boot

boot-programs/devices.hhp

@@ -0,0 +1,9 @@
+#pypp 0
+#ifndef __IRIS_DEVICES_HH
+#define __IRIS_DEVICES_HH
+
+// lcd driver.
+#define LCD_BACKLIGHT 1
+#define LCD_RESET 2
+
+#endif

boot-programs/lcd.ccp

@@ -85,11 +85,8 @@ static void lcd_disable ():
 	set_backlight (0)
 
 static void reset ():
-	// Use gpio pins as pwm.
-	GPIO_GPAUR (2) = (GPIO_GPAUR (2) & ~0x0fffffff) | 0x50000000
-	// Use gpio pins as lcd master.
-	GPIO_GPALR (1) = (GPIO_GPALR (1) & ~0x0000ffff) | 0x55550000
-	GPIO_GPAUR (1) = 0x556a5555
+	gpio_as_pwm ()
+	gpio_as_lcd_master ()
 
 	// initialize things.
 	GPIO_GPIER (2) &= ~(PWM_ENABLE | LCD_RET | SPEN | SPCK | SPDA)
@@ -126,12 +123,6 @@ static void reset ():
 	CPM_MSCR &= ~(1 << 7)
 	mdelay (1)
 
-static void map_io (unsigned physical, unsigned address):
-	Capability page = memory_create_page (__my_memory)
-	alloc_physical (page, physical, 0)
-	memory_map (__my_memory, page, address, 1)
-	//drop (page)
-
 int main ():
 	map_gpio ()
 	map_pwm0 ()
@@ -140,6 +131,13 @@ int main ():
 
 	reset ()
 
+	while true:
+		for unsigned i = 0; i <= 300; i += 30:
+			set_backlight (i)
+			kdebug (0)
+			mdelay (50)
+			schedule ()
+
 	while true:
 		Message msg
 		if !wait (&msg):