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/****************************************************************************
* config/lm3s6965-ek/src/up_oled.c
* arch/arm/src/board/up_oled.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
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/spi.h>
#include <nuttx/p14201.h>
#include "lm3s_internal.h"
#include "lm3s6965ek_internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/************************************************************************************
* Name: lm3s_oledinitialize
*
* Description:
* Called to configure OLED.
*
************************************************************************************/
void lm3s_oledinitialize(void)
{
FAR struct spi_dev_s *spi;
int ret;
/* Configure the OLED D/Cn GPIO */
lm3s_configgpio(OLEDDC_GPIO);
/* Get the SPI port */
spi = up_spiinitialize(0);
if (!spi)
{
glldbg("Failed to initialize SPI port 0\n");
}
else
{
/* Bind the SPI port to the OLED */
ret = rit_initialize(spi, 0);
if (ret < 0)
{
glldbg("Failed to bind SPI port 0 to OLED: %d\n", ret);
}
else
{
gllvdbg("Bound SPI port 0 to OLED\n");
}
}
}
/**************************************************************************************
* 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);
}
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