Browse Source
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5462 42af7a65-404d-4744-a932-0658087f49c3sbg
patacongo
12 years ago
10 changed files with 1613 additions and 7 deletions
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/****************************************************************************
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* config/stm32f4discovery/src/up_ug2864hsweg01.c |
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* arch/arm/src/board/up_ug2864hsweg01.c |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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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/spi.h> |
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#include <nuttx/lcd/lcd.h> |
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#include <nuttx/lcd/ug-2864hsweg01.h> |
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#include "stm32_gpio.h" |
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#include "stm32f4discovery-internal.h" |
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#ifdef CONFIG_LCD_UG2864HSWEG01 |
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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_SPI_CMDDATA |
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# error "The OLED driver requires CONFIG_SPI_CMDDATA in the configuration" |
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#endif |
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/* Pin Configuration ********************************************************/ |
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/* UG-2864AMBAG01 or UG-2864HSWEG01 OLED Display:
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* |
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* --------------------------+---------------------------------------------- |
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* Connector CON10 J1: | STM32F4Discovery |
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* --------------+-----------+---------------------------------------------- |
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* CON10 J1: | CON20 J2: | P1/P2: |
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* --------------+-----------+---------------------------------------------- |
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* 1 3v3 | 3,4 3v3 | P2 3V |
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* 3 /RESET | 8 /RESET | P2 PB6 (Arbitrary selection) |
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* 5 /CS | 7 /CS | P2 PB7 (Arbitrary selection)(2) |
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* 7 A0 | 9 A0 | P2 PB8 (Arbitrary selection)(2) |
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* 9 LED+ (N/C) | ----- | ----- |
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* 2 5V Vcc | 1,2 Vcc | P2 5V |
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* 4 DI | 18 D1/SI | P1 PA7 (GPIO_SPI1_MOSI == GPIO_SPI1_MOSI_1 (1)) |
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* 6 SCLK | 19 D0/SCL | P1 PA5 (GPIO_SPI1_SCK == GPIO_SPI1_SCK_1 (2)) |
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* 8 LED- (N/C) | ----- | ------ |
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* 10 GND | 20 GND | P2 GND |
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* --------------+-----------+---------------------------------------------- |
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* (1) Required because of on-board MEMS |
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* (2) Note that the OLED CS and A0 are managed in the up_spi.c file. |
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* ------------------------------------------------------------------------- |
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*/ |
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/* Definitions in stm32f4discovery-internal.h */ |
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/* Debug ********************************************************************/ |
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#ifdef CONFIG_DEBUG_LCD |
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# define lcddbg(format, arg...) dbg(format, ##arg) |
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# define lcdvdbg(format, arg...) vdbg(format, ##arg) |
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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: up_nxdrvinit |
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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 *up_nxdrvinit(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) |
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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 = ug2864hsweg01_initialize(spi, devno); |
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if (!dev) |
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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, CONFIG_LCD_MAXPOWER); |
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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_UG2864AMBAG01 */ |
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/**************************************************************************************
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* include/nuttx/lcd/ug-2864hsweg01.h |
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* Driver for Univision UG-2864HSWEG01 OLED display (wih SSD1306 controller) in SPI |
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* mode |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* References: |
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* 1. Product Specification (Preliminary), Part Name: OEL Display Module, Part ID: |
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* UG-2864HSWEG01, Doc No: SAS1-9046-B, Univision Technology Inc. |
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* 2. SSD1306, 128 X 64 Dot Matrix OLED/PLED, Preliminary Segment/Common Driver with |
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* Controller, Solomon Systech |
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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, |
||||
* 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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#ifndef __INCLUDE_NUTTX_UG_8264HSWEG01_H |
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#define __INCLUDE_NUTTX_UG_8264HSWEG01_H |
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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 <stdbool.h> |
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#include <nuttx/arch.h> |
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#ifdef CONFIG_LCD_UG2864HSWEG01 |
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/**************************************************************************************
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* Pre-processor Definitions |
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**************************************************************************************/ |
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/* Configuration **********************************************************************/ |
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/* UG-2864HSWEG01 Configuration Settings:
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* |
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* CONFIG_UG2864HSWEG01_SPIMODE - Controls the SPI mode |
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* CONFIG_UG2864HSWEG01_FREQUENCY - Define to use a different bus frequency |
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* CONFIG_UG2864HSWEG01_NINTERFACES - Specifies the number of physical UG-2864HSWEG01 |
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* devices that will be supported. |
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* |
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* Required LCD driver settings: |
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* |
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* CONFIG_LCD_UG28HSWEG01 - Enable UG-2864HSWEG01 support |
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* CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted. |
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* CONFIG_LCD_MAXPOWER must be 1 |
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* |
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* Option LCD driver settings: |
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* CONFIG_LCD_LANDSCAPE, CONFIG_LCD_PORTRAIT, CONFIG_LCD_RLANDSCAPE, and |
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* CONFIG_LCD_RPORTRAIT - Display orientation. |
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* |
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* Required SPI driver settings: |
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* CONFIG_SPI_CMDDATA - Include support for cmd/data selection. |
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*/ |
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/* SPI Interface
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* |
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* "The serial interface consists of serial clock SCL, serial data SI, A0 and |
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* CS . SI is shifted into an 8-bit shift register on every rising edge of |
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* SCL in the order of D7, D6, … and D0. A0 is sampled on every eighth clock |
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* and the data byte in the shift register is written to the display data RAM |
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* or command register in the same clock." |
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* |
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* MODE 3: |
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* Clock polarity: High (CPOL=1) |
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* Clock phase: Sample on trailing (rising edge) (CPHA 1) |
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*/ |
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#ifndef CONFIG_UG2864HSWEG01_SPIMODE |
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# define CONFIG_UG2864HSWEG01_SPIMODE SPIDEV_MODE3 |
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#endif |
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/* "This module determines whether the input data is interpreted as data or
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* command. When A0 = “H”, the inputs at D7 - D0 are interpreted as data and be |
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* written to display RAM. When A0 = “L”, the inputs at D7 - D0 are interpreted |
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* as command, they will be decoded and be written to the corresponding command |
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* registers. |
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*/ |
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#ifndef CONFIG_SPI_CMDDATA |
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# error "CONFIG_SPI_CMDDATA must be defined in your NuttX configuration" |
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#endif |
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/* CONFIG_UG2864HSWEG01_NINTERFACES determines the number of physical interfaces
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* that will be supported. |
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*/ |
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#ifndef CONFIG_UG2864HSWEG01_NINTERFACES |
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# define CONFIG_UG2864HSWEG01_NINTERFACES 1 |
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#endif |
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/* Check contrast selection */ |
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#if !defined(CONFIG_LCD_MAXCONTRAST) |
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# define CONFIG_LCD_MAXCONTRAST 255 |
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#endif |
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#if CONFIG_LCD_MAXCONTRAST <= 0|| CONFIG_LCD_MAXCONTRAST > 255 |
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# error "CONFIG_LCD_MAXCONTRAST exceeds supported maximum" |
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#endif |
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#if CONFIG_LCD_MAXCONTRAST < 255 |
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# warning "Optimal setting of CONFIG_LCD_MAXCONTRAST is 255" |
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#endif |
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/* Check power setting */ |
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#if !defined(CONFIG_LCD_MAXPOWER) |
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# define CONFIG_LCD_MAXPOWER 1 |
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#endif |
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#if CONFIG_LCD_MAXPOWER != 1 |
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# warning "CONFIG_LCD_MAXPOWER exceeds supported maximum" |
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# undef CONFIG_LCD_MAXPOWER |
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# define CONFIG_LCD_MAXPOWER 1 |
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#endif |
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/* Color is 1bpp monochrome with leftmost column contained in bits 0 */ |
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#ifdef CONFIG_NX_DISABLE_1BPP |
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# warning "1 bit-per-pixel support needed" |
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#endif |
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/* Orientation */ |
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#if defined(CONFIG_LCD_LANDSCAPE) |
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# undef CONFIG_LCD_PORTRAIT |
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# undef CONFIG_LCD_RLANDSCAPE |
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# undef CONFIG_LCD_RPORTRAIT |
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#elif defined(CONFIG_LCD_PORTRAIT) |
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# undef CONFIG_LCD_LANDSCAPE |
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# undef CONFIG_LCD_RLANDSCAPE |
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# undef CONFIG_LCD_RPORTRAIT |
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#elif defined(CONFIG_LCD_RLANDSCAPE) |
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# undef CONFIG_LCD_LANDSCAPE |
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# undef CONFIG_LCD_PORTRAIT |
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# undef CONFIG_LCD_RPORTRAIT |
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#elif defined(CONFIG_LCD_RPORTRAIT) |
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# undef CONFIG_LCD_LANDSCAPE |
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# undef CONFIG_LCD_PORTRAIT |
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# undef CONFIG_LCD_RLANDSCAPE |
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#else |
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# define CONFIG_LCD_LANDSCAPE 1 |
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# warning "Assuming landscape orientation" |
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#endif |
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/* Some important "colors" */ |
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#define UG_Y1_BLACK 0 |
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#define UG_Y1_WHITE 1 |
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/**************************************************************************************
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* Public Types |
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**************************************************************************************/ |
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/**************************************************************************************
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* Public Data |
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**************************************************************************************/ |
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#ifdef __cplusplus |
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extern "C" |
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{ |
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#endif |
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/**************************************************************************************
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* Public Function Prototypes |
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**************************************************************************************/ |
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/**************************************************************************************
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* Name: ug2864hsweg01_initialize |
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* |
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* Description: |
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* Initialize the UG-2864HSWEG01 video hardware. The initial state of the |
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* OLED is fully initialized, display memory cleared, and the OLED ready |
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* to use, but with the power setting at 0 (full off == sleep mode). |
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* |
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* Input Parameters: |
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* |
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* spi - A reference to the SPI driver instance. |
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* devno - A value in the range of 0 through CONFIG_UG2864HSWEG01_NINTERFACES-1. |
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* This allows support for multiple OLED devices. |
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* |
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* Returned Value: |
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* |
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* On success, this function returns a reference to the LCD object for |
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* the specified OLED. NULL is returned on any failure. |
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* |
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**************************************************************************************/ |
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struct lcd_dev_s; /* See include/nuttx/lcd/lcd.h */ |
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struct spi_dev_s; /* See include/nuttx/spi.h */ |
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FAR struct lcd_dev_s *ug2864hsweg01_initialize(FAR struct spi_dev_s *spi, |
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unsigned int devno); |
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/************************************************************************************************
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* Name: ug2864hsweg01_fill |
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* |
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* Description: |
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* This non-standard method can be used to clear the entire display by writing one |
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* color to the display. This is much faster than writing a series of runs. |
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* |
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* Input Parameters: |
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* priv - Reference to private driver structure |
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* |
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* Assumptions: |
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* Caller has selected the OLED section. |
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* |
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**************************************************************************************/ |
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void ug2864hsweg01_fill(FAR struct lcd_dev_s *dev, uint8_t color); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* CONFIG_LCD_UG2864HSWEG01 */ |
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#endif /* __INCLUDE_NUTTX_UG_8264HSWEG01_H */ |
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