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| Search found 97 matches |
| Author | Message |
|---|---|
 Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
 Forum: General CCS C Discussion Posted: Wed Jan 03, 2024 7:16 am Subject: Out of ROM, A segment or the program is too large |
| Thank you, Ttelmah. I see your point.
For a moment, I forgot that RAM is volatile memory. |
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| Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
Forum: General CCS C Discussion Posted: Wed Jan 03, 2024 5:39 am Subject: Out of ROM, A segment or the program is too large |
| I have managed to get the ROM usage down to 95% (from 100%) by doing the following (I have “opt compress” in my code).
1. Abbreviating some text in fprintf() statements. 2. Consolidating sequent ... |
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| Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
Forum: General CCS C Discussion Posted: Tue Jan 02, 2024 12:39 am Subject: Out of ROM, A segment or the program is too large |
| Thank you, Newguy and Ttelmah. Yes, the example helps.
1. If I am passing a string constant declared in an array, I will not need to use the directive “#device PASS_STRINGS=IN_RAM”. Is this cor ... |
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| Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
Forum: General CCS C Discussion Posted: Mon Jan 01, 2024 3:51 am Subject: Out of ROM, A segment or the program is too large |
| Thank you, everyone, for your ideas.
So far, by shortening the text in fprintf statements by using abbreviations for some words, I have managed to get the ROM usage down to 97% (not much, but at le ... |
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| Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
Forum: General CCS C Discussion Posted: Sat Dec 30, 2023 7:20 am Subject: Out of ROM, A segment or the program is too large |
| Thank you, Ttelmah and Temtronic.
My code can now compile, but with 99% ROM usage (I removed a function that is not called): Memory usage: ROM=99% RAM=61% - 67% I am still looking into h ... |
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| Topic: Out of ROM, A segment or the program is too large |
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| kgng97ccs Replies: 18 Views: 17068 |
Forum: General CCS C Discussion Posted: Sat Dec 30, 2023 3:33 am Subject: Out of ROM, A segment or the program is too large |
| I am using the PIC18LF46K22 MCU, MPLAB IDE v8.92, and CCS C compiler v5.115.
I am referencing this helpful reply from Ttelmah regarding optimizing code (https://ccsinfo.com/forum/viewtopic.php?t=59 ... |
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| Topic: Using the watchdog timer |
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| kgng97ccs Replies: 5 Views: 13074 |
Forum: General CCS C Discussion Posted: Wed Jun 28, 2023 1:56 am Subject: Using the watchdog timer |
| Thank you, Ttelmah.
1. Is there a CCS statement I can use to check, at any time, whether the watchdog timer is enabled (ON) or not (OFF)? 2. Is there a CCS statement I can use to check, at any t ... |
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| Topic: Using the watchdog timer |
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| kgng97ccs Replies: 5 Views: 13074 |
Forum: General CCS C Discussion Posted: Sun Jun 25, 2023 4:35 am Subject: Using the watchdog timer |
| Thank you, Ttelmah, for your input.
From some testing, I observed the following: 1. If NOWDT is explicitly placed in the fuses, there seems to be no way to turn ON the watchdog timer. 2. Once WDT ... |
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| Topic: Counting number of MCU resets |
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| kgng97ccs Replies: 8 Views: 15478 |
Forum: General CCS C Discussion Posted: Sat Jun 17, 2023 6:09 am Subject: Counting number of MCU resets |
| Thank you, Ttelmah.
1. Currently, button2 is used to perform a certain function if it is pressed for at least 3 seconds:timeout_ct = 0; while (input(button2_pin)==0 && timeo ... |
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| Topic: Counting number of MCU resets |
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| kgng97ccs Replies: 8 Views: 15478 |
Forum: General CCS C Discussion Posted: Fri Jun 16, 2023 10:34 pm Subject: Counting number of MCU resets |
| I am using the PIC18LF46K22 MCU, CCS C compiler v5.115, and MPLAB IDE v8.92.
I would like to count the number of resets that happen after a device has been put into operation. This number will be i ... |
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| Topic: Using the watchdog timer |
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| kgng97ccs Replies: 5 Views: 13074 |
Forum: General CCS C Discussion Posted: Sun Apr 16, 2023 4:51 am Subject: Using the watchdog timer |
| I am using the PIC18LF46K22 MCU and CCS C compiler v5.115 under MPLAB IDE v8.92.
I am trying to understand the various ways in which the watchdog timer for this MCU can be set up. Here is what I ... |
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| Topic: Using setup_spi |
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| kgng97ccs Replies: 3 Views: 11126 |
Forum: General CCS C Discussion Posted: Tue Apr 11, 2023 1:20 am Subject: Using setup_spi |
| Thank you, PCM Programmer and Ttelmah, for your input.
The SPI peripheral is fed with the master oscillator/4. The setup sets the prescaler _from this_. So selecting a prescaler of /4, sets the ... |
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| Topic: Using setup_spi |
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| kgng97ccs Replies: 3 Views: 11126 |
Forum: General CCS C Discussion Posted: Sun Apr 09, 2023 10:04 pm Subject: Using setup_spi |
| We have an old program that uses the PICF45K20 MCU and has the following statement:setup_spi(SPI_MASTER | SPI_CLK_DIV_4 | SPI_SS_DISABLED | SPI_L_TO_H);
Immediately after the statement, we se ... |
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| Topic: Minimizing accidental MCLR resets |
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| kgng97ccs Replies: 2 Views: 9261 |
Forum: General CCS C Discussion Posted: Sat Feb 04, 2023 12:29 am Subject: Minimizing accidental MCLR resets |
| I am using the PIC18LF46K22 MCU, MLAB IDE v8.92, and CCS C compiler v5.113.
Is there any way to make, through software, the MCU start an external reset only if the reset (MCLR) pin is low for a per ... |
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| Topic: Using bootloaders |
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| kgng97ccs Replies: 4 Views: 12660 |
Forum: General CCS C Discussion Posted: Sat Jan 28, 2023 4:51 am Subject: Using bootloaders |
| I am using the PIC18LF46K22 MCU, MPLAB IDE v8.92, and CCS C compiler v5.113.
I am new to bootloaders, and I am trying to understand what a bootloader can do in comparison with what I can do in MPLA ... |
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