Add cleaned-up xDuoo X3 support

Cleaned up, rebased, and forward-ported from the xvortex fork.

(original credit to vsoftster@gmail.com)

Change-Id: Ibcc023a0271ea81e901450a88317708c2683236d
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
This commit is contained in:
Solomon Peachy 2018-06-28 06:24:26 -04:00 committed by Michael Giacomelli
parent b3e2bd619b
commit 0662793ca0
114 changed files with 17348 additions and 101 deletions

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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.
*
****************************************************************************/
#ifndef _ADC_TARGET_H_
#define _ADC_TARGET_H_
#define NUM_ADC_CHANNELS 4
#define ADC_BUTTONS 0
#endif /* _ADC_TARGET_H_ */

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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.
*
****************************************************************************/
#ifndef ATA_SD_TARGET_H
#define ATA_SD_TARGET_H
#include "cpu.h"
#include "system.h"
#define PIN_SD1_CD (32*0+29) /* Pin to check card insertion */
#define IRQ_SD1_CD GPIO_IRQ(PIN_SD1_CD)
#define GPIO_SD1_CD GPIO29
#define PIN_SD2_CD (32*0+28) /* Pin to check card insertion */
#define IRQ_SD2_CD GPIO_IRQ(PIN_SD2_CD)
#define GPIO_SD2_CD GPIO28
static inline void sd_init_gpio(void)
{
__gpio_as_msc1_pd_4bit();
__gpio_as_msc2_pb_4bit();
__gpio_as_input(PIN_SD1_CD);
__gpio_as_input(PIN_SD2_CD);
__gpio_disable_pull(PIN_SD1_CD);
__gpio_disable_pull(PIN_SD2_CD);
}
#endif

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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 "cpu.h"
#include "backlight-target.h"
#include "lcd.h"
bool backlight_hw_init(void)
{
return true;
}
void backlight_hw_on(void)
{
lcd_enable(true);
}
void backlight_hw_off(void)
{
lcd_enable(false);
}
void backlight_hw_brightness(int brightness)
{
lcd_set_contrast(brightness*16-1);
}
void lcd_sleep(void)
{
backlight_hw_off();
}

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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.
*
****************************************************************************/
#ifndef BUTTON_TARGET_H
#define BUTTON_TARGET_H
#define HAS_BUTTON_HOLD
/* Main unit's buttons */
#define BUTTON_POWER 0x00000001
#define BUTTON_HOME 0x00000002
#define BUTTON_OPTION 0x00000004
#define BUTTON_PREV 0x00000008
#define BUTTON_NEXT 0x00000010
#define BUTTON_PLAY 0x00000020
#define BUTTON_VOL_UP 0x00000040
#define BUTTON_VOL_DOWN 0x00000080
#define BUTTON_LEFT 0
#define BUTTON_RIGHT 0
#define BUTTON_MAIN (BUTTON_POWER | BUTTON_HOME | BUTTON_OPTION | BUTTON_PREV | \
BUTTON_NEXT | BUTTON_PLAY | BUTTON_VOL_UP | BUTTON_VOL_DOWN)
/* Software power-off */
#define POWEROFF_BUTTON BUTTON_POWER
#define POWEROFF_COUNT 10
#endif /* BUTTON_TARGET_H */

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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 "lcd.h"
#include "system.h"
#include "cpu.h"
#include "string.h"
/* LCD pins */
#define PIN_BL_EN (32*4+0)
#define PIN_LCD_D0 (32*2+2)
#define PIN_LCD_D1 (32*2+3)
#define PIN_LCD_D2 (32*2+4)
#define PIN_LCD_D3 (32*2+5)
#define PIN_LCD_D4 (32*2+6)
#define PIN_LCD_D5 (32*2+7)
#define PIN_LCD_D6 (32*2+12)
#define PIN_LCD_D7 (32*2+13)
#define PIN_LCD_RD (32*2+8)
#define PIN_LCD_DC (32*2+9)
#define PIN_LCD_CS (32*2+14)
#define PIN_LCD_RES (32*2+18)
#define PIN_LCD_WR (32*2+19)
/* LCD setup codes */
#define LCD_SET_LOWER_COLUMN_ADDRESS ((char)0x00)
#define LCD_SET_HIGHER_COLUMN_ADDRESS ((char)0x10)
#define LCD_SET_DISPLAY_START_LINE ((char)0x40)
#define LCD_SET_CONTRAST_CONTROL_REGISTER ((char)0x81)
#define LCD_SET_CHARGE_PUMP ((char)0x8D)
#define LCD_SET_SEGMENT_REMAP ((char)0xA0)
#define LCD_SET_SEGMENT_REMAP_INV ((char)0xA1)
#define LCD_SET_ENTIRE_DISPLAY_OFF ((char)0xA4)
#define LCD_SET_ENTIRE_DISPLAY_ON ((char)0xA5)
#define LCD_SET_NORMAL_DISPLAY ((char)0xA6)
#define LCD_SET_REVERSE_DISPLAY ((char)0xA7)
#define LCD_SET_MULTIPLEX_RATIO ((char)0xA8)
#define LCD_SET_DC_DC ((char)0xAD)
#define LCD_SET_DISPLAY_OFF ((char)0xAE)
#define LCD_SET_DISPLAY_ON ((char)0xAF)
#define LCD_SET_PAGE_ADDRESS ((char)0xB0)
#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION ((char)0xC0)
#define LCD_SET_COM_OUTPUT_SCAN_DIRECTION_INV ((char)0xC8)
#define LCD_SET_DISPLAY_OFFSET ((char)0xD3)
#define LCD_SET_DISPLAY_CLOCK_AND_OSC_FREQ ((char)0xD5)
#define LCD_SET_VCOM_HW_CONFIGURATION ((char)0xDA)
#define LCD_SET_VCOM_DESELECT_LEVEL ((char)0xDB)
#define LCD_SET_PRECHARGE_PERIOD ((char)0xD9)
#define LCD_NOP ((char)0xE3)
/* LCD command codes */
#define LCD_CNTL_CONTRAST 0x81 /* Contrast */
#define LCD_CNTL_OUTSCAN 0xc8 /* Output scan direction */
#define LCD_CNTL_SEGREMAP 0xa1 /* Segment remap */
#define LCD_CNTL_DISPON 0xaf /* Display on */
#define LCD_CNTL_PAGE 0xb0 /* Page address */
#define LCD_CNTL_HIGHCOL 0x10 /* Upper column address */
#define LCD_CNTL_LOWCOL 0x00 /* Lower column address */
#define LCD_COL_OFFSET 2 /* column offset */
static inline void bitdelay(void)
{
unsigned int i = 15;
__asm__ __volatile__ (
".set noreorder \n"
"1: \n"
"bne %0, $0, 1b \n"
"addi %0, %0, -1 \n"
".set reorder \n"
: "=r" (i)
: "0" (i)
);
}
void lcd_hw_init(void)
{
REG_GPIO_PXFUNC(2) = 0x000C73FC; /* D0-D7 RD DC CS RES WR */
REG_GPIO_PXSELC(2) = 0x000C73FC;
REG_GPIO_PXDIRS(2) = 0x000C73FC;
REG_GPIO_PXDATS(2) = 0x000C73FC;
__gpio_clear_pin(PIN_BL_EN);
__gpio_as_output(PIN_BL_EN);
__gpio_clear_pin(PIN_LCD_RES);
udelay(1);
__gpio_set_pin(PIN_LCD_RES);
__gpio_clear_pin(PIN_LCD_CS);
}
void lcd_write_command(int byte)
{
__gpio_clear_pin(PIN_LCD_DC);
REG_GPIO_PXDATC(2) = 0x000030FC;
REG_GPIO_PXDATS(2) = ((byte & 0xC0) << 6) | ((byte & 0x3F) << 2);
__gpio_clear_pin(PIN_LCD_WR);
bitdelay();
__gpio_set_pin(PIN_LCD_WR);
bitdelay();
}
void lcd_write_data(const fb_data* p_bytes, int count)
{
__gpio_set_pin(PIN_LCD_DC);
while (count--)
{
REG_GPIO_PXDATC(2) = 0x000030FC;
REG_GPIO_PXDATS(2) = ((*p_bytes & 0xC0) << 6) | ((*p_bytes & 0x3F) << 2);
p_bytes++;
__gpio_clear_pin(PIN_LCD_WR);
bitdelay();
__gpio_set_pin(PIN_LCD_WR);
bitdelay();
}
}
void lcd_enable_power(bool onoff)
{
if (onoff)
__gpio_set_pin(PIN_BL_EN);
else
__gpio_clear_pin(PIN_BL_EN);
}
/** globals **/
static bool display_on = false; /* used by lcd_enable */
/*** hardware configuration ***/
void lcd_set_contrast(int val)
{
lcd_write_command(LCD_CNTL_CONTRAST);
lcd_write_command(val);
}
void lcd_set_invert_display(bool yesno)
{
if (yesno)
lcd_write_command(LCD_SET_REVERSE_DISPLAY);
else
lcd_write_command(LCD_SET_NORMAL_DISPLAY);
}
/* turn the display upside down (call lcd_update() afterwards) */
void lcd_set_flip(bool yesno)
{
if (yesno)
{
lcd_write_command(LCD_SET_SEGMENT_REMAP);
lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION);
}
else
{
lcd_write_command(LCD_SET_SEGMENT_REMAP_INV);
lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION_INV);
}
}
#ifdef HAVE_LCD_ENABLE
void lcd_enable(bool enable)
{
if(display_on == enable)
return;
if( (display_on = enable) ) /* simple '=' is not a typo ! */
{
lcd_enable_power(enable);
lcd_write_command(LCD_SET_DISPLAY_ON);
send_event(LCD_EVENT_ACTIVATION, NULL);
}
else
{
lcd_write_command(LCD_SET_DISPLAY_OFF);
lcd_enable_power(enable);
}
}
bool lcd_active(void)
{
return display_on;
}
#endif
/* LCD init, largely based on what OF does */
void lcd_init_device(void)
{
int i;
lcd_hw_init();
/* Set display off */
lcd_write_command(LCD_SET_DISPLAY_OFF);
/* Set display clock and oscillator frequency */
lcd_write_command(LCD_SET_DISPLAY_CLOCK_AND_OSC_FREQ);
lcd_write_command(0x80);
/* Set multiplex ratio*/
lcd_write_command(LCD_SET_MULTIPLEX_RATIO);
lcd_write_command(0x3F);
/* Set display offset */
lcd_write_command(LCD_SET_DISPLAY_OFFSET);
lcd_write_command(0x00);
/* Set starting line as 0 */
lcd_write_command(LCD_SET_DISPLAY_START_LINE);
/* Set charge pump */
lcd_write_command(LCD_SET_CHARGE_PUMP);
lcd_write_command(0x14); /* VCC Generated by Internal DC/DC Circuit */
/* Column 131 is remapped to SEG0 */
lcd_write_command(LCD_SET_SEGMENT_REMAP_INV);
/* Invert COM scan direction (N-1 to 0) */
lcd_write_command(LCD_SET_COM_OUTPUT_SCAN_DIRECTION_INV);
/* Set COM hardware configuration */
lcd_write_command(LCD_SET_VCOM_HW_CONFIGURATION);
lcd_write_command(0x12);
/* Set contrast control */
lcd_write_command(LCD_SET_CONTRAST_CONTROL_REGISTER);
lcd_write_command(0xCF); /* VCC Generated by Internal DC/DC Circuit */
/* Set pre-charge period */
lcd_write_command(LCD_SET_PRECHARGE_PERIOD);
lcd_write_command(0xF1); /* VCC Generated by Internal DC/DC Circuit */
/* Set VCOM deselect level */
lcd_write_command(LCD_SET_VCOM_DESELECT_LEVEL);
lcd_write_command(0x40);
/* Set normal display mode (not every pixel ON) */
lcd_write_command(LCD_SET_ENTIRE_DISPLAY_OFF);
/* Set normal display mode (not inverted) */
lcd_write_command(LCD_SET_NORMAL_DISPLAY);
fb_data p_bytes[LCD_WIDTH + 2 * LCD_COL_OFFSET];
memset(p_bytes, 0, sizeof(p_bytes)); /* fills with 0 : pixel off */
for(i = 0; i < 8; i++)
{
lcd_write_command (LCD_SET_PAGE_ADDRESS | (i /*& 0xf*/));
lcd_write_data(p_bytes, LCD_WIDTH + 2 * LCD_COL_OFFSET);
}
lcd_enable(true);
lcd_update();
}
/*** Update functions ***/
/* Performance function that works with an external buffer
note that by and bheight are in 8-pixel units! */
void lcd_blit_mono(const unsigned char *data, int x, int by, int width,
int bheight, int stride)
{
if(!display_on)
return;
/* Copy display bitmap to hardware */
while (bheight--)
{
lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf));
lcd_write_command (LCD_CNTL_HIGHCOL | (((x+LCD_COL_OFFSET)>>4) & 0xf));
lcd_write_command (LCD_CNTL_LOWCOL | ((x+LCD_COL_OFFSET) & 0xf));
lcd_write_data(data, width);
data += stride;
}
}
#ifndef BOOTLOADER
/* Helper function for lcd_grey_phase_blit(). */
void lcd_grey_data(unsigned char *values, unsigned char *phases, int count) ICODE_ATTR;
void lcd_grey_data(unsigned char *values, unsigned char *phases, int count)
{
unsigned char a, b, c, d;
__gpio_set_pin(PIN_LCD_DC);
while(count--)
{
c = 0;
d = 8;
while(d--)
{
a = *phases;
b = *values++;
b += a & ~0x80;
*phases++ = b;
c <<= 1;
c |= a >> 7;
}
REG_GPIO_PXDATC(2) = 0x000030FC;
REG_GPIO_PXDATS(2) = ((c & 0xC0) << 6) | ((c & 0x3F) << 2);
__gpio_clear_pin(PIN_LCD_WR);
bitdelay();
__gpio_set_pin(PIN_LCD_WR);
bitdelay();
}
}
/* Performance function that works with an external buffer
note that by and bheight are in 8-pixel units! */
void lcd_blit_grey_phase(unsigned char *values, unsigned char *phases,
int x, int by, int width, int bheight, int stride)
{
if(!display_on)
return;
stride <<= 3; /* 8 pixels per block */
/* Copy display bitmap to hardware */
while (bheight--)
{
lcd_write_command (LCD_CNTL_PAGE | (by++ & 0xf));
lcd_write_command (LCD_CNTL_HIGHCOL | (((x+LCD_COL_OFFSET)>>4) & 0xf));
lcd_write_command (LCD_CNTL_LOWCOL | ((x+LCD_COL_OFFSET) & 0xf));
lcd_grey_data(values, phases, width);
values += stride;
phases += stride;
}
}
#endif
/* Update the display.
This must be called after all other LCD functions that change the display. */
void lcd_update(void) ICODE_ATTR;
void lcd_update(void)
{
int y;
if(!display_on)
return;
/* Copy display bitmap to hardware */
for (y = 0; y < LCD_FBHEIGHT; y++)
{
lcd_write_command (LCD_CNTL_PAGE | (y & 0xf));
lcd_write_command (LCD_CNTL_HIGHCOL | ((LCD_COL_OFFSET >> 4) & 0xf));
lcd_write_command (LCD_CNTL_LOWCOL | (LCD_COL_OFFSET & 0xf));
lcd_write_data (FBADDR(0, y), LCD_WIDTH);
}
}
/* Update a fraction of the display. */
void lcd_update_rect(int, int, int, int) ICODE_ATTR;
void lcd_update_rect(int x, int y, int width, int height)
{
int ymax;
if(!display_on)
return;
/* The Y coordinates have to work on even 8 pixel rows */
if (x < 0)
{
width += x;
x = 0;
}
if (x + width > LCD_WIDTH)
width = LCD_WIDTH - x;
if (width <= 0)
return; /* nothing left to do, 0 is harmful to lcd_write_data() */
if (y < 0)
{
height += y;
y = 0;
}
if (y + height > LCD_HEIGHT)
height = LCD_HEIGHT - y;
if (height <= 0)
return; /* nothing left to do */
ymax = (y + height-1) >> 3;
y >>= 3;
/* Copy specified rectange bitmap to hardware */
for (; y <= ymax; y++)
{
lcd_write_command (LCD_CNTL_PAGE | (y & 0xf));
lcd_write_command (LCD_CNTL_HIGHCOL | (((x+LCD_COL_OFFSET) >> 4) & 0xf));
lcd_write_command (LCD_CNTL_LOWCOL | ((x+LCD_COL_OFFSET) & 0xf));
lcd_write_data (FBADDR(x,y), width);
}
}

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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 "power.h"
#include "cpu.h"
#define CHARGE_STAT_GPIO (32*1+6) /* STAT port */
/* Detect which power sources are present. */
unsigned int power_input_status(void)
{
if(!__gpio_get_pin(CHARGE_STAT_GPIO))
return POWER_INPUT_USB_CHARGER;
return POWER_INPUT_NONE;
}
void power_init(void)
{
__gpio_as_input(CHARGE_STAT_GPIO);
__gpio_disable_pull(CHARGE_STAT_GPIO);
}
bool charging_state(void)
{
return (power_input_status() == POWER_INPUT_USB_CHARGER);
}

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 by Roman Stolyarov
*
* 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 "cpu.h"
#include "button.h"
#include "button-target.h"
#include "powermgmt.h"
#include "kernel.h"
#include "backlight.h"
#include "logf.h"
#include "adc.h"
#define PIN_BTN_POWER (32*0+30)
#define PIN_BTN_HOLD (32*1+15)
#define PIN_KEY_INT (32*4+13)
#define KEY_INT_IRQ GPIO141
#define PIN_CHARGE_CON (32*1+7)
#define PIN_PH_DECT (32*1+11)
#define IRQ_PH_DECT GPIO_IRQ(PIN_PH_DECT)
#define GPIO_PH_DECT GPIO43
#define PIN_LO_DECT (32*1+12)
#define IRQ_LO_DECT GPIO_IRQ(PIN_LO_DECT)
#define GPIO_LO_DECT GPIO44
static volatile unsigned short bat_val,key_val;
bool headphones_inserted(void)
{
return (__gpio_get_pin(PIN_PH_DECT) != 0);
}
void button_init_device(void)
{
key_val = 0xfff;
__gpio_as_input(PIN_BTN_POWER);
__gpio_as_input(PIN_BTN_HOLD);
__gpio_disable_pull(PIN_BTN_POWER);
__gpio_disable_pull(PIN_BTN_HOLD);
__gpio_as_irq_fall_edge(PIN_KEY_INT);
system_enable_irq(GPIO_IRQ(PIN_KEY_INT));
__gpio_set_pin(PIN_CHARGE_CON); /* 0.7 A */
__gpio_as_output(PIN_CHARGE_CON);
__gpio_as_input(PIN_LO_DECT);
__gpio_as_input(PIN_PH_DECT);
__gpio_disable_pull(PIN_LO_DECT);
__gpio_disable_pull(PIN_PH_DECT);
}
bool button_hold(void)
{
return (__gpio_get_pin(PIN_BTN_HOLD) ? true : false);
}
int button_read_device(void)
{
static bool hold_button = false;
bool hold_button_old;
hold_button_old = hold_button;
hold_button = (__gpio_get_pin(PIN_BTN_HOLD) ? true : false);
int btn = BUTTON_NONE;
bool gpio_btn = (__gpio_get_pin(PIN_BTN_POWER) ? false : true);
REG_SADC_ADCFG = ADCFG_VBAT_SEL + ADCFG_CMD_AUX(1);
REG_SADC_ADENA = ADENA_VBATEN + ADENA_AUXEN;
#ifndef BOOTLOADER
if (hold_button != hold_button_old) {
backlight_hold_changed(hold_button);
}
if (hold_button) {
return BUTTON_NONE;
}
#endif
if (gpio_btn)
btn |= BUTTON_POWER;
if (key_val < 261)
btn |= BUTTON_VOL_UP;
else
if (key_val < 653)
btn |= BUTTON_VOL_DOWN;
else
if (key_val < 1101)
btn |= BUTTON_PREV;
else
if (key_val < 1498)
btn |= BUTTON_NEXT;
else
if (key_val < 1839)
btn |= BUTTON_PLAY;
else
if (key_val < 2213)
btn |= BUTTON_OPTION;
else
if (key_val < 2600)
btn |= BUTTON_HOME;
return btn;
}
/* called on button press interrupt */
void KEY_INT_IRQ(void)
{
}
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
/* 5% */
3634
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
/* 0% */
3300
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
{ 3300, 3652, 3704, 3730, 3753, 3786, 3836, 3906, 3973, 4061, 4160 }
};
#if CONFIG_CHARGING
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
{ 3300, 3652, 3704, 3730, 3753, 3786, 3836, 3906, 3973, 4061, 4160 };
#endif /* CONFIG_CHARGING */
/* VBAT = (BDATA/1024) * 2.5V */
#define BATTERY_SCALE_FACTOR 2460
/* Returns battery voltage from ADC [millivolts] */
int _battery_voltage(void)
{
return (bat_val*BATTERY_SCALE_FACTOR)>>10;
}
void adc_init(void)
{
bat_val = 0xfff;
__cpm_start_sadc();
mdelay(10);
REG_SADC_ADENA = 0; /* Power Up */
mdelay(70);
REG_SADC_ADSTATE = 0;
REG_SADC_ADCTRL = ADCTRL_MASK_ALL - ADCTRL_ARDYM - ADCTRL_VRDYM;
REG_SADC_ADCFG = ADCFG_VBAT_SEL + ADCFG_CMD_AUX(1);
REG_SADC_ADCLK = (4 << 16) | (1 << 8) | 59; /* 200KHz */
system_enable_irq(IRQ_SADC);
}
void adc_close(void)
{
REG_SADC_ADENA = ADENA_POWER; /* Power Down */
__intc_mask_irq(IRQ_SADC);
mdelay(20);
__cpm_stop_sadc();
}
/* Interrupt handler */
void SADC(void)
{
unsigned char state;
unsigned char sadcstate;
sadcstate = REG_SADC_ADSTATE;
state = REG_SADC_ADSTATE & (~REG_SADC_ADCTRL);
REG_SADC_ADSTATE &= sadcstate;
if(state & ADCTRL_ARDYM)
{
key_val = REG_SADC_ADADAT;
}
if(state & ADCTRL_VRDYM)
{
bat_val = REG_SADC_ADVDAT;
}
}