diff options
Diffstat (limited to 'platforms/avr/drivers/hd44780.c')
| -rw-r--r-- | platforms/avr/drivers/hd44780.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/platforms/avr/drivers/hd44780.c b/platforms/avr/drivers/hd44780.c index f71069dece..f15d7d0da8 100644 --- a/platforms/avr/drivers/hd44780.c +++ b/platforms/avr/drivers/hd44780.c @@ -262,7 +262,7 @@ static uint8_t lcd_waitbusy(void) delay(LCD_DELAY_BUSY_FLAG); /* now read the address counter */ - return (lcd_read(0)); // return address counter + return (lcd_read(0)); // return address counter } /* lcd_waitbusy */ @@ -362,17 +362,23 @@ void lcd_gotoxy(uint8_t x, uint8_t y) { /************************************************************************* *************************************************************************/ -int lcd_getxy(void) { return lcd_waitbusy(); } +int lcd_getxy(void) { + return lcd_waitbusy(); +} /************************************************************************* Clear display and set cursor to home position *************************************************************************/ -void lcd_clrscr(void) { lcd_command(1 << LCD_CLR); } +void lcd_clrscr(void) { + lcd_command(1 << LCD_CLR); +} /************************************************************************* Set cursor to home position *************************************************************************/ -void lcd_home(void) { lcd_command(1 << LCD_HOME); } +void lcd_home(void) { + lcd_command(1 << LCD_HOME); +} /************************************************************************* Display character at current cursor position @@ -382,7 +388,7 @@ Returns: none void lcd_putc(char c) { uint8_t pos; - pos = lcd_waitbusy(); // read busy-flag and address counter + pos = lcd_waitbusy(); // read busy-flag and address counter if (c == '\n') { lcd_newline(pos); } else { @@ -483,8 +489,8 @@ void lcd_init(uint8_t dispAttr) { delay(LCD_DELAY_BOOTUP); /* wait 16ms or more after power-on */ /* initial write to lcd is 8bit */ - LCD_DATA1_PORT |= _BV(LCD_DATA1_PIN); // LCD_FUNCTION>>4; - LCD_DATA0_PORT |= _BV(LCD_DATA0_PIN); // LCD_FUNCTION_8BIT>>4; + LCD_DATA1_PORT |= _BV(LCD_DATA1_PIN); // LCD_FUNCTION>>4; + LCD_DATA0_PORT |= _BV(LCD_DATA0_PIN); // LCD_FUNCTION_8BIT>>4; lcd_e_toggle(); delay(LCD_DELAY_INIT); /* delay, busy flag can't be checked here */ @@ -497,7 +503,7 @@ void lcd_init(uint8_t dispAttr) { delay(LCD_DELAY_INIT_REP); /* delay, busy flag can't be checked here */ /* now configure for 4bit mode */ - LCD_DATA0_PORT &= ~_BV(LCD_DATA0_PIN); // LCD_FUNCTION_4BIT_1LINE>>4 + LCD_DATA0_PORT &= ~_BV(LCD_DATA0_PIN); // LCD_FUNCTION_4BIT_1LINE>>4 lcd_e_toggle(); delay(LCD_DELAY_INIT_4BIT); /* some displays need this additional delay */ |