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#pragma once
//
// Sensor device structures and definitions
//
//
// Format of the 9-byte receive packet (device to PC):
//
// ORIGINAL TEMP_SENSOR PACKET FORMAT: [ VALUE (4 bytes) | INTERVAL (5 bytes) ]
//
// Format of the multi-byte receive packet (device to PC):
//
// NEW PACKET FORMAT: [ SENSOR_ID (1 byte) | ELEMENT_COUNT (1 byte) | ELEMENT_SIZE (1 byte) | ELEMENTS (size bytes) | INTERVAL (5 bytes) ]
// COMPASS PACKET FORMAT: [ SENSOR_ID = 1 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 3 | HEADING 3-bytes | INTERVAL (5 bytes) ]
// SENSIRON PACKET FORMAT: [ SENSOR_ID = 2 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 7 | TEMP 4-bytes | HUMIDITY 3-bytes | INTERVAL (5 bytes) ]
// FLEX PACKET FORMAT: [ SENSOR_ID = 3 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 5 | PRESSURE 5-bytes | INTERVAL (5 bytes) ]
// PING PACKET FORMAT: [ SENSOR_ID = 4 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 5 | PRESSURE 5-bytes | INTERVAL (5 bytes) ]
// PIR PACKET FORMAT: [ SENSOR_ID = 5 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 1 | STATE 1-byte | INTERVAL (5 bytes) ]
// MEMSIC PACKET FORMAT: [ SENSOR_ID = 6 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 6 | X-Axis Gs 3-bytes | Y-Axis Gs 3-bytes | INTERVAL (5 bytes) ]
// QTI PACKET FORMAT: [ SENSOR_ID = 7 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 4 | PRESSURE 4-bytes | INTERVAL (5 bytes) ]
// PIEZO PACKET FORMAT: [ SENSOR_ID = 8 | ELEMENT_COUNT = 1 | ELEMENT_SIZE = 1 | STATE 1-byte | INTERVAL (5 bytes)
// HITACHI PACKET FORMAT: [ SENSOR_ID = 9 | ELEMENT_COUNT = 3 | ELEMENT_SIZE = 4 | X-Axis Gs 4-bytes | Y-Axis Gs 4-bytes | Z-Axis Gs 4-bytes | INTERVAL (5 bytes) ]
//
//
// Format of the 6-byte send packet (PC to device):
// The final NULL byte signals the SERIN DEC formatter to stop reading
//
// [ INTERVAL (5 bytes) | 0 (1 byte) ]
//
#define INTERVAL_DATA_LENGTH 6 // count of bytes for interval
#define MIN_DATA_LENGTH 4 // minimum count of bytes for any sensor
#define MAX_DATA_LENGTH 21 // maximum count of bytes for any sensor
#define MAX_AMOUNT_TO_READ (MAX_DATA_LENGTH+INTERVAL_DATA_LENGTH) // maximum total bytes to read
#define MEMSIC_DATA_LENGTH 9 // count of data bytes for Memsic dual-axis accelerometer
#define HITACHI_DATA_LENGTH 15 // count of data bytes for Hitachi tri-axis accelerometer
#define COMPASS_DATA_LENGTH 6 // count of data bytes for Compass
#define SENSIRON_DATA_LENGTH 10 // count of data bytes for Sensiron temp/humidity sensor
#define PING_DATA_LENGTH 8 // count of data bytes for Ping distance sensor
#define FLEX_DATA_LENGTH 8 // count of data bytes for Flexiforce pressure sensor
#define PIR_DATA_LENGTH 4 // count of data bytes for PIR
#define QTI_DATA_LENGTH 7 // count of data bytes for QTI
#define PIEZO_DATA_LENGTH 4 // count of data bytes for Piezo
#define MEMSIC_AMOUNT_TO_READ (MEMSIC_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Memsic byte count
#define HITACHI_AMOUNT_TO_READ (HITACHI_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Hitachi byte count
#define COMPASS_AMOUNT_TO_READ (COMPASS_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Compass byte count
#define SENSIRON_AMOUNT_TO_READ (SENSIRON_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Sensiron byte count
#define PING_AMOUNT_TO_READ (PING_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Ping byte count
#define FLEX_AMOUNT_TO_READ (FLEX_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Flexiforce byte count
#define PIR_AMOUNT_TO_READ (PIR_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total PIR byte count
#define QTI_AMOUNT_TO_READ (QTI_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total QTI byte count
#define PIEZO_AMOUNT_TO_READ (PIEZO_DATA_LENGTH+INTERVAL_DATA_LENGTH) // total Piezo byte count
#define DEVICE_ID 0 // byte 0 contains the Device ID
#define ELEMENT_SIZE 1 // byte 1 contains the Element Size
#define ELEMENT_COUNT 2 // byte 2 contains the Element Count
// Update interval range in milliseconds
#define SENSOR_UPDATE_INTERVAL_MIN 10 // milliseconds
#define SENSOR_UPDATE_INTERVAL_MAX 60000 // milliseconds
#define SENSOR_UPDATE_INTERVAL_STEP 1 // milliseconds
// TODO: Change these range values to match your sensor hardware
#define SENSOR_READING_MIN 1 // ?Units
#define SENSOR_READING_MAX 378 // ?Units
#define SENSOR_READING_STEP 1 // ?Units
// TODO: Change this to match the default COM port to use
#define COM_PORT_NAME L"COM1"
#define NUM_READSTAT_HANDLES 4
#define MAX_STATUS_LENGTH 100
// Ascii definitions
#define ASCII_BEL 0x07
#define ASCII_BS 0x08
#define ASCII_LF 0x0A
#define ASCII_CR 0x0D
#define ASCII_XON 0x11
#define ASCII_XOFF 0x13
// Miscellaneous definitions
#define MAX_READ_BUFFER 2048
#define MAX_WRITE_BUFFER 1024
#define EVENTFLAGS_DEFAULT EV_BREAK | EV_CTS | EV_DSR | EV_ERR | EV_RING | EV_RLSD
#define FLAGCHAR_DEFAULT '\n'
// Read states
#define RECEIVE_TTY 0x01
#define RECEIVE_CAPTURED 0x02
class RS232Connection
{
public:
RS232Connection();
~RS232Connection()
{
Disconnect();
}
HRESULT Connect(_In_ LPCWSTR wszPortName, _Out_ HANDLE *phCommPort);
void Disconnect();
private:
HRESULT SetPortState();
private:
//
// Required for the RS232 initialization and communication.
//
// TTY member variables and defines
HANDLE m_hCommPort;
DWORD m_dwEventFlags;
CHAR m_chFlag;
CHAR m_chXON;
CHAR m_chXOFF;
WORD m_wXONLimit;
WORD m_wXOFFLimit;
DWORD m_fRtsControl;
DWORD m_fDtrControl;
BOOL m_fConnected;
BOOL m_fTransferring;
BOOL m_fRepeating;
BOOL m_fLocalEcho;
BOOL m_fNewLine;
BOOL m_fDisplayErrors;
BOOL m_fAutowrap;
BOOL m_fCTSOutFlow;
BOOL m_fDSROutFlow;
BOOL m_fDSRInFlow;
BOOL m_fXonXoffOutFlow;
BOOL m_fXonXoffInFlow;
BOOL m_fTXafterXoffSent;
BOOL m_fNoReading;
BOOL m_fNoWriting;
BOOL m_fNoEvents;
BOOL m_fNoStatus;
BOOL m_fDisplayTimeouts;
BYTE m_bPort;
BYTE m_bByteSize;
BYTE m_bParity;
BYTE m_bStopBits;
DWORD m_dwBaudRate;
COMMTIMEOUTS m_timeoutsorig;
COMMTIMEOUTS m_timeoutsnew;
COMMTIMEOUTS m_TimeoutsDefault;
DWORD m_dwReceiveState;
};
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