Embedded Artists / DMBasicGUI

A basic graphics package for the LPC4088 Display Module.

Dependents:   lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI lpc4088_displaymodule_fs_aid ... more

Fork of DMBasicGUI by EmbeddedArtists AB

lpc_swim/lpc_colors.c@0:4977187e90c7, 2014-12-11 (annotated)

Committer:
embeddedartists
Date:
Thu Dec 11 11:03:57 2014 +0000
Revision:
0:4977187e90c7
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:4977187e90c7 1 /*
embeddedartists 0:4977187e90c7 2 * @brief SWIM color definitions and palette table setup
embeddedartists 0:4977187e90c7 3 *
embeddedartists 0:4977187e90c7 4 * @note
embeddedartists 0:4977187e90c7 5 * Copyright(C) NXP Semiconductors, 2012
embeddedartists 0:4977187e90c7 6 * All rights reserved.
embeddedartists 0:4977187e90c7 7 *
embeddedartists 0:4977187e90c7 8 * @par
embeddedartists 0:4977187e90c7 9 * Software that is described herein is for illustrative purposes only
embeddedartists 0:4977187e90c7 10 * which provides customers with programming information regarding the
embeddedartists 0:4977187e90c7 11 * LPC products. This software is supplied "AS IS" without any warranties of
embeddedartists 0:4977187e90c7 12 * any kind, and NXP Semiconductors and its licensor disclaim any and
embeddedartists 0:4977187e90c7 13 * all warranties, express or implied, including all implied warranties of
embeddedartists 0:4977187e90c7 14 * merchantability, fitness for a particular purpose and non-infringement of
embeddedartists 0:4977187e90c7 15 * intellectual property rights. NXP Semiconductors assumes no responsibility
embeddedartists 0:4977187e90c7 16 * or liability for the use of the software, conveys no license or rights under any
embeddedartists 0:4977187e90c7 17 * patent, copyright, mask work right, or any other intellectual property rights in
embeddedartists 0:4977187e90c7 18 * or to any products. NXP Semiconductors reserves the right to make changes
embeddedartists 0:4977187e90c7 19 * in the software without notification. NXP Semiconductors also makes no
embeddedartists 0:4977187e90c7 20 * representation or warranty that such application will be suitable for the
embeddedartists 0:4977187e90c7 21 * specified use without further testing or modification.
embeddedartists 0:4977187e90c7 22 *
embeddedartists 0:4977187e90c7 23 * @par
embeddedartists 0:4977187e90c7 24 * Permission to use, copy, modify, and distribute this software and its
embeddedartists 0:4977187e90c7 25 * documentation is hereby granted, under NXP Semiconductors' and its
embeddedartists 0:4977187e90c7 26 * licensor's relevant copyrights in the software, without fee, provided that it
embeddedartists 0:4977187e90c7 27 * is used in conjunction with NXP Semiconductors microcontrollers. This
embeddedartists 0:4977187e90c7 28 * copyright, permission, and disclaimer notice must appear in all copies of
embeddedartists 0:4977187e90c7 29 * this code.
embeddedartists 0:4977187e90c7 30 */
embeddedartists 0:4977187e90c7 31
embeddedartists 0:4977187e90c7 32 #include "lpc_colors.h"
embeddedartists 0:4977187e90c7 33
embeddedartists 0:4977187e90c7 34 /*****************************************************************************
embeddedartists 0:4977187e90c7 35 * Private types/enumerations/variables
embeddedartists 0:4977187e90c7 36 ****************************************************************************/
embeddedartists 0:4977187e90c7 37
embeddedartists 0:4977187e90c7 38 /*****************************************************************************
embeddedartists 0:4977187e90c7 39 * Public types/enumerations/variables
embeddedartists 0:4977187e90c7 40 ****************************************************************************/
embeddedartists 0:4977187e90c7 41
embeddedartists 0:4977187e90c7 42 /*****************************************************************************
embeddedartists 0:4977187e90c7 43 * Private functions
embeddedartists 0:4977187e90c7 44 ****************************************************************************/
embeddedartists 0:4977187e90c7 45
embeddedartists 0:4977187e90c7 46 /*****************************************************************************
embeddedartists 0:4977187e90c7 47 * Public functions
embeddedartists 0:4977187e90c7 48 ****************************************************************************/
embeddedartists 0:4977187e90c7 49
embeddedartists 0:4977187e90c7 50 /* Generate a palette table (only in 8-bit mode) */
embeddedartists 0:4977187e90c7 51 void lpc_colors_set_palette(uint16_t *palette_table)
embeddedartists 0:4977187e90c7 52 {
embeddedartists 0:4977187e90c7 53 #if COLORS_DEF == 8
embeddedartists 0:4977187e90c7 54 int32_t idx;
embeddedartists 0:4977187e90c7 55 uint16_t entry, r, g, b;
embeddedartists 0:4977187e90c7 56
embeddedartists 0:4977187e90c7 57 /* 256 entries */
embeddedartists 0:4977187e90c7 58 for (idx = 0; idx < NUM_COLORS; idx++) {
embeddedartists 0:4977187e90c7 59 r = ((uint16_t) idx & REDMASK) >> REDSHIFT;
embeddedartists 0:4977187e90c7 60 g = ((uint16_t) idx & GREENMASK) >> GREENSHIFT;
embeddedartists 0:4977187e90c7 61 b = ((uint16_t) idx & BLUEMASK) >> BLUESHIFT;
embeddedartists 0:4977187e90c7 62
embeddedartists 0:4977187e90c7 63 #ifdef COLORS_8_565_MODE
embeddedartists 0:4977187e90c7 64 /* Strip out and scale colors */
embeddedartists 0:4977187e90c7 65 r = r * 0x1F / ((REDMASK >> REDSHIFT) + 1);
embeddedartists 0:4977187e90c7 66 g = g * 0x3F / ((GREENMASK >> GREENSHIFT) + 1);
embeddedartists 0:4977187e90c7 67 b = b * 0x1F / ((BLUEMASK >> BLUESHIFT) + 1);
embeddedartists 0:4977187e90c7 68 entry = b + (g << 5) + (r << 11);
embeddedartists 0:4977187e90c7 69
embeddedartists 0:4977187e90c7 70 #else
embeddedartists 0:4977187e90c7 71 /* Strip out and scale colors */
embeddedartists 0:4977187e90c7 72 r = r * 0x1F / ((REDMASK >> REDSHIFT) + 1);
embeddedartists 0:4977187e90c7 73 g = g * 0x1F / ((GREENMASK >> GREENSHIFT) + 1);
embeddedartists 0:4977187e90c7 74 b = b * 0x1F / ((BLUEMASK >> BLUESHIFT) + 1);
embeddedartists 0:4977187e90c7 75 entry = b + (g << 5) + (r << 10);
embeddedartists 0:4977187e90c7 76 #endif
embeddedartists 0:4977187e90c7 77
embeddedartists 0:4977187e90c7 78 /* Save palette entry */
embeddedartists 0:4977187e90c7 79 palette_table[idx] = entry;
embeddedartists 0:4977187e90c7 80 }
embeddedartists 0:4977187e90c7 81 #endif /* COLORS_DEF == 8 */
embeddedartists 0:4977187e90c7 82 }
embeddedartists 0:4977187e90c7 83