Skip to content

Extend WIRE definition to support ATTINY85 #72

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ynsrc wants to merge 1 commit into
base: master
Choose a base branch
from
+22 −7
Open

Extend WIRE definition to support ATTINY85 #72

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 17 additions & 7 deletions LiquidCrystal_I2C.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,18 @@

#include "LiquidCrystal_I2C.h"
#include <inttypes.h>

#ifdef __AVR_ATtiny85__
#define WIRE TinyWireM
#else
#define WIRE Wire
#endif

#if defined(ARDUINO) && ARDUINO >= 100

#include "Arduino.h"

#define printIIC(args) Wire.write(args)
#define printIIC(args) WIRE.write(args)
inline size_t LiquidCrystal_I2C::write(uint8_t value) {
send(value, Rs);
return 1;
Expand All @@ -15,14 +22,17 @@ inline size_t LiquidCrystal_I2C::write(uint8_t value) {
#else
#include "WProgram.h"

#define printIIC(args) Wire.send(args)
#define printIIC(args) WIRE.send(args)
inline void LiquidCrystal_I2C::write(uint8_t value) {
send(value, Rs);
}

#endif
#include "Wire.h"

#ifdef __AVR_ATtiny85__
#include <TinyWireM.h>
#else
#include <Wire.h>
#endif


// When the display powers up, it is configured as follows:
Expand Down Expand Up @@ -63,7 +73,7 @@ void LiquidCrystal_I2C::init(){

void LiquidCrystal_I2C::init_priv()
{
Wire.begin();
WIRE.begin();
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
begin(_cols, _rows);
}
Expand Down Expand Up @@ -265,9 +275,9 @@ void LiquidCrystal_I2C::write4bits(uint8_t value) {
}

void LiquidCrystal_I2C::expanderWrite(uint8_t _data){
Wire.beginTransmission(_Addr);
WIRE.beginTransmission(_Addr);
printIIC((int)(_data) | _backlightval);
Wire.endTransmission();
WIRE.endTransmission();
}

void LiquidCrystal_I2C::pulseEnable(uint8_t _data){
Expand Down
5 changes: 5 additions & 0 deletions LiquidCrystal_I2C.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,12 @@

#include <inttypes.h>
#include "Print.h"

#ifdef __AVR_ATtiny85__
#include <TinyWireM.h>
#else
#include <Wire.h>
#endif

// commands
#define LCD_CLEARDISPLAY 0x01
Expand Down