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| Search found 4 matches |
| Author | Message |
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 Topic: PIC16f887 i2c to slow |
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| sgtsquatlow Replies: 5 Views: 10035 |
 Forum: General CCS C Discussion Posted: Fri Aug 05, 2011 1:11 pm Subject: PIC16f887 i2c to slow |
| You are a genius, thank you. I removed the % operator and switched to a value++; value &= mask; and it worked a lot faster. I reconfigured the SSP ISR and removed my timer2 ISR. Now it works great ... | |
| Topic: PIC16f887 i2c to slow |
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| sgtsquatlow Replies: 5 Views: 10035 |
Forum: General CCS C Discussion Posted: Thu Aug 04, 2011 2:00 pm Subject: PIC16f887 i2c to slow |
| I have managed to get the I2C a little faster by altering the ISR code, but it still isn't up to 100kHz. My ISR looks like this:
#INT_SSP void I2C_isr () { state = i2c_isr_sta ... |
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| Topic: PIC16f887 i2c to slow |
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| sgtsquatlow Replies: 5 Views: 10035 |
Forum: General CCS C Discussion Posted: Wed Aug 03, 2011 11:23 am Subject: PIC16f887 i2c to slow |
| Thanks for the quick reply. I fixed the issue with the clock fuses. I chose the HS since the spec sheet says it should support the 20mhz. My fuses are now:
#include <16F887.h> #device *=1 ... |
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| Topic: PIC16f887 i2c to slow |
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| sgtsquatlow Replies: 5 Views: 10035 |
Forum: General CCS C Discussion Posted: Wed Aug 03, 2011 8:05 am Subject: PIC16f887 i2c to slow |
| Hi all,
I have been working with the PIC16f887 to try and get I2c slave to work, but I keep running into a speed problem. I need the slave to keep up with a 100kHz master (I am using the diolan u2c ... |
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