Update PROGMEM.adoc #787
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Update PROGMEM.adoc #787
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The strings have to be in flash whether they are loaded at start up (the default) or when needed. Hence using embed or the F macro should have no impact on the flash use. There is a very small time penalty, about 1 clock cycle per character + a function call I expect, but I don't know enough about how the Atmega works to be certain.
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Note that this PR partially addresses issue #739. |
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I updated issue #739, as it has been partially fixed by this pull request. |
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The strings have to be in flash whether they are loaded at start up (the default) or when needed. Hence using embed or the F macro should have no impact on the flash use. There is a very small time penalty, about 1 clock cycle per character + a function call I expect, but I don't know enough about how the Atmega works to be certain.