--- /dev/null
+/**
+ * \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
+ */
+
+/*#*
+ *#* $Log$
+ *#* Revision 1.5 2006/07/19 12:56:25 bernie
+ *#* Convert to new Doxygen style.
+ *#*
+ *#* Revision 1.4 2006/04/27 05:40:11 bernie
+ *#* Naming convention fixes; Partial merge from project_grl.
+ *#*
+ *#* Revision 1.3 2006/02/10 12:35:31 bernie
+ *#* Enforce CONFIG_* definitions.
+ *#*
+ *#* Revision 1.2 2006/01/23 23:11:27 bernie
+ *#* Use RASTER_SIZE() to compute... err... the raster size.
+ *#*
+ *#* Revision 1.1 2006/01/16 03:50:57 bernie
+ *#* Import into DevLib.
+ *#*
+ *#*/
+
+#include "lcd_32122a_avr.h"
+#include <gfx/gfx.h>
+#include <drv/timer.h>
+
+#include <cpu/cpu.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[RASTER_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);
+}
--- /dev/null
+/**
+ * \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, 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
+ */
+
+/*#*
+ *#* $Log$
+ *#* Revision 1.6 2006/07/19 12:56:25 bernie
+ *#* Convert to new Doxygen style.
+ *#*
+ *#* Revision 1.5 2006/04/27 05:40:11 bernie
+ *#* Naming convention fixes; Partial merge from project_grl.
+ *#*
+ *#* Revision 1.4 2006/02/15 09:13:16 bernie
+ *#* Switch to BITMAP_FMT_PLANAR_V_LSB.
+ *#*
+ *#* Revision 1.3 2006/02/10 12:33:51 bernie
+ *#* Make emulator display a bit larger.
+ *#*
+ *#* Revision 1.2 2006/01/17 22:59:48 bernie
+ *#* Hardcode a different display size.
+ *#*
+ *#* Revision 1.1 2006/01/16 03:50:57 bernie
+ *#* Import into DevLib.
+ *#*/
+
+#ifndef LCD_32122A_AVR_H
+#define LCD_32122A_AVR_H
+
+/* Predefined LCD PWM contrast values */
+#define LCD_DEF_PWM 145
+#define LCD_MAX_PWM 505
+#define LCD_MIN_PWM 130
+
+/* Display bitmap dims */
+#define LCD_WIDTH 122
+#define LCD_HEIGHT 32
+
+/* fwd decl */
+struct Bitmap;
+
+extern struct Bitmap lcd_bitmap;
+
+void lcd_init(void);
+void lcd_setPwm(int duty);
+void lcd_blitBitmap(struct Bitmap *bm);
+
+#endif /* LCD_32122A_AVR_H */
+++ /dev/null
-/**
- * \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
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.5 2006/07/19 12:56:25 bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.4 2006/04/27 05:40:11 bernie
- *#* Naming convention fixes; Partial merge from project_grl.
- *#*
- *#* Revision 1.3 2006/02/10 12:35:31 bernie
- *#* Enforce CONFIG_* definitions.
- *#*
- *#* Revision 1.2 2006/01/23 23:11:27 bernie
- *#* Use RASTER_SIZE() to compute... err... the raster size.
- *#*
- *#* Revision 1.1 2006/01/16 03:50:57 bernie
- *#* Import into DevLib.
- *#*
- *#*/
-
-#include "lcd_32122a_avr.h"
-#include <gfx/gfx.h>
-#include <drv/timer.h>
-
-#include <cpu/cpu.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[RASTER_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);
-}
+++ /dev/null
-/**
- * \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, 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
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.6 2006/07/19 12:56:25 bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.5 2006/04/27 05:40:11 bernie
- *#* Naming convention fixes; Partial merge from project_grl.
- *#*
- *#* Revision 1.4 2006/02/15 09:13:16 bernie
- *#* Switch to BITMAP_FMT_PLANAR_V_LSB.
- *#*
- *#* Revision 1.3 2006/02/10 12:33:51 bernie
- *#* Make emulator display a bit larger.
- *#*
- *#* Revision 1.2 2006/01/17 22:59:48 bernie
- *#* Hardcode a different display size.
- *#*
- *#* Revision 1.1 2006/01/16 03:50:57 bernie
- *#* Import into DevLib.
- *#*/
-
-#ifndef LCD_32122A_AVR_H
-#define LCD_32122A_AVR_H
-
-/* Predefined LCD PWM contrast values */
-#define LCD_DEF_PWM 145
-#define LCD_MAX_PWM 505
-#define LCD_MIN_PWM 130
-
-/* Display bitmap dims */
-#define LCD_WIDTH 122
-#define LCD_HEIGHT 32
-
-/* fwd decl */
-struct Bitmap;
-
-extern struct Bitmap lcd_bitmap;
-
-void lcd_init(void);
-void lcd_setPwm(int duty);
-void lcd_blitBitmap(struct Bitmap *bm);
-
-#endif /* LCD_32122A_AVR_H */
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