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PIC 18F4580 Problems [solved]
#16
So i figured it out! The Problem was not with your boot loader but with the initialization of the pic chip. i misread the schematic which has a 100k pull up resistor on the rs232 chips enable pin. i assumed that the pin was active high but the pin is actually active low and must be pulled low by the chip... my firmware application somehow does this automatically because i am not telling it to ground that pin connected to the enable pin... so after adding that bit of code to pull it low, success! it always turns out to be something easy and obvious in the end Big Grin

Thanks for the help and thanks for making a great boot loader!
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Messages In This Thread
PIC 18F4580 Problems [solved] - by LMS_EE - 2010-11-23, 22:45:13
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-11-24, 21:17:07
RE: PIC 18F4580 Problems - by Lotusx - 2010-11-24, 21:18:10
RE: PIC 18F4580 Problems - by LMS_EE - 2010-11-24, 22:00:30
RE: PIC 18F4580 Problems - by Lotusx - 2010-11-24, 22:17:36
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-11-24, 22:49:46
RE: PIC 18F4580 Problems - by LMS_EE - 2010-11-29, 15:06:09
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-11-29, 19:15:36
RE: PIC 18F4580 Problems - by LMS_EE - 2010-11-29, 20:42:44
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-11-29, 21:04:38
RE: PIC 18F4580 Problems - by Lotusx - 2010-11-29, 22:31:46
RE: PIC 18F4580 Problems - by LMS_EE - 2010-11-30, 15:30:14
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-11-30, 21:56:54
RE: PIC 18F4580 Problems - by LMS_EE - 2010-12-01, 14:56:33
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-12-02, 22:16:44
RE: PIC 18F4580 Problems - by LMS_EE - 2010-12-09, 14:55:49
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2010-12-09, 21:13:53
RE: PIC 18F4580 Problems - by oktayk - 2011-02-15, 13:58:59
RE: PIC 18F4580 Problems - by Mikael Gustavsson - 2011-02-15, 16:42:31

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