X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fhw%2Fhw_lcd.h;h=e6657dd0c63835856ab67b886afe19f8600ec636;hb=c250b4c3248572246ca103b85148c29bcfef8732;hp=b7cf5f891a8ffa526d65559534a32607d20351a9;hpb=791e167e053bdd9250d34a9a5ccae6ccde4d6679;p=bertos.git

diff --git a/bertos/hw/hw_lcd.h b/bertos/hw/hw_lcd.h
index b7cf5f89..e6657dd0 100644
--- a/bertos/hw/hw_lcd.h
+++ b/bertos/hw/hw_lcd.h
@@ -26,137 +26,40 @@
  * invalidate any other reasons why the executable file might be covered by
  * the GNU General Public License.
  *
- * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2001 Bernardo Innocenti <bernie@codewiz.org>
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
  *
  * -->
  *
- * \version $Id$
+ * \brief Atmel SAM3N-EK testcase
  *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- *
- * \brief LCD low-level hardware macros
+ * \author Luca Ottaviano <lottaviano@develer.com>
+ * \author Daniele Basile <asterix@develer.com>
  */
 
 #ifndef HW_LCD_H
 #define HW_LCD_H
 
-#include <appconfig.h>
-//#include <hw.h>
+#warning FIXME: This is an example implementation, you must implement it
+
+#include <io/cm3.h>
 
 #include <cpu/attr.h>
-#include <cpu/irq.h>
 #include <cpu/types.h>
 
-#include <cfg/macros.h> /* BV() */
-#include <cfg/debug.h>
-
-#include <avr/io.h>
-#include <stdbool.h>
-#include <inttypes.h>
+#define LCD_BACKLIGHT_MAX    // Max backlight level
+#define LCD_BACKLIGHT_PIN    // Port C
+#define LCD_SPICLOCK         // Minimum cycle len = 80 ns according specs
 
-/**
- * \name LCD I/O pins/ports
- * @{
- */
-#define LCD_RS    BV(PG3)
-#define LCD_RW    BV(PG0)
-#define LCD_E     BV(PG2)
-#define LCD_DB0   BV(PA0)
-#define LCD_DB1   BV(PA1)
-#define LCD_DB2   BV(PA2)
-#define LCD_DB3   BV(PA3)
-#define LCD_DB4   BV(PA4)
-#define LCD_DB5   BV(PA5)
-#define LCD_DB6   BV(PA6)
-#define LCD_DB7   BV(PA7)
-/*@}*/
 
-/**
- * \name DB high nibble (DB[4-7])
- * @{
- */
-#define LCD_PORT     PORTG
-#define LCD_DB_PORT  PORTA
-#define LCD_PIN      PING
-#define LCD_DB_PIN   PINA
-#define LCD_DDR      DDRG
-#define LCD_DB_DDR   DDRA
-
-#if CONFIG_LCD_4BIT
-	#define LCD_MASK    (LCD_DB7 | LCD_DB6 | LCD_DB5 | LCD_DB4)
-	#define LCD_SHIFT   4
-#else
-	#define LCD_MASK (uint8_t)0xff
-	#define LCD_SHIFT 0
-#endif
-/*@}*/
-
-/**
- * \name LCD bus control macros
- * @{
- */
-#define LCD_CLR_RS      (LCD_PORT &= ~LCD_RS)
-#define LCD_SET_RS      (LCD_PORT |=  LCD_RS)
-#define LCD_CLR_RD      (LCD_PORT &= ~LCD_RW)
-#define LCD_SET_RD      (LCD_PORT |=  LCD_RW)
-#define LCD_CLR_E       (LCD_PORT &= ~LCD_E)
-#define LCD_SET_E       (LCD_PORT |=  LCD_E)
+#define LCD_BACKLIGHT_LEVEL_UP() do { /* Implement me! */ } while(0)
 
-#if CONFIG_LCD_4BIT
-	#define LCD_WRITE_H(x)  (LCD_DB_PORT = (LCD_DB_PORT & ~LCD_MASK) | (((x) >> (4 - LCD_SHIFT)) & LCD_MASK))
-	#define LCD_WRITE_L(x)  (LCD_DB_PORT = (LCD_DB_PORT & ~LCD_MASK) | (((x) << LCD_SHIFT) & LCD_MASK))
-	#define LCD_READ_H      ((LCD_DB_PIN & LCD_MASK) >> (4 - LCD_SHIFT))
-	#define LCD_READ_L      ((LCD_DB_PIN & LCD_MASK) >> LCD_SHIFT)
-#else
-	#define LCD_WRITE(x) (LCD_DB_PORT = (x))
-	#define LCD_READ (LCD_DB_PIN)
-#endif
-/*@}*/
 
-/** Set data bus direction to output (write to display) */
-#define LCD_DB_OUT  (LCD_DB_DDR |= LCD_MASK)
-
-/** Set data bus direction to input (read from display) */
-#define LCD_DB_IN   (LCD_DB_DDR &= ~LCD_MASK)
-
-/** Delay for write (Enable pulse width, 220ns) */
-#define LCD_DELAY_WRITE \
-	do { \
-		NOP; \
-		NOP; \
-		NOP; \
-		NOP; \
-		NOP; \
-	} while (0)
-
-/** Delay for read (Data ouput delay time, 120ns) */
-#define LCD_DELAY_READ \
-	do { \
-		NOP; \
-		NOP; \
-		NOP; \
-		NOP; \
-	} while (0)
-
-
-INLINE void lcd_bus_init(void)
+INLINE void lcd_setBacklight(uint8_t level)
 {
-	cpuflags_t flags;
-	IRQ_SAVE_DISABLE(flags);
-
-	LCD_PORT = (LCD_PORT & ~(LCD_E | LCD_RW)) | LCD_RS;
-	LCD_DDR  |= LCD_RS | LCD_RW | LCD_E;
-
-	/*
-	 * Data bus is in output state most of the time:
-	 * LCD r/w functions assume it is left in output state
-	 */
-	LCD_DB_OUT;
-
-
-	IRQ_RESTORE(flags);
+	(void)level;
+	/* Implement me! */
 }
 
+#define LCD_BACKLIGHT_INIT() do { /* Implement me! */ } while(0)
+
 #endif /* HW_LCD_H */