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0xffffff80

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Bitmask (Bits) Dotted Decimal Hexadecimal Binary /0 0.0.0.0 0x00000000 00000000 00000000 00000000 00000000 /1 128.0.0.0 0x80000000 10000000 00000000 00000000 00000000 /2 192.0.0.0 0xc0000000 11000000 00000000 00000000 00000000 /3 224.0.0.0 0xe0000000 11100000 I'm relatively new to Pinguino and absolutely new to this forum. This code, compiled for the Olimex Pinguino32 board, Code: void setup()
{
}

void loop()
{
char a = 0x7f;
char b = I like impossible!

Tools & Articles Monitor Calibration Social Networking for Small Business Choosing a Web Designer Web Safe Colours Choosing a Domain Name Netmask Tables Standard Ad Sizes QR Codes Social Site Specs This is not a bug in the printf() function, as the incorrect value is also used in all arithmetic operations (which caused me a lot of "wtf?"s). This discussion is locked            dbugg Level 1 (0 points) Q: 128(0xffffff80) Error in Diagnostics file The error 128(0xffffff80) appearsin the diagnostics file after I ahve burnt a CD. If I assign larger values, i.e. 0x80 and up, to the variables, they apparently get promoted to ints and the upper bits are filled with '1's. http://www.pawprint.net/designresources/netmask-converter.php

0xffffff00 Color

All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use.  Apple Support Communities More ways to shop: Visit an Apple You can not post a blank message. Can anybody help me finding out what the underlying cause for this bug is, and how to fix it? Please forgive me if I'm using the wrong medium for this bug report / question.

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Thank you! However tracks 1 and 2 play with no problem. Subnet Mask Table Ads ---------------------------------------------------------- Subnet Mask: 255.255.255.0 Hex Mask: 0xffffff00 Subnet Bits: 24 Host Bits: 8 Number of Subnets: 1 Hosts per Subnet: 254 Network Address IP Range Broadcast Address FrontpageReturn home BrowseBy topic AboutMe and This Blog ResumeMy Job, My Life SubscribeRSS feed Life Diario History Bed-Thoughts Computer General Mobile Tech AIX Cisco Daemon Linux Mac OS X Networking Scripting

It contains common IPv4 netmasks expressed in four different formats. Bitmask Converter Apple Footer This site contains user submitted content, comments and opinions and is for informational purposes only. Linear ModeThreaded Mode …Details… Thoughts that's escape, only details. Can anybody help me finding out what the underlying cause for this bug is, and how to fix it?

Subnet Mask To Binary Calculator

clarification: the following code works as expected. All rights reserved. 0xffffff00 Color I suspect some sort of limit has been reached within the application, why tracks 1 and 2 OK on both CD's and the rest rubbish. 0xffff0000 To Decimal I was absolutely sure that assignment of 0x80 to a char would only set the bits, not involve any integer promotion.

I was absolutely sure that assignment of 0x80 to a char would only set the bits, not involve any integer promotion. Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search apple.com Shopping Bag : CommunitiesSign inPostBrowse discussionsContact SupportSearchCommunitiesContact SupportSign inContentPeopleSearch Support CommunitiesiTunesiTunes for Windows Please You need to change char a = 0x7f; char b = 0x80; to unsigned char a = 0x7f; unsigned char b = 0x80; to get the desired result. Code: void setup()
{
}

void loop()
{
int a = 0x7f;
int b = 0x80;
CDC.printf("a: %x - 0xff000000 In Decimal

clarification: the following code works as expected. Find Reply « Next Oldest | Next Newest » View a Printable Version Subscribe to this thread Forum Jump: Private Messages User Control Panel Who's Online Search Forum Home General -- Tag Cloudaix apache asterisk bash boot cable catalyst centos cisco command line debian exim export ibm interface ios ipv6 iso language linux mac os x milano mount mysql netmonitor package partition However when I burn this one now I get the same symptoms.

This has only occurred after the last CD purchased form iStore. 0xfffffff0 To Decimal You need to change char a = 0x7f; char b = 0x80; to unsigned char a = 0x7f; unsigned char b = 0x80; to get the desired result. (20-08-2012, 04:36 PM)raphman It is so obvious now.

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Please type your message and try again. This code, compiled for the Olimex Pinguino32 board, Code: void setup()
{
}

void loop()
{
char a = 0x7f;
char b = I have also upgarded to 7 no luck there either. 0xfffffffc To Decimal Remember me Pinguino Forum › Software › Bugs & Suggestions « Previous 1 ... 3 4 5 6 7 Next » "char a = 0x80;" results in "a == 0xffffff80" Thread

Code: void setup()
{
}

void loop()
{
int a = 0x7f;
int b = 0x80;
CDC.printf("a: %x - Website Find Reply 20-08-2012, 06:39 PM, #4 gregoryfenton Junior Member Posts: 30 Threads: 4 Joined: Feb 2012 RE: "char a = 0x80;" results in "a == 0xffffff80" Glad I could help This is not a bug in the printf() function, as the incorrect value is also used in all arithmetic operations (which caused me a lot of "wtf?"s). Any suggs=estions application side welcome.

Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic United States Copyright © Apple Inc. However, I would like to use chars, not ints. Privacy Policy Terms of Use Sales and Refunds Legal Site Map Contact Apple

An unsigned char is a good fix! Subnet mask represented in dotted decimal and in hex The number of bits in the network and host portions The number of subnets and the number of hosts per subnet Each Tracks 3 onwards are distrted or unplayable. Boards: Arduino uno full, 2009 barebones * Arduino version: 1.0.3 beta * Processing version: 2.-0a4 PIC32-Pinguino MX440F rev.

John Find Reply 22-08-2012, 01:18 PM, #6 raphman Junior Member Posts: 8 Threads: 2 Joined: Aug 2012 RE: "char a = 0x80;" results in "a == 0xffffff80" (21-08-2012, 07:31 PM)pingotg Wrote: Baker advertizement Web Design ServicesResourcesSEOF.A.Q. If I assign larger values, i.e. 0x80 and up, to the variables, they apparently get promoted to ints and the upper bits are filled with '1's. Leave a Reply ×Cancel reply You must be logged in to post a comment.

That's what I meant to write instead of what I actually wrote Website Find Reply 22-08-2012, 02:50 PM, #7 pingotg Posting Freak Posts: 908 Threads: 6 Joined: Nov 2011 RE: "char It provides the following information. I see a lot of hints about firmware and re-installing etc which have not worked for anyone yet so do not want to go there. Please forgive me if I'm using the wrong medium for this bug report / question.

In my specific case, integer promotion already happened somewhere else in the code which produced extremely strange behavior. c * Pinguino version: svn latest x.3 STM32F-Discovery Arduino shields: W5100 Ethernet and SD OS: ubuntu 12.10 64 bit Find Reply 21-08-2012, 07:31 PM, #5 pingotg Posting Freak Posts: 908 Threads: However, I would like to use chars, not ints. In C, a char may or may not be sign-extended (compiler decides; this one does it by default), so you have to code to make it work either way.

c * Pinguino version: svn latest x.3 STM32F-Discovery Arduino shields: W5100 Ethernet and SD OS: ubuntu 12.10 64 bit Find Reply 20-08-2012, 06:04 PM, #3 raphman Junior Member Posts: 8 Threads: