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/************************************************************************************
* configs/sam3u-ek/src/sam3u-ek.h
*
* Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __CONFIGS_SAM3U_EK_SRC_SAM3U_EK_H
#define __CONFIGS_SAM3U_EK_SRC_SAM3U_EK_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#include <arch/irq.h>
#include <nuttx/irq.h>
#include "chip/sam_pinmap.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* External Memory Usage ************************************************************/
/* LCD on CS2 */
#define LCD_BASE SAM_EXTCS2_BASE
/* Touchscreen controller (TSC) */
#define CONFIG_TSC_ADS7843 1 /* ADS7843 present on board */
#define CONFIG_TSC_SPI 0 /* On SPI0 */
/* SAM3U-EK GPIO Pin Definitions ****************************************************/
/* LCD:
* LCD Module Pin Out: SAM3U PIO:
* -------------------------------------------- --------------------------------------
* Pin Symbol Function LCD PeriphA PeriphB Extra
* ---- ------ -------------------------------- -------------- -------- ------- ------
* 1 GND Ground N/A --- --- ---
* 2 CS Chip Select PC16 NCS2 PWML3 AD12BAD5
* 3 RS Register select signal PB8 (see A1) CTS0 A1 AD3
* 4 WR Write operation signal PB23 (NWE) NWR0/NEW PCK1 ---
* 5 RD Read operation signal PB19 (NRD) NRD PWML2 ---
* 6 DB0 Data bus PB9 D0 DTR0 ---
* 7 DB1 Data bus PB10 D1 DSR0 ---
* 8 DB2 Data bus PB11 D2 DCD0 ---
* 9 DB3 Data bus PB12 D3 RI0 ---
* 10 DB4 Data bus PB13 D4 PWMH0 ---
* 11 DB5 Data bus PB14 D5 PWMH1 ---
* 12 DB6 Data bus PB15 D6 PWMH2 ---
* 13 DB7 Data bus PB16 D7 PMWH3 ---
* 14 DB8 Data bus PB25 D8 PWML0 ---
* 15 DB9 Data bus PB26 D9 PWML1 ---
* 16 DB10 Data bus PB27 D10 PWML2 ---
* 17 DB11 Data bus PB28 D11 PWML3 ---
* 18 DB12 Data bus PB29 D12 --- ---
* 19 DB13 Data bus PB30 D13 --- ---
* 20 DB14 Data bus PB31 D14 --- ---
* 21 DB15 Data bus PB6 TIOA1 D15 AD1
* 22 NC No connection N/A --- --- ---
* 23 NC No connection N/A --- --- ---
* 24 RESET Reset signal N/A --- --- ---
* 25 GND Ground N/A --- --- ---
* 26 X+ Touch panel X_RIGHT PA15 SPCK PWMH2 ---
* 27 Y+ Touch panel Y_UP PA14 MOSI --- ---
* 28 X- Touch panel X_LEFT PA13 MISO --- ---
* 29 Y- Touch panel Y_DOWN PC14 A3 NPCS2 ---
* 30 GND Ground N/A --- --- ---
* 31 VDD1 Power supply for digital IO Pad N/A --- --- ---
* 32 VDD2 Power supply for analog circuit N/A --- --- ---
* 33 A1 Power supply for backlight PB8 (see RS) CTS0 A1 AD3
* 34 A2 Power supply for backlight N/A --- --- ---
* 35 A3 Power supply for backlight N/A --- --- ---
* 36 A4 Power supply for backlight N/A --- --- ---
* 37 NC No connection N/A --- --- ---
* 38 NC No connection N/A --- --- ---
* 39 K Backlight ground N/A --- --- ---
*/
#define GPIO_LCD_NCS2 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOC | GPIO_PIN16)
#define GPIO_LCD_RS (GPIO_PERIPHB | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN8)
#define GPIO_LCD_NWE (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN23)
#define GPIO_LCD_NRD (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN19)
#define GPIO_LCD_D0 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN9)
#define GPIO_LCD_D1 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN10)
#define GPIO_LCD_D2 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN11)
#define GPIO_LCD_D3 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN12)
#define GPIO_LCD_D4 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN13)
#define GPIO_LCD_D5 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN14)
#define GPIO_LCD_D6 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN15)
#define GPIO_LCD_D7 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN16)
#define GPIO_LCD_D8 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN25)
#define GPIO_LCD_D9 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN26)
#define GPIO_LCD_D10 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN27)
#define GPIO_LCD_D11 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN28)
#define GPIO_LCD_D12 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN29)
#define GPIO_LCD_D13 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN30)
#define GPIO_LCD_D14 (GPIO_PERIPHA | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN31)
#define GPIO_LCD_D15 (GPIO_PERIPHB | GPIO_CFG_PULLUP | GPIO_PORT_PIOB | GPIO_PIN6)
/* LCD Backlight pin definition. */
#define GPIO_LCD_BKL (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_OUTPUT_CLEAR | \
GPIO_PORT_PIOC | GPIO_PIN19)
/* Touchscreen controller (TSC)
*
* The IRQ is active low and pulled up.
*
* Pen Interrupt. Open anode output, requires 10kO to 100kO pull-up resistor
* externally. There is a 100KO pull-up on the SAM3U-EK board so no additional
* pull-up should be required.
*
* BUSY is high impedance when CS is high (not selected). When CS is
* is low, BUSY is active high. Since the pin is pulled up, it will appear
* busy if CS is not selected (there is no pull-up onboard).
*/
#define GPIO_TCS_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_INT_BOTHEDGES | \
GPIO_PORT_PIOA | GPIO_PIN24)
#define GPIO_TCS_BUSY (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | \
GPIO_PIN2)
#define SAM_TCS_IRQ SAM_IRQ_PA24
/* LEDs */
#define GPIO_LED0 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
GPIO_OUTPUT_CLEAR | GPIO_PIN0)
#define GPIO_LED1 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
GPIO_OUTPUT_SET | GPIO_PIN1)
#define GPIO_LED2 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOB | \
GPIO_OUTPUT_SET | GPIO_PIN2)
/* BUTTONS */
#define GPIO_BUTTON1 (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN18)
#define GPIO_BUTTON2 (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN19)
#define IRQ_BUTTON1 SAM_IRQ_PA18
#define IRQ_BUTTON2 SAM_IRQ_PA19
/* SD Card Detect */
#define GPIO_MCI_CD (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | GPIO_PIN25)
/* SPI Chip Selects */
/* Chip select pin connected to the touchscreen controller and to the ZigBee module
* connector. Notice that the touchscreen chip select is implemented as a GPIO
* OUTPUT that must be controlled by board-specific. This is because the ADS7843E
* driver must be able to sample the device BUSY GPIO input between SPI transfers.
* However, the AD7843E will tri-state the BUSY input whenever the chip select is
* de-asserted. So the only option is to control the chip select manually and hold
* it low throughout the SPI transfer.
*/
#define GPIO_TSC_NPCS2 (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
GPIO_PORT_PIOC | GPIO_PIN14)
#define TSC_CSNUM 2
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public data
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: sam_spiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the SAM3U-EK board.
*
************************************************************************************/
void weak_function sam_spiinitialize(void);
/************************************************************************************
* Name: sam_usbinitialize
*
* Description:
* Called to setup USB-related GPIO pins for the SAM3U-EK board.
*
************************************************************************************/
void weak_function sam_usbinitialize(void);
/************************************************************************************
* Name: sam_hsmciinit
*
* Description:
* Initialize HSMCI support
*
************************************************************************************/
#ifdef CONFIG_SAM34_HSMCI
int weak_function sam_hsmciinit(void);
#else
# define sam_hsmciinit()
#endif
/************************************************************************************
* Name: board_led_initialize
************************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void board_led_initialize(void);
#endif
/************************************************************************************
* Name: sam_cardinserted
*
* Description:
* Check if a card is inserted into the selected HSMCI slot
*
************************************************************************************/
#ifdef CONFIG_SAM34_HSMCI
bool sam_cardinserted(unsigned char slot);
#else
# define sam_cardinserted(slot) (false)
#endif
/************************************************************************************
* Name: sam_writeprotected
*
* Description:
* Check if a card is inserted into the selected HSMCI slot
*
************************************************************************************/
#ifdef CONFIG_SAM34_HSMCI
bool sam_writeprotected(unsigned char slot);
#else
# define sam_writeprotected(slot) (false)
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_SAM3U_EK_SRC_SAM3U_EK_H */
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