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Topic: arduino input in my C++ tutorial (Read 1 time) previous topic - next topic


I am somewhat fluent in STD C++ coding, but I have little experience with the windows.h library.

I am currently working on a project that involve using my arduino as an input device, and I would need to get serial input in my program.

I've been messing with that almost all day long, and I can't get anything to work. So i figured out, maybe someone else areally figured this stuff out before me, and could give me a hand on some examples script? I found some on google, but I'm not much expert with Windows C++ & serial communication.

Could anyone give me a hand here?

Thank You,


This is a simple little library i put together to talk to my arduino.
It's C, so you can use it w/ C++, or make it into a class or whatever.

Code: [Select]
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

HANDLE hSerial;

int serialOpen(char *name);
BOOL serialRead(unsigned char *byte);
int serialWrite(unsigned char *data, int size);

//open Serial port; pass "COM1"/"COM2"/... for file name
int serialOpen(char *name)
     DCB dSerial;

     if(hSerial == INVALID_HANDLE_VALUE)
           return -1;
   if(!GetCommState(hSerial, &dSerial))
           return -2;


   if(!SetCommState(hSerial, &dSerial))
           return -3;
     return 0;

//read a single byte from the serial port
BOOL serialRead(unsigned char *byte)
     int readSize;

     if(ReadFile(hSerial, byte, 1, &readSize, NULL))
                 return TRUE;

     return FALSE;

//write size bytes from data array
int serialWrite(unsigned char *data, int size)
     unsigned int wrote;

     WriteFile(hSerial, data, size, &wrote, NULL);
     return wrote;

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