X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cpu%2Favr%2Fdrv%2Flcd_32122a_avr.c;h=63d7329fbeeee034ce4409d9730ae1241e6b84f8;hb=HEAD;hp=f635d414a7f840bdd6c293ea00eec96591ee3089;hpb=5bce68499e394b01425fbc0d883d21f60008c2f3;p=bertos.git

diff --git a/cpu/avr/drv/lcd_32122a_avr.c b/cpu/avr/drv/lcd_32122a_avr.c
deleted file mode 100644
index f635d414..00000000
--- a/cpu/avr/drv/lcd_32122a_avr.c
+++ /dev/null
@@ -1,522 +0,0 @@
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction.  Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License.  This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2003, 2004, 2005, 2006 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2001 Bernardo Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- *
- * \brief Displaytech 32122A LCD driver
- */
-
-#include "lcd_32122a_avr.h"
-#include <gfx/gfx.h>
-#include <drv/timer.h>
-
-#include <cpu/irq.h>
-#include <cpu/types.h>
-#include <hw.h>
-#include <cfg/macros.h> /* BV() */
-#include <cfg/debug.h>
-
-#include <avr/io.h>
-#include <stdbool.h>
-#include <inttypes.h>
-
-/* Configuration sanity checks */
-#if !defined(CONFIG_LCD_SOFTINT_REFRESH) || (CONFIG_LCD_SOFTINT_REFRESH != 0 && CONFIG_LCD_SOFTINT_REFRESH != 1)
-	#error CONFIG_LCD_SOFTINT_REFRESH must be defined to either 0 or 1
-#endif
-#if !defined(CONFIG_LCD_SOFTINT_REFRESH) || (CONFIG_LCD_SOFTINT_REFRESH != 0 && CONFIG_LCD_SOFTINT_REFRESH != 1)
-	#error CONFIG_LCD_SOFTINT_REFRESH must be defined to either 0 or 1
-#endif
-
-
-#if CONFIG_LCD_SOFTINT_REFRESH
-
-	/** Interval between softint driven lcd refresh */
-#	define LCD_REFRESH_INTERVAL 20  /* 20ms -> 50fps */
-
-#endif /* CONFIG_LCD_SOFTINT_REFRESH */
-
-/** Number of LCD pages */
-#define LCD_PAGES 4
-
-/** Width of an LCD page */
-#define LCD_PAGESIZE (LCD_WIDTH / 2)
-
-/**
- * \name LCD I/O pins/ports
- * @{
- */
-#define LCD_PF_DB0   PF4
-#define LCD_PF_DB1   PF5
-#define LCD_PF_DB2   PF6
-#define LCD_PF_DB3   PF7
-#define LCD_PD_DB4   PD4
-#define LCD_PD_DB5   PD5
-#define LCD_PD_DB6   PD6
-#define LCD_PD_DB7   PD7
-#define LCD_PB_A0    PB0
-#define LCD_PE_RW    PE7
-#define LCD_PE_E1    PE2
-#define LCD_PE_E2    PE6
-/*@}*/
-
-/**
- * \name DB high nibble (DB[4-7])
- * @{
- */
-#define LCD_DATA_HI_PORT    PORTD
-#define LCD_DATA_HI_PIN     PIND
-#define LCD_DATA_HI_DDR     DDRD
-#define LCD_DATA_HI_SHIFT   0
-#define LCD_DATA_HI_MASK    0xF0
-/*@}*/
-
-/**
- * \name DB low nibble (DB[0-3])
- * @{
- */
-#define LCD_DATA_LO_PORT    PORTF
-#define LCD_DATA_LO_PIN     PINF
-#define LCD_DATA_LO_DDR     DDRF
-#define LCD_DATA_LO_SHIFT   4
-#define LCD_DATA_LO_MASK    0xF0
-/*@}*/
-
-/**
- * \name LCD bus control macros
- * @{
- */
-#define LCD_CLR_A0   (PORTB &= ~BV(LCD_PB_A0))
-#define LCD_SET_A0   (PORTB |=  BV(LCD_PB_A0))
-#define LCD_CLR_RD   (PORTE &= ~BV(LCD_PE_RW))
-#define LCD_SET_RD   (PORTE |=  BV(LCD_PE_RW))
-#define LCD_CLR_E1   (PORTE &= ~BV(LCD_PE_E1))
-#define LCD_SET_E1   (PORTE |=  BV(LCD_PE_E1))
-#define LCD_CLR_E2   (PORTE &= ~BV(LCD_PE_E2))
-#define LCD_SET_E2   (PORTE |=  BV(LCD_PE_E2))
-#define LCD_SET_E(x) (PORTE |= (x))
-#define LCD_CLR_E(x) (PORTE &= ~(x))
-/*@}*/
-
-/**
- * \name Chip select bits for LCD_SET_E()
- * @{
- */
-#define LCDF_E1 (BV(LCD_PE_E1))
-#define LCDF_E2 (BV(LCD_PE_E2))
-/*@}*/
-
-/** Read from the LCD data bus (DB[0-7]) */
-#define LCD_READ ( \
-		((LCD_DATA_LO_PIN & LCD_DATA_LO_MASK) >> LCD_DATA_LO_SHIFT) | \
-		((LCD_DATA_HI_PIN & LCD_DATA_HI_MASK) >> LCD_DATA_HI_SHIFT) \
-	)
-
-/** Write to the LCD data bus (DB[0-7]) */
-#define LCD_WRITE(d) \
-	do { \
-		LCD_DATA_LO_PORT = (LCD_DATA_LO_PORT & ~LCD_DATA_LO_MASK) | (((d)<<LCD_DATA_LO_SHIFT) & LCD_DATA_LO_MASK); \
-		LCD_DATA_HI_PORT = (LCD_DATA_HI_PORT & ~LCD_DATA_HI_MASK) | (((d)<<LCD_DATA_HI_SHIFT) & LCD_DATA_HI_MASK); \
-	} while (0)
-
-/** Set data bus direction to output (write to display) */
-#define LCD_DB_OUT \
-	do { \
-		LCD_DATA_LO_DDR |= LCD_DATA_LO_MASK; \
-		LCD_DATA_HI_DDR |= LCD_DATA_HI_MASK; \
-	} while (0)
-
-/** Set data bus direction to input (read from display) */
-#define LCD_DB_IN \
-	do { \
-		LCD_DATA_LO_DDR &= ~LCD_DATA_LO_MASK; \
-		LCD_DATA_HI_DDR &= ~LCD_DATA_HI_MASK; \
-	} while (0)
-
-/** Delay for tEW (160ns) */
-#define LCD_DELAY_WRITE \
-	do { \
-		NOP; \
-		NOP; \
-	} while (0)
-
-/** Delay for tACC6 (180ns) */
-#define LCD_DELAY_READ \
-	do { \
-		NOP; \
-		NOP; \
-		NOP; \
-	} while (0)
-
-
-/**
- * \name 32122A Commands
- * @{
- */
-#define LCD_CMD_DISPLAY_ON  0xAF
-#define LCD_CMD_DISPLAY_OFF 0xAE
-#define LCD_CMD_STARTLINE   0xC0
-#define LCD_CMD_PAGEADDR    0xB8
-#define LCD_CMD_COLADDR     0x00
-#define LCD_CMD_ADC_LEFT    0xA1
-#define LCD_CMD_ADC_RIGHT   0xA0
-#define LCD_CMD_STATIC_OFF  0xA4
-#define LCD_CMD_STATIC_ON   0xA5
-#define LCD_CMD_DUTY_32     0xA9
-#define LCD_CMD_DUTY_16     0xA8
-#define LCD_CMD_RMW_ON      0xE0
-#define LCD_CMD_RMW_OFF     0xEE
-#define LCD_CMD_RESET       0xE2
-/*@}*/
-
-MOD_DEFINE(lcd)
-
-
-/* Status flags */
-#define LCDF_BUSY BV(7)
-
-#if CONFIG_LCD_WAIT
-/**
- * \code
- *      __              __
- * RS   __\____________/__
- *         ____________
- * R/W  __/            \__
- *            _______
- * E1   _____/       \____
- *        ______      ____
- * DATA X/      \====/
- *
- * \endcode
- */
-#define WAIT_LCD \
-	do { \
-		uint8_t status; \
-		LCD_DB_IN; \
-		do { \
-			LCD_SET_RD; \
-			LCD_CLR_A0; \
-			LCD_SET_E1; \
-			LCD_DELAY_READ; \
-			status = LCD_READ; \
-			LCD_CLR_E1; \
-			LCD_SET_A0; \
-			LCD_CLR_RD; \
-		} while (status & LCDF_BUSY); \
-		LCD_DB_OUT; \
-	} while (0)
-
-#else /* CONFIG_LCD_WAIT */
-
-#define WAIT_LCD do {} while(0)
-
-#endif /* CONFIG_LCD_WAIT */
-
-
-/**
- * Raster buffer to draw into.
- *
- * Bits in the bitmap bytes have vertical orientation,
- * as required by the LCD driver.
- */
-DECLARE_WALL(wall_before_raster, WALL_SIZE)
-static uint8_t lcd_raster[RAST_SIZE(LCD_WIDTH, LCD_HEIGHT)];
-DECLARE_WALL(wall_after_raster, WALL_SIZE)
-
-/** Default LCD bitmap */
-struct Bitmap lcd_bitmap;
-
-
-#if CONFIG_LCD_SOFTINT_REFRESH
-
-/** Timer for regular LCD refresh */
-static Timer *lcd_refresh_timer;
-
-#endif /* CONFIG_LCD_SOFTINT_REFRESH */
-
-
-/*
-static bool lcd_check(void)
-{
-	uint8_t status;
-	uint16_t retries = 32768;
-	PORTA = 0xFF;
-	DDRA = 0x00;
-	do {
-		cbi(PORTC, PCB_LCD_RS);
-		sbi(PORTC, PCB_LCD_RW);
-		sbi(PORTC, PCB_LCD_E);
-		--retries;
-		NOP;
-		status = PINA;
-		cbi(PORTC, PCB_LCD_E);
-		cbi(PORTC, PCB_LCD_RW);
-	} while ((status & LCDF_BUSY) && retries);
-
-	return (retries != 0);
-}
-*/
-
-
-static inline void lcd_cmd(uint8_t cmd, uint8_t chip)
-{
-	WAIT_LCD;
-
-	/*      __              __
-	 * A0   __\____________/__
-	 *
-	 * R/W  __________________
-	 *            ______
-	 * E1   _____/      \_____
-	 *
-	 * DATA --<============>--
-	 */
-	LCD_WRITE(cmd);
-	//LCD_DB_OUT;
-	LCD_CLR_A0;
-	LCD_SET_E(chip);
-	LCD_DELAY_WRITE;
-	LCD_CLR_E(chip);
-	LCD_SET_A0;
-	//LCD_DB_IN;
-}
-
-
-static inline uint8_t lcd_read(uint8_t chip)
-{
-	uint8_t data;
-
-	WAIT_LCD;
-
-	/**
-	 * \code
-	 *      __________________
-	 * A0   __/            \__
-	 *         ____________
-	 * R/W  __/            \__
-	 *            _______
-	 * E1   _____/       \____
-	 *
-	 * DATA -------<=====>----
-	 *
-	 * \endcode
-	 */
-	LCD_DB_IN;
-	//LCD_SET_A0;
-	LCD_SET_RD;
-	LCD_SET_E(chip);
-	LCD_DELAY_READ;
-	data = LCD_READ;
-	LCD_CLR_E(chip);
-	LCD_CLR_RD;
-	//LCD_CLR_A0;
-	LCD_DB_OUT;
-
-	return data;
-}
-
-
-static inline void lcd_write(uint8_t c, uint8_t chip)
-{
-	WAIT_LCD;
-
-	/**
-	 * \code
-	 *      __________________
-	 * A0   ___/          \___
-	 *
-	 * R/W  __________________
-	 *            ______
-	 * E1   _____/      \_____
-	 *
-	 * DATA -<==============>-
-	 *
-	 * \endcode
-	 */
-	LCD_WRITE(c);
-	//LCD_DB_OUT;
-	//LCD_SET_A0;
-	LCD_SET_E(chip);
-	LCD_DELAY_WRITE;
-	LCD_CLR_E(chip);
-	//LCD_CLR_A0;
-	//LCD_DB_IN;
-}
-
-
-/**
- * Set LCD contrast PWM.
- */
-void lcd_setPwm(int duty)
-{
-	ASSERT(duty >= LCD_MIN_PWM);
-	ASSERT(duty <= LCD_MAX_PWM);
-
-	OCR3C = duty;
-}
-
-
-static void lcd_clear(void)
-{
-	uint8_t page, j;
-
-	for (page = 0; page < LCD_PAGES; ++page)
-	{
-		lcd_cmd(LCD_CMD_COLADDR | 0, LCDF_E1 | LCDF_E2);
-		lcd_cmd(LCD_CMD_PAGEADDR | page, LCDF_E1 | LCDF_E2);
-		for (j = 0; j < LCD_PAGESIZE; j++)
-			lcd_write(0, LCDF_E1 | LCDF_E2);
-	}
-}
-
-
-static void lcd_writeRaster(const uint8_t *raster)
-{
-	uint8_t page, rows;
-	const uint8_t *right_raster;
-
-	CHECK_WALL(wall_before_raster);
-	CHECK_WALL(wall_after_raster);
-
-	for (page = 0; page < LCD_PAGES; ++page)
-	{
-		lcd_cmd(LCD_CMD_PAGEADDR | page, LCDF_E1 | LCDF_E2);
-		lcd_cmd(LCD_CMD_COLADDR | 0, LCDF_E1 | LCDF_E2);
-
-		/* Super optimized lamer loop */
-		right_raster = raster + LCD_PAGESIZE;
-		rows = LCD_PAGESIZE;
-		do
-		{
-			lcd_write(*raster++, LCDF_E1);
-			lcd_write(*right_raster++, LCDF_E2);
-		}
-		while (--rows);
-		raster = right_raster;
-	}
-}
-
-/**
- * Update the LCD display with data from the provided bitmap.
- */
-void lcd_blitBitmap(Bitmap *bm)
-{
-	MOD_CHECK(lcd);
-	lcd_writeRaster(bm->raster);
-}
-
-
-#if CONFIG_LCD_SOFTINT_REFRESH
-
-static void lcd_refreshSoftint(void)
-{
-	lcd_blit_bitmap(&lcd_bitmap);
-	timer_add(lcd_refresh_timer);
-}
-
-#endif /* CONFIG_LCD_SOFTINT_REFRESH */
-
-
-/**
- * Initialize LCD subsystem.
- *
- * \note The PWM used for LCD contrast is initialized in drv/pwm.c
- *       because it is the same PWM used for output attenuation.
- */
-void lcd_init(void)
-{
-	MOD_CHECK(timer);
-
-	// FIXME: interrupts are already disabled when we get here?!?
-	cpuflags_t flags;
-	IRQ_SAVE_DISABLE(flags);
-
-	PORTB |= BV(LCD_PB_A0);
-	DDRB |= BV(LCD_PB_A0);
-
-	PORTE &= ~(BV(LCD_PE_RW) | BV(LCD_PE_E1) | BV(LCD_PE_E2));
-	DDRE |= BV(LCD_PE_RW) | BV(LCD_PE_E1) | BV(LCD_PE_E2);
-
-/* LCD hw reset
-	LCD_RESET_PORT |= BV(LCD_RESET_BIT);
-	LCD_RESET_DDR |= BV(LCD_RESET_BIT);
-	LCD_DELAY_WRITE;
-	LCD_DELAY_WRITE;
-	LCD_RESET_PORT &= ~BV(LCD_RESET_BIT);
-	LCD_DELAY_WRITE;
-	LCD_DELAY_WRITE;
-	LCD_RESET_PORT |= BV(LCD_RESET_BIT);
-*/
-	/*
-	 * Data bus is in output state most of the time:
-	 * LCD r/w functions assume it is left in output state
-	 */
-	LCD_DB_OUT;
-
-	// Wait for RST line to stabilize at Vcc.
-	IRQ_ENABLE;
-	timer_delay(20);
-	IRQ_SAVE_DISABLE(flags);
-
-	lcd_cmd(LCD_CMD_RESET, LCDF_E1 | LCDF_E2);
-	lcd_cmd(LCD_CMD_DISPLAY_ON, LCDF_E1 | LCDF_E2);
-	lcd_cmd(LCD_CMD_STARTLINE | 0, LCDF_E1 | LCDF_E2);
-
-	/* Initialize anti-corruption walls for raster */
-	INIT_WALL(wall_before_raster);
-	INIT_WALL(wall_after_raster);
-
-	IRQ_RESTORE(flags);
-
-	lcd_clear();
-	lcd_setpwm(LCD_DEF_PWM);
-
-	gfx_bitmapInit(&lcd_bitmap, lcd_raster, LCD_WIDTH, LCD_HEIGHT);
-	gfx_bitmapClear(&lcd_bitmap);
-
-#if CONFIG_LCD_SOFTINT_REFRESH
-
-	/* Init IRQ driven LCD refresh */
-	lcd_refresh_timer = timer_new();
-	ASSERT(lcd_refresh_timer != NULL);
-	INITEVENT_INT(&lcd_refresh_timer->expire, (Hook)lcd_refresh_softint, 0);
-	lcd_refresh_timer->delay = LCD_REFRESH_INTERVAL;
-	timer_add(lcd_refresh_timer);
-
-#endif /* CONFIG_LCD_SOFTINT_REFRESH */
-
-	MOD_INIT(lcd);
-}