0f387e913a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2172 a1c6a512-1295-4272-9138-f99709370657
164 lines
3.3 KiB
C
164 lines
3.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Alan Korr & Nick Robinson
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include "button.h"
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#include "config.h"
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#include "sh7034.h"
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#include "system.h"
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#include "kernel.h"
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#include "backlight.h"
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#include "adc.h"
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#include "lcd.h"
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#include "serial.h"
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/* Received byte identifiers */
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#define PLAY 0xC1
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#define STOP 0xC2
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#define PREV 0xC4
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#define NEXT 0xC8
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#define VOLUP 0xD0
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#define VOLDN 0xE0
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#ifdef SCREENDUMP
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#define SCRDMP 0xF0
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static void screen_dump(void);
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#endif
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void serial_setup (void)
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{
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char dummy;
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dummy = SSR1;
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SSR1 = 0;
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SMR1 = 0x00;
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SCR1 = 0;
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BRR1 = (FREQ/(32*9600))-1;
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/* let the hardware settle */
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sleep(1);
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SCR1 = 0x50;
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/* This enables the serial Rx interrupt*/
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IPRE = (IPRE & 0x0FFF) | 0x8000; /* Set to medium priority */
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}
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static void process_byte(int byte)
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{
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int btn = 0;
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switch (byte)
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{
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case STOP:
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#ifdef HAVE_RECORDER_KEYPAD
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btn = BUTTON_OFF;
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#else
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btn = BUTTON_STOP;
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#endif
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break;
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case PLAY:
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btn = BUTTON_PLAY;
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break;
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case VOLUP:
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btn = BUTTON_VOL_UP;
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break;
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case VOLDN:
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btn = BUTTON_VOL_DOWN;
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break;
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case PREV:
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btn = BUTTON_LEFT;
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break;
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case NEXT:
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btn = BUTTON_RIGHT;
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break;
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#ifdef SCREENDUMP
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case SCRDMP:
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screen_dump();
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break;
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#endif
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}
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if ( btn ) {
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queue_post(&button_queue, btn, NULL);
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backlight_on();
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queue_post(&button_queue, btn | BUTTON_REL, NULL);
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}
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}
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#pragma interrupt
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void REI1 (void)
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{
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SSR1 = SSR1 & ~0x10; /* Clear FER */
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SSR1 = SSR1 & ~0x40; /* Clear RDRF */
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}
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#pragma interrupt
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void RXI1 (void)
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{
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unsigned char serial_byte;
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serial_byte = RDR1;
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SSR1 = SSR1 & ~0x40; /* Clear RDRF */
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process_byte(serial_byte);
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}
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#ifdef SCREENDUMP
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static void serial_enable_tx(void)
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{
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SCR1 |= 0x20;
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}
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static void serial_tx(unsigned char ch)
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{
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while (!(SSR1 & SCI_TDRE))
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{
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;
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}
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/*
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* Write data into TDR and clear TDRE
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*/
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TDR1 = ch;
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SSR1 &= ~SCI_TDRE;
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}
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static void screen_dump(void)
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{
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int x, y;
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int level;
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serial_enable_tx();
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level = set_irq_level(15);
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for(y = 0;y < LCD_HEIGHT/8;y++)
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{
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for(x = 0;x < LCD_WIDTH;x++)
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{
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serial_tx(lcd_framebuffer[x][y]);
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}
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}
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set_irq_level(level);
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}
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#endif
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