Re: Parallel Port Interface between PIC and PC



byron@xxxxxxxxxxxxx (Byron A Jeff) wrote in
news:d6fnfj$63o@xxxxxxxxxxxxxxxxxxx:

> In article <1116377452.295251.118250@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> Rajiv Ghanta <rajivghanta@xxxxxxxxx> wrote:
>>hi there,
>
> Hi.
>
>>my current project involves designing a circular sonar-sensor array to
>>be incorporated onto a mobile robot. the hardware design i had in
>>mind was simple - the sensors would communicate with a PIC via I2C,
>>which would then transmit the readings to the laptop on the robot.
>
> Typical.
>
>> i managed
>>to implement the I2C interface between the PIC and the sensors. i now
>>need to establish communication between the PIC and the laptop on the
>>robot.
>
> Again typical.
>
>> the laptop has two ports, a USB port and a parallel port.
>
> Unfortunately becoming more typical by the day.
>
>>I'm pretty sure it's much easier to try to develop a parallel port
>>interface.
>
> I don't think so. The right way to do this is to interface to the USB
> using a USB to serial cable. The reason is that serial interfaces and
> programs are well established. Going the parallel route you'd have to
> develop software on both ends of the cable.
>
> The other reason this is smart is because you can then test everything
> on a desktop with a real serial port before committing to the USB to
> serial cable.
>
> Consider this alternitive before committing to the parallel port.
>

Even desktops are appearing with no serial ports now, although it is
still easy to find cards that will add a serial port or two or more to
the desktop.

--
Richard
.



Relevant Pages

  • Re: Parallel Port Interface between PIC and PC
    ... >> would then transmit the readings to the laptop on the robot. ... the laptop has two ports, a USB port and a parallel port. ...
    (sci.electronics.design)
  • Re: Parallel Port Interface between PIC and PC
    ... the hardware design i had in mind was simple - the sensors would communicate with a PIC via I2C, which would then transmit the readings to the laptop on the robot. ... the laptop has two ports, a USB port and a parallel port. ... i'm pretty sure it's much easier to try to develop a parallel port interface. ...
    (sci.electronics.design)
  • Re: Talk to computers?
    ... > don't know how involved that is from the hardware perspective, ... would suggest that you look at the serial port and/or parallel port. ... I have seen the parallel port used as a low speed serial port by using ...
    (sci.electronics.design)
  • Re: parallel & serial port questions
    ... For serial communication, you need to configure the port. ... rather lengthy "Parallel Port" thread in this group about a year ago. ... > What is the filename parameter for the COM1 serial port in createfile? ...
    (microsoft.public.win32.programmer.kernel)
  • Re: Simple but fast control
    ... 12kHz then the printer or serial port will do. ... normal parallel port could keep up with this, ... Using that 4014 and a couple of lines from the serial port to clock it ...
    (uk.comp.os.linux)