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you're not going to be able to generate accurate bit times using
Interactive C -- it'd have to be an assembly language driver.
use the 9600 baud output driver located at
http://el.www.media.mit.edu/projects/handy-board/software/libs.html
fred
In your message you said:
> hi
> i want to send a byte as a series of bit to a transamitter module i am
> using. the FAQ says i can use the digital 9, or SPI port or TOC3. i can
> output to these ports.
>
> the first problem is getting the delay times between bits. if i use the
> msleep() function i can get up to 1000 baud right? but i want to use a
> standard bitrate 1200baud. since argument to msleep() is an integer how can
> i do this?
>
> the other question is in the code i have to write separate lines that sets
> and clears the output with respect to the byte. for example i used the ode
> as below using the TOC3 output.
>
> .
> .
> bit_set(0x1000, 0x20); /* mark*/
> msleep(9l); for bit rate of 110baud
> bit_set(0x1000, 0x20);
> msleep(9l);
> bit_set(0x1000, 0x20);
> msleep(9l);
> .
> .
>
>
> is there an easier way of doing this?
>
> many thanks
> M Fazal
>
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Message has 1 Reply:
 | | Re: serial output
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| My transmitter module can accept upto 1200 baud. can i modify this driver to run at 1200baud. if possible how? i dont really understant assembly code. could you also point me to a book or manual which gives assembler commands. many thanks M Fazal (...) (25 years ago, 16-Feb-00, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | serial output
|
| hi i want to send a byte as a series of bit to a transamitter module i am using. the FAQ says i can use the digital 9, or SPI port or TOC3. i can output to these ports. the first problem is getting the delay times between bits. if i use the msleep() (...) (25 years ago, 16-Feb-00, to lugnet.robotics.handyboard)
|
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