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Merge remote-tracking branch 'arduino/master' into ide-1.5.x

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Cristian Maglie
2014-07-24 14:46:05 +02:00
parent 32c6f8c746 6119788575
commit ec1cacefb6
2 changed files with 3 additions and 1 deletions
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2
examples/HelloWorld/HelloWorld.ino
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@@ -17,6 +17,8 @@
* LCD D6 pin to digital pin 3 * LCD D6 pin to digital pin 3
* LCD D7 pin to digital pin 2 * LCD D7 pin to digital pin 2
* LCD R/W pin to ground * LCD R/W pin to ground
* LCD VSS pin to ground
* LCD VCC pin to 5V
* 10K resistor: * 10K resistor:
* ends to +5V and ground * ends to +5V and ground
* wiper to LCD VO pin (pin 3) * wiper to LCD VO pin (pin 3)

2
src/LiquidCrystal.cpp
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@@ -96,7 +96,7 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION! // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V // according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50 // before sending commands. Arduino can turn on way before 4.5V so we'll wait 50
delayMicroseconds(50000); delayMicroseconds(50000);
// Now we pull both RS and R/W low to begin commands // Now we pull both RS and R/W low to begin commands
digitalWrite(_rs_pin, LOW); digitalWrite(_rs_pin, LOW);