150 lines
5.8 KiB
C
150 lines
5.8 KiB
C
/****************************************************************************
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* configs/lpcxpresso-lpc54628/src/lpcxpresso-lpc54628.h
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*
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* Copyright (C) 2017 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_LPCXPRESSO_LPC54628_SRC_LPCXPRESSO_LPC54628_H
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#define _CONFIGS_LPCXPRESSO_LPC54628_SRC_LPCXPRESSO_LPC54628_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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/* LED definitions **********************************************************/
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/* The LPCXpress-LPC54628 has three user LEDs: D9, D11, and D12. These
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* LEDs are for application use. They are illuminated when the driving
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* signal from the LPC546xx is low. The LEDs are driven by ports P2-2 (D9),
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* P3-3 (D11) and P3-14 (D12).
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*/
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#define GPIO_LED_D9 \
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(GPIO_PORT2 | GPIO_PIN2 | GPIO_VALUE_ONE | GPIO_OUTPUT | \
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GPIO_MODE_DIGITAL | GPIO_FILTER_OFF | GPIO_PUSHPULL | GPIO_PULLUP)
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#define GPIO_LED_D11 \
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(GPIO_PORT3 | GPIO_PIN3 | GPIO_VALUE_ONE | GPIO_OUTPUT | \
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GPIO_MODE_DIGITAL | GPIO_FILTER_OFF | GPIO_PUSHPULL | GPIO_PULLUP)
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#define GPIO_LED_D12 \
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(GPIO_PORT3 | GPIO_PIN14 | GPIO_VALUE_ONE | GPIO_OUTPUT | \
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GPIO_MODE_DIGITAL | GPIO_FILTER_OFF | GPIO_PUSHPULL | GPIO_PULLUP)
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/* Button definitions *******************************************************/
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/* to be provided */
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/* LCD/TSC definitions ******************************************************/
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/* The backlight is controlled by P3.31 and is intended to connect via PWM
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* to control the brightness level. For simplicity here, it configured as a
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* simple GPIO output.
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*
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* The output goes to the enable (EN) pin of a AP5724 step-up DC/DC
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* converter designed to drive white LEDs with a constant current. A high
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* input at EN turns the converter on, and a low input turns it off.
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*/
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#define GPIO_LCD_BL \
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(GPIO_PORT3 | GPIO_PIN31 | GPIO_VALUE_ZERO | GPIO_OUTPUT | \
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GPIO_MODE_DIGITAL | GPIO_FILTER_OFF | GPIO_PUSHPULL | GPIO_PULLUP)
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/* The integrated touchscreen uses one GPIO out and one GPIO interrupting GPIO input;
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*
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* P2.27 CT_RSTn
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* P4.0 INTR
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*/
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#define GPIO_LCD_CTRSTn \
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(GPIO_PORT2 | GPIO_PIN27 | GPIO_VALUE_ZERO | GPIO_OUTPUT | \
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GPIO_MODE_DIGITAL | GPIO_FILTER_OFF | GPIO_PUSHPULL | GPIO_PULLUP)
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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: lpc54_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_INITIALIZE=y :
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* Called from board_initialize().
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*
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* CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int lpc54_bringup(void);
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/****************************************************************************
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* Name: lpc54_sdram_initialize
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*
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* Description:
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* Initialize external SDRAM
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*
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****************************************************************************/
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#ifdef CONFIG_LPC54_EMC
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void lpc54_sdram_initialize(void);
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#endif
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/****************************************************************************
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* Name: lpc54_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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void lpc54_lcd_initialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* _CONFIGS_LPCXPRESSO_LPC54628_SRC_LPCXPRESSO_LPC54628_H */
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