Author |
Message |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Thu Jul 01, 2004 5:33 pm Subject: The answer! - Thanks to CCS Support. |
Thanks to CCS tech support for the following:
The #ID CHECKSUM directive spreads the checksum as
follows in memory <PIC18F1X20>:
0x200000....checksum hexadecimal character #1 in the low ... |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Thu Jul 01, 2004 2:37 pm Subject: V3.202 compiler no difference in result. |
Just updating the post, the compiler update did not change anything. |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Thu Jul 01, 2004 1:25 pm Subject: #ID AND CHECKSUM continued......it keeps getting hairy-r |
Let me go back and give a little more detail first.....
My goal is to be able to identify the current programming of the processor via a run time function that will read the same checksum value tha ... |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Wed Jun 30, 2004 8:33 pm Subject: #ID CHECKSUM - ID Location Registers in PIC18F |
In the last post, I noted that the data values are separated
:020000040020DA
:08 0000 00 01F0 09F0 07F0 0AF0 1D
?indicating that there appear to be 16 bits in the id memory locations 200000. ... |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Wed Jun 30, 2004 5:37 pm Subject: READ THE THREAD |
BTW, read the thread. Doing it from inside the program will probably work by using romCheck=getenv("ID")?
First, the format of the hex file:
In extended addressing mode I have not found any exampl ... |
Topic: #ID CHECKSUM - ID Location Registers in PIC18F |
robroy_1
Replies: 7
Views: 20969
|
Forum: General CCS C Discussion Posted: Wed Jun 30, 2004 5:14 pm Subject: #ID CHECKSUM - ID Location Registers in PIC18F |
Hello;
I have looked at prev posts on this and have not found my answer. More than likely I have not looked hard enough.
I am using CCS v3.178 compiler, MPLAB 6.51, ccsmplab plugin v6.
I have ... |
Topic: PIC18FXX20 NEW POWER MGMT MODES, ANY PRIOR EXP? |
robroy_1
Replies: 2
Views: 13296
|
Forum: General CCS C Discussion Posted: Wed Oct 08, 2003 6:01 pm Subject: PIC18FXX20 NEW POWER MGMT MODES, ANY PRIOR EXP? |
HELLO;
I AM LOOKING AT THE 18F1320 SPECIFICALLY AT THE NEW POWER MANAGEMENT MODES USING THE INTERNAL RC. I AM INTERESTED IN HALTING THE PROCESSOR BUT KEEPING TIMER1 COUNTING AT A 31.5KHZ RATE. IT ... |
Topic: MPLAB EEPROM Window, Cannot see 16F877 Internal EEPROM val's |
robroy_1
Replies: 2
Views: 14875
|
Forum: General CCS C Discussion Posted: Tue Oct 07, 2003 7:20 pm Subject: Of course I would figure it out just after posting......oh w |
Thanks for reading. Hope this helps anyone who is interested.
Apparently when the MPLAB folks say to need to read the EEPROM they are talking about reading it with the PROGRAMMER. So after you prog ... |
Topic: MPLAB EEPROM Window, Cannot see 16F877 Internal EEPROM val's |
robroy_1
Replies: 2
Views: 14875
|
Forum: General CCS C Discussion Posted: Tue Oct 07, 2003 6:44 pm Subject: MPLAB EEPROM Window, Cannot see 16F877 Internal EEPROM val's |
Hello;
I do not think I have a problem writing/reading to EEPROM with PIC16F877 in PICDEM2+ however when I look at the EEPROM window in MPLAB I cannot see the real (or my imagined) contents of th ... |
|