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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-12-04 01:56:50 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-12-04 01:56:50 +0000 |
commit | 3d3a0af8b0d724f46656b6a9cb4a883f374558dc (patch) | |
tree | d132461991d0bd55066ab71526f7c5830a32308d /nuttx/configs/olimex-lpc1766stk/src/up_lcd.c | |
parent | 5076c4bb878881610884750c5a8fd43bdf99c471 (diff) | |
download | px4-nuttx-3d3a0af8b0d724f46656b6a9cb4a883f374558dc.tar.gz px4-nuttx-3d3a0af8b0d724f46656b6a9cb4a883f374558dc.tar.bz2 px4-nuttx-3d3a0af8b0d724f46656b6a9cb4a883f374558dc.zip |
P14201 driver now uses new SPI cmddata method
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3158 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/olimex-lpc1766stk/src/up_lcd.c')
-rwxr-xr-x | nuttx/configs/olimex-lpc1766stk/src/up_lcd.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/nuttx/configs/olimex-lpc1766stk/src/up_lcd.c b/nuttx/configs/olimex-lpc1766stk/src/up_lcd.c new file mode 100755 index 000000000..4f2a9123e --- /dev/null +++ b/nuttx/configs/olimex-lpc1766stk/src/up_lcd.c @@ -0,0 +1,143 @@ +/**************************************************************************** + * config/olimex-lpc1766stk/src/up_lcd.c + * arch/arm/src/board/up_lcd.c + * + * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSPBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdio.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/spi.h> +#include <nuttx/lcd/lcd.h> +#include <nuttx/lcd/nokia6100.h> + +#include "lpc17_internal.h" +#include "lpc17stk_internal.h" + +#ifdef defined(CONFIG_NX_LCDDRIVER) && defined(CONFIG_LCD_NOKIA6100) && defined(CONFIG_LPC17_SSP0) + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Define the CONFIG_LCD_NOKIADBG to enable detailed debug output (stuff you + * would never want to see unless you are debugging this file). + * + * Verbose debug must also be enabled + */ + +#ifndef CONFIG_DEBUG +# undef CONFIG_DEBUG_VERBOSE +# undef CONFIG_DEBUG_GRAPHICS +#endif + +#ifndef CONFIG_DEBUG_VERBOSE +# undef CONFIG_LCD_NOKIADBG +#endif + +#ifdef CONFIG_LCD_NOKIADBG +# define lcddbg(format, arg...) vdbg(format, ##arg) +# define lcd_dumpgpio(m) lm3s_dumpgpio(LPC1766STK_LCD_RST, m) +#else +# define lcddbg(x...) +# define lcd_dumpgpio(m) +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_nxdrvinit + * + * Description: + * Called NX initialization logic to configure the LCD. + * + ****************************************************************************/ + +FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno) +{ + FAR struct spi_dev_s *spi; + FAR struct lcd_dev_s *dev; + + /* Configure the LCD GPIOs */ + + lcd_dumpgpio("up_nxdrvinit: On entry"); + lm3s_configgpio(LPC1766STK_LCD_RST); + lm3s_configgpio(LPC1766STK_LCD_BL); + lcd_dumpgpio("up_nxdrvinit: After GPIO setup"); + + /* Reset the LCD */ + + lpc17_gpiowrite(LPC1766STK_LCD_RST, false); + up_usdelay(10); + lpc17_gpiowrite(LPC1766STK_LCD_RST, true); + up_msdelay(5); + + /* Get the SSP port (configure as a Freescale SPI port) */ + + spi = up_spiinitialize(0); + if (!spi) + { + glldbg("Failed to initialize SSP port 0\n"); + } + else + { + /* Bind the SSP port to the LCD */ + + dev = nokia_lcdinitialize(spi, devno); + if (!dev) + { + glldbg("Failed to bind SSP port 0 to LCD %d: %d\n", devno); + } + else + { + gllvdbg("Bound SSP port 0 to LCD %d\n", devno); + + /* And turn the LCD on (CONFIG_LCD_MAXPOWER should be 1) */ + + (void)dev->setpower(dev, CONFIG_LCD_MAXPOWER); + return dev; + } + } + return NULL; +} + +#endif /* CONFIG_NX_LCDDRIVER && CONFIG_LCD_NOKIA6100 && CONFIG_LPC17_SSP0 */ |