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Full Discussion: Connecting PIC16F877A using Easypic5 via RS232 with Linux
Top Forums UNIX for Dummies Questions & Answers Connecting PIC16F877A using Easypic5 via RS232 with Linux Post 302593314 by Corona688 on Thursday 26th of January 2012 12:48:36 PM
Old 01-26-2012
We are not "on call" here. If you don't get a reply instantly, wait!

Let me hunt up the code I use...

---------- Post updated at 11:48 AM ---------- Previous update was at 11:44 AM ----------

Try perror("read failed"); to see why read failed.

I rolled my own serial-port-opening function to make ordinary rs232 communication less of a hassle, with the result being tcgets.h and tcgets.c. You can open a serial port like int fd=termios_open("/dev/ttyS0", "2400N81");. Even if you don't use it, it should hopefully be a good example
 

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LEARN ABOUT NETBSD

url

URL(4)							   BSD Kernel Interfaces Manual 						    URL(4)

NAME

     url -- Realtek RTL8150L USB Ethernet driver

SYNOPSIS

     url*    at uhub?
     urlphy* at mii?

DESCRIPTION

     The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip.

     The url driver supports the following adapters:

	   CompUSA USBKR100
	   GreenHouse GH-USB100B
	   Melco Inc. LUA-KTX
	   Sitecom LN013

     For more information on configuring this device, see ifconfig(8).

DIAGNOSTICS

     url%d: watchdog timeout  A packet was queued for transmission and a transmit command was issued, however the device failed to acknowledge the
     transmission before a timeout expired.

     url%d: no memory for rx list  The driver failed to allocate an mbuf for the receiver ring.

SEE ALSO

     arp(4), mii(4), netintro(4), usb(4), ifconfig(8)

HISTORY

     The url device driver first appeared in NetBSD 1.6.

AUTHORS

     The url driver was written by Shingo WATANABE <nabe@nabechan.org>.

BSD
								September 18, 2006							       BSD
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