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i need uC/OS TCP-IP implementation source code and
releated docs for educational purposes. please help me
by sharing them.
official link: h**p://micrium.com/products/tcp-ip/tcp-ip.html
thanks in advance.
i need some information on designing WiMAX base
controller software. what is the best place to start ?
is it analyzing the standard or something else.
any guidelines will be highly appreciated.
fyi: we will use open source linux 2.6.18 kernel
version. we have expertise on linux kernel and...
would u support me with the "SD Security Specification" and "SD File-system Specificatoin" for my project. i tried a lot to find out those docs but failed. without those 2 docs, i can't be able to finish my project.
thanks a lot
let me brief my design a little bit more...
well, i am not using any kind of SDCard controller. i have built up a s/w layer which replaces the controller. i am just using the DM1AA-SF-PEJ connector to hold my sdcard. the pins CLK, CMD, DAT0, DAT1, DAT2, DAT3 are directly mapped to my GPIO...
let me be more specific....i see the card going to PRG (programming state) and simultaneously the DAT0 is pulled LOW (indicates the card is busy) ... i wait for DAT0 line to become HIGH (after writing the card will pull it HIGH). unfortunately the card is pulling it LOW forever (i have waited...
i am having problems with writing a block of 512 bytes data to the sdcard.
after i send 512 bytes of data and a 16-bit crc checksum, the sdcard sends back the crc status as 010 which means a crc ok, then it enters the PRG state with the DAT0 pin held at '0' by the card, which...
Re: block read/write problem with sdcard
i solved my problem myself. actually the DAT0 line was shared by some other bus. so, i was not getting proper voltage levels on the DAT0 pin. i had to disable that bus sharing. now i can read properly from the card.
hope it would be helpful for others...
i am having severe problems with reading (and writing) from sdcard. i am using SD bus mode for communication with the sdcard and NOT using any sort of scard-controller for that.
now i have successfully intialized the sdcard with ACMD41 (with OCR = 0x80FF8000 ), got the RCA and...
let me be specific
when i give CMD55, my sdcard responses successfully showing the card status which indicates the next it expects Application specific command.
next when i give ACMD41 with the operation voltage range of 1.6 - 3.3, the card stops responding anything.
(my board is using Vdd...
i have some problems with sdcard initialization phase.
what is the actual (working) command-reponse sequence to get the sdcard through 'card identification phase' into 'data transfer phase' ?
another...after issueing a read/write command, what is the command-response sequece to...
i am working on a project where we are using the SD card with SD bus mode
i have 3 questions regarding to CRC checking
1. Let i am reading a Data block of 512 bytes. It starts with a startbit (0) and then 512 bytes comes in sequence. Now, is the CRC16 check over the block...
embedded design with pic18f452 microcontroller
i am from BD. the CSE dept. in our university is thinking to setup an embedded systems lab. But we have lack of information on the necessary/essential equipments/books and others (even i may not know) to run such a lab. So i turn...