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channels/serial: partial EPSON TM-T88III fix

This commit is contained in:
Marc-André Moreau 2014-03-26 17:54:36 -04:00
parent 8e2baab504
commit 021776e84b
3 changed files with 47 additions and 26 deletions
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23
channels/serial/client/serial_main.c
View File

@ -194,6 +194,7 @@ static void serial_process_irp_read(SERIAL_DEVICE* serial, IRP* irp)
static void serial_process_irp_write(SERIAL_DEVICE* serial, IRP* irp)
{
int status;
UINT32 Length;
UINT64 Offset;
SERIAL_TTY* tty = serial->tty;
@ -208,22 +209,30 @@ static void serial_process_irp_write(SERIAL_DEVICE* serial, IRP* irp)
Length = 0;
DEBUG_WARN("tty not valid.");
Stream_Write_UINT32(irp->output, Length); /* Length (4 bytes) */
Stream_Write_UINT8(irp->output, 0); /* Padding (1 byte) */
irp->Complete(irp);
return;
}
else if (!serial_tty_write(tty, Stream_Pointer(irp->input), Length))
status = serial_tty_write(tty, Stream_Pointer(irp->input), Length);
if (status < 0)
{
irp->IoStatus = STATUS_UNSUCCESSFUL;
Length = 0;
DEBUG_WARN("write %s(%d) failed.", serial->path, tty->id);
}
else
{
DEBUG_SVC("write %llu-%llu to %s(%d).", Offset, Offset + Length, serial->path, tty->id);
printf("serial_tty_write failure: status: %d, errno: %d\n", status, errno);
Stream_Write_UINT32(irp->output, Length); /* Length (4 bytes) */
Stream_Write_UINT8(irp->output, 0); /* Padding (1 byte) */
irp->Complete(irp);
return;
}
Stream_Write_UINT32(irp->output, Length); /* Length (4 bytes) */
Stream_Write_UINT8(irp->output, 0); /* Padding (1 byte) */
irp->Complete(irp);
}

48
channels/serial/client/serial_tty.c
View File

@ -91,8 +91,29 @@ UINT32 serial_tty_control(SERIAL_TTY* tty, UINT32 IoControlCode, wStream* input,
UINT32 begPos, endPos;
UINT32 OutputBufferLength;
UINT32 status = STATUS_SUCCESS;
UINT32 IoCtlDeviceType;
UINT32 IoCtlFunction;
UINT32 IoCtlMethod;
UINT32 IoCtlAccess;
DEBUG_SVC("in");
IoCtlMethod = (IoControlCode & 0x3);
IoCtlFunction = ((IoControlCode >> 2) & 0xFFF);
IoCtlAccess = ((IoControlCode >> 14) & 0x3);
IoCtlDeviceType = ((IoControlCode >> 16) & 0xFFFF);
/**
* FILE_DEVICE_SERIAL_PORT 0x0000001B
* FILE_DEVICE_UNKNOWN 0x00000022
*/
printf("IoControlCode: DeviceType: 0x%04X Access: 0x%02X Function: 0x%04X Method: 0x%02X\n",
IoCtlDeviceType, IoCtlAccess, IoCtlFunction, IoCtlMethod);
if (IoCtlDeviceType == 0x00000022)
{
IoControlCode &= 0xFFFF;
IoControlCode |= (0x0000001B << 16);
}
Stream_Seek_UINT32(output); /* OutputBufferLength (4 bytes) */
begPos = (UINT32) Stream_GetPosition(output);
@ -389,8 +410,6 @@ BOOL serial_tty_read(SERIAL_TTY* tty, BYTE* buffer, UINT32* Length)
ssize_t status;
long timeout = 90;
DEBUG_SVC("in");
/* Set timeouts kind of like the windows serial timeout parameters. Multiply timeout
with requested read size */
if (tty->read_total_timeout_multiplier | tty->read_total_timeout_constant)
@ -451,20 +470,21 @@ BOOL serial_tty_read(SERIAL_TTY* tty, BYTE* buffer, UINT32* Length)
return TRUE;
}
BOOL serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length)
int serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length)
{
ssize_t status;
ssize_t status = 0;
UINT32 event_txempty = Length;
DEBUG_SVC("in");
while (Length > 0)
{
status = write(tty->fd, buffer, Length);
if (status < 0)
{
return FALSE;
if (errno == EAGAIN)
status = 0;
else
return status;
}
Length -= status;
@ -473,7 +493,7 @@ BOOL serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length)
tty->event_txempty = event_txempty;
return TRUE;
return status;
}
/**
@ -485,8 +505,6 @@ BOOL serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length)
*/
void serial_tty_free(SERIAL_TTY* tty)
{
DEBUG_SVC("in");
if (!tty)
return;
@ -588,8 +606,6 @@ BOOL serial_tty_get_event(SERIAL_TTY* tty, UINT32* result)
int bytes;
BOOL status = FALSE;
DEBUG_SVC("in");
*result = 0;
#ifdef TIOCINQ
@ -840,8 +856,8 @@ static void tty_set_termios(SERIAL_TTY* tty)
speed_t speed;
struct termios* ptermios;
DEBUG_SVC("in");
ptermios = tty->ptermios;
switch (tty->baud_rate)
{
#ifdef B75
@ -1033,8 +1049,6 @@ static UINT32 tty_write_data(SERIAL_TTY* tty, BYTE* data, int len)
{
ssize_t status;
DEBUG_SVC("in");
status = write(tty->fd, data, len);
if (status < 0)
@ -1047,8 +1061,6 @@ static UINT32 tty_write_data(SERIAL_TTY* tty, BYTE* data, int len)
static int tty_get_error_status()
{
DEBUG_SVC("in errno %d", errno);
switch (errno)
{
case EACCES:

2
channels/serial/client/serial_tty.h
View File

@ -72,7 +72,7 @@ SERIAL_TTY* serial_tty_new(const char* path, UINT32 id);
void serial_tty_free(SERIAL_TTY* tty);
BOOL serial_tty_read(SERIAL_TTY* tty, BYTE* buffer, UINT32* Length);
BOOL serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length);
int serial_tty_write(SERIAL_TTY* tty, BYTE* buffer, UINT32 Length);
UINT32 serial_tty_control(SERIAL_TTY* tty, UINT32 IoControlCode, wStream* input, wStream* output, UINT32* abort_io);
BOOL serial_tty_get_event(SERIAL_TTY* tty, UINT32* result);