tone command does not work correctly on ATmega8 [imported] #292
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jan-r
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Apr 10, 2015
Rebased the bugfix from the original Google Code issue arduino#292 to work with Arduino 1.6.x Description of original fix provided by Pete62: The later 8 bit AVR's use two registers (TCCRxA, TCCRxB) whereas the ATmega8 only uses a single register (TCCR2) to house the control bits for Timer 2. Bits were inadvertently being cleared.
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A fix for this issue has been proposed, see pull request #2961. |
jan-r
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Apr 13, 2015
Replaced direct register manipulation with calls to bitWrite(). Fixed TIMSK5 usage on Leonardo (as well as some other preprocessor statements).
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PR #2961 merged |
oriregev
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Apr 27, 2015
* upstream/master: (239 commits) Fix for issue arduino#292 Windows: build_pull_request needed to be upgraded as well Update revisions.txt Windows: JRE is chosen at build time via WINDOWS_BUNDLED_JVM property Update Tone.cpp Update revisions.txt Block discovery threads until packages is not null, otherwise boards discovered during startup will miss model name Also SerialDiscovery was affected by bug found at 40535df. Fixes arduino#2892 NetworkDiscovery was silently failing because packages werenìt ready yet. Fixes arduino#2837 Better preference for setting warnings level. See arduino@61592d7#commitcomment-10668365 SAM boards stop compiling due to way of handling params with spaces on different OSs. Fixed Update Tone.cpp Restored error messages. Got rid of MessageSyphon as ther were losing some error messages. Fixes arduino#2737 Windows: added listComPorts test case New preference: enable all compiler warnings, off by default. Fixes arduino#1728 and arduino#2415. Also affects arduino#2634 and arduino#2207 build.xml: spreading failonerror on all exec tasks, it's better to crash early Lib/Board Manager CRC check is now case insensitive. Fixes arduino#2953 License fix to audio library License fix Library Manager: better error message ...
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This is Issue 292 moved from a Google Code project.
Added by 2010-07-15T07:34:09.000Z by [email protected].
Please review that bug for more context and additional comments, but update this bug.
Original labels: Type-Defect, Priority-Medium
Original description
What steps will reproduce the problem?
What is the expected output? What do you see instead?
You can hear the melody correctly on a Arduino Duemilanove with ATmega328.
On a board with ATmega8 you can only hear one tone (NOTE_B3 I think??).
What version of the Arduino software are you using? On what operating
system? Which Arduino board are you using?
Arduino018 on Windows 7. myAVR USB MKII board with ATmega8 3.6864MHz Quarz.
Please provide any additional information below.
Only the following frequencies give a correct signal: 61Hz, 244Hz, 976Hz, 3.9KHz. Any other frequency gives no signal (PWM output signal measured with oscilloscope)
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