276 lines
13 KiB
C
276 lines
13 KiB
C
/************************************************************************************
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* configs/sam3u-ek/src/sam3u-ek.h
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*
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* Copyright (C) 2009-2011, 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_SAM3U_EK_SRC_SAM3U_EK_H
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#define __CONFIGS_SAM3U_EK_SRC_SAM3U_EK_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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#include <stdint.h>
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#include <arch/irq.h>
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#include <nuttx/irq.h>
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#include "chip/sam_pinmap.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* External Memory Usage ************************************************************/
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/* LCD on CS2 */
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#define LCD_BASE SAM_EXTCS2_BASE
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/* Touchscreen controller (TSC) */
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#define CONFIG_TSC_ADS7843 1 /* ADS7843 present on board */
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#define CONFIG_TSC_SPI 0 /* On SPI0 */
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/* SAM3U-EK GPIO Pin Definitions ****************************************************/
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/* LCD:
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* LCD Module Pin Out: SAM3U PIO:
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* -------------------------------------------- --------------------------------------
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* Pin Symbol Function LCD PeriphA PeriphB Extra
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* ---- ------ -------------------------------- -------------- -------- ------- ------
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* 1 GND Ground N/A --- --- ---
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* 2 CS Chip Select PC16 NCS2 PWML3 AD12BAD5
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* 3 RS Register select signal PB8 (see A1) CTS0 A1 AD3
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* 4 WR Write operation signal PB23 (NWE) NWR0/NEW PCK1 ---
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* 5 RD Read operation signal PB19 (NRD) NRD PWML2 ---
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* 6 DB0 Data bus PB9 D0 DTR0 ---
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* 7 DB1 Data bus PB10 D1 DSR0 ---
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* 8 DB2 Data bus PB11 D2 DCD0 ---
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* 9 DB3 Data bus PB12 D3 RI0 ---
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* 10 DB4 Data bus PB13 D4 PWMH0 ---
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* 11 DB5 Data bus PB14 D5 PWMH1 ---
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* 12 DB6 Data bus PB15 D6 PWMH2 ---
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* 13 DB7 Data bus PB16 D7 PMWH3 ---
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* 14 DB8 Data bus PB25 D8 PWML0 ---
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* 15 DB9 Data bus PB26 D9 PWML1 ---
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* 16 DB10 Data bus PB27 D10 PWML2 ---
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* 17 DB11 Data bus PB28 D11 PWML3 ---
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* 18 DB12 Data bus PB29 D12 --- ---
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* 19 DB13 Data bus PB30 D13 --- ---
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* 20 DB14 Data bus PB31 D14 --- ---
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* 21 DB15 Data bus PB6 TIOA1 D15 AD1
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* 22 NC No connection N/A --- --- ---
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* 23 NC No connection N/A --- --- ---
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* 24 RESET Reset signal N/A --- --- ---
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* 25 GND Ground N/A --- --- ---
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* 26 X+ Touch panel X_RIGHT PA15 SPCK PWMH2 ---
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* 27 Y+ Touch panel Y_UP PA14 MOSI --- ---
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* 28 X- Touch panel X_LEFT PA13 MISO --- ---
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* 29 Y- Touch panel Y_DOWN PC14 A3 NPCS2 ---
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* 30 GND Ground N/A --- --- ---
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* 31 VDD1 Power supply for digital IO Pad N/A --- --- ---
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* 32 VDD2 Power supply for analog circuit N/A --- --- ---
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* 33 A1 Power supply for backlight PB8 (see RS) CTS0 A1 AD3
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* 34 A2 Power supply for backlight N/A --- --- ---
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* 35 A3 Power supply for backlight N/A --- --- ---
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* 36 A4 Power supply for backlight N/A --- --- ---
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* 37 NC No connection N/A --- --- ---
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* 38 NC No connection N/A --- --- ---
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* 39 K Backlight ground N/A --- --- ---
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*/
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#define GPIO_LCD_NCS2 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOC | GPIO_PIN16)
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#define GPIO_LCD_RS (GPIO_PERIPHB | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN8)
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#define GPIO_LCD_NWE (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN23)
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#define GPIO_LCD_NRD (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN19)
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#define GPIO_LCD_D0 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN9)
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#define GPIO_LCD_D1 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN10)
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#define GPIO_LCD_D2 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN11)
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#define GPIO_LCD_D3 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN12)
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#define GPIO_LCD_D4 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN13)
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#define GPIO_LCD_D5 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN14)
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#define GPIO_LCD_D6 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN15)
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#define GPIO_LCD_D7 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN16)
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#define GPIO_LCD_D8 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN25)
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#define GPIO_LCD_D9 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN26)
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#define GPIO_LCD_D10 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN27)
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#define GPIO_LCD_D11 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN28)
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#define GPIO_LCD_D12 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN29)
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#define GPIO_LCD_D13 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN30)
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#define GPIO_LCD_D14 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN31)
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#define GPIO_LCD_D15 (GPIO_PERIPHB | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN6)
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/* LCD Backlight pin definition. */
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#define GPIO_LCD_BKL (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
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GPIO_PORT_PIOC | GPIO_PIN19)
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/* Touchscreen controller (TSC)
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*
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* The IRQ is active low and pulled up.
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*
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* Pen Interrupt. Open anode output, requires 10kO to 100kO pull-up resistor
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* externally. There is a 100KO pull-up on the SAM3U-EK board so no additional
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* pull-up should be required.
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*
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* BUSY is high impedance when CS is high (not selected). When CS is
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* is low, BUSY is active high. Since the pin is pulled up, it will appear
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* busy if CS is not selected (there is no pull-up onboard).
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*/
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#define GPIO_TCS_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_INT_BOTHEDGES | \
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GPIO_PORT_PIOA | GPIO_PIN24)
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#define GPIO_TCS_BUSY (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | \
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GPIO_PIN2)
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#define SAM_TCS_IRQ SAM_IRQ_PA24
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/* LEDs */
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#define GPIO_LED0 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
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GPIO_OUTPUT_CLEAR | GPIO_PIN0)
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#define GPIO_LED1 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
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GPIO_OUTPUT_SET | GPIO_PIN1)
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#define GPIO_LED2 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
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GPIO_OUTPUT_SET | GPIO_PIN2)
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/* BUTTONS */
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#define GPIO_BUTTON1 (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
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GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN18)
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#define GPIO_BUTTON2 (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
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GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN19)
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#define IRQ_BUTTON1 SAM_IRQ_PA18
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#define IRQ_BUTTON2 SAM_IRQ_PA19
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/* SD Card Detect */
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#define GPIO_MCI_CD (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | GPIO_PIN25)
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/* SPI Chip Selects */
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/* Chip select pin connected to the touchscreen controller and to the ZigBee module
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* connector. Notice that the touchscreen chip select is implemented as a GPIO
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* OUTPUT that must be controlled by board-specific. This is because the ADS7843E
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* driver must be able to sample the device BUSY GPIO input between SPI transfers.
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* However, the AD7843E will tri-state the BUSY input whenever the chip select is
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* de-asserted. So the only option is to control the chip select manually and hold
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* it low throughout the SPI transfer.
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*/
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#define GPIO_TSC_NPCS2 (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
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GPIO_PORT_PIOC | GPIO_PIN14)
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#define TSC_CSNUM 2
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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: sam_spiinitialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the SAM3U-EK board.
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*
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************************************************************************************/
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void weak_function sam_spiinitialize(void);
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/************************************************************************************
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* Name: sam_hsmciinit
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*
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* Description:
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* Initialize HSMCI support
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*
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************************************************************************************/
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#ifdef CONFIG_SAM34_HSMCI
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int weak_function sam_hsmciinit(void);
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#else
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# define sam_hsmciinit()
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#endif
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/************************************************************************************
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* Name: board_led_initialize
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************************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void board_led_initialize(void);
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#endif
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/************************************************************************************
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* Name: sam_cardinserted
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*
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* Description:
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* Check if a card is inserted into the selected HSMCI slot
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*
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************************************************************************************/
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#ifdef CONFIG_SAM34_HSMCI
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bool sam_cardinserted(unsigned char slot);
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#else
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# define sam_cardinserted(slot) (false)
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#endif
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/************************************************************************************
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* Name: sam_writeprotected
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*
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* Description:
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* Check if a card is inserted into the selected HSMCI slot
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*
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************************************************************************************/
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#ifdef CONFIG_SAM34_HSMCI
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bool sam_writeprotected(unsigned char slot);
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#else
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# define sam_writeprotected(slot) (false)
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_SAM3U_EK_SRC_SAM3U_EK_H */
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