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rockbox/firmware/target/arm/tms320dm320/creative-zvm/pic-creativezvm.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

378 lines
12 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* Creative Zen Vision:M interrupt based PIC driver
*
* This program 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "system.h"
#include "kernel.h"
#include "button-target.h"
#include "i2c-dm320.h"
#include "sprintf.h"
#ifdef BUTTON_DEBUG
#include "lcd-target.h"
#include "lcd.h"
#include "font.h"
#endif
#ifndef ZEN_VISION
/* Creative Zen Vision:M */
#define BTN_LEFT 0x5F00
#define BTN_RIGHT 0x4F00
#define BTN_BACK 0xBF00
#define BTN_CUSTOM 0x8F00
#define BTN_PLAY 0x2F00
#define BTN_POWER 0x0F00
#define BTN_MENU 0x9F00
#define BTN_HOLD 0x9F06
#define BTN_UNHOLD 0xAF06
#define BTN_REL 1
#define BTN_TOUCHPAD_PRESS 0x1F00
#define BTN_TOUCHPAD_SCROLL_DOWN 0x0F03
#define BTN_TOUCHPAD_CORNER_DOWN 0xAF00
#define BTN_TOUCHPAD_CORNER_UP 0x3F00
#define BTN_TOUCHPAD_SCROLL_UP 0x0F04
#define HEADPHONE_PLUGIN_A 0x5707
#define HEADPHONE_PLUGIN_B 0x5F07
#define HEADPHONE_UNPLUG_A 0x3707
#define HEADPHONE_UNPLUG_B 0x3F07
#define DOCK_INSERT 0x6707
#define DOCK_UNPLUG 0xDF06
#define DOCK_USB_INSERT 0x2F06
#define DOCK_USB_UNPLUG 0x3F06
#define DOCK_POWER_INSERT 0x2707
#define DOCK_POWER_UNPLUG 0x2F07
#else
/* Creative Zen Vision */
#define BTN_LEFT 0xCF00
#define BTN_RIGHT 0xEF00
#define BTN_BACK 0xBF00
#define BTN_CUSTOM 0x0
#define BTN_PLAY 0x2F00
#define BTN_POWER 0x0F00
#define BTN_MENU 0x9F00
#define BTN_HOLD 0x9F06
#define BTN_UNHOLD 0xAF06
/* TODO: other values
First number is just pressing it, second is when you release it or keep it
pressed a bit longer
On/Off = 0F00 && 0F01
Hold = 9F06 && AF06
Volume Up = 6F00 && 6F01
Vol Down = 7F00 && 7F01
Up = DF00 && DF01
Right = EF00 && EF01
Down = FF00 && FF01
Left = CF00 && CF01
Back = BF00 && BF01
Menu = 9F00 && Etcetera
Ok = 1F00
Play = 2F00
Next = 4F00
Prev = 5F00
USB = 2F06
USB ouot = 3F06
Headphones= AF06
Hdphns out= BF06
Charger = 4F06 -> 9F05
Chgrout = 5F06 -> 8F05
AV in = 8F06
AV out = 9F06 */
#define BTN_REL 1
#define BTN_TOUCHPAD_PRESS 0x1F00
#define BTN_TOUCHPAD_LONG_PRESS 0x1F01
#define BTN_TOUCHPAD_CORNER_DOWN 0xFF00
#define BTN_TOUCHPAD_SCROLL_DOWN 0xFF01
#define BTN_TOUCHPAD_CORNER_UP 0xDF00
#define BTN_TOUCHPAD_SCROLL_UP 0xDF01
#define HEADPHONE_PLUGIN_A 0xAF06
#define HEADPHONE_PLUGIN_B 0x00AF06 //Dummy Value
#define HEADPHONE_UNPLUG_A 0x00BF06 //Dummy Value
#define HEADPHONE_UNPLUG_B 0x00BF061 //Dummy Value
#define DOCK_INSERT 0x00003 //Dummy Value
#define DOCK_UNPLUG 0x00002 //Dummy Value
#define DOCK_USB_INSERT 0x2F06
#define DOCK_USB_UNPLUG 0x3F06
#define DOCK_POWER_INSERT 0x4F06
#define DOCK_POWER_UNPLUG 0x5F06
#define DOCK_AV_INSERT 0x8F06
#define DOCK_AV_UNPLUG 0x9F06
#endif
#define PIC_ADR 0x07
#define MASK_TV_OUT(x) ((x >> 14) & 1)
#define MASK_xx1(x) ((x >> 9) & 3)
#define MASK_xx2(x) ((x >> 4) & 1)
#define MASK_xx3(x) ((x >> 5) & 1)
#define MASK_xx4(x) ((x >> 6) & 1)
#define MASK_xx5(x) ((x >> 13) & 1)
#define MASK_xx6(x) ((x >> 12) & 1)
#define MASK_xx7(x) ((x >> 11) & 1)
#define NONBUTTON_HEADPHONE (1 << 0)
#define NONBUTTON_DOCK (1 << 1)
#define NONBUTTON_USB (1 << 2)
#define NONBUTTON_POWER (1 << 3)
#define NONBUTTON_VIDEOUT (1 << 4)
static unsigned int btn;
static bool hold_switch;
static unsigned char nonbtn;
static unsigned int pic_init_value;
static unsigned int pic_init2_value;
static unsigned int last_btn;
static long last_tick;
static int tick_diff;
#define TICK_MIN 0x33
#define TICK_MAX 0x34
/* Taken from scramble.c and modified */
static inline unsigned short le2short(unsigned char* buf)
{
return (unsigned short)((buf[1] << 8) | buf[0]);
}
#define map_button(BtN,BtN2) case BtN: \
btn ^= BtN2; \
btn &= BtN2; \
break; \
case BtN ^ BTN_REL: \
btn ^= BtN2; \
btn &= BtN2; \
break;
#ifdef BUTTON_DEBUG
static bool sw = false;
#endif
void GIO0(void)
{
/* Mask GIO0 interrupt */
IO_INTC_IRQ1 = INTR_IRQ1_EXT0;
unsigned char msg[4];
i2c_read(PIC_ADR, msg, sizeof(msg));
tick_diff = current_tick - last_tick;
last_tick = current_tick;
unsigned short btn_press = le2short(msg);
if(tick_diff >= TICK_MIN && tick_diff <= TICK_MAX)
{
/* Ignore this, as it is a hold event */
return;
}
last_btn = btn_press;
switch(btn_press)
{
map_button(BTN_LEFT, BUTTON_LEFT);
map_button(BTN_RIGHT, BUTTON_RIGHT);
map_button(BTN_BACK, BUTTON_BACK);
map_button(BTN_CUSTOM, BUTTON_CUSTOM);
map_button(BTN_MENU, BUTTON_MENU);
map_button(BTN_PLAY, BUTTON_PLAY);
map_button(BTN_POWER, BUTTON_POWER);
map_button(BTN_TOUCHPAD_PRESS, BUTTON_SELECT);
map_button(BTN_TOUCHPAD_CORNER_DOWN, BUTTON_DOWN);
map_button(BTN_TOUCHPAD_CORNER_UP, BUTTON_UP);
#ifndef ZEN_VISION
/* These don't seem to work for some reason on the Zen Vision.. */
case BTN_TOUCHPAD_SCROLL_DOWN:
btn = BUTTON_DOWN;
break;
case BTN_TOUCHPAD_SCROLL_UP:
btn = BUTTON_UP;
break;
#endif
case BTN_HOLD:
hold_switch = true;
break;
case BTN_UNHOLD:
hold_switch = false;
break;
#ifndef ZEN_VISION
/* These don't seem to work for some reason.. */
case HEADPHONE_PLUGIN_A:
case HEADPHONE_PLUGIN_B:
nonbtn |= NONBUTTON_HEADPHONE;
break;
case HEADPHONE_UNPLUG_A:
case HEADPHONE_UNPLUG_B:
nonbtn &= ~NONBUTTON_HEADPHONE;
break;
#endif
case DOCK_INSERT:
nonbtn |= NONBUTTON_DOCK;
break;
case DOCK_UNPLUG:
nonbtn &= ~(NONBUTTON_DOCK | NONBUTTON_USB | NONBUTTON_POWER);
break;
case DOCK_USB_INSERT:
nonbtn |= NONBUTTON_USB;
break;
case DOCK_USB_UNPLUG:
nonbtn &= ~NONBUTTON_USB;
break;
case DOCK_POWER_INSERT:
nonbtn |= NONBUTTON_POWER;
break;
case DOCK_POWER_UNPLUG:
nonbtn &= ~NONBUTTON_POWER;
break;
}
#ifdef BUTTON_DEBUG
unsigned char weergvn[10];
#ifdef BOOTLOADER
lcd_set_foreground((sw ? LCD_RGBPACK(255,0,0) : LCD_RGBPACK(0,255,0) ));
#endif
snprintf(weergvn, sizeof(char)*10, "%x",
(unsigned int)((msg[3] << 24) |
(msg[2] << 16) | (msg[1] << 8) | msg[0]));
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*10, LCD_HEIGHT-SYSFONT_HEIGHT*10,
weergvn);
snprintf(weergvn, sizeof(char)*10, "%x", btn);
lcd_putsxy(LCD_WIDTH-SYSFONT_WIDTH*10, LCD_HEIGHT-SYSFONT_HEIGHT*7,
weergvn);
#ifdef BOOTLOADER
lcd_set_foreground(LCD_BLACK);
#endif
lcd_update();
sw = !sw;
#endif
}
void send_command_to_pic(const unsigned char in, unsigned char* out,
const unsigned int length)
{
/* Disable GIO0 interrupt */
IO_INTC_EINT1 &= ~INTR_EINT1_EXT0;
/* Clear EXT0 interrupt */
IO_INTC_IRQ1 = INTR_IRQ1_EXT0;
/* Write command to I²C */
restart:
i2c_write(PIC_ADR, &in, 1);
/* Wait for PIC */
int i = 0;
while(!(IO_INTC_IRQ1 & INTR_IRQ1_EXT0))
{
sleep(0);
i++;
if(i > 50)
goto restart;
}
/* Read return from I²C */
i2c_read(PIC_ADR, out, length);
/* Re-enable GIO0 interrupt */
IO_INTC_EINT1 |= INTR_EINT1_EXT0;
}
bool headphones_inserted(void)
{
return (bool)(nonbtn & NONBUTTON_HEADPHONE);
}
void button_init_device(void)
{
/* TODO: I suppose GIO0 has to be set to input and enable interrupts on
it? */
/* Enable GIO0 interrupt */
IO_INTC_EINT1 |= INTR_EINT1_EXT0;
btn=nonbtn=pic_init_value=pic_init2_value=last_btn=hold_switch=0;
/* Initialize PIC */
send_command_to_pic(1, (unsigned char *)&pic_init_value,
sizeof(pic_init_value));
send_command_to_pic(2, (unsigned char *)&pic_init2_value,
sizeof(pic_init2_value));
}
int button_read_device(void)
{
if(hold_switch)
return 0;
else
return btn;
}
bool button_hold(void)
{
return hold_switch;
}
bool button_usb_connected(void)
{
return (bool)(nonbtn & NONBUTTON_USB);
}
int pic_dbg_num_items(void)
{
return 13;
}
char* pic_dbg_item(int selected_item, void *data, char *buffer, size_t buffer_len)
{
(void)data;
switch(selected_item)
{
case 0:
snprintf(buffer, buffer_len, "Init value 1: 0x%04x", pic_init_value);
return buffer;
case 1:
snprintf(buffer, buffer_len, "Init value 2: 0x%04x", pic_init2_value);
return buffer;
case 2:
snprintf(buffer, buffer_len, "Last button value: 0x%04x Raw value: 0x%04x", last_btn, btn);
return buffer;
case 3:
snprintf(buffer, buffer_len, "Last button differs in ticks: 0x%04x", tick_diff);
return buffer;
case 4:
snprintf(buffer, buffer_len, "Dock values: 0x%04x", nonbtn);
return buffer;
#define B(n,w,b) case n: \
snprintf(buffer, buffer_len, "%s: 0x%04x", w, b); \
return buffer;
B(5, "MASK_TV_OUT", MASK_TV_OUT(pic_init_value));
B(6, "MASK_xx1", MASK_xx1(pic_init_value));
B(7, "MASK_xx2", MASK_xx2(pic_init_value));
B(8, "MASK_xx3", MASK_xx3(pic_init_value));
B(9, "MASK_xx4", MASK_xx4(pic_init_value));
B(10, "MASK_xx5", MASK_xx5(pic_init_value));
B(11, "MASK_xx6", MASK_xx6(pic_init_value));
B(12, "MASK_xx7", MASK_xx7(pic_init_value));
#undef B
}
return NULL;
}
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