commit 3fd1765025
6 changed files with 335 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ChangeLog
View File

@ -1,3 +1,12 @@
2014-11-25 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
patch #8437: [PATCH] Serial-over-ethernet for Win32
* configure.ac: Check for ws2_32 library
* ser_win32.c: Add hooks for forwarding serial data over
TCP connections
* avrdude.1: Drop previous restriction of -P net:
* doc/avrdude.conf: (Dito.)
2014-11-24 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
bug #42908: no external reset at JTAGICE3

5
NEWS
View File

@ -25,6 +25,10 @@ Current:
- buspirate: Also support "cpufreq" extended parameter
in binary mode (patch #8504 )
- The "-P net:" syntax (forwarding of serial data over TCP) is now
also implemented for Win32 systems.
* New devices supported:
- AT90PWM216 (bug #42310: New part description for AT90PWM216)
- ATmega32M1 (patch #7694 Add support for the atmega32m1)
@ -52,6 +56,7 @@ Current:
- bug #43137: Writing and reading incorrect pages when using jtagicemkI
- bug #40870: config nitpick: ATtiny25/45/85 have 1 calibration byte not 2
- bug #42908: no external reset at JTAGICE3
- patch #8437: [PATCH] Serial-over-ethernet for Win32
* Internals:
- Removing exit calls from config parser

1
avrdude.1
View File

@ -511,7 +511,6 @@ actual programmer has been attached to.
The port is assumed to be properly configured, for example using a
transparent 8-bit data connection without parity at 115200 Baud
for a STK500.
.Em This feature is currently not implemented for Win32 systems.
.It Fl q
Disable (or quell) output of the progress bar while reading or writing
to the device. Specify it a second time for even quieter operation.

3
configure.ac
View File

@ -191,6 +191,9 @@ AC_CHECK_HEADERS([ddk/hidsdi.h],,,[#include <windows.h>
AC_C_CONST
AC_HEADER_TIME
# WinSock2
AC_CHECK_LIB([ws2_32], [puts])
# Checks for library functions.
AC_CHECK_FUNCS([memset select strcasecmp strdup strerror strncasecmp strtol strtoul gettimeofday usleep])

2
doc/avrdude.texi
View File

@ -561,8 +561,6 @@ The port is assumed to be properly configured, for example using a
transparent 8-bit data connection without parity at 115200 Baud
for a STK500.
@emph{This feature is currently not implemented for Win32 systems.}
@item -q
Disable (or quell) output of the progress bar while reading or writing

296
ser_win32.c
View File

@ -23,11 +23,19 @@
* Native Win32 serial interface for avrdude.
*/
#include "ac_cfg.h"
#if defined(WIN32NATIVE)
#ifdef HAVE_LIBWS2_32
/* winsock2.h must be included before windows.h from avrdude.h... */
# include <winsock2.h>
#endif
#include <windows.h>
#include <stdio.h>
#include <ctype.h> /* for isprint */
#include <errno.h> /* ENOTTY */
#include "avrdude.h"
#include "libavrdude.h"
@ -41,6 +49,8 @@ struct baud_mapping {
DWORD speed;
};
static unsigned char serial_over_ethernet = 0;
/* HANDLE hComPort=INVALID_HANDLE_VALUE; */
static struct baud_mapping baud_lookup_table [] = {
@ -89,6 +99,9 @@ static BOOL serial_w32SetTimeOut(HANDLE hComPort, DWORD timeout) // in ms
static int ser_setspeed(union filedescriptor *fd, long baud)
{
if (serial_over_ethernet) {
return -ENOTTY;
} else {
DCB dcb;
HANDLE hComPort = (HANDLE)fd->pfd;
@ -107,6 +120,101 @@ static int ser_setspeed(union filedescriptor *fd, long baud)
return 0;
}
}
#ifdef HAVE_LIBWS2_32
static int
net_open(const char *port, union filedescriptor *fdp)
{
WSADATA wsaData;
LPVOID lpMsgBuf;
char *hstr, *pstr, *end;
unsigned int pnum;
int fd;
struct sockaddr_in sockaddr;
struct hostent *hp;
if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) {
avrdude_message(MSG_INFO, "%s: net_open(): WSAStartup() failed\n", progname);
return -1;
}
if ((hstr = strdup(port)) == NULL) {
avrdude_message(MSG_INFO, "%s: net_open(): Out of memory!\n", progname);
return -1;
}
if (((pstr = strchr(hstr, ':')) == NULL) || (pstr == hstr)) {
avrdude_message(MSG_INFO, "%s: net_open(): Mangled host:port string \"%s\"\n", progname, hstr);
free(hstr);
return -1;
}
/*
* Terminate the host section of the description.
*/
*pstr++ = '\0';
pnum = strtoul(pstr, &end, 10);
if ((*pstr == '\0') || (*end != '\0') || (pnum == 0) || (pnum > 65535)) {
avrdude_message(MSG_INFO, "%s: net_open(): Bad port number \"%s\"\n", progname, pstr);
free(hstr);
return -1;
}
if ((hp = gethostbyname(hstr)) == NULL) {
avrdude_message(MSG_INFO, "%s: net_open(): unknown host \"%s\"\n", progname, hstr);
free(hstr);
return -1;
}
free(hstr);
if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: net_open(): Cannot open socket: %s\n", progname, (char *)lpMsgBuf);
LocalFree(lpMsgBuf);
return -1;
}
memset(&sockaddr, 0, sizeof(struct sockaddr_in));
sockaddr.sin_family = AF_INET;
sockaddr.sin_port = htons(pnum);
memcpy(&(sockaddr.sin_addr.s_addr), hp->h_addr, sizeof(struct in_addr));
if (connect(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: net_open(): Connect failed: %s\n", progname, (char *)lpMsgBuf);
LocalFree(lpMsgBuf);
return -1;
}
fdp->ifd = fd;
serial_over_ethernet = 1;
return 0;
}
#endif
static int ser_open(char * port, union pinfo pinfo, union filedescriptor *fdp)
@ -118,14 +226,16 @@ static int ser_open(char * port, union pinfo pinfo, union filedescriptor *fdp)
/*
* If the port is of the form "net:<host>:<port>", then
* handle it as a TCP connection to a terminal server.
*
* This is curently not implemented for Win32.
*/
if (strncmp(port, "net:", strlen("net:")) == 0) {
avrdude_message(MSG_INFO, "%s: ser_open(): network connects are currently not"
"implemented for Win32 environments\n",
#ifdef HAVE_LIBWS2_32
return net_open(port + strlen("net:"), fdp);
#else
avrdude_message(MSG_INFO, "%s: ser_open(): "
"not configured for TCP connections\n",
progname);
return -1;
#endif
}
if (strncasecmp(port, "com", strlen("com")) == 0) {
@ -198,15 +308,23 @@ static int ser_open(char * port, union pinfo pinfo, union filedescriptor *fdp)
static void ser_close(union filedescriptor *fd)
{
if (serial_over_ethernet) {
closesocket(fd->ifd);
WSACleanup();
} else {
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort != INVALID_HANDLE_VALUE)
CloseHandle (hComPort);
hComPort = INVALID_HANDLE_VALUE;
}
}
static int ser_set_dtr_rts(union filedescriptor *fd, int is_on)
{
if (serial_over_ethernet) {
return 0;
} else {
HANDLE hComPort=(HANDLE)fd->pfd;
if (is_on) {
@ -218,10 +336,78 @@ static int ser_set_dtr_rts(union filedescriptor *fd, int is_on)
}
return 0;
}
}
#ifdef HAVE_LIBWS2_32
static int net_send(union filedescriptor *fd, unsigned char * buf, size_t buflen)
{
LPVOID lpMsgBuf;
int rc;
unsigned char *p = buf;
size_t len = buflen;
if (fd->ifd < 0) {
avrdude_message(MSG_NOTICE, "%s: net_send(): connection not open\n", progname);
exit(1);
}
if (!len) {
return 0;
}
if (verbose > 3) {
avrdude_message(MSG_TRACE, "%s: Send: ", progname);
while (buflen) {
unsigned char c = *buf;
if (isprint(c)) {
avrdude_message(MSG_TRACE, "%c ", c);
} else {
avrdude_message(MSG_TRACE, ". ");
}
avrdude_message(MSG_TRACE, "[%02x] ", c);
buf++;
buflen--;
}
avrdude_message(MSG_TRACE, "\n");
}
while (len) {
rc = send(fd->ifd, p, (len > 1024) ? 1024 : len, 0);
if (rc < 0) {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: net_send(): send error: %s\n", progname, (char *)lpMsgBuf);
LocalFree(lpMsgBuf);
exit(1);
}
p += rc;
len -= rc;
}
return 0;
}
#endif
static int ser_send(union filedescriptor *fd, const unsigned char * buf, size_t buflen)
{
#ifdef HAVE_LIBWS2_32
if (serial_over_ethernet) {
return net_send(fd, buf, buflen);
}
#endif
size_t len = buflen;
unsigned char c='\0';
DWORD written;
@ -275,8 +461,110 @@ static int ser_send(union filedescriptor *fd, const unsigned char * buf, size_t
}
#ifdef HAVE_LIBWS2_32
static int net_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen)
{
LPVOID lpMsgBuf;
struct timeval timeout, to2;
fd_set rfds;
int nfds;
int rc;
unsigned char *p = buf;
size_t len = 0;
if (fd->ifd < 0) {
avrdude_message(MSG_INFO, "%s: net_recv(): connection not open\n", progname);
exit(1);
}
timeout.tv_sec = serial_recv_timeout / 1000L;
timeout.tv_usec = (serial_recv_timeout % 1000L) * 1000;
to2 = timeout;
while (len < buflen) {
reselect:
FD_ZERO(&rfds);
FD_SET(fd->ifd, &rfds);
nfds = select(fd->ifd + 1, &rfds, NULL, NULL, &to2);
if (nfds == 0) {
if (verbose > 1) {
avrdude_message(MSG_NOTICE, "%s: ser_recv(): programmer is not responding\n", progname);
}
return -1;
} else if (nfds == -1) {
if (WSAGetLastError() == WSAEINTR || WSAGetLastError() == WSAEINPROGRESS) {
avrdude_message(MSG_NOTICE, "%s: ser_recv(): programmer is not responding, reselecting\n", progname);
goto reselect;
} else {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: ser_recv(): select(): %s\n", progname, (char *)lpMsgBuf);
LocalFree(lpMsgBuf);
exit(1);
}
}
rc = recv(fd->ifd, p, (buflen - len > 1024) ? 1024 : buflen - len, 0);
if (rc < 0) {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
WSAGetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: ser_recv(): read error: %s\n", progname, (char *)lpMsgBuf);
LocalFree(lpMsgBuf);
exit(1);
}
p += rc;
len += rc;
}
p = buf;
if (verbose > 3) {
avrdude_message(MSG_TRACE, "%s: Recv: ", progname);
while (len) {
unsigned char c = *p;
if (isprint(c)) {
avrdude_message(MSG_TRACE, "%c ", c);
} else {
avrdude_message(MSG_TRACE, ". ");
}
avrdude_message(MSG_TRACE, "[%02x] ", c);
p++;
len--;
}
avrdude_message(MSG_TRACE, "\n");
}
return 0;
}
#endif
static int ser_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen)
{
#ifdef HAVE_LIBWS2_32
if (serial_over_ethernet) {
return net_recv(fd, buf, buflen);
}
#endif
unsigned char c;
unsigned char * p = buf;
DWORD read;