diff options
| author | Keith Packard <keithp@keithp.com> | 2011-11-12 18:51:03 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-11-12 18:51:03 -0800 |
| commit | 430b439b9a5cc98b32273a233505de2c2f975c59 (patch) | |
| tree | befe29a4ca94ca39066b1689eb09226fe17c8da8 | |
| parent | 75a8490a7bee2a2c7afd559b13f1d9c40c2aa08f (diff) | |
altosui: Add ao_lcd_cursor_on/off
This shows or hides a blinking cursor on the LCD.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/core/ao.h | 6 | ||||
| -rw-r--r-- | src/drivers/ao_lcd.c | 16 |
2 files changed, 22 insertions, 0 deletions
diff --git a/src/core/ao.h b/src/core/ao.h index 3c1aa156..8bd7a3d2 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -1719,6 +1719,12 @@ ao_lcd_contrast_set(uint8_t contrast); void ao_lcd_clear(void); +void +ao_lcd_cursor_on(void); + +void +ao_lcd_cursor_off(void); + #define AO_LCD_ADDR(row,col) ((row << 6) | (col)) void diff --git a/src/drivers/ao_lcd.c b/src/drivers/ao_lcd.c index 8745b3f6..8ce32233 100644 --- a/src/drivers/ao_lcd.c +++ b/src/drivers/ao_lcd.c @@ -74,6 +74,22 @@ ao_lcd_contrast_set(uint8_t contrast) } void +ao_lcd_cursor_on(void) +{ + ao_mutex_get(&ao_lcd_mutex); + ao_lcd_send_ins(0x08 | 0x04 | 0x02 | 0x01); + ao_mutex_put(&ao_lcd_mutex); +} + +void +ao_lcd_cursor_off(void) +{ + ao_mutex_get(&ao_lcd_mutex); + ao_lcd_send_ins(0x08 | 0x04); + ao_mutex_put(&ao_lcd_mutex); +} + +void ao_lcd_clear(void) { ao_mutex_get(&ao_lcd_mutex); |