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Add AHRS IO Proc files into newer pull from dev
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mfs16101 committed May 8, 2020
1 parent fadc4b2 commit 17bdc02
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26 changes: 26 additions & 0 deletions bfs/implementations/breadcrumbs/include/AHRSInputIOProcessor.hpp
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#ifndef AHRS_OUTPUT_IO_PROCESSOR_HPP
#define AHRS_OUTPUT_IO_PROCESSOR_HPP

#include "IOProcessor.hpp"
#include "DataSyncThread.hpp"
#include "Attribute.hpp"
#include <windows.h>
#include <iostream>

class AHRSOutputIOProcessor : public IOProcessor
{
public:
using IOProcessor::IOProcessor;

void loop();
bool loopCondition();
int configAHRS(); // Initialize the AHRS for the first time

private:
int iterations = 10;
bool configured = false;
HANDLE hSerial;

};

#endif
150 changes: 150 additions & 0 deletions bfs/implementations/breadcrumbs/io_procs/AHRSInputIOProcessor.cpp
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#include "AHRSOutputIOProcessor.hpp"


int AHRSOutputIOProcessor::configAHRS()
{
DCB dcb = {0};
//HANDLE hSerial;

hSerial = CreateFile("COM8", // The COM port to connect to, may have to be changed
GENERIC_READ | GENERIC_WRITE, // depending on what COM port gets selected.
0,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);

if (hSerial == INVALID_HANDLE_VALUE)
{
if(GetLastError() == ERROR_FILE_NOT_FOUND)
{
std::cout << "Serial port does not exist." << std::endl;
return 1; // serial port does not exist.
}
std::cout << "Some other error occurred." << std::endl;
return 2; // some other error occurred.
}

dcb.DCBlength = sizeof(dcb);

if (!GetCommState(hSerial, &dcb))
{
std::cout << "Error getting state." << std::endl;
return 3; // error getting state.
}

dcb.BaudRate = CBR_115200; // defualt baud rate of MT
dcb.ByteSize = 8;
dcb.StopBits = ONESTOPBIT;
dcb.Parity = NOPARITY;

if (!SetCommState(hSerial, &dcb))
{
std::cout << "Error setting serial port state." << std::endl;
return 4; // error setting serial port state
}

COMMTIMEOUTS timeouts = {0};

timeouts.ReadIntervalTimeout = 50;
timeouts.ReadTotalTimeoutConstant = 50;
timeouts.ReadTotalTimeoutMultiplier = 10;
timeouts.WriteTotalTimeoutConstant = 50;
timeouts.WriteTotalTimeoutMultiplier = 10;

if (!SetCommTimeouts(hSerial, &timeouts))
{
std::cout << "Error occured while setting timoemouts." << std::endl;
return 5;
}

std::cout << "Connection established!" << std::endl;
std::cout << "Setting up Config..." << std::endl;

unsigned char wBuff1[] = {0xFA,0xFF,0x30,0x00,0xD1}; // This is the GoToConfig message
DWORD dwBytesWritten = 0; // Number of bytes actually written

if (!WriteFile(hSerial, wBuff1, 6, &dwBytesWritten, NULL))
{
std::cout << "Error occured while trying to send GoToConfig message." << std::endl;
return 6;
}

unsigned char wBuff2[] = {0xFA,0xFF,0xC0,0x04,0x20,0x33,0x00,0x00,0xEA}; // This is the SetOutputConfiguration message
dwBytesWritten = 0;

if (!WriteFile(hSerial, wBuff2, 10, &dwBytesWritten, NULL))
{
std::cout << "Error occured while trying to send SetOutputConfiguration message." << std::endl;
return 7;
}

unsigned char wBuff3[] = {0xFA,0xFF,0x10,0x00,0xF1}; // This is the GoToMeasurment message
dwBytesWritten = 0;

if (!WriteFile(hSerial, wBuff3, 6, &dwBytesWritten, NULL))
{
std::cout << "Error occured while trying to send GoToMeasurment message." << std::endl;
return 8;
}

configured = true;
return 0;
}

bool AHRSOutputIOProcessor::loopCondition()
{
return iterations > 0;
}

void AHRSOutputIOProcessor::loop()
{
if (!configured)
configAHRS();

unsigned char szBuff[64 + 1] = {0}; // Buffer size
DWORD dwBytesRead = 0; // Number of bytes actually read

if (!ReadFile(hSerial, szBuff, 64, &dwBytesRead, NULL))
{
std::cout << "Error occured while trying to read bytes." << std::endl;
return 9;
}

int index = -1;

for (int i=0; i < 32; i++) // This gets the bytes for the Yaw angle
{
if (szBuff[i] == 0xFA && szBuff[i+1] == 0xFF && szBuff[i+2] == 0x36)
{
index = i + 22;
break;
}
}

unsigned char yawArray[8];

if (index != -1) // This puts all those bytes
{
for (int i=0; i < 8; i++)
yawArray[i] = szBuff[index + (8-i)];
// yawArray[0] = szBuff[index+8];
// yawArray[1] = szBuff[index+7];
// yawArray[2] = szBuff[index+6];
// yawArray[3] = szBuff[index+5];
// yawArray[4] = szBuff[index+4];
// yawArray[5] = szBuff[index+3];
// yawArray[6] = szBuff[index+2];
// yawArray[7] = szBuff[index+1];
}
double doubleYaw = *reinterpret_cast<double * const>(yawArray);

//std::cout << "Yaw: " << doubleYaw << std::endl;

Attribute attrib("yawAngle", 8, &doubleYaw);
getComs()->sendAttribute(attriv);
iterations--;

if (iterations == 0)
CloseHandle(hSerial);
}

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