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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2013 by Lorenzo Miori
*
* 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 "system.h"
#include "lcd.h"
#include "string.h"
#include "pinctrl-imx233.h"
#include "power-imx233.h"
#include "button-lradc-imx233.h"
#include "button-target.h"
#ifndef BOOTLOADER
#include "touchscreen.h"
#include "touchscreen-imx233.h"
#include "button.h"
#include "font.h"
#include "action.h"
#endif
struct imx233_button_lradc_mapping_t imx233_button_lradc_mapping[] =
{
{455, BUTTON_VOL_UP},
{900, BUTTON_VOL_DOWN},
{1410, BUTTON_BACK},
{1868, BUTTON_FF},
{2311, BUTTON_REW},
{2700, 0},
{3300, IMX233_BUTTON_LRADC_END},
};
#ifndef BOOTLOADER
static int last_x = 0;
static int last_y = 0;
static bool touching = false;
#endif /* BOOTLOADER */
#ifndef BOOTLOADER
/* Touchpad extra pin initialization
* Strange facts:
* 1. In the fully working sample I have, it seems that pins
* must be all set to low
* 2. In the other sample without LCD, it seems (by measurement) that
* not all the pins are set to low! Actually, I still need to see if
* touchpad works in this other sample.
*/
void touchpad_pin_setup(void)
{
/* TX+ */
imx233_pinctrl_acquire(0, 25, "touchpad X+ power low");
imx233_pinctrl_set_function(0, 25, PINCTRL_FUNCTION_GPIO);
imx233_pinctrl_set_drive(0, 25, PINCTRL_DRIVE_4mA);
imx233_pinctrl_enable_gpio(0, 25, true);
/* TY+ */
imx233_pinctrl_acquire(0, 26, "touchpad Y+ power high");
imx233_pinctrl_set_function(0, 26, PINCTRL_FUNCTION_GPIO);
imx233_pinctrl_set_drive(0, 26, PINCTRL_DRIVE_4mA);
imx233_pinctrl_enable_gpio(0, 26, true);
/* TY- */
imx233_pinctrl_acquire(1, 21, "touchpad Y- power low");
imx233_pinctrl_set_function(1, 21, PINCTRL_FUNCTION_GPIO);
imx233_pinctrl_set_drive(1, 21, PINCTRL_DRIVE_4mA);
imx233_pinctrl_enable_gpio(1, 21, true);
/* TX- */
imx233_pinctrl_acquire(3, 15, "touchpad X- power high");
imx233_pinctrl_set_function(3, 15, PINCTRL_FUNCTION_GPIO);
imx233_pinctrl_set_drive(3, 15, PINCTRL_DRIVE_4mA);
imx233_pinctrl_enable_gpio(3, 15, true);
}
#endif /* BOOTLOADER */
void button_init_device(void)
{
imx233_button_lradc_init();
#ifndef BOOTLOADER
touchpad_pin_setup();
/* Now that is powered up, proceed with touchpad initialization */
imx233_touchscreen_init();
imx233_touchscreen_enable(true);
#endif /* BOOTLOADER */
}
bool button_hold(void)
{
return imx233_button_lradc_hold();
}
/* X, Y, RadiusX, RadiusY */
#define TOUCH_UP 2400, 1050, 650, 250
#define TOUCH_DOWN 2057, 3320, 500, 350
#define TOUCH_LEFT 3581, 2297, 300, 350
#define TOUCH_RIGHT 1000, 2100, 400, 700
#define TOUCH_CENTER 2682, 2167, 335, 276
bool coord_in_radius(int x, int y, int cx, int cy, int rx, int ry)
{
return ((x >= cx - rx && x <= cx + rx) && (y >= cy - ry && y <= cy + ry));
}
int button_read_device(void)
{
int res = 0;
switch(imx233_power_read_pswitch())
{
case 1: res |= BUTTON_POWER; break;
case 3: res |= BUTTON_SELECT; break;
}
#ifndef BOOTLOADER
touching = imx233_touchscreen_get_touch(&last_x, &last_y);
if(touching)
{
if (coord_in_radius(last_x, last_y, TOUCH_LEFT))
{
res |= BUTTON_LEFT;
}
else if (coord_in_radius(last_x, last_y, TOUCH_RIGHT))
{
res |= BUTTON_RIGHT;
}
else if (coord_in_radius(last_x, last_y, TOUCH_DOWN))
{
res |= BUTTON_DOWN;
}
else if (coord_in_radius(last_x, last_y, TOUCH_UP))
{
res |= BUTTON_UP;
}
}
#endif /* BOOTLOADER */
return imx233_button_lradc_read(res);
}
#ifndef BOOTLOADER
#define MAX_ENTRIES 100
#define VIEWPORT_HEIGHT 100
#define VIEWPORT_WIDTH 100
#define MAX_X 3700
#define MAX_Y 3700
#define ADAPT_TO_VIEWPORT(cx, cy, rx, ry) ((float)(cx) / MAX_X) * VIEWPORT_WIDTH, \
((float)(cy) / MAX_Y) * VIEWPORT_HEIGHT, \
((float)(rx) / MAX_X) * VIEWPORT_WIDTH, \
((float)(ry) / MAX_Y) * VIEWPORT_HEIGHT
static void draw_calibration_rect(int cx, int cy, int rx, int ry)
{
if (coord_in_radius(last_x, last_y, cx, cy, rx, ry))
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0xff, 0xff), LCD_BLACK);
else
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0, 0), LCD_BLACK);
lcd_drawrect(ADAPT_TO_VIEWPORT(cx - rx, cy - ry, 2 * rx, 2 * ry));
}
bool button_debug_screen(void)
{
int last = 0;
struct point_t
{
int x;
int y;
};
struct point_t last_entries[MAX_ENTRIES];
struct viewport report_vp;
memset(&report_vp, 0, sizeof(report_vp));
report_vp.x = (LCD_WIDTH - VIEWPORT_WIDTH) / 2;
report_vp.y = (LCD_HEIGHT - VIEWPORT_HEIGHT) / 2;
report_vp.width = VIEWPORT_WIDTH;
report_vp.height = VIEWPORT_HEIGHT;
lcd_setfont(FONT_SYSFIXED);
lcd_clear_display();
while(1)
{
int button = get_action(CONTEXT_STD, HZ / 10);
switch(button)
{
case ACTION_STD_OK:
case ACTION_STD_MENU:
lcd_set_viewport(NULL);
lcd_setfont(FONT_UI);
lcd_clear_display();
return true;
case ACTION_STD_CANCEL:
lcd_set_viewport(NULL);
lcd_setfont(FONT_UI);
lcd_clear_display();
return false;
}
lcd_set_viewport(NULL);
lcd_putsf(0, 1, "(%d,%d) %s", last_x, last_y, touching ? "touching!" : "");
lcd_putsf(0, 0, "Type %s", imx233_pinctrl_get_gpio(0, 31) ? "CAP" : "REG");
lcd_set_viewport(&report_vp);
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0, 0, 0xff), LCD_BLACK);
lcd_drawrect(0, 0, 100, 100);
float percent_x = ((float)(last_x) / MAX_X);
float percent_y = ((float)(last_y) / MAX_Y);
if (touching)
{
lcd_set_viewport(NULL);
if (last < MAX_ENTRIES)
{
last_entries[last].x = last_x;
last_entries[last].y = last_y;
last++;
lcd_putsf(0, 17, "Recording: %d captures left", MAX_ENTRIES - last);
}
else
{
int min_x = 9999;
int min_y = 9999;
int max_x = -1;
int max_y = -1;
int median_x = 0;
int median_y = 0;
for (int i = 0; i < MAX_ENTRIES; i++)
{
min_x = MIN(min_x, last_entries[i].x);
min_y = MIN(min_y, last_entries[i].y);
max_x = MAX(max_x, last_entries[i].x);
max_y = MAX(max_y, last_entries[i].y);
median_x += last_entries[i].x;
median_y += last_entries[i].y;
}
median_x /= MAX_ENTRIES;
median_y /= MAX_ENTRIES;
lcd_putsf(0, 17, "center(%d,%d)", median_x, median_y);
lcd_putsf(0, 18, "radius(%d,%d)", median_x / 2, median_y / 2);
}
lcd_set_viewport(&report_vp);
lcd_set_drawinfo(DRMODE_SOLID, LCD_RGBPACK(0xff, 0x8c, 0), LCD_BLACK);
lcd_fillrect(VIEWPORT_WIDTH * percent_x, VIEWPORT_HEIGHT * percent_y, 2, 2);
}
/* Draw current calibration settings */
lcd_set_viewport(&report_vp);
draw_calibration_rect(TOUCH_UP);
draw_calibration_rect(TOUCH_DOWN);
draw_calibration_rect(TOUCH_CENTER);
draw_calibration_rect(TOUCH_LEFT);
draw_calibration_rect(TOUCH_RIGHT);
lcd_update();
yield();
}
return true;
}
#endif
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