From: Keith Packard <keithp@keithp.com>
Date: Sun, 13 Nov 2011 02:51:03 +0000 (-0800)
Subject: altosui: Add ao_lcd_cursor_on/off
X-Git-Tag: 1.0.9.4~75
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=430b439b9a5cc98b32273a233505de2c2f975c59

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>
---

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
@@ -73,6 +73,22 @@ ao_lcd_contrast_set(uint8_t contrast)
 	ao_mutex_put(&ao_lcd_mutex);
 }
 
+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)
 {