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Doubts about the strings and pointers
Hello all!   I am doing a sketch to communicate wil a GSM modem to control 2 relays and see their status. I use a lot of string function like strstr(), strtok(), strcpy(),...
Monday, 8 June 2015 - 16:25
Passing a Vector (string) to a functions
Hello all,   Please I need your Help, because I am a beginner in C and also didn't get it in the Arduino forum.   I am trying to control a GSM modem to send and...
Wednesday, 3 June 2015 - 17:37
Error: Can not find include file
Hello all! First of all I want to apologize for the the below question, because, it may be very elementary, but, in reality I do now know how to solve it. I have not been using...
Friday, 10 August 2012 - 11:43
Several Problems (breakpoints do not , no single step, etc.)
Hello all, I did a telemetry prototype PCB for an airmodel, and later introduce some additional features with some extra wiring. Wrote the code and everything was working without...
Wednesday, 29 February 2012 - 20:28
How to convert a string using the function "atof"
Hello all! Can some one please give me a simple example of "atof" function use. I want to convert a string like this char s[]="11.1994"; to a float. Your help is appreciated...
Thursday, 19 January 2012 - 12:33
How to write/read a float variable to EEPROM
Hello all, I need to save a float variable to the EEPROM and I give a look to AVR-libc, but, I am starting to learn C, so, I do not understand how to use it. void...
Thursday, 24 November 2011 - 00:28
Wrong value reading ADC
Hello all. I am using the ATmega644P and 5 ADC inputs for reading several analog voltages. When I read 100mV if I convert the the analog reading into volts again I have a...
Wednesday, 12 October 2011 - 11:51
How to use a library (a kind of)
Hello all, First let say that I am learning C (just beginner) and I do not know how to use the WinAvr. I only use the AVRStudio. I am making a small project, and I need a graphic...
Saturday, 17 September 2011 - 21:50
ADC reading problems
Hello all! I was using a routine to read the ADC, it worked for several hours/days without any problem. I decided to add a Watchdog vector interrupt to read the ADC with an...
Thursday, 15 September 2011 - 23:03
Data Parsing
Hello All, First of all I want to say that I am learning C (I am a beginner). For you understand the nature/goals of the program, I am going to give a small explanation. I am...
Tuesday, 6 September 2011 - 00:47
How to setup a library
Hellow all, I am starting to learn C programing and I want to use a library for the Nokia LCD 3310/5110. I got the attached files . How to setup them to make a liabrary. I am...
Wednesday, 6 July 2011 - 16:11
Function that is not working
Hello all! In spite of being registered some time ago, most of what I have done was in assembly. I am trying to learn C, but it has been difficult to me. I wrote a function to...
Tuesday, 28 June 2011 - 15:04

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