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| Search found 6 matches |
| Author | Message |
|---|---|
 Topic: FAT16 file system for MMC using SPI interface |
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| harrie215 Replies: 28 Views: 248711 |
 Forum: Code Library Posted: Tue Mar 17, 2009 3:15 pm Subject: FAT16 file system for MMC using SPI interface |
| start mmctest
Start SPI MMC ... |
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| Topic: write small sound files to MMC card |
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| harrie215 Replies: 1 Views: 3003 |
Forum: General CCS C Discussion Posted: Tue Feb 24, 2009 1:56 pm Subject: write small sound files to MMC card |
| I use a 18f8720 at 6Mhz and the latest compiler from version 3 (3.249?)
Sofar I have a LCD and I can write and read blocks(512byte) to and from MMC card(32MB). Serial to pc(38400baud) is also set up. ... |
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| Topic: Transcend MMC to 16F877A |
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| harrie215 Replies: 9 Views: 13807 |
Forum: General CCS C Discussion Posted: Mon Apr 18, 2005 8:47 am Subject: Transcend MMC to 16F877A |
| concerning driverfile mmc_spi.c
Has anybody got a small piece of code how to use this library. My biggest problem is with the *ptr, how to use it. I also get a Subscript out of range on line 275 ... |
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| Topic: Transcend MMC to 16F877A |
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| harrie215 Replies: 9 Views: 13807 |
Forum: General CCS C Discussion Posted: Sun Apr 17, 2005 11:48 am Subject: Transcend MMC to 16F877A |
| Couldn't find that file. Found some other usefull stuff do.
De di and do should be pullup by min 50k0 to max 100K0. I'm going to start with 91k0. CS and clock can be connected straight. |
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| Topic: Transcend MMC to 16F877A |
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| harrie215 Replies: 9 Views: 13807 |
Forum: General CCS C Discussion Posted: Sat Apr 16, 2005 10:56 am Subject: Re: Transcend MMC to 16F877A |
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CCS MMC file #define MMC_CLK PIN_B1 #define MMC_DI PIN_B0 #define MMC_DO PIN_B3 #define MMC_CS PIN_B2 Which pins should be pulled up by a 4K7 resistor? Is this called SP ... |
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| Topic: Transcend MMC to 16F877A |
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| harrie215 Replies: 9 Views: 13807 |
Forum: General CCS C Discussion Posted: Fri Apr 15, 2005 4:00 am Subject: Transcend MMC to 16F877A |
| I use a Transcend 32mb MMC (multimediacard).
Where should I connect the in and out to. Should I connect PIN_B0 (in) to pin 2 (cmd) and connect PIN_B3(out) to pin 7 (dat)? And where do I connect PI ... |
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