Squashed 'third_party/allwpilib_2016/' content from commit 7f61816

Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/hal/lib/Athena/SerialPort.cpp b/hal/lib/Athena/SerialPort.cpp
new file mode 100644
index 0000000..7393e2c
--- /dev/null
+++ b/hal/lib/Athena/SerialPort.cpp
@@ -0,0 +1,148 @@
+#include "HAL/SerialPort.hpp"
+#include "visa/visa.h"
+
+
+uint32_t m_resourceManagerHandle;
+uint32_t m_portHandle[2];
+
+void serialInitializePort(uint8_t port, int32_t *status) {
+	char const * portName;
+
+	if (m_resourceManagerHandle ==0)
+		viOpenDefaultRM((ViSession*)&m_resourceManagerHandle);
+	
+	if(port == 0)
+		portName = "ASRL1::INSTR";
+	else if (port == 1)
+		portName = "ASRL2::INSTR";
+	else
+		portName = "ASRL3::INSTR";
+
+	*status = viOpen(m_resourceManagerHandle, const_cast<char*>(portName), VI_NULL, VI_NULL, (ViSession*)&m_portHandle[port]);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialSetBaudRate(uint8_t port, uint32_t baud, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_BAUD, baud);
+	if(*status > 0)
+		*status = 0;
+}
+	
+void serialSetDataBits(uint8_t port, uint8_t bits, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_DATA_BITS, bits);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialSetParity(uint8_t port, uint8_t parity, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_PARITY, parity);
+	if(*status > 0)
+		*status = 0;
+}
+	
+void serialSetStopBits(uint8_t port, uint8_t stopBits, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_STOP_BITS, stopBits);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialSetWriteMode(uint8_t port, uint8_t mode, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_WR_BUF_OPER_MODE, mode);
+	if(*status > 0)
+		*status = 0;
+}	
+
+void serialSetFlowControl(uint8_t port, uint8_t flow, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_FLOW_CNTRL, flow);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialSetTimeout(uint8_t port, float timeout, int32_t *status) {
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_TMO_VALUE, (uint32_t)(timeout * 1e3));
+	if(*status > 0)
+		*status = 0;
+}
+	
+void serialEnableTermination(uint8_t port, char terminator, int32_t *status) {
+	viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR_EN, VI_TRUE);
+	viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR, terminator);
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_END_IN, VI_ASRL_END_TERMCHAR);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialDisableTermination(uint8_t port, int32_t *status) {
+	viSetAttribute(m_portHandle[port], VI_ATTR_TERMCHAR_EN, VI_FALSE);
+	*status = viSetAttribute(m_portHandle[port], VI_ATTR_ASRL_END_IN, VI_ASRL_END_NONE);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialSetReadBufferSize(uint8_t port, uint32_t size, int32_t *status) {
+	*status = viSetBuf(m_portHandle[port], VI_READ_BUF, size);
+	if(*status > 0)
+		*status = 0;
+}
+	
+void serialSetWriteBufferSize(uint8_t port, uint32_t size, int32_t *status) {
+	*status = viSetBuf(m_portHandle[port], VI_WRITE_BUF, size);
+	if(*status > 0)
+		*status = 0;
+}
+
+int32_t serialGetBytesReceived(uint8_t port, int32_t *status) {
+	int32_t bytes = 0;
+
+	*status = viGetAttribute(m_portHandle[port], VI_ATTR_ASRL_AVAIL_NUM, &bytes);
+	if(*status > 0)
+		*status = 0;
+	return bytes;
+}
+	
+uint32_t serialRead(uint8_t port, char* buffer, int32_t count, int32_t *status) {
+	uint32_t retCount = 0;
+	
+	*status = viRead(m_portHandle[port], (ViPBuf)buffer, count, (ViPUInt32)&retCount);
+	
+	if(*status == VI_ERROR_IO || *status == VI_ERROR_ASRL_OVERRUN || *status == VI_ERROR_ASRL_FRAMING || *status == VI_ERROR_ASRL_PARITY)
+	{
+		int32_t localStatus = 0;
+		serialClear(port, &localStatus);
+	}
+	
+	if(*status == VI_ERROR_TMO || *status > 0)
+		*status = 0;
+	return retCount;
+}
+	
+uint32_t serialWrite(uint8_t port, const char *buffer, int32_t count, int32_t *status) {
+	uint32_t retCount = 0;
+
+	*status = viWrite(m_portHandle[port], (ViPBuf)buffer, count, (ViPUInt32)&retCount);
+	
+	if(*status > 0)
+		*status = 0;
+	return retCount;
+}
+
+void serialFlush(uint8_t port, int32_t *status) {
+	*status = viFlush(m_portHandle[port], VI_WRITE_BUF);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialClear(uint8_t port, int32_t *status) {
+	*status = viClear(m_portHandle[port]);
+	if(*status > 0)
+		*status = 0;
+}
+
+void serialClose(uint8_t port, int32_t *status) {
+	*status = viClose(m_portHandle[port]);
+	if(*status > 0)
+		*status = 0;
+}
+	
+	
\ No newline at end of file