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Adds Direct port name Serial API (#956)

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This commit is contained in:
Thad House
2018-03-05 19:41:09 -08:00
committed by Peter Johnson
parent 5175829bab
commit 14228d82f3
8 changed files with 126 additions and 1 deletions
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51
wpilibc/src/main/native/cpp/SerialPort.cpp
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@@ -61,6 +61,57 @@ SerialPort::SerialPort(int baudRate, Port port, int dataBits,
HAL_Report(HALUsageReporting::kResourceType_SerialPort, 0);
}
/**
* Create an instance of a Serial Port class.
*
* @param baudRate The baud rate to configure the serial port.
* @param port The physical port to use
* @param portName The direct port name to use
* @param dataBits The number of data bits per transfer. Valid values are
* between 5 and 8 bits.
* @param parity Select the type of parity checking to use.
* @param stopBits The number of stop bits to use as defined by the enum
* StopBits.
*/
SerialPort::SerialPort(int baudRate, llvm::StringRef portName, Port port,
int dataBits, SerialPort::Parity parity,
SerialPort::StopBits stopBits) {
int32_t status = 0;
m_port = port;
llvm::SmallVector<char, 64> buf;
const char* portNameC = portName.c_str(buf);
HAL_InitializeSerialPortDirect(static_cast<HAL_SerialPort>(port), portNameC,
&status);
wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
// Don't continue if initialization failed
if (status < 0) return;
HAL_SetSerialBaudRate(static_cast<HAL_SerialPort>(port), baudRate, &status);
wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
HAL_SetSerialDataBits(static_cast<HAL_SerialPort>(port), dataBits, &status);
wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
HAL_SetSerialParity(static_cast<HAL_SerialPort>(port), parity, &status);
wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
HAL_SetSerialStopBits(static_cast<HAL_SerialPort>(port), stopBits, &status);
wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
// Set the default timeout to 5 seconds.
SetTimeout(5.0);
// Don't wait until the buffer is full to transmit.
SetWriteBufferMode(kFlushOnAccess);
EnableTermination();
// viInstallHandler(m_portHandle, VI_EVENT_IO_COMPLETION, ioCompleteHandler,
// this);
// viEnableEvent(m_portHandle, VI_EVENT_IO_COMPLETION, VI_HNDLR, VI_NULL);
HAL_Report(HALUsageReporting::kResourceType_SerialPort, 0);
}
/**
* Destructor.
*/