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It would help if you posted code and schematics of both situations (hardware and software I2C attempts). Also, to debug I2C effectively, you'd need a logic analyzer or at very least an oscilloscope.Ricardo– Ricardo2015-07-20 16:50:09 +00:00Commented Jul 20, 2015 at 16:50
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What do you get on the serial output?Gerben– Gerben2015-07-20 18:04:58 +00:00Commented Jul 20, 2015 at 18:04
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Initializing ... Device does not respond Cannot address reg 0 SDA - SCL 0 0 Raw values: chan0=65535 SDA - SCL 0 0ONSC– ONSC2015-07-20 18:34:01 +00:00Commented Jul 20, 2015 at 18:34
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actually i should get the ohur:minute:second day/month/year that i can get in hardware twi,ONSC– ONSC2015-07-20 18:35:25 +00:00Commented Jul 20, 2015 at 18:35
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i ve removed some of code, just before he stop function , i get the pinstate to whats happening, so that output is showedONSC– ONSC2015-07-20 19:18:57 +00:00Commented Jul 20, 2015 at 19:18
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