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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| 16F18324 EEPROM verification error with programming |
 Posted: Thu Jan 26, 2017 4:28 am |
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CCS version: 5.062
I'm getting an verification error on the first 7 addresses with programming the following program:
| Code: |
#include <16F18324.h>
#FUSES RSTOSC_HFINTRC_PLL,NOWDT
#FUSES NOPUT,NOMCLR,NOPROTECT,NOCPD,BROWNOUT,BORV24
#FUSES NOCLKOUT,PUT
#FUSES NOFCMEN
#FUSES NOSTVREN,NODEBUG,NOLVP
/*
#rom 0xF000 = { 52}
#rom 0xF001 = { 14}
#rom 0xF002 = {212}
#rom 0xF003 = {102}
#rom 0xF004 = {0x01}
#rom 0xF005 = {0x10}
#rom 0xF006 = {0x11}
*/
#ROM int8 getenv("EEPROM_ADDRESS") = {52,14,212,102,0x01,0x10,0x11}
main()
{
}
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| Code: |
Verification results:
Datastorage:
Adress Actual Expected
0000 00 34
0001 00 0E
0002 00 D4
0003 00 66
0004 00 01
0005 00 10
0006 00 11
Configuration Fuse:
Actual Expected
1 2977 0907
2 3AEF 2AE0
3 2003 0003
4 0003 0003
Actual Expected
NOLPBOR NOLPBOR
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If I remove the #rom line the verification error is gone. Does anyone know why do I get this verification error? |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19520
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| Posted: Thu Jan 26, 2017 5:30 am |
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What programmer?.
The verification error is going to be from your programmer.
Could be something silly, like the write protect fuse is set on the EEPROM, and the programmer is not setup to write the config, so can't turn it off.
Or you could just have a chip with a faulty eeprom.
What happens if you tell the programmer to erase the chip fully, then go into it and manually enter some data into the eeprom, and write this?. |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Thu Jan 26, 2017 5:45 am |
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Programmer is ICD-U64 from CCS.
I've also tried a new processor, but didn't make sense.
If I look in the FUSES in CCSload I have
Program memory NOT write protected = ON
Code protected from read = OFF
Data EEPROM Code protected = OFF
So it seems that the fuses are transformed right from .hex to CCSload. |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19520
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| Posted: Thu Jan 26, 2017 6:20 am |
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Fractionally missing the point on the fuses.
Your code has these off, but if the chip has the EEPROM protection 'set', and the programmer is not set to turn them off, then you won't be able to write the EEPROM. If you are using CCSload, in the top right corner of the first screen, there is an 'options' box. There needs to be a tick box in the 'config bits' box, and the Data EE box. Without the 'config' one, if the chip was protected, the config won't be written to turn this off. |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Thu Jan 26, 2017 6:51 am |
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| In the options box both "Data EE" and "Config bits" are ticked. |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19520
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| Posted: Thu Jan 26, 2017 7:16 am |
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OK. It certainly ought to write. What software version in CCSLoad?.
I've had a lot of issues with newer chips sometimes needing the software updated, or having to talk to CCS to get the programming right.
If you look at the lst file, the data is being put into the right addresses in the file, so should work. |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Thu Jan 26, 2017 7:32 am |
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CCSload version is 5.032
I see there is version 5.037 available, so I tried this version after updating, but still get verification error. |
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newguy
Joined: 24 Jun 2004
Posts: 1908
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| Posted: Thu Jan 26, 2017 8:46 am |
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My experience has been that if your programmer is "old", then using the latest CCS FW for it can cause issues like what you're seeing. Try rolling back the programmer's FW to an earlier version and see if the problem goes away.
I've found that new FW revs aren't necessarily 100% backward compatible with early hardware revs. |
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samjith
Joined: 24 Aug 2016
Posts: 6
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| Similar issue with PIC18F4620 |
| Posted: Thu Jan 26, 2017 9:23 am |
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Using an example program from CCS (EX_INTEE). The program uses #ROM directive to use the internal EEPROM.
Using CCS LOAD v5.036 and compiler version PCH v5.061
I am getting verification errors for selecting to write Data EE and Config bits.
Address Actual Expected
0000 FF 01
0001 FF 02
0002 FF 03
0003 FF 04
Program:
| Code: | #elif defined(__PCH__)
#define EEPROM_START getenv("EEPROM_ADDRESS")
#ROM int EEPROM_START = {1}
#ROM int EEPROM_START+1 = {2}
#ROM int EEPROM_START+2 = {3}
#ROM int EEPROM_START+3 = {4}
void main() {
unsigned int8 i, j, address;
do {
printf("\r\n\nEEPROM:\r\n"); // Display contents of the first 64
for(i=0; i<=3; ++i) { // bytes of the data EEPROM in hex
for(j=0; j<=15; ++j) {
printf( "%2x ", read_eeprom( i*16+j ) );
}
printf("\n\r");
}
printf("\r\nLocation to change: ");
address = gethex();
printf("\r\nNew value: ");
value = gethex();
write_eeprom( address, value );
} while (TRUE);
}
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The same program with same versions of compiler, debugger, and CCS LOAD works fine on PIC18F6720.
Also ending up with same problems with PIC18F67K90.
Although there are no verification errors if you try to write the Data EE along with Program memory. |
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jeremiah
Joined: 20 Jul 2010
Posts: 1349
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| Posted: Thu Jan 26, 2017 9:54 am |
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| What are the hardware and firmware revs of your programmer (should be in the Diagnostics tab of CCSLoad)? |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Thu Jan 26, 2017 10:02 am |
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Software: 5.037
Firmware: 3.18
Hardware: Rev3
Tommorrow I will try a different ICD-U64. |
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samjith
Joined: 24 Aug 2016
Posts: 6
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| HW/FW Revisions on ICD |
| Posted: Thu Jan 26, 2017 10:03 am |
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Currently I am testing this issue using 2 ICD's: ICD-U64 and the recent one ICD-U80
ICD-U64: FW 2.93 HW Rev1 SW 5.036 - with this version the following things works fine:
1. If you select Data EE and Config bits alone it works fine on PIC18F6720 but fails on PIC18F4620 and PIC18F67K90. Although selecting to write ALL (Program Memory, Data EE, and Config Bits) works fine on all three chips
ICD-U80: (using from different computer): FW 3.19 HW Rev1 SW 5.035 - with this version any code that has #ROM defined fails with verification errors on all three different chips (even after selecting to write Program Memory, Data EE, and Config Bits).. |
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samjith
Joined: 24 Aug 2016
Posts: 6
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| HW/FW Revisions on ICD-U80 |
| Posted: Thu Jan 26, 2017 10:53 am |
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quick update after updating the versions to most recent.
Using ICD-U80 FW 3.20 HW Rev1 SW 5.037
Now after updating to this version. Data EE verification passes after checking Program Memory in ccsload. But still fails verification when only Data EE and config bits are checked.
Tried by erasing the entire chip and selecting just Data EE and config bits ..still did not work on PIC18F4620 and PIC18F67K90 but works fine on PIC18F6720. |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Fri Jan 27, 2017 9:56 am |
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After trying to program with a different ICD-U64 it was successful (rev3, firmware 3.14). So I tried a new controller and tried to program with my own programmer with hardware rev.3 and firmware 3.18 and it was successful. So very strange.
Need to do some extra testing... |
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mvanvliet
Joined: 02 Jun 2009
Posts: 123
Location: The Netherlands
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| Posted: Mon Feb 06, 2017 1:55 am |
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It is still not working, the previous succes was without the EEPROM so not a solution.
I've emailed CCS support, maybe they know a solution. |
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