mirror of
https://github.com/ep00ch/lwip-contrib-mac.git
synced 2024-09-14 03:56:41 +00:00
win32 sio.c: added missing function sio_tryread(), fixed COM port usage (now it works for me to connect lwIP from win32 to my AVR target using SLIP)
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@ -36,6 +36,12 @@
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#include <stdarg.h>
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#include <stdarg.h>
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#include <windows.h>
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#include <windows.h>
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#include "lwipcfg_msvc.h"
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/** When 1, use COM ports, when 0, use named pipes (for simulation). */
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#ifndef SIO_USE_COMPORT
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#define SIO_USE_COMPORT 1
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#endif
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/** If SIO_USE_COMPORT==1, use COMx, if 0, use a pipe (default) */
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/** If SIO_USE_COMPORT==1, use COMx, if 0, use a pipe (default) */
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#if SIO_USE_COMPORT
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#if SIO_USE_COMPORT
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@ -44,7 +50,22 @@
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#define SIO_DEVICENAME "\\\\.\\pipe\\lwip"
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#define SIO_DEVICENAME "\\\\.\\pipe\\lwip"
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#endif
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#endif
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static int sio_abort=0;
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#if SIO_USE_COMPORT
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#ifndef SIO_COMPORT_SPEED
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#define SIO_COMPORT_SPEED 115200
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#endif
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#ifndef SIO_COMPORT_BYTESIZE
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#define SIO_COMPORT_BYTESIZE 8
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#endif
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#ifndef SIO_COMPORT_STOPBITS
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#define SIO_COMPORT_STOPBITS 0 /* ONESTOPBIT */
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#endif
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#ifndef SIO_COMPORT_PARITY
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#define SIO_COMPORT_PARITY 0 /* NOPARITY */
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#endif
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#endif /* SIO_USE_COMPORT */
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static int sio_abort = 0;
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/* \\.\pipe\lwip0 */
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/* \\.\pipe\lwip0 */
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/* pppd /dev/ttyS0 logfile mylog debug nocrtscts local noauth noccp ms-dns 212.27.54.252 192.168.0.4:192.168.0.5
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/* pppd /dev/ttyS0 logfile mylog debug nocrtscts local noauth noccp ms-dns 212.27.54.252 192.168.0.4:192.168.0.5
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@ -66,19 +87,6 @@ sio_setup(HANDLE fd)
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{
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{
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COMMTIMEOUTS cto;
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COMMTIMEOUTS cto;
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DCB dcb;
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DCB dcb;
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memset(&cto, 0, sizeof(cto));
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if(!GetCommTimeouts(fd, &cto))
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{
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return FALSE;
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}
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/* change read timeout, leave write timeout as it is */
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cto.ReadIntervalTimeout = 1;
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cto.ReadTotalTimeoutMultiplier = 0;
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cto.ReadTotalTimeoutConstant = 100; /* 10 ms */
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if(!SetCommTimeouts(fd, &cto)) {
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return FALSE;
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}
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/* set up baudrate and other communication settings */
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/* set up baudrate and other communication settings */
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memset(&dcb, 0, sizeof(dcb));
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memset(&dcb, 0, sizeof(dcb));
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@ -86,25 +94,38 @@ sio_setup(HANDLE fd)
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if (!GetCommState(fd, &dcb)) {
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if (!GetCommState(fd, &dcb)) {
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return FALSE;
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return FALSE;
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}
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}
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/* Set the new data */
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/* Set the new data */
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dcb.BaudRate = 115200;
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dcb.BaudRate = SIO_COMPORT_SPEED;
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dcb.ByteSize = 8;
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dcb.ByteSize = SIO_COMPORT_BYTESIZE;
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dcb.StopBits = 0; /* ONESTOPBIT */
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dcb.StopBits = 0; /* ONESTOPBIT */
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dcb.Parity = 0; /* NOPARITY */
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dcb.Parity = 0; /* NOPARITY */
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dcb.fParity = 0; /* parity is not used */
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dcb.fParity = 0; /* parity is not used */
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/* do not use flow control */
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/* do not use flow control */
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dcb.fOutxDsrFlow = dcb.fDtrControl = 0;
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/*dcb.fOutxDsrFlow = dcb.fDtrControl = 0;
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dcb.fOutxCtsFlow = dcb.fRtsControl = 0;
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dcb.fOutxCtsFlow = dcb.fRtsControl = 0;
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dcb.fErrorChar = dcb.fNull = 0;
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dcb.fErrorChar = dcb.fNull = 0;
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dcb.fInX = dcb.fOutX = 0;
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dcb.fInX = dcb.fOutX = 0;
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dcb.XonChar = dcb.XoffChar = 0;
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dcb.XonChar = dcb.XoffChar = 0;
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dcb.XonLim = dcb.XoffLim = 100;
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dcb.XonLim = dcb.XoffLim = 100;*/
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/* Set the new DCB structure */
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/* Set the new DCB structure */
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if (!SetCommState(fd, &dcb)) {
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if (!SetCommState(fd, &dcb)) {
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return FALSE;
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return FALSE;
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}
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}
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memset(&cto, 0, sizeof(cto));
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if(!GetCommTimeouts(fd, &cto))
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{
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return FALSE;
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}
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/* change read timeout, leave write timeout as it is */
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cto.ReadIntervalTimeout = 1;
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cto.ReadTotalTimeoutMultiplier = 0;
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cto.ReadTotalTimeoutConstant = 1;// 1ms //100; /* 10 ms */
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if(!SetCommTimeouts(fd, &cto)) {
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return FALSE;
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}
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return TRUE;
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return TRUE;
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}
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}
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#endif /* SIO_USE_COMPORT */
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#endif /* SIO_USE_COMPORT */
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@ -120,24 +141,48 @@ sio_fd_t sio_open(u8_t devnum)
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HANDLE fileHandle = INVALID_HANDLE_VALUE;
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HANDLE fileHandle = INVALID_HANDLE_VALUE;
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CHAR fileName[256];
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CHAR fileName[256];
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu)\n", (DWORD)devnum));
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu)\n", (DWORD)devnum));
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#if SIO_USE_COMPORT
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_snprintf(fileName, 255, SIO_DEVICENAME"%lu", (DWORD)(devnum));
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_snprintf(fileName, 255, SIO_DEVICENAME"%lu", (DWORD)(devnum));
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fileHandle = CreateFile(fileName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
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#else /* SIO_USE_COMPORT */
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_snprintf(fileName, 255, SIO_DEVICENAME"%lu", (DWORD)(devnum & ~1));
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if ((devnum & 1) == 0) {
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fileHandle = CreateNamedPipe(fileName, PIPE_ACCESS_DUPLEX, PIPE_TYPE_BYTE | PIPE_NOWAIT,
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PIPE_UNLIMITED_INSTANCES, 102400, 102400, 100, NULL);
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} else
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#endif /* SIO_USE_COMPORT */
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{
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fileHandle = CreateFile(fileName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
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}
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if (fileHandle != INVALID_HANDLE_VALUE) {
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if (fileHandle != INVALID_HANDLE_VALUE) {
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sio_abort = 0;
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sio_abort = 0;
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FlushFileBuffers(fileHandle);
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#if !SIO_USE_COMPORT
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if (devnum & 1) {
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DWORD mode = PIPE_NOWAIT;
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if (!SetNamedPipeHandleState(fileHandle, &mode, NULL, NULL)) {
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu): SetNamedPipeHandleState failed. GetLastError() returns %d\n",
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(DWORD)devnum, GetLastError()));
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}
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} else
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#endif /* !SIO_USE_COMPORT */
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{
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FlushFileBuffers(fileHandle);
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}
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#if SIO_USE_COMPORT
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#if SIO_USE_COMPORT
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if(!sio_setup(fileHandle)) {
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if(!sio_setup(fileHandle)) {
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu): sio_setup. GetLastError() returns %d\n",
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(DWORD)devnum, GetLastError()));
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CloseHandle(fileHandle);
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CloseHandle(fileHandle);
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu): sio_setup failed. GetLastError() returns %d\n",
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(DWORD)devnum, GetLastError()));
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return NULL;
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return NULL;
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}
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}
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#endif /* SIO_USE_COMPORT */
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#endif /* SIO_USE_COMPORT */
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open: file \"%s\" successfully opened.\n", fileName));
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open: file \"%s\" successfully opened.\n", fileName));
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printf("sio_open: file \"%s\" (%lu) successfully opened: 0x%08x\n", fileName, devnum, (u32_t)fileHandle);
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return (sio_fd_t)(fileHandle);
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return (sio_fd_t)(fileHandle);
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}
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}
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu) failed. GetLastError() returns %d\n",
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LWIP_DEBUGF(SIO_DEBUG, ("sio_open(%lu) failed. GetLastError() returns %d\n",
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(DWORD)devnum, GetLastError()));
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(DWORD)devnum, GetLastError()));
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printf("sio_open(%lu) failed. GetLastError() returns %d\n",
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(DWORD)devnum, GetLastError());
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return NULL;
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return NULL;
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}
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}
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@ -153,8 +198,8 @@ void sio_send(u8_t c, sio_fd_t fd)
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{
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{
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DWORD dwNbBytesWritten = 0;
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DWORD dwNbBytesWritten = 0;
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LWIP_DEBUGF(SIO_DEBUG, ("sio_send(%lu)\n", (DWORD)c));
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LWIP_DEBUGF(SIO_DEBUG, ("sio_send(%lu)\n", (DWORD)c));
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while ((!WriteFile((HANDLE)(fd), &c, 1, &dwNbBytesWritten, NULL)) || (dwNbBytesWritten < 1));
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while ((!WriteFile((HANDLE)(fd), &c, 1, &dwNbBytesWritten, NULL)) || (dwNbBytesWritten < 1)) {
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return;
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}
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}
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}
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/**
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/**
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@ -195,6 +240,26 @@ u32_t sio_read(sio_fd_t fd, u8_t* data, u32_t len)
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return dwNbBytesReadden;
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return dwNbBytesReadden;
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}
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}
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/**
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* Tries to read from the serial device. Same as sio_read but returns
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* immediately if no data is available and never blocks.
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*
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* @param fd serial device handle
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* @param data pointer to data buffer for receiving
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* @param len maximum length (in bytes) of data to receive
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* @return number of bytes actually received
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*/
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u32_t sio_tryread(sio_fd_t fd, u8_t* data, u32_t len)
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{
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/* @todo: implement non-blocking read */
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BOOL ret;
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DWORD dwNbBytesReadden = 0;
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LWIP_DEBUGF(SIO_DEBUG, ("sio_read()...\n"));
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ret = ReadFile((HANDLE)(fd), data, len, &dwNbBytesReadden, NULL);
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LWIP_DEBUGF(SIO_DEBUG, ("sio_read()=%lu bytes -> \n", dwNbBytesReadden, ret));
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return dwNbBytesReadden;
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}
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/**
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/**
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* Writes to the serial device.
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* Writes to the serial device.
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*
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*
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