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
lpc_swim/lpc_colors.c
- Committer:
- embeddedartists
- Date:
- 2019-11-04
- Revision:
- 22:f0d00f29bfeb
- Parent:
- 0:4977187e90c7
File content as of revision 22:f0d00f29bfeb:
/* * @brief SWIM color definitions and palette table setup * * @note * Copyright(C) NXP Semiconductors, 2012 * All rights reserved. * * @par * Software that is described herein is for illustrative purposes only * which provides customers with programming information regarding the * LPC products. This software is supplied "AS IS" without any warranties of * any kind, and NXP Semiconductors and its licensor disclaim any and * all warranties, express or implied, including all implied warranties of * merchantability, fitness for a particular purpose and non-infringement of * intellectual property rights. NXP Semiconductors assumes no responsibility * or liability for the use of the software, conveys no license or rights under any * patent, copyright, mask work right, or any other intellectual property rights in * or to any products. NXP Semiconductors reserves the right to make changes * in the software without notification. NXP Semiconductors also makes no * representation or warranty that such application will be suitable for the * specified use without further testing or modification. * * @par * Permission to use, copy, modify, and distribute this software and its * documentation is hereby granted, under NXP Semiconductors' and its * licensor's relevant copyrights in the software, without fee, provided that it * is used in conjunction with NXP Semiconductors microcontrollers. This * copyright, permission, and disclaimer notice must appear in all copies of * this code. */ #include "lpc_colors.h" /***************************************************************************** * Private types/enumerations/variables ****************************************************************************/ /***************************************************************************** * Public types/enumerations/variables ****************************************************************************/ /***************************************************************************** * Private functions ****************************************************************************/ /***************************************************************************** * Public functions ****************************************************************************/ /* Generate a palette table (only in 8-bit mode) */ void lpc_colors_set_palette(uint16_t *palette_table) { #if COLORS_DEF == 8 int32_t idx; uint16_t entry, r, g, b; /* 256 entries */ for (idx = 0; idx < NUM_COLORS; idx++) { r = ((uint16_t) idx & REDMASK) >> REDSHIFT; g = ((uint16_t) idx & GREENMASK) >> GREENSHIFT; b = ((uint16_t) idx & BLUEMASK) >> BLUESHIFT; #ifdef COLORS_8_565_MODE /* Strip out and scale colors */ r = r * 0x1F / ((REDMASK >> REDSHIFT) + 1); g = g * 0x3F / ((GREENMASK >> GREENSHIFT) + 1); b = b * 0x1F / ((BLUEMASK >> BLUESHIFT) + 1); entry = b + (g << 5) + (r << 11); #else /* Strip out and scale colors */ r = r * 0x1F / ((REDMASK >> REDSHIFT) + 1); g = g * 0x1F / ((GREENMASK >> GREENSHIFT) + 1); b = b * 0x1F / ((BLUEMASK >> BLUESHIFT) + 1); entry = b + (g << 5) + (r << 10); #endif /* Save palette entry */ palette_table[idx] = entry; } #endif /* COLORS_DEF == 8 */ }