141 lines
4.6 KiB
C
141 lines
4.6 KiB
C
/****************************************************************************
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* configs/nucleo-f303re/src/stm32_ssd1351.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Copyright (C) 2015 Omni Hoverboards Inc. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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* Paul Alexander Patience <paul-a.patience@polymtl.ca>
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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 <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/lcd/lcd.h>
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#include <nuttx/lcd/ssd1351.h>
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#include "stm32_gpio.h"
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#include "nucleo-f303re.h"
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#ifdef CONFIG_LCD_SSD1351
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* The pin configurations here require that SPI1 is selected */
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#ifndef CONFIG_STM32_SPI1
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# error "The OLED driver requires CONFIG_STM32_SPI1 in the configuration"
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#endif
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#ifndef CONFIG_SSD1351_SPI4WIRE
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# error "The configuration requires the SPI 4-wire interface"
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#endif
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/* Debug ********************************************************************/
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#ifdef CONFIG_DEBUG_LCD
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# define lcddbg(format, ...) dbg(format, ##__VA_ARGS__)
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# define lcdvdbg(format, ...) vdbg(format, ##__VA_ARGS__)
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#else
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# define lcddbg(x...)
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# define lcdvdbg(x...)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_graphics_setup
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*
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* Description:
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* Called by NX initialization logic to configure the OLED.
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*
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****************************************************************************/
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FAR struct lcd_dev_s *board_graphics_setup(unsigned int devno)
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{
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FAR struct spi_dev_s *spi;
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FAR struct lcd_dev_s *dev;
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/* Configure the OLED GPIOs. This initial configuration is RESET low,
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* putting the OLED into reset state.
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*/
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(void)stm32_configgpio(GPIO_OLED_RESET);
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/* Wait a bit then release the OLED from the reset state */
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up_mdelay(20);
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stm32_gpiowrite(GPIO_OLED_RESET, true);
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/* Get the SPI1 port interface */
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spi = up_spiinitialize(1);
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if (spi == NULL)
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{
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lcddbg("Failed to initialize SPI port 1\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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dev = ssd1351_initialize(spi, devno);
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if (dev == NULL)
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{
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lcddbg("Failed to bind SPI port 1 to OLED %d: %d\n", devno);
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}
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else
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{
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lcdvdbg("Bound SPI port 1 to OLED %d\n", devno);
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/* And turn the OLED on */
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(void)dev->setpower(dev, LCD_FULL_ON);
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return dev;
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}
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}
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return NULL;
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}
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#endif /* CONFIG_LCD_SSD1351 */
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