23d9812273
struct plugin_api *rb is declared in PLUGIN_HEADER, and pointed to by __header.api the loader uses this pointer to initialize rb before calling entry_point entry_point is no longer passed a pointer to the plugin API all plugins, and pluginlib functions, are modified to refer to the global rb pluginlib functions which only served to copy the API pointer are removed git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19776 a1c6a512-1295-4272-9138-f99709370657
243 lines
7.8 KiB
C
243 lines
7.8 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) 2008 Jens Arnold
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 "plugin.h"
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#include "lib/grey.h"
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#include "lib/helper.h"
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PLUGIN_HEADER
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#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) \
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|| (CONFIG_KEYPAD == IPOD_1G2G_PAD)
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#define GREY_QUIT BUTTON_MENU
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#define GREY_OK BUTTON_SELECT
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#define GREY_PREV BUTTON_LEFT
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#define GREY_NEXT BUTTON_RIGHT
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#define GREY_UP BUTTON_SCROLL_FWD
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#define GREY_DOWN BUTTON_SCROLL_BACK
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#elif CONFIG_KEYPAD == IRIVER_H100_PAD
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#define GREY_QUIT BUTTON_OFF
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#define GREY_OK BUTTON_SELECT
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#define GREY_PREV BUTTON_LEFT
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#define GREY_NEXT BUTTON_RIGHT
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#define GREY_UP BUTTON_UP
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#define GREY_DOWN BUTTON_DOWN
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#elif CONFIG_KEYPAD == RECORDER_PAD
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#define GREY_QUIT BUTTON_OFF
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#define GREY_OK BUTTON_PLAY
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#define GREY_PREV BUTTON_LEFT
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#define GREY_NEXT BUTTON_RIGHT
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#define GREY_UP BUTTON_UP
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#define GREY_DOWN BUTTON_DOWN
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#elif CONFIG_KEYPAD == ONDIO_PAD
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#define GREY_QUIT BUTTON_OFF
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#define GREY_OK BUTTON_MENU
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#define GREY_PREV BUTTON_LEFT
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#define GREY_NEXT BUTTON_RIGHT
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#define GREY_UP BUTTON_UP
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#define GREY_DOWN BUTTON_DOWN
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#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD) \
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|| (CONFIG_KEYPAD == MROBE100_PAD) \
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|| (CONFIG_KEYPAD == SANSA_CLIP_PAD)
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#define GREY_QUIT BUTTON_POWER
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#define GREY_OK BUTTON_SELECT
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#define GREY_PREV BUTTON_LEFT
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#define GREY_NEXT BUTTON_RIGHT
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#define GREY_UP BUTTON_UP
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#define GREY_DOWN BUTTON_DOWN
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#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
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#define GREY_QUIT BUTTON_RC_REC
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#define GREY_OK BUTTON_RC_PLAY
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#define GREY_PREV BUTTON_RC_REW
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#define GREY_NEXT BUTTON_RC_FF
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#define GREY_UP BUTTON_RC_VOL_UP
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#define GREY_DOWN BUTTON_RC_VOL_DOWN
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#else
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#error unsupported keypad
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#endif
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#define BLOCK_WIDTH (LCD_WIDTH/8)
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#define BLOCK_HEIGHT (LCD_HEIGHT/8)
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#define STEPS 16
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GREY_INFO_STRUCT
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static const unsigned char dither_matrix[16][16] = {
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{ 0,192, 48,240, 12,204, 60,252, 3,195, 51,243, 15,207, 63,255 },
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{ 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 },
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{ 32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 },
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{ 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 },
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{ 8,200, 56,248, 4,196, 52,244, 11,203, 59,251, 7,199, 55,247 },
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{ 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 },
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{ 40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 },
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{ 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 },
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{ 2,194, 50,242, 14,206, 62,254, 1,193, 49,241, 13,205, 61,253 },
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{ 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 },
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{ 34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 },
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{ 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 },
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{ 10,202, 58,250, 6,198, 54,246, 9,201, 57,249, 5,197, 53,245 },
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{ 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 },
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{ 42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 },
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{ 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 }
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};
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static unsigned char input_levels[STEPS+1];
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static unsigned char lcd_levels[STEPS+1];
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static unsigned char *gbuf;
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static size_t gbuf_size = 0;
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static void fill_rastered(int bx, int by, int bw, int bh, int step)
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{
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int x, xmax, y, ymax;
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int level;
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if (step < 0)
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step = 0;
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else if (step > STEPS)
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step = STEPS;
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level = input_levels[step];
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level += (level-1) >> 7;
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for (y = (LCD_HEIGHT/2) + by * BLOCK_HEIGHT, ymax = y + bh * BLOCK_HEIGHT;
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y < ymax; y++)
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{
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for (x = (LCD_WIDTH/2) + bx * BLOCK_WIDTH, xmax = x + bw * BLOCK_WIDTH;
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x < xmax; x++)
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{
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grey_set_foreground((level > dither_matrix[y & 0xf][x & 0xf])
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? 255 : 0);
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grey_drawpixel(x, y);
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}
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}
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}
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/* plugin entry point */
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enum plugin_status plugin_start(const void* parameter)
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{
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bool done = false;
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int cur_step = 1;
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int button, i, l, fd;
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unsigned char filename[MAX_PATH];
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/* standard stuff */
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(void)parameter;
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gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
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if (!grey_init(gbuf, gbuf_size,
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GREY_BUFFERED|GREY_RAWMAPPED|GREY_ON_COP,
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LCD_WIDTH, LCD_HEIGHT, NULL))
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{
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rb->splash(HZ, "Not enough memory.");
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return PLUGIN_ERROR;
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}
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for (i = 0; i <= STEPS; i++)
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input_levels[i] = lcd_levels[i] = (255 * i + (STEPS/2)) / STEPS;
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backlight_force_on(); /* backlight control in lib/helper.c */
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grey_set_background(0); /* set background to black */
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grey_clear_display();
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grey_show(true);
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while (!done)
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{
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fill_rastered(-3, -3, 2, 2, cur_step - 1);
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fill_rastered(-1, -3, 2, 2, cur_step);
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fill_rastered(1, -3, 2, 2, cur_step + 1);
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fill_rastered(-3, -1, 2, 2, cur_step);
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grey_set_foreground(lcd_levels[cur_step]);
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grey_fillrect(LCD_WIDTH/2-BLOCK_WIDTH, LCD_HEIGHT/2-BLOCK_HEIGHT,
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2*BLOCK_WIDTH, 2*BLOCK_HEIGHT);
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fill_rastered(1, -1, 2, 2, cur_step);
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fill_rastered(-3, 1, 2, 2, cur_step + 1);
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fill_rastered(-1, 1, 2, 2, cur_step);
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fill_rastered(1, 1, 2, 2, cur_step - 1);
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grey_update();
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button = rb->button_get(true);
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switch (button)
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{
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case GREY_PREV:
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if (cur_step > 0)
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cur_step--;
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break;
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case GREY_NEXT:
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if (cur_step < STEPS)
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cur_step++;
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break;
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case GREY_UP:
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case GREY_UP|BUTTON_REPEAT:
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l = lcd_levels[cur_step];
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if (l < 255)
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{
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l++;
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for (i = cur_step; i <= STEPS; i++)
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if (lcd_levels[i] < l)
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lcd_levels[i] = l;
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}
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break;
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case GREY_DOWN:
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case GREY_DOWN|BUTTON_REPEAT:
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l = lcd_levels[cur_step];
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if (l > 0)
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{
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l--;
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for (i = cur_step; i >= 0; i--)
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if (lcd_levels[i] > l)
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lcd_levels[i] = l;
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}
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break;
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case GREY_OK:
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rb->create_numbered_filename(filename, "/", "test_grey_",
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".txt", 2 IF_CNFN_NUM_(, NULL));
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fd = rb->open(filename, O_RDWR|O_CREAT|O_TRUNC);
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if (fd >= 0)
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{
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for (i = 0; i <= STEPS; i++)
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rb->fdprintf(fd, "%3d: %3d\n", input_levels[i],
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lcd_levels[i]);
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rb->close(fd);
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}
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/* fall through */
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case GREY_QUIT:
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done = true;
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break;
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}
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}
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grey_release();
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backlight_use_settings(); /* backlight control in lib/helper.c */
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return PLUGIN_OK;
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}
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