230 lines
9.4 KiB
C
230 lines
9.4 KiB
C
/************************************************************************************
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* configs/open1788/src/open1788.h
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* arch/arm/src/board/open1788.n
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*
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* Copyright (C) 2013 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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#ifndef _CONFIGS_OPEN1788_SRC_OPEN1788_H
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#define _CONFIGS_OPEN1788_SRC_OPEN1788_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 <nuttx/compiler.h>
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Open1788 GPIO Pin Definitions ****************************************************/
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/* GPIO P2[21] connects to the Ready/Busy pin of the NAND part. We need to
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* reconfigure this pin as normal GPIO input if NAND is used.
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*/
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#define GPIO_NAND_RB (GPIO_INPUT | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN21)
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/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
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* any way. The following definitions are used to access individual LEDs.
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*
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* LED1 -- Connected to P1[14]
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* LED2 -- Connected to P0[16]
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* LED3 -- Connected to P1[13]
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* LED4 -- Connected to P4[27]
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*
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* These LEDs are connecte to ground so a high output value will illuminate them.
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*/
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#define GPIO_LED1 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN14)
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#define GPIO_LED2 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN16)
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#define GPIO_LED3 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN13)
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#define GPIO_LED4 (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT4 | GPIO_PIN27)
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/* Button definitions ***************************************************************/
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/* The Open1788 supports several buttons. All must be pulled up by the Open1788.
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* When closed, the pins will be pulled to ground. So the buttons will read "1"
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* when open and "0" when closed. All except USER1 are capable of generating
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* interrupts.
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*
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* USER1 -- Connected to P4[26]
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* USER2 -- Connected to P2[22]
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* USER3 -- Connected to P0[10]
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*
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* And a Joystick
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*
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* JOY_A -- Connected to P2[25]
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* JOY_B -- Connected to P2[26]
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* JOY_C -- Connected to P2[23]
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* JOY_D -- Connected to P2[19]
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* JOY_CTR -- Connected to P0[14] (shared with SSP1 SSEL)
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*
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* For the interrupting buttons, interrupts are generated on both edges (press and
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* release).
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*/
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#define GPIO_USER1 (GPIO_INPUT | GPIO_PULLUP | GPIO_PORT4 | GPIO_PIN26)
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#define GPIO_USER2 (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN22)
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#define GPIO_USER3 (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT0 | GPIO_PIN10)
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#define GPIO_JOY_A (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN25)
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#define GPIO_JOY_B (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN26)
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#define GPIO_JOY_C (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN23)
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#define GPIO_JOY_D (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT2 | GPIO_PIN19)
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#define GPIO_JOY_CTR (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT0 | GPIO_PIN14)
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/* IRQ numbers for the buttons that do support interrupts */
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#define GPIO_USER2_IRQ LPC17_IRQ_P2p22
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#define GPIO_USER3_IRQ LPC17_IRQ_P0p10
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#define GPIO_JOY_A_IRQ LPC17_IRQ_P2p25
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#define GPIO_JOY_B_IRQ LPC17_IRQ_P2p26
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#define GPIO_JOY_C_IRQ LPC17_IRQ_P2p23
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#define GPIO_JOY_D_IRQ LPC17_IRQ_P2p19
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#define GPIO_JOY_CTR_IRQ LPC17_IRQ_P0p14
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/* SD Card **************************************************************************/
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/* The SD card detect (CD) signal is on P0[13]. This signal is shared. It is also
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* used for MOSI1 and USB_UP_LED. The CD pin may be disconnected. There is a jumper
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* on board that enables the CD pin.
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*
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* The CD pin is interrupting:
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*/
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#define GPIO_SD_CD (GPIO_INTBOTH | GPIO_PULLUP | GPIO_PORT0 | GPIO_PIN13)
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/* LCD ******************************************************************************/
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/* Backlight enable, P2[1]. Initial state is OFF (zero) */
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#define GPIO_LCD_BL (GPIO_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORT2 | GPIO_PIN1)
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/* XPT2046 Touchscreen **************************************************************/
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/* -------------- -------------------- ------------ --------------------------------
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* XTPT2046 Module Module Open1788 LED
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* Signal Connector Connector
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* -------------- -------------------- ------------ ---------------------------------
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* Pin 11 PENIRQ\ PENIRQ (pulled high) PORT3 Pin 1 P2.15 PENIRQ
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* Pin 12 DOUT MISO PORT3 Pin 4 P1.18 MISO1 (Also USB HOST UP LED)
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* Pin 13 BUSY BUSY (pulled high) PORT3 Pin 9 P2.14 BUSY
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* Pin 14 DIN MOSI PORT3 Pin 3 P0.13 MOSI1 (Also USB Device up LED and SD CD pin)
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* Pin 15 CS\ SSEL (pulled high) PORT3 Pin 6 P1.8 GPIO (Also RMII_CRS_DV)
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* Pin 16 DCLK SCK PORT3 Pin 5 P1.19 SCK1
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* -------------- -------------------- ------------ ---------------------------------
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*
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* Pins should not need to be configured as pull-ups because, according to the LCD
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* schematic, the are pulled-up on board the LCD module.
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*/
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#define GPIO_TC_PENIRQ (GPIO_INTBOTH | GPIO_FLOAT | GPIO_PORT2 | GPIO_PIN15)
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#define GPIO_TC_BUSY (GPIO_INPUT | GPIO_FLOAT | GPIO_PORT2 | GPIO_PIN14)
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#define GPIO_TC_CS (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN8)
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#define LPC17_IRQ_PENIRQ LPC17_IRQ_P2p15
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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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#ifndef __ASSEMBLY__
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: open1788_sspdev_initialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the WaveShare Open1788 board.
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*
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************************************************************************************/
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void weak_function open1788_sspdev_initialize(void);
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/************************************************************************************
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* Name: open1788_sdram_initialize
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*
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* Description:
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* Initialize SDRAM
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*
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************************************************************************************/
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#ifdef CONFIG_LPC17_EMC
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#ifdef CONFIG_LPC17_EXTDRAM
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void open1788_sdram_initialize(void);
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#endif
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/************************************************************************************
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* Name: open1788_nor_initialize
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*
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* Description:
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* Initialize NOR FLASH
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*
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************************************************************************************/
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#ifdef CONFIG_LPC17_EXTNOR
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void open1788_nor_initialize(void);
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#endif
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/************************************************************************************
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* Name: open1788_nand_initialize
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*
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* Description:
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* Initialize NAND FLASH
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*
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************************************************************************************/
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#ifdef CONFIG_LPC17_EXTNAND
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void open1788_nand_initialize(void);
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#endif
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#endif /* CONFIG_LPC17_EMC */
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/************************************************************************************
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* Name: open1788_lcd_initialize
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*
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* Description:
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* Initialize the LCD. Setup backlight (initially off)
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*
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************************************************************************************/
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#ifdef CONFIG_LPC17_LCD
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void open1788_lcd_initialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* _CONFIGS_OPEN1788_SRC_OPEN1788_H */
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