2010-05-13 04:13:15 +02:00
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/****************************************************************************
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* config/lm3s6965-ek/src/up_oled.c
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* arch/arm/src/board/up_oled.c
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/spi.h>
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#include <nuttx/p14201.h>
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2010-05-15 14:40:59 +02:00
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#include "lm3s_internal.h"
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#include "lm3s6965ek_internal.h"
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2010-05-13 04:13:15 +02:00
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/************************************************************************************
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2010-05-15 20:57:24 +02:00
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* Name: up_nxdrvinit
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2010-05-13 04:13:15 +02:00
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*
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* Description:
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2010-05-15 20:57:24 +02:00
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* Called NX initialization logic to configure the OLED.
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2010-05-13 04:13:15 +02:00
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*
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************************************************************************************/
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2010-05-15 20:57:24 +02:00
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FAR struct lcd_dev_s *up_nxdrvinit(unsigned int devno)
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2010-05-13 04:13:15 +02:00
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{
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FAR struct spi_dev_s *spi;
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2010-05-15 20:57:24 +02:00
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FAR struct lcd_dev_s *dev;
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2010-05-13 04:13:15 +02:00
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/* Configure the OLED D/Cn GPIO */
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lm3s_configgpio(OLEDDC_GPIO);
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/* Get the SPI port */
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spi = up_spiinitialize(0);
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if (!spi)
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{
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glldbg("Failed to initialize SPI port 0\n");
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}
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else
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{
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/* Bind the SPI port to the OLED */
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2010-05-15 20:57:24 +02:00
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dev = rit_initialize(spi, devno);
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if (!dev)
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2010-05-13 04:13:15 +02:00
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{
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2010-05-15 20:57:24 +02:00
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glldbg("Failed to bind SPI port 0 to OLED %d: %d\n", ret, devno);
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2010-05-13 04:13:15 +02:00
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}
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else
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{
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2010-05-15 20:57:24 +02:00
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gllvdbg("Bound SPI port 0 to OLED %d\n", devno);
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return dev;
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2010-05-13 04:13:15 +02:00
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}
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}
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2010-05-15 20:57:24 +02:00
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return NULL;
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2010-05-13 04:13:15 +02:00
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}
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/**************************************************************************************
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* Name: rit_seldata
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*
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* Description:
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* Set or clear the SD1329 D/Cn bit to select data (true) or command (false). This
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* function must be provided by platform-specific logic.
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*
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* Input Parameters:
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*
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* devno - A value in the range of 0 throuh CONFIG_P14201_NINTERFACES-1. This allows
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* support for multiple OLED devices.
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* data - true: select data; false: select command
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*
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* Returned Value:
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* None
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*
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**************************************************************************************/
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void rit_seldata(unsigned int devno, bool data)
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{
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/* Set GPIO to 1 for data, 0 for command */
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lm3s_gpiowrite(OLEDDC_GPIO, data);
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}
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