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;
const unsigned char * b = buf;
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort == INVALID_HANDLE_VALUE) {
avrdude_message(MSG_INFO, "%s: ser_send(): port not open\n",
progname);
return -1;
}
if (!len)
return 0;
if (verbose > 3)
{
avrdude_message(MSG_TRACE, "%s: Send: ", progname);
while (len) {
c = *b;
if (isprint(c)) {
avrdude_message(MSG_TRACE, "%c ", c);
}
else {
avrdude_message(MSG_TRACE, ". ");
}
avrdude_message(MSG_TRACE, "[%02x] ", c);
b++;
len--;
}
avrdude_message(MSG_INFO, "\n");
}
serial_w32SetTimeOut(hComPort,500);
if (!WriteFile (hComPort, buf, buflen, &written, NULL)) {
avrdude_message(MSG_INFO, "%s: ser_send(): write error: %s\n",
progname, "sorry no info avail"); // TODO
return -1;
}
if (written != buflen) {
avrdude_message(MSG_INFO, "%s: ser_send(): size/send mismatch\n",
progname);
return -1;
}
return 0;
}
static int ser_recv(union filedescriptor *fd, unsigned char * buf, size_t buflen)
{
unsigned char c;
unsigned char * p = buf;
DWORD read;
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort == INVALID_HANDLE_VALUE) {
fprintf(stderr, "%s: ser_read(): port not open\n",
progname);
exit(1);
}
serial_w32SetTimeOut(hComPort, serial_recv_timeout);
if (!ReadFile(hComPort, buf, buflen, &read, NULL)) {
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL );
fprintf(stderr, "%s: ser_recv(): read error: %s\n",
progname, (char*)lpMsgBuf);
LocalFree( lpMsgBuf );
exit(1);
}
p = buf;
if (verbose > 3)
{
fprintf(stderr, "%s: Recv: ", progname);
while (read) {
c = *p;
if (isprint(c)) {
fprintf(stderr, "%c ", c);
}
else {
fprintf(stderr, ". ");
}
fprintf(stderr, "[%02x] ", c);
p++;
read--;
}
fprintf(stderr, "\n");
}
return 0;
}
static int ser_send(union filedescriptor *fd, unsigned char * buf, size_t buflen)
{
size_t len = buflen;
unsigned char c='\0';
DWORD written;
unsigned char * b = buf;
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort == INVALID_HANDLE_VALUE) {
fprintf(stderr, "%s: ser_send(): port not open\n",
progname);
exit(1);
}
if (!len)
return 0;
if (verbose > 3)
{
fprintf(stderr, "%s: Send: ", progname);
while (len) {
c = *b;
if (isprint(c)) {
fprintf(stderr, "%c ", c);
}
else {
fprintf(stderr, ". ");
}
fprintf(stderr, "[%02x] ", c);
b++;
len--;
}
fprintf(stderr, "\n");
}
serial_w32SetTimeOut(hComPort,500);
if (!WriteFile (hComPort, buf, buflen, &written, NULL)) {
fprintf(stderr, "%s: ser_send(): write error: %s\n",
progname, "sorry no info avail"); // TODO
exit(1);
}
if (written != buflen) {
fprintf(stderr, "%s: ser_send(): size/send mismatch\n",
progname);
exit(1);
}
return 0;
}
static int ser_drain(union filedescriptor *fd, int display)
{
// int rc;
unsigned char buf[10];
BOOL readres;
DWORD read;
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort == INVALID_HANDLE_VALUE) {
avrdude_message(MSG_INFO, "%s: ser_drain(): port not open\n",
progname);
return -1;
}
serial_w32SetTimeOut(hComPort,250);
if (display) {
avrdude_message(MSG_INFO, "drain>");
}
while (1) {
readres=ReadFile(hComPort, buf, 1, &read, NULL);
if (!readres) {
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL );
avrdude_message(MSG_INFO, "%s: ser_drain(): read error: %s\n",
progname, (char*)lpMsgBuf);
LocalFree( lpMsgBuf );
return -1;
}
if (read) { // data avail
if (display) avrdude_message(MSG_INFO, "%02x ", buf[0]);
}
else { // no more data
if (display) avrdude_message(MSG_INFO, "<drain\n");
break;
}
} // while
return 0;
}
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;
HANDLE hComPort=(HANDLE)fd->pfd;
if (hComPort == INVALID_HANDLE_VALUE) {
avrdude_message(MSG_INFO, "%s: ser_read(): port not open\n",
progname);
return -1;
}
serial_w32SetTimeOut(hComPort, serial_recv_timeout);
if (!ReadFile(hComPort, buf, buflen, &read, NULL)) {
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL );
avrdude_message(MSG_INFO, "%s: ser_recv(): read error: %s\n",
progname, (char*)lpMsgBuf);
LocalFree( lpMsgBuf );
return -1;
}
/* time out detected */
if (read == 0) {
avrdude_message(MSG_NOTICE2, "%s: ser_recv(): programmer is not responding\n",
progname);
return -1;
}
p = buf;
if (verbose > 3)
{
avrdude_message(MSG_TRACE, "%s: Recv: ", progname);
while (read) {
c = *p;
if (isprint(c)) {
avrdude_message(MSG_TRACE, "%c ", c);
}
else {
avrdude_message(MSG_TRACE, ". ");
}
avrdude_message(MSG_TRACE, "[%02x] ", c);
p++;
read--;
}
avrdude_message(MSG_INFO, "\n");
}
return 0;
}
static int ser_open(char * port, union pinfo pinfo, union filedescriptor *fdp)
{
LPVOID lpMsgBuf;
HANDLE hComPort=INVALID_HANDLE_VALUE;
char *newname = 0;
/*
* If the port is of the form "net:<host>:<port>", then
* handle it as a TCP connection to a terminal server.
*/
if (strncmp(port, "net:", strlen("net:")) == 0) {
#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) {
// prepend "\\\\.\\" to name, required for port # >= 10
newname = malloc(strlen("\\\\.\\") + strlen(port) + 1);
if (newname == 0) {
avrdude_message(MSG_INFO, "%s: ser_open(): out of memory\n",
progname);
exit(1);
}
strcpy(newname, "\\\\.\\");
strcat(newname, port);
port = newname;
}
hComPort = CreateFile(port, GENERIC_READ | GENERIC_WRITE, 0, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hComPort == INVALID_HANDLE_VALUE) {
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL);
avrdude_message(MSG_INFO, "%s: ser_open(): can't open device \"%s\": %s\n",
progname, port, (char*)lpMsgBuf);
LocalFree( lpMsgBuf );
return -1;
}
if (!SetupComm(hComPort, W32SERBUFSIZE, W32SERBUFSIZE))
{
CloseHandle(hComPort);
avrdude_message(MSG_INFO, "%s: ser_open(): can't set buffers for \"%s\"\n",
progname, port);
return -1;
}
fdp->pfd = (void *)hComPort;
if (ser_setspeed(fdp, pinfo.baud) != 0)
{
CloseHandle(hComPort);
avrdude_message(MSG_INFO, "%s: ser_open(): can't set com-state for \"%s\"\n",
progname, port);
return -1;
}
if (!serial_w32SetTimeOut(hComPort,0))
{
CloseHandle(hComPort);
avrdude_message(MSG_INFO, "%s: ser_open(): can't set initial timeout for \"%s\"\n",
progname, port);
return -1;
}
if (newname != 0) {
free(newname);
}
return 0;
}
