Documented the class, some small changes
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2348 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
parent
005069f4e1
commit
7cf3b2f4b1
|
|
@ -18,8 +18,23 @@
|
|||
#include <unistd.h>
|
||||
#include <termios.h>
|
||||
|
||||
#define SERIAL_DIR "/dev/ports"
|
||||
/* The directory where the serial driver publishes its devices */
|
||||
#define SERIAL_DIR "/dev/ports"
|
||||
|
||||
|
||||
/* Creates and initializes a BSerialPort object, */
|
||||
/* query the driver, and builds a list of available */
|
||||
/* serial ports. */
|
||||
|
||||
/* The BSerialPort object is initialized to these */
|
||||
/* values: */
|
||||
/* 19200 BPS, */
|
||||
/* 8 Data Bits, */
|
||||
/* 1 Stop Bit, */
|
||||
/* No Parity, */
|
||||
/* Hardware Flow Control, */
|
||||
/* Infinite Timeout */
|
||||
/* and Blocking mode. */
|
||||
BSerialPort::BSerialPort()
|
||||
: ffd(-1),
|
||||
fBaudRate(B_19200_BPS),
|
||||
|
|
@ -35,18 +50,20 @@ BSerialPort::BSerialPort()
|
|||
}
|
||||
|
||||
|
||||
/* Closes the port, if it's open, and deletes the devices list */
|
||||
BSerialPort::~BSerialPort()
|
||||
{
|
||||
if (ffd > 0)
|
||||
close(ffd);
|
||||
|
||||
for (int32 count = _fDevices->CountItems() - 1; count >= 0; count--)
|
||||
free(_fDevices->ItemAt(count));
|
||||
free(_fDevices->RemoveItem(count));
|
||||
|
||||
delete _fDevices;
|
||||
}
|
||||
|
||||
|
||||
/* Opens a serial port. @param a valid port name */
|
||||
status_t
|
||||
BSerialPort::Open(const char *portName)
|
||||
{
|
||||
|
|
@ -67,6 +84,7 @@ BSerialPort::Open(const char *portName)
|
|||
}
|
||||
|
||||
|
||||
/* Closes the port */
|
||||
void
|
||||
BSerialPort::Close(void)
|
||||
{
|
||||
|
|
@ -76,6 +94,9 @@ BSerialPort::Close(void)
|
|||
}
|
||||
|
||||
|
||||
/* Read some data from the serial port. */
|
||||
/* @param the buffer where to transfer the data */
|
||||
/* @param how many bytes to read */
|
||||
ssize_t
|
||||
BSerialPort::Read(void *buf, size_t count)
|
||||
{
|
||||
|
|
@ -86,6 +107,9 @@ BSerialPort::Read(void *buf, size_t count)
|
|||
}
|
||||
|
||||
|
||||
/* Write some data to the serial port. */
|
||||
/* @param the buffer from which transfer the data */
|
||||
/* @param how many bytes to write */
|
||||
ssize_t
|
||||
BSerialPort::Write(const void *buf, size_t count)
|
||||
{
|
||||
|
|
@ -96,6 +120,7 @@ BSerialPort::Write(const void *buf, size_t count)
|
|||
}
|
||||
|
||||
|
||||
/* Set blocking mode */
|
||||
void
|
||||
BSerialPort::SetBlocking(bool Blocking)
|
||||
{
|
||||
|
|
@ -104,6 +129,8 @@ BSerialPort::SetBlocking(bool Blocking)
|
|||
}
|
||||
|
||||
|
||||
/* Set the timeout for the port */
|
||||
/* Valid values: B_INFINITE_TIMEOUT or any value between 0 and 25000000 */
|
||||
status_t
|
||||
BSerialPort::SetTimeout(bigtime_t microSeconds)
|
||||
{
|
||||
|
|
@ -119,6 +146,7 @@ BSerialPort::SetTimeout(bigtime_t microSeconds)
|
|||
}
|
||||
|
||||
|
||||
/* Set the data rate (Baud rate) for the port */
|
||||
status_t
|
||||
BSerialPort::SetDataRate(data_rate bitsPerSecond)
|
||||
{
|
||||
|
|
@ -128,6 +156,7 @@ BSerialPort::SetDataRate(data_rate bitsPerSecond)
|
|||
}
|
||||
|
||||
|
||||
/* Get the data rate (Baud Rate) */
|
||||
data_rate
|
||||
BSerialPort::DataRate(void)
|
||||
{
|
||||
|
|
@ -135,6 +164,7 @@ BSerialPort::DataRate(void)
|
|||
}
|
||||
|
||||
|
||||
/* Set the data bits (7 or 8) */
|
||||
void
|
||||
BSerialPort::SetDataBits(data_bits numBits)
|
||||
{
|
||||
|
|
@ -143,6 +173,7 @@ BSerialPort::SetDataBits(data_bits numBits)
|
|||
}
|
||||
|
||||
|
||||
/* Get the data bits */
|
||||
data_bits
|
||||
BSerialPort::DataBits(void)
|
||||
{
|
||||
|
|
@ -150,6 +181,7 @@ BSerialPort::DataBits(void)
|
|||
}
|
||||
|
||||
|
||||
/* Set the stop bits (1 or 2) */
|
||||
void
|
||||
BSerialPort::SetStopBits(stop_bits numBits)
|
||||
{
|
||||
|
|
@ -158,6 +190,7 @@ BSerialPort::SetStopBits(stop_bits numBits)
|
|||
}
|
||||
|
||||
|
||||
/* Get the stop bits */
|
||||
stop_bits
|
||||
BSerialPort::StopBits(void)
|
||||
{
|
||||
|
|
@ -165,6 +198,7 @@ BSerialPort::StopBits(void)
|
|||
}
|
||||
|
||||
|
||||
/* Set the parity mode (ODD, PAIR, or NONE) */
|
||||
void
|
||||
BSerialPort::SetParityMode(parity_mode which)
|
||||
{
|
||||
|
|
@ -173,6 +207,7 @@ BSerialPort::SetParityMode(parity_mode which)
|
|||
}
|
||||
|
||||
|
||||
/* Get the parity mode */
|
||||
parity_mode
|
||||
BSerialPort::ParityMode(void)
|
||||
{
|
||||
|
|
@ -180,6 +215,7 @@ BSerialPort::ParityMode(void)
|
|||
}
|
||||
|
||||
|
||||
/* Clear the input buffer */
|
||||
void
|
||||
BSerialPort::ClearInput(void)
|
||||
{
|
||||
|
|
@ -187,6 +223,7 @@ BSerialPort::ClearInput(void)
|
|||
}
|
||||
|
||||
|
||||
/* Clear the output buffer */
|
||||
void
|
||||
BSerialPort::ClearOutput(void)
|
||||
{
|
||||
|
|
@ -194,6 +231,7 @@ BSerialPort::ClearOutput(void)
|
|||
}
|
||||
|
||||
|
||||
/* Set the flow control (HARDWARE, SOFTWARE, or NONE) */
|
||||
void
|
||||
BSerialPort::SetFlowControl(uint32 method)
|
||||
{
|
||||
|
|
@ -202,6 +240,7 @@ BSerialPort::SetFlowControl(uint32 method)
|
|||
}
|
||||
|
||||
|
||||
/* Get the flow control */
|
||||
uint32
|
||||
BSerialPort::FlowControl(void)
|
||||
{
|
||||
|
|
@ -209,6 +248,7 @@ BSerialPort::FlowControl(void)
|
|||
}
|
||||
|
||||
|
||||
/* Set the DTR */
|
||||
status_t
|
||||
BSerialPort::SetDTR(bool asserted)
|
||||
{
|
||||
|
|
@ -218,6 +258,7 @@ BSerialPort::SetDTR(bool asserted)
|
|||
}
|
||||
|
||||
|
||||
/* Set the RTS status */
|
||||
status_t
|
||||
BSerialPort::SetRTS(bool asserted)
|
||||
{
|
||||
|
|
@ -227,6 +268,8 @@ BSerialPort::SetRTS(bool asserted)
|
|||
}
|
||||
|
||||
|
||||
/* See how many chars are queued on the serial port, */
|
||||
/* waiting to be read */
|
||||
status_t
|
||||
BSerialPort::NumCharsAvailable(int32 *wait_until_this_many)
|
||||
{
|
||||
|
|
@ -234,10 +277,12 @@ BSerialPort::NumCharsAvailable(int32 *wait_until_this_many)
|
|||
if (ffd < 0)
|
||||
return B_ERROR;
|
||||
|
||||
//TODO: Implement
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
/* See if CTS is set */
|
||||
bool
|
||||
BSerialPort::IsCTS(void)
|
||||
{
|
||||
|
|
@ -250,6 +295,7 @@ BSerialPort::IsCTS(void)
|
|||
}
|
||||
|
||||
|
||||
/* See if DSR is set */
|
||||
bool
|
||||
BSerialPort::IsDSR(void)
|
||||
{
|
||||
|
|
@ -262,6 +308,7 @@ BSerialPort::IsDSR(void)
|
|||
}
|
||||
|
||||
|
||||
/* See if RI is set */
|
||||
bool
|
||||
BSerialPort::IsRI(void)
|
||||
{
|
||||
|
|
@ -274,6 +321,7 @@ BSerialPort::IsRI(void)
|
|||
}
|
||||
|
||||
|
||||
/* See if DCD is set */
|
||||
bool
|
||||
BSerialPort::IsDCD(void)
|
||||
{
|
||||
|
|
@ -286,16 +334,21 @@ BSerialPort::IsDCD(void)
|
|||
}
|
||||
|
||||
|
||||
/* Wait until there's something to read from the serial port. */
|
||||
/* If no data is ready, it will always block, ignoring the */
|
||||
/* value of SetBlocking(); however, it respects the timeout */
|
||||
/* set by SetTimeout(). */
|
||||
ssize_t
|
||||
BSerialPort::WaitForInput(void)
|
||||
{
|
||||
int size;
|
||||
int err = ioctl(ffd, TCWAITEVENT, &size, sizeof(size));
|
||||
ssize_t size;
|
||||
int err = ioctl(ffd, TCWAITEVENT, &size, sizeof size);
|
||||
|
||||
return (err < B_OK) ? errno : size;
|
||||
}
|
||||
|
||||
|
||||
/* Returns the number of available Serial Ports. */
|
||||
int32
|
||||
BSerialPort::CountDevices()
|
||||
{
|
||||
|
|
@ -308,6 +361,11 @@ BSerialPort::CountDevices()
|
|||
}
|
||||
|
||||
|
||||
/* Get the device name for the given device.*/
|
||||
/* The first parameter is the number of the device */
|
||||
/* you want to know the name, the second is the buffer */
|
||||
/* where you want to store the name, and the third is */
|
||||
/* the length of that buffer. */
|
||||
status_t
|
||||
BSerialPort::GetDeviceName(int32 n, char *name, size_t bufSize)
|
||||
{
|
||||
|
|
@ -325,8 +383,10 @@ BSerialPort::GetDeviceName(int32 n, char *name, size_t bufSize)
|
|||
}
|
||||
|
||||
|
||||
// Private or Reserved
|
||||
/* Private or Reserved */
|
||||
|
||||
/* Query the serial driver about the available devices, */
|
||||
/* and build a list of them. */
|
||||
void
|
||||
BSerialPort::ScanDevices()
|
||||
{
|
||||
|
|
@ -336,10 +396,8 @@ BSerialPort::ScanDevices()
|
|||
|
||||
//First, we empty the list
|
||||
for (int32 count = _fDevices->CountItems() - 1; count >= 0; count--)
|
||||
free(_fDevices->ItemAt(count));
|
||||
|
||||
_fDevices->MakeEmpty();
|
||||
|
||||
free(_fDevices->RemoveItem(count));
|
||||
|
||||
//Then, add the devices to the list
|
||||
while (dir.GetNextEntry(&entry) == B_OK)
|
||||
{
|
||||
|
|
@ -349,6 +407,9 @@ BSerialPort::ScanDevices()
|
|||
}
|
||||
|
||||
|
||||
/* Send the options to the serial driver. */
|
||||
/* Returns B_OK if all goes fine, an error code */
|
||||
/* if something goes wrong. */
|
||||
int
|
||||
BSerialPort::DriverControl()
|
||||
{
|
||||
|
|
@ -418,7 +479,7 @@ BSerialPort::DriverControl()
|
|||
}
|
||||
|
||||
|
||||
//FBC
|
||||
/* These functions are here to maintain Binary Compatibility */
|
||||
void BSerialPort::_ReservedSerialPort1() {}
|
||||
void BSerialPort::_ReservedSerialPort2() {}
|
||||
void BSerialPort::_ReservedSerialPort3() {}
|
||||
|
|
|
|||
Loading…
Reference in New Issue