Re: [Flashforth-devel] USB, flow-control, and linux

[Randall Y. <ras...@in...>]

Hi Mark,

I'm seeing exactly the same thing, with the PIC18F14k50 build of FF 5.0. 

Some characters come down, well formed, then a delay,  I send a carriage
return, and then more characters follow with zany formatting on the next
line of my terminal session.

FF 3.8 formats perfectly on the same setup, so I guess my terminal
program(s) are ok.

Just sharing, don't have a clue what's sideways.

Best,

Randy



-----Original Message-----
From: Mark Goldman [mailto:bit...@gm...] 
Sent: Wednesday, February 12, 2014 7:58 PM
To: fla...@li...
Subject: [Flashforth-devel] USB, flow-control, and linux

Hello everyone,

I am trying to run flashforth latest from GIT (appears to be 5.0, git commit
304e4cc23851c7ff5bd6360f4c8c16b880a0d51c)

I have an old USB BitWhacker board (v1) with an 18f2550 on it, 20MHz
crystal.

I have made the adjustments to the frequency and divider to get USB working,
however when I connect via /dev/ttyACM0, it appears to send some, but not
all of the characters in the tx buffer.  If I hit enter a couple of times,
or cause enough traffic, another chunk of the txbuffer comes down.

I have setting hardware flow control, disabling idle_mode, and a couple of
other things, but I don't seem to get proper expected behavior.

Are there other things I should be doing to enable USB besides defining
USB_CDC when assembling?

I have tried searching the archives, but I didn't come up with anything.

-mdg

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