From 8ca0ad330fc52787466a638e93707829ce748672 Mon Sep 17 00:00:00 2001 From: patacongo Date: Fri, 3 Sep 2010 14:57:29 +0000 Subject: Add configuration for lm3s8962-ek git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2913 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/lm3s8962-ek/src/up_oled.c | 162 ++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100755 nuttx/configs/lm3s8962-ek/src/up_oled.c (limited to 'nuttx/configs/lm3s8962-ek/src/up_oled.c') diff --git a/nuttx/configs/lm3s8962-ek/src/up_oled.c b/nuttx/configs/lm3s8962-ek/src/up_oled.c new file mode 100755 index 000000000..1dd024356 --- /dev/null +++ b/nuttx/configs/lm3s8962-ek/src/up_oled.c @@ -0,0 +1,162 @@ +/**************************************************************************** + * config/lm3s8962-ek/src/up_oled.c + * arch/arm/src/board/up_oled.c + * + * Copyright (C) 2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include +#include +#include + +#include "lm3s_internal.h" +#include "lm3s8962ek_internal.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Define the CONFIG_LCD_RITDEBUG 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_RITDEBUG +#endif + +#ifdef CONFIG_LCD_RITDEBUG +# define ritdbg(format, arg...) vdbg(format, ##arg) +# define oleddc_dumpgpio(m) lm3s_dumpgpio(OLEDDC_GPIO, m) +# define oledcs_dumpgpio(m) lm3s_dumpgpio(OLEDCS_GPIO, m) +#else +# define ritdbg(x...) +# define oleddc_dumpgpio(m) +# define oledcs_dumpgpio(m) +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_nxdrvinit + * + * Description: + * Called NX initialization logic to configure the OLED. + * + ****************************************************************************/ + +FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno) +{ + FAR struct spi_dev_s *spi; + FAR struct lcd_dev_s *dev; + + /* Configure the OLED GPIOs */ + + oledcs_dumpgpio("up_nxdrvinit: After OLEDCS setup"); + oleddc_dumpgpio("up_nxdrvinit: On entry"); + + lm3s_configgpio(OLEDDC_GPIO); /* PC7: OLED display data/control select (D/Cn) */ + lm3s_configgpio(OLEDEN_GPIO); /* PC6: Enable +15V needed by OLED (EN+15V) */ + + oleddc_dumpgpio("up_nxdrvinit: After OLEDDC/EN setup"); + + /* Get the SSI port (configure as a Freescale SPI port) */ + + spi = up_spiinitialize(0); + if (!spi) + { + glldbg("Failed to initialize SSI port 0\n"); + } + else + { + /* Bind the SSI port to the OLED */ + + dev = rit_initialize(spi, devno); + if (!dev) + { + glldbg("Failed to bind SSI port 0 to OLED %d: %d\n", devno); + } + else + { + gllvdbg("Bound SSI port 0 to OLED %d\n", devno); + + /* And turn the OLED on (CONFIG_LCD_MAXPOWER should be 1) */ + + (void)dev->setpower(dev, CONFIG_LCD_MAXPOWER); + return dev; + } + } + return NULL; +} + +/****************************************************************************** + * Name: rit_seldata + * + * Description: + * Set or clear the SD1329 D/Cn bit to select data (true) or command + * (false). This function must be provided by platform-specific logic. + * + * Input Parameters: + * + * devno - A value in the range of 0 throuh CONFIG_P14201_NINTERFACES-1. + * This allows support for multiple OLED devices. + * data - true: select data; false: select command + * + * Returned Value: + * None + * + ******************************************************************************/ + +void rit_seldata(unsigned int devno, bool data) +{ + /* Set GPIO to 1 for data, 0 for command */ + + lm3s_gpiowrite(OLEDDC_GPIO, data); +} -- cgit v1.2.3