Simulator - Debug - Variables

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EllenR
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Posted by EllenR: Thu. Mar 14, 2019 - 08:03 PM
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Hello,

I`m new here.

What is the reason I cannot see the correct Content of patternQPI in Watchwindow?

thanks Ellen

 

/*
 * MyFirstProg.c
 *
 * Created: 07.03.2019 15:25:11
 * Author : User2 
 *
 */ 

#define F_CPU 160000000
#include <avr/io.h>


uint8_t QPI[] = { 0x51, 0x50, 0x49, 0xBE, 0x0A, 13 };	// Life request to device

char patternQPI[] = "(PI30";     // (PI30 <crc> 0D  > Response */
int val1 = 0xff00;

int main(void)
{al1 = QPI[2];
    while (1) 
    {
	val1 = val1 << 1;
	if (val1 < 0) val1 = 0xeeee;
	}
return(0);
}

Appendix sreenshot

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This topic has a solution.

Senior electrical engineer

Tags:

Tools, Atmel Studio (AVR-related), solved
Last Edited: Fri. Mar 15, 2019 - 01:14 PM
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jgmdesign
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Posted by jgmdesign: Thu. Mar 14, 2019 - 08:24 PM
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Change char to uint8_t

Jim

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Last Edited: Thu. Mar 14, 2019 - 08:25 PM
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meolsen
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This reply has been marked as the solution. 
Posted by meolsen: Thu. Mar 14, 2019 - 08:42 PM
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No, don't change to uin8_t, use an expression formatter.

 

(TL;DR watch patternQPI,s for a string representation, or patternQPI,c as a char)

Also, note that this data is already erased from your program due to the linker garbage collecting it. Either use the array, or turn of garbage collection in the Project Propertes/Toolchain/Linker/Optimization/Garbage Collect unused sections.

:: Morten

 

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Last Edited: Thu. Mar 14, 2019 - 08:48 PM
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EllenR
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Posted by EllenR: Fri. Mar 15, 2019 - 01:15 PM (Reply to #3)
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Now it works.

Thank You

Senior electrical engineer

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meolsen
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Posted by meolsen: Fri. Mar 15, 2019 - 01:55 PM
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... just remember to turn the garbage collection back on... You really want it to remove dead code and data.

:: Morten

 

(yes, I work for Microchip, yes, I do this in my spare time, now stop sending PMs)

 

The postings on this site are my own and do not represent Microchip’s positions, strategies, or opinions.

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