mirror of
https://github.com/wpilibsuite/allwpilib
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151 lines
5.0 KiB
C++
151 lines
5.0 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "HAL/SerialPort.h"
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#include "visa/visa.h"
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static uint32_t m_resourceManagerHandle;
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static uint32_t m_portHandle[2];
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extern "C" {
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void HAL_InitializeSerialPort(int32_t port, int32_t* status) {
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char const* portName;
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if (m_resourceManagerHandle == 0)
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viOpenDefaultRM(reinterpret_cast<ViSession*>(&m_resourceManagerHandle));
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if (port == 0)
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portName = "ASRL1::INSTR";
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else if (port == 1)
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portName = "ASRL2::INSTR";
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else
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portName = "ASRL3::INSTR";
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*status =
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viOpen(m_resourceManagerHandle, const_cast<char*>(portName), VI_NULL,
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VI_NULL, reinterpret_cast<ViSession*>(&m_portHandle[port]));
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialBaudRate(int32_t port, int32_t baud, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_BAUD, baud);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialDataBits(int32_t port, int32_t bits, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_DATA_BITS, bits);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialParity(int32_t port, int32_t parity, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_PARITY, parity);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialStopBits(int32_t port, int32_t stopBits, int32_t* status) {
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*status =
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viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_STOP_BITS, stopBits);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialWriteMode(int32_t port, int32_t mode, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_WR_BUF_OPER_MODE, mode);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialFlowControl(int32_t port, int32_t flow, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_FLOW_CNTRL, flow);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialTimeout(int32_t port, double timeout, int32_t* status) {
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_TMO_VALUE,
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static_cast<uint32_t>(timeout * 1e3));
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if (*status > 0) *status = 0;
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}
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void HAL_EnableSerialTermination(int32_t port, char terminator,
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int32_t* status) {
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viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR_EN, VI_TRUE);
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viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR, terminator);
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*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_END_IN,
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VI_ASRL_END_TERMCHAR);
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if (*status > 0) *status = 0;
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}
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void HAL_DisableSerialTermination(int32_t port, int32_t* status) {
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viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR_EN, VI_FALSE);
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*status =
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viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_END_IN, VI_ASRL_END_NONE);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialReadBufferSize(int32_t port, int32_t size, int32_t* status) {
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*status = viSetBuf(m_portHandle[port], VI_READ_BUF, size);
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if (*status > 0) *status = 0;
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}
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void HAL_SetSerialWriteBufferSize(int32_t port, int32_t size, int32_t* status) {
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*status = viSetBuf(m_portHandle[port], VI_WRITE_BUF, size);
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if (*status > 0) *status = 0;
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}
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int32_t HAL_GetSerialBytesReceived(int32_t port, int32_t* status) {
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int32_t bytes = 0;
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*status = viGetAttribute(m_portHandle[port], VI_ATTR_ASRL_AVAIL_NUM, &bytes);
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if (*status > 0) *status = 0;
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return bytes;
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}
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int32_t HAL_ReadSerial(int32_t port, char* buffer, int32_t count,
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int32_t* status) {
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uint32_t retCount = 0;
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*status =
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viRead(m_portHandle[port], (ViPBuf)buffer, count, (ViPUInt32)&retCount);
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if (*status == VI_ERROR_IO || *status == VI_ERROR_ASRL_OVERRUN ||
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*status == VI_ERROR_ASRL_FRAMING || *status == VI_ERROR_ASRL_PARITY) {
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int32_t localStatus = 0;
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HAL_ClearSerial(port, &localStatus);
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}
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if (*status == VI_ERROR_TMO || *status > 0) *status = 0;
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return static_cast<int32_t>(retCount);
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}
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int32_t HAL_WriteSerial(int32_t port, const char* buffer, int32_t count,
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int32_t* status) {
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uint32_t retCount = 0;
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*status =
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viWrite(m_portHandle[port], (ViPBuf)buffer, count, (ViPUInt32)&retCount);
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if (*status > 0) *status = 0;
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return static_cast<int32_t>(retCount);
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}
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void HAL_FlushSerial(int32_t port, int32_t* status) {
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*status = viFlush(m_portHandle[port], VI_WRITE_BUF);
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if (*status > 0) *status = 0;
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}
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void HAL_ClearSerial(int32_t port, int32_t* status) {
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*status = viClear(m_portHandle[port]);
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if (*status > 0) *status = 0;
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}
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void HAL_CloseSerial(int32_t port, int32_t* status) {
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*status = viClose(m_portHandle[port]);
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if (*status > 0) *status = 0;
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}
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} // extern "C"
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