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 Posted: May 22, 2012 - 03:03 AM |
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Joined: Sep 29, 2002
Posts: 31
Location: Chicago,Il USA
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I'm using WinAVR with Programmer's Notepad how can I select Warning are errors mode. Would it be an option in the make file?
Thanks
Don |
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Posted: May 22, 2012 - 03:50 AM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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I'm not familiar with Programmers Notepad but if the makefile calls avr-gcc.exe then just add -Werror to the line that invokes the compiler.
It's probably better if you can post the makefile, or the lines that call avr-gcc.exe, just to check. |
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Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 22, 2012 - 08:58 AM |
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Joined: Mar 27, 2002
Posts: 18554
Location: Lund, Sweden
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Quote:
I'm using WinAVR with Programmer's Notepad how can I select Warning are errors mode. Would it be an option in the make file?
Yes.
Details depends on the makefile you use. |
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Posted: May 28, 2012 - 04:58 PM |
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Joined: Nov 11, 2003
Posts: 3882
Location: Chicago Illinois USA
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Now I'm trying to put the array of pointers in progmem:
Code:
const char Scale0[] PROGMEM = "1:20.3";
const char Scale1[] PROGMEM = "1:22";
const char Scale2[] PROGMEM = "1:24";
const char Scale3[] PROGMEM = "1:29";
const char Scale4[] PROGMEM = "1:32";
char* ScaleText [] PROGMEM = { Scale0, Scale1, Scale2, Scale3, Scale4};
But the compiler says ScaleText has to be constant. So I add const:
Code:
const char Scale0[] PROGMEM = "1:20.3";
const char Scale1[] PROGMEM = "1:22";
const char Scale2[] PROGMEM = "1:24";
const char Scale3[] PROGMEM = "1:29";
const char Scale4[] PROGMEM = "1:32";
const char* ScaleText [] PROGMEM = { Scale0, Scale1, Scale2, Scale3, Scale4};
But winavr still complains that ScaleText has to be constant to put in program memory. I tried telling it, but it just doesn't understand me.
Off to Memorializing activities with me! I'm the first disqualified of a long line of army veterans. (After I get the code tags right.) |
_________________
Discursive design,
Torby
Some days, it's just not worth chewing through the restraints.
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Posted: May 28, 2012 - 05:01 PM |
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Joined: Dec 16, 2005
Posts: 3087
Location: Bratislava, Slovakia
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Code:
const char* const ScaleText [] PROGMEM = { Scale0, Scale1, Scale2, Scale3, Scale4};
The first const says, you are pointing to a variable which is not going to change. The second const says that the pointer is not going to change either.
JW |
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Posted: May 28, 2012 - 05:21 PM |
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Joined: Mar 27, 2002
Posts: 18554
Location: Lund, Sweden
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Put
explain const char* const ScaleText []
into a Cdecl online server.
Then play around a bit, remove and add "const" at different places. |
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Posted: May 28, 2012 - 05:32 PM |
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Joined: Dec 16, 2005
Posts: 3087
Location: Bratislava, Slovakia
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JohanEkdahl wrote:
I am not the only C-Hater, then?
JW |
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Posted: May 28, 2012 - 05:34 PM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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JohanEkdahl wrote:
Put
explain const char* const ScaleText []
into a Cdecl online server.
Then play around a bit, remove and add "const" at different places.
Wow, Johan, you've given me a tool I didn't know about. Thank you for this post.  |
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Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 28, 2012 - 05:49 PM |
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Joined: Mar 27, 2002
Posts: 18554
Location: Lund, Sweden
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| Chances are you actually have a commald-line based cdecl on your hard drive.. |
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Posted: May 28, 2012 - 06:16 PM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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JohanEkdahl wrote:
Chances are you actually have a commald-line based cdecl on your hard drive..
Maybe in one of my linux VMs, not on any of my hard drives and there is a ton of historic, read "very old and useless", stuff there. Is there a version that will run from from the command line or powershell that is compatible with Win7, or do I need cygwin or something like that? |
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Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 28, 2012 - 06:23 PM |
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Joined: Jul 23, 2001
Posts: 2438
Location: Osnabrueck, Germany
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larryvc wrote:
Wow, Johan, you've given me a tool I didn't know about. Thank you for this post.
E.g.
int volatile i; -> syntax error |
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Stefan Ernst
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Posted: May 28, 2012 - 07:07 PM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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sternst wrote:
But keep in mind that it is not always correct.
E.g.
int volatile i; -> syntax error
But it does work as this:
volatile int i; -> declare i as volatile int |
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Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 28, 2012 - 07:25 PM |
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Joined: Jul 23, 2001
Posts: 2438
Location: Osnabrueck, Germany
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larryvc wrote:
But it does work as this:
volatile int i; -> declare i as volatile int
So what? That does not change the fact that the response to "int volatile i;" is wrong. |
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Stefan Ernst
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Posted: May 28, 2012 - 07:51 PM |
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Joined: Mar 27, 2002
Posts: 18554
Location: Lund, Sweden
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Quote:
Maybe in one of my linux VMs
Darn, I had a clear memory of that it actually came with the WinAVR installation, but no..
Then it must have been that I downloaded the source and built it. In Visual Studio. (I.e. no CygWin, no MinGW). |
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Posted: May 28, 2012 - 08:04 PM |
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Joined: Jan 08, 2009
Posts: 1153
Location: Lund, Sweden
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| As clawson said recently,
Code:
sudo apt-get install cutils
if you're using something like debian or ubuntu. |
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Posted: May 28, 2012 - 08:14 PM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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Yeah, I was looking for one in windows as mentioned above.
Thanks anyways. |
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Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 28, 2012 - 08:24 PM |
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Joined: Jan 08, 2009
Posts: 1153
Location: Lund, Sweden
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| Yes, I realize that now, I read too fast,
Quote:
Maybe in one of my linux VMs
I thought that meant that you looked there and didn't find it. I now see that you probably meant "It may be there, but I want a Windows version". |
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Posted: May 29, 2012 - 12:17 AM |
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Joined: Nov 11, 2003
Posts: 3882
Location: Chicago Illinois USA
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Wow, at the speed of light, from far away Slovakia, the answer comes while I'm out playing with trains in a beautiful garden. Now the compiler is happy. Wonder if the silly program works. Oh, still need to....
(I'm not really hot on C either, but the world abandoned Pascal and Modula years ago.) |
_________________
Discursive design,
Torby
Some days, it's just not worth chewing through the restraints.
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Posted: May 30, 2012 - 07:28 PM |
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Joined: Dec 06, 2007
Posts: 2512
Location: Redmond, WA USA
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sternst wrote:
larryvc wrote:
But it does work as this:
volatile int i; -> declare i as volatile int
So what? That does not change the fact that the response to "int volatile i;" is wrong.
Sorry Stefan, I missed this.
I really meant to say that it worked for one and not the other. I was not questioning your statement above as I agree with it. |
_________________
Larry
Those afraid to embrace the future will quickly fade into the past. - larryvc
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Posted: May 31, 2012 - 02:47 PM |
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Joined: Nov 11, 2003
Posts: 3882
Location: Chicago Illinois USA
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| No! I don't want to read this! I'll be putting "volatile" in the wrong place for the rest of my life! |
_________________
Discursive design,
Torby
Some days, it's just not worth chewing through the restraints.
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