100 Threads found on edaboard.com: Help Mmc
Hi,
I need help for Writing some data in mmc the read specific data from mmc and display on the LCD. If anyone shares with me some example it will help me a lot. You will find the circuit with this post.
If I press the "Button 1" one string (ex. This is text number one) will write on the mmc.
Button 2 (...)
Microcontrollers :: 12-05-2016 19:33 :: mirrayhan08 :: Replies: 1 :: Views: 339
hi my friend
i want to write to mmc(sd) with avr and compiler bascom +avr_dos . i can write in mmc but i want to operation TAB between 2 varibale when i write in mmc .
please help me
thank you
Microcontrollers :: 04-25-2016 12:20 :: nex2004 :: Replies: 1 :: Views: 323
I would like some help in selecting the simplest micro-controller for my project.
I will have 22 momentary SPST switches and 22 very small relays whenever a switch is pressed (regardless how long the button is held down for) a corresponding relay will fire for 3 seconds. So I need a minimum of 44 general purpose io lines. I have a $300 budget.
w
Microcontrollers :: 12-10-2014 12:11 :: steven834 :: Replies: 2 :: Views: 392
hello guys !
could you help me with the mikroC FAT32 library !
I downloaded the library from Libstock , but i have no idea how to start !
i successfully had written a txt file into an SD/mmc card using mikroC mmc_Fat16 library .
Fat16 supports cards up to 2GB .
now I need to write a txt file into a 8 GB SD card using microC Fat32 (...)
Microcontrollers :: 11-23-2014 12:14 :: Tareq Domi :: Replies: 1 :: Views: 1976
Hello friends
I am trying to simulate Adafruit data logging shield for arduino in proteus, but when I try to simulate the circuit, it gives command unsupported error. If anyone can help it will be appreciated, sharing my proteus files in the attachment.
Thanks
Analog Circuit Design :: 09-08-2014 13:13 :: jami007 :: Replies: 0 :: Views: 1230
How to read a whole line until new line occurs in a text file...using mmc Fat library........
please help me here...
Microcontrollers :: 05-01-2014 09:34 :: patelvivekv1993 :: Replies: 2 :: Views: 699
so can anybody help me with all the stuff coding in MPLAB and Proteus
Microcontrollers :: 12-20-2013 09:47 :: rajtrivedi99 :: Replies: 1 :: Views: 546
Hi,
Microchip provide SD/mmc stack for its various microccontrollers (pic18 and above). Select a microcontroller read the stack documentation. There are a lot of example that will help you in developing your application. One more thing which dsPIC controller are you using? dsPIC30 or dsPIC33. For dsPIC30 you have to edit some files so that the stac
Microcontrollers :: 09-09-2013 04:55 :: babar_ali :: Replies: 3 :: Views: 972
read "ADVANCED PIC MICROCNTROLLER PROJECTS" BY DOGHAN IBRAHIM for complete help and examples.
Microcontrollers :: 03-15-2013 11:47 :: zia :: Replies: 2 :: Views: 1413
Is there any one to help me??
Embedded Linux and Real-Time Operating Systems (RTOS) :: 03-13-2013 17:06 :: mehdi8310021 :: Replies: 1 :: Views: 656
Hi,
I want to simulate 1GB micro sd card interfaced with avr by Proteus.while I've tried to configure mmc properties there the maximum limit is 128 MB.I've made image file using usb image tool.I've formatted the sd card to fat32 .I 've selected 128MB (maximum) from mmc properties to simulate .but it is not working .Please help me to fix (...)
Microcontrollers :: 02-02-2013 06:35 :: Afzal Hossain Khan :: Replies: 0 :: Views: 3142
i have been assigned a micro controller project involving 18f4550.
My project is to log data (temperature, Humidity, & light Intensity) on memory card. I am using ccs Compiler (PIC C) for programming, but every time i try to initialize the card it give error.
Any help regarding this will be highly appreciated.
Tanks in advance.
Microcontrollers :: 12-20-2010 18:45 :: junaid arshad :: Replies: 1 :: Views: 2324
can u help me with the simulation of mmc in proteus?? i made .mmc file and upload it on mmc card...but it can't write or read
Microcontrollers :: 08-15-2012 13:07 :: nishat anjum khan :: Replies: 6 :: Views: 765
Dear All,
Please help me to find the schematic of LPC2148 with SD/mmc card
Thanks !!!!!!!!
Microcontrollers :: 08-14-2012 06:06 :: pappu_sam :: Replies: 3 :: Views: 1513
Thank you l lot. thats look pretty good to me. I will give it a try. thanks for your help :)
Microcontrollers :: 08-08-2012 05:38 :: kawin :: Replies: 2 :: Views: 702
There is a Function in mmc Card Library.... mikroc Compiler to format the mmc card..
unsigned char mmc_Fat_QuickFormat(char *mmc_fat_label);
We have to pass an argument mmc_fat_label.. I want to know what is this and how can i use this function to format my memory card for FAT16 File System
I am (...)
Microcontrollers :: 07-13-2012 10:55 :: xpress_embedo :: Replies: 0 :: Views: 732
hi
i want to read from sd card with spi communication,but i dont know the sequence of commands whitch i most send to sd card.
please help me
thank you
Embedded Linux and Real-Time Operating Systems (RTOS) :: 06-20-2012 07:17 :: gholamzadeh :: Replies: 1 :: Views: 636
Hi all,
I am able to initialize SPI, Memory card as well but am unable to write files to SD-mmc card.
How to write and read files to SD-mmc
please help me to do this.
Microcontrollers :: 06-12-2012 12:12 :: pappu_sam :: Replies: 0 :: Views: 784
Hi all,
I am able to initialize SPI, Memory card as well but am unable to write files to SD-mmc card.
How to write and read files to SD-mmc
please help me to do this.
Microcontrollers :: 06-12-2012 05:55 :: pappu_sam :: Replies: 1 :: Views: 1089
hi,
is their is no one which can help me in this topic?
Microcontrollers :: 05-06-2012 09:22 :: abhishekdixit :: Replies: 1 :: Views: 1412
Hi Guys,
Noob here. I am an EE student and currently undertaking a PIC project. I was wondering if the PIC18F4XK20 starter kit is compatible with the Pictail board for SD and mmc cards. If so, could anyone help me configure the MPLAB environment. I need help with the include files, header files, linker script etc..
Your (...)
Microcontrollers :: 04-25-2012 12:03 :: PIC_girl :: Replies: 0 :: Views: 633
Hi
i want to drive an IC for reading and writing from/to mmc or SD Card.
my IC is GL827L, i could find its datasheets but i can't find any tested circuit or schematic for it, can any one help me to can drive it correct?
i attached datasheets too.
Professional Hardware and Electronics Design :: 04-04-2012 17:20 :: Morteza_rk :: Replies: 0 :: Views: 1797
Hi All
now i build a program to run a wave files
wave file type is Mono / Bits / 16 KHz
i do every things goood
reading from memory
and send a byte i have read to PORTB
but my problem
to play it in speaker
i know that's need DAC
but any body can help me on this ??????
this is my Code
#define LINE_LEN 43
#define
Microcontrollers :: 03-31-2012 15:27 :: mohammadjamal :: Replies: 10 :: Views: 1108
hi all
i have a project than require to read .wav file from mmc card and play it in speaker
i convert .wav file using this tool
and convert the output to a txt file and read it ,,,,, and that was faild !!!!
then tried to convert it binary ,,, no thing happened !!!
i follow some experienc
Microcontrollers :: 03-26-2012 18:02 :: mohammadjamal :: Replies: 7 :: Views: 1218
Hello,
I am trying to interface SD card using it's datasheet at with customized code, stucked in an unknown error.
Kindly, if any one can resolve this issue then it will be nice.
I am attaching whole of my code with the customized libraries, as well as proteus simulation.
Thanks in Advance.! :|
Regards,
Umair Mukati.69593
Microcontrollers :: 02-23-2012 18:34 :: umairmukati :: Replies: 5 :: Views: 2050
Thx Mr
I was looking for this since a long time ago
if u have an idea to use the same schematic but with usb flash instead of mmc card
ur help is appriciated
thx
Johnny
Embedded Linux and Real-Time Operating Systems (RTOS) :: 11-05-2011 05:37 :: janosandi :: Replies: 2 :: Views: 1529
mine is v 1.6 which has inbuilt function, but i think only for the 18 f series
SD Card Interface Example for dsPIC30F4013
see this site.. this may help you
Microcontrollers :: 08-11-2011 17:48 :: Magnatron :: Replies: 4 :: Views: 1241
I haven't used mmc/SD but I think these links can help you understand how to use an mmc/SD
mmc/SD Card and FAT Tutorial
Use an SD or mmc card on your next AVR project |
Microcontrollers :: 07-15-2011 15:20 :: alexan_e :: Replies: 6 :: Views: 1813
Dear Geeks,
Does anyone have a PCB footprint for Standard SD/mmc Card Socket/Connector (PUSH-PULL) or (PUSH-PUSH) type, for Proteus ARES?
I can simulate SD/mmc Card with Proteus mmc library (VSM DLL Model) but unable to finish my PCB design as it does not have a PCB footprint.
Can anyone help me PLEASE!!! I need it (...)
PCB Routing Schematic Layout software and Simulation :: 05-29-2011 18:00 :: tekexpert :: Replies: 0 :: Views: 5746
i want to make simple mp3 player with usb any one can help me:oops:
Embedded Linux and Real-Time Operating Systems (RTOS) :: 05-19-2011 05:05 :: clickmeinsiva :: Replies: 3 :: Views: 2337
Hi friends,
I am working on my final year project. I want to interface SD card to Atmega16 microcontroller using SPI protocol. I tried interfacing but it didnt work. I need your help. Its very urgent. Please guide me on how to interface SD card and how to read and write data. I want to write three values(data) to SD card and I want to read them
Microcontrollers :: 05-10-2011 07:59 :: manojspam :: Replies: 2 :: Views: 2412
helo all i have a USB/SD/mmc Wireless FM transmitters (China made) for car , can i connect direct antenna cabel from Wireless FM transmitters to my port antena in car stereo ??? so i can get no interference for my audio ??? if not any suggestion for my problem anyone
thanks for your help
and sorry for bad English ......
Elementary Electronic Questions :: 03-07-2011 02:29 :: cfoek :: Replies: 2 :: Views: 748
hi all,
am trying to interface micro SD mmc card with PIC18F4620,
inserting micro SD card into Adapter.
but am not getting the pin assignment of this adapter which is having 9 pins
can anyone please help me to know the pin assignment.
Embedded Linux and Real-Time Operating Systems (RTOS) :: 02-11-2010 14:14 :: pappu_sam :: Replies: 9 :: Views: 4891
hi ,using mikroc i want to make txt file on mmc (fat16) , I want to send special key to txt file such as ( enter key to make newline) and (tabe key to separate bt words) , i make the file and send characters to it but i cannot make newline or separate tab bt words . can you help me plz.
Microcontrollers :: 02-24-2011 20:03 :: wael_moharam :: Replies: 1 :: Views: 1142
Hi. I just finished my course on microprocessors and i wanted to do a couple of small projects on them. I was wondering if anyone could help me out by telling me how to go about this.
1) I would like to read/write data from/to a USB pen drive or SD/mmc card.
2) Are there any resources available from where i can learn more. Circuits?
I do n
Embedded Linux and Real-Time Operating Systems (RTOS) :: 01-16-2011 14:26 :: nbprashanth :: Replies: 0 :: Views: 974
hi..
i'm working on mmc project.. and using pic18f4455
the problem is the pin for sdo is the same pin for rx..
i already used rx for uart.
is it possible if i can use the same pin for mmc data out?while i am using it for uart?
will there be no problem?
Microcontrollers :: 12-10-2010 06:34 :: neechan18 :: Replies: 3 :: Views: 649
can i store programme in mmc to convert digital to analog ? if i can how ? if no hoa can convert digital to analog without DAC ?help me plz thanks
Software Recommendations :: 10-30-2010 11:39 :: ahmed hammad :: Replies: 0 :: Views: 15
can somebody help me writing a .txt file in sd card with avr.???:sad:
Here is a free library
mmc AVR Lib | Download mmc AVR Lib software for free at
Microcontrollers :: 03-11-2011 05:45 :: nandhu015 :: Replies: 7 :: Views: 7040
Maybe these can help to understand how to use an mmc
mmc/SD Card and FAT Tutorial
Use an SD or mmc card on your next AVR project |
Reading and writi
Microcontrollers :: 03-09-2011 07:43 :: alexan_e :: Replies: 4 :: Views: 9635
hi,
can any one help me in interfacing sd with 8051 programming...
i want to use spi mode and want to build code in embedded C
thanks
Microcontrollers :: 09-18-2010 06:32 :: swati :: Replies: 2 :: Views: 2938
search for mmc_read() and mmc_write() asn you can write form another microcontroller (like sending from serial and write the 512 bytes blocks)..
also i have seen making this kind of stuff with Linux! (i 'm a newbie in linux so you can search more on the internet) so create a 'virtual device' with dev (with the same exact size of the mmc (...)
Microcontrollers :: 08-31-2010 12:21 :: Kurenai_ryu :: Replies: 2 :: Views: 736
Hi guys!!
I have a canon multimedia card and I want to read/write data from/to it,but I have no idea about it's pinout and how to connect it to atmega128 .I mean i can't fide any datasheet for it.Does anyone have any guidance for me.I should resist that unfortunately there is no other type of mmc in my country!
Tnx for your help in advance...
Microcontrollers :: 08-23-2010 10:17 :: aomidee :: Replies: 0 :: Views: 865
is there 15 pin sd card? i saw the schematic diagram but i didnt know pin details. plz send the pin details of sd card(15 pin) i searched in google i cant get it.plz help me to start my new project?
PCB Routing Schematic Layout software and Simulation :: 07-24-2010 08:34 :: m_kavith :: Replies: 2 :: Views: 2360
Hi,
I am porting the EFSL FAT filesystem to PIC18, apparently it´s done for AVR and ARM but not for PIC, or at least I haven´t been able to find the way to compile it for PIC.
Has anybody done this before? Any help or code would be welcome. I have low level routines for interfacing with an SD/mmc card through SPI but I cannot compile the EFSL l
Microcontrollers :: 04-28-2010 21:12 :: pepillo :: Replies: 0 :: Views: 1733
help with MP3 project.
I treing to make a MP3 Player but I have a problem with the file.
I use SD/
mmc card and vs1002 decoder and micro at89c51ed2.
The code is in C, and the problem is some where here:
unsigned char
mmcWaitForData(){
unsigned char c;
unsigned int i;
DebugMessage("
Microcontrollers :: 04-14-2010 15:26 :: EShring :: Replies: 0 :: Views: 1376
I am building an MP3 player with mmc/SD card interface to a PIC18F4550 through SPI, but I cannot get any response from the card, here are the details, anyone can help me?
- When I read from the card, the MISO line is all the time high or "1". I expect to receive an R1 command or "0x01" but I see no movement on the line.
- I am implementing the
Microcontrollers :: 03-27-2010 11:52 :: pepillo :: Replies: 1 :: Views: 2947
maybe this can help
PLD, SPLD, GAL, CPLD, FPGA Design :: 03-24-2010 19:37 :: pini_1 :: Replies: 1 :: Views: 1499
hi....
i have a need to design blood pressure devices using the PIC16F877, in my case, the data is need to be save in the memory card, but i don't have the code to write the data into the memory card..
can somebody help me?
this is my email : manjung_4@yahoo.com
thanks for all your help..
Embedded Linux and Real-Time Operating Systems (RTOS) :: 03-11-2010 02:05 :: manjung :: Replies: 7 :: Views: 3874
Hi adm1,
You may use MikroC compiler and it has got built-in functions for accessing
sd/mmc cards. See its help files.
Microcontrollers :: 02-23-2010 13:48 :: matbob :: Replies: 1 :: Views: 2678
Hi,
If you download the mikroBASIC or mikroC or mikroPASCAL compiler, there are examples for writing to mmc card, although they use the mikroElektronika library functions. You might want to take a look.
Hope this helps.
Tahmid.
Embedded Linux and Real-Time Operating Systems (RTOS) :: 02-14-2010 18:43 :: Tahmid :: Replies: 5 :: Views: 2072