hey guys, i need some help debugging this code: int open_portandprint(char* load){ int fd; /* File descriptor for the port */ fd = open("/dev/ttyACM0", O_RDWR | O_NDELAY); fcntl(fd, F_SETFL, 0); struct termios options,oldtios; if (tcgetattr(fd, &oldtios) != 0) return(-1); cfsetispeed(&opt…

debugging a serial communication tool

Using Arduino Interfacing w/ Software on the Computer

robtillaart November 9, 2012, 6:14pm 4

opening a serial port does set some HW handshake lines high/low.
I don't recall the details but they are discussed more on this forum -> search in the upper right for 'serial open reset Arduino' or so)

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debugging a serial communication tool

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