WiFiSwitch/src/WiFiSwitch/lib/LiquidCrystal_I2C/diff.txt

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< //www.DFRobot.com
< //last updated on 26/11/2010
< //Tim Starling Fix the reset bug (Thanks Tim)
< //wiki doc http://www.dfrobot.com/wiki/index.php?title=I2C/TWI_LCD1602_Module_(SKU:_DFR0063)
< //Support Forum: http://www.dfrobot.com/forum/
< 
---
> // LiquidCrystal_I2C V2.0
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< #include "WProgram.h" 
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< 
---
> #include "Arduino.h"
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< 	delay(50); 
---
> 	delayMicroseconds(50000); 
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< 	  // we start in 8bit mode, try to set 4 bit mode
<    write4bits(0x03 << 4);
<    delayMicroseconds(4500); // wait min 4.1ms
<    
<    // second try
<    write4bits(0x03 << 4);
<    delayMicroseconds(4500); // wait min 4.1ms
<    
<    // third go!
<    write4bits(0x03 << 4); 
<    delayMicroseconds(150);
<    
<    // finally, set to 4-bit interface
<    write4bits(0x02 << 4); 
---
> 	// we start in 8bit mode, try to set 4 bit mode
> 	write4bits(0x03);
> 	delayMicroseconds(4500); // wait min 4.1ms
> 	
> 	// second try
> 	write4bits(0x03);
> 	delayMicroseconds(4500); // wait min 4.1ms
> 	
> 	// third go!
> 	write4bits(0x03); 
> 	delayMicroseconds(150);
> 	
> 	// finally, set to 4-bit interface
> 	write4bits(0x02); 
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< inline void LiquidCrystal_I2C::write(uint8_t value) {
---
> inline size_t LiquidCrystal_I2C::write(uint8_t value) {
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> 	return 0;
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< 	uint8_t highnib=value&0xf0;
< 	uint8_t lownib=(value<<4)&0xf0;
<        write4bits((highnib)|mode);
< 	write4bits((lownib)|mode); 
---
> 	uint8_t highnib=value>>4;
> 	uint8_t lownib=value & 0x0F;
> 	write4bits((highnib)|mode);
> 	write4bits((lownib)|mode);
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< 	Wire.send((int)(_data) | _backlightval);
---
> 	Wire.write((int)(_data) | _backlightval);