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write(), print(), and println() now return number of bytes written.

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The type is long, and negative values indicate errors.  Needs more testing.
http://code.google.com/p/arduino/issues/detail?id=551
This commit is contained in:
David A. Mellis
2011-08-23 19:12:03 -04:00
parent b788ad593f
commit 8059abe581
24 changed files with 290 additions and 174 deletions
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3
libraries/LiquidCrystal/LiquidCrystal.cpp
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@ -258,8 +258,9 @@ inline void LiquidCrystal::command(uint8_t value) {
send(value, LOW);
}
inline void LiquidCrystal::write(uint8_t value) {
inline long LiquidCrystal::write(uint8_t value) {
send(value, HIGH);
return 1; // assume sucess
}
/************ low level data pushing commands **********/