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| Search found 6 matches |
| Author | Message |
|---|---|
 Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
 Forum: General CCS C Discussion Posted: Tue Sep 01, 2020 3:07 pm Subject: I2C connection problem |
| Hello dear "Ttelmah".
Thanks a lot for your quick response. I tested your INT_ssp codes. But it was wrong and data transmission completely disabled. My code in INT_SSP was correct. ... |
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| Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
Forum: General CCS C Discussion Posted: Mon Aug 31, 2020 5:50 pm Subject: I2C connection problem |
| Slave #1 address is 0x10
For writing to it address is 0x10 For reading from it address is 0x11 Slave #3 address is 0x40 For writing to it address is 0x40 For reading from it address is 0x41 ... |
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| Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
Forum: General CCS C Discussion Posted: Mon Aug 31, 2020 9:59 am Subject: I2C connection problem |
| Slave code:
#include <18F25K80.h> #DEVICE ADC=12 #use delay(oscillator=16M) #fuses hsh #fuses nowdt #use i2c(slave,sda=PIN_C4,scl=PIN_C3,address=0x40,force_hw) int8 st ... |
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| Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
Forum: General CCS C Discussion Posted: Mon Aug 31, 2020 9:55 am Subject: I2C connection problem |
| Bus long is nearly 40 Cm
This slave is last device Voltage is 5 volts Master pic18f45k80 Slaves are pic18f25k80 Pull up resistors are 1.5K Pull down caps 100pF Bus speed is slow MASTER C ... |
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| Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
Forum: General CCS C Discussion Posted: Mon Aug 31, 2020 12:34 am Subject: I2C connection problem |
| Hello dude
Thanks for your quick response. My 3 slaves are different in PCB. But i2c slave program (lNT_SSP) is similar. This problem is happening just for one of the slaves. Other slaves work w ... |
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| Topic: I2C connection problem |
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| Mojtaba-s Replies: 9 Views: 21522 |
Forum: General CCS C Discussion Posted: Sun Aug 30, 2020 1:28 pm Subject: I2C connection problem |
| Hello guys !
I have an I2C network containing one master and 3 slaves by pic18f25K80. They work correctly but sometimes one of slaves pulled down SDA pin. So master hang or reset regularly by WDT. T ... |
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