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| Search found 8 matches |
| Author | Message |
|---|---|
 Topic: MMC initialization Set Block Length |
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| gbie Replies: 3 Views: 3875 |
 Forum: General CCS C Discussion Posted: Tue May 05, 2009 1:19 am Subject: MMC initialization Set Block Length |
| I got the right responses by adding more clock cycles between commands.
Next problem: I can't get the data block response after a write anymore. I do get a busy signal though. A long block of 0x00. ... |
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| Topic: MMC initialization Set Block Length |
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| gbie Replies: 3 Views: 3875 |
Forum: General CCS C Discussion Posted: Tue May 05, 2009 12:45 am Subject: MMC initialization Set Block Length |
| Actually, I see that I'm getting a response in the middle of a command.
I send CMD0, get 0x01. Good. I send CMD1, after 2 tries, I get 0x00. Good. I send CMD16, I get a 0x07 response in the mid ... |
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| Topic: MMC initialization Set Block Length |
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| gbie Replies: 3 Views: 3875 |
Forum: General CCS C Discussion Posted: Tue May 05, 2009 12:07 am Subject: MMC initialization Set Block Length |
| my initialization stopped working. when i send CMD16, i get a R1 response of 00000111, which means illegal command + erase/reset + idle?
// Got out of idle response SPI_WRITE(0xF ... |
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| Topic: playing audio (MMC question) |
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| gbie Replies: 0 Views: 2428 |
Forum: General CCS C Discussion Posted: Fri May 01, 2009 5:00 pm Subject: playing audio (MMC question) |
| i wrote a .wav file to an mmc card.
when i do a block read, it seems like it is written high (11111111) for the last 80 or so bytes of every block. is that normal? and if it is, is there a way to wor ... |
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| Topic: DAC help! |
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| gbie Replies: 1 Views: 3769 |
Forum: General CCS C Discussion Posted: Thu Apr 30, 2009 1:17 am Subject: DAC help! |
| Trying to get my DAC0800 working with my pic16f886 so that I can output audio. I use a function generator to input a sine wave into the ADC and then output it to the DAC. It looks great up until about ... | |
| Topic: pic16f886 mmc read/write help |
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| gbie Replies: 4 Views: 6420 |
Forum: General CCS C Discussion Posted: Wed Apr 22, 2009 5:01 pm Subject: pic16f886 mmc read/write help |
| problem fixed:
i was sending the wrong data start byte. |
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| Topic: pic16f886 mmc read/write help |
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| gbie Replies: 4 Views: 6420 |
Forum: General CCS C Discussion Posted: Wed Apr 22, 2009 11:08 am Subject: pic16f886 mmc read/write help |
| #define SPI_MODE_0 (SPI_L_TO_H | SPI_XMIT_L_TO_H)
#define SPI_MODE_1 (SPI_L_TO_H) #define SPI_MODE_2 (SPI_H_TO_L) #define SPI_MODE_3 (SPI_H_TO_L | SPI_XMIT_L_TO_H) SETUP_SPI(SPI_MASTER | SP ... |
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| Topic: pic16f886 mmc read/write help |
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| gbie Replies: 4 Views: 6420 |
Forum: General CCS C Discussion Posted: Wed Apr 22, 2009 2:38 am Subject: pic16f886 mmc read/write help |
| MMC initializes fine.
When I do a write and get the response at the end, it turns up as 00000010 | 10000000... for the busy, when the expected is 00000101|000000... When I do a read after that, I ... |
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