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what makes a thread different from a task? I noticed that say when calling a function that takes along time to execute the parent task is penalised to quite an extent.  So I...
Tue. Jan 15, 2019 - 10:30 PM
Hi freaks,   Could someone tell me where is the FSINFO structure is stored in the FAT32 filing system.  My guess is its that it's after the Reserve Section...   Wm...
Sat. Dec 1, 2018 - 10:09 PM
I have a MMC interface on a (SAM device) and was wondering, will ordinary SD cards work on it.  The device does not respond to instructions.  I'm hoping that its not...
Mon. Nov 19, 2018 - 10:58 PM
Guys, I'm preparing to write a FAT filing system for a sd card.  However I must first setup the SPI bus.  I've included an example below of the SPI1 (set as master) and...
Sun. Nov 18, 2018 - 06:32 PM
DHCP Discovery
Right guys, I'm working on DHCP Server for an embedded device.  I have the following example to work from:   DHCP: Discover (xid=21274A1D) DHCP: Op Code (op) = 1 (0x1)...
Fri. Nov 9, 2018 - 09:25 PM
DNS Server
Guys I'm working on a dns server but when I transmit the DNS reuest using UDP wire shark neer shows it has a dns request but that it's a simple UDP transaction.  Where may I...
Tue. Nov 6, 2018 - 08:47 PM
Embedded LAN and the internet
Hi freaks,   I'm working on a tcp/ip stack and am trying to obtain access to the internet.  The setup is on a laptop.   the wifi settings are as follows:   192...
Mon. Nov 5, 2018 - 06:09 PM
IPv6 to be or not to be
Guys, I've thinking of implementing a IPv6 IP stack.  Do you think it is worth while? Also, does wireshark debug IPv6?
Tue. Oct 23, 2018 - 11:09 PM
Error that I do not understand with Eclipse
Okay Lads, this is a Eclipse question although the actual target is SAMA5D44 we can ignore that, well I hope so.  Anyways, I have the following error when compiling. Can...
Tue. Oct 23, 2018 - 09:49 PM
Eclipse trouble
Hi freaks, when I use the following function: #include "F:\atmel-software-package-master\drivers\network\ethd.h" ethd_get_mac_addr(board_get_eth(0), 0, mac_addr);inside main on...
Thu. Oct 18, 2018 - 09:33 PM
Hit a brick wall
Hi guys, I'm porting a IPv4 stack to the ARM Cortex-A5 processor, it compiles okay but when it goes to LINK it displays a load of garbage.  See below.   What direction...
Wed. Oct 17, 2018 - 03:47 PM
memory barrier
Hi Freaks, I use the barrier(); instruction in UC3, however, I'm porting the software to ARM and it does not support memory barrier();   barrier(); is declared as asm ("nop...
Fri. Sep 28, 2018 - 04:13 PM