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/************************************************************************************
* configs/sam4e-ek/src/sam4e-ek.h
*
* Copyright (C) 2014 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_SAM4E_EK_SRC_SAM4E_EK_H
#define __CONFIGS_SAM4E_EK_SRC_SAM4E_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 */
/* SAM4E-EK GPIO Pin Definitions ****************************************************/
/* LCD:
*
* The SAM4E-EK carries a TFT transmissive LCD module with touch panel, FTM280C34D.
* Its integrated driver IC is ILI9325. The LCD display area is 2.8 inches diagonally
* measured, with a native resolution of 240 x 320 dots.
*
* The SAM4E16 communicates with the LCD through PIOC where an 8-bit parallel "8080-
* like" protocol data bus has to be implemented in software.
*
* ---- ----- --------- --------------------------------
* PIN PIO SIGNAL NOTES
* ---- ----- --------- --------------------------------
* 1 VDD
* 2 PC7 DB17
* 3 PC6 DB16
* 4 PC5 DB15
* 5 PC4 DB14
* 6 PC3 DB13
* 7 PC2 DB12
* 8 PC1 DB11
* 9 PC0 DB10
* 10 DB9 Pulled low
* 11 DB8 Pulled low
* 12 DB7 Pulled low
* 13 DB6 Pulled low
* 14 DB5 Pulled low
* 15 DB4 Pulled low
* 16 DB3 Pulled low
* 17 DB2 Pulled low
* 18 DB1 Pulled low
* 19 DB0 Pulled low
* ---- ----- --------- --------------------------------
* 20 VDD
* 21 PC11 RD
* 22 PC8 WR
* 23 PC19 RS
* 24 PD18 CS Via J8, pulled high. Connects to NRST.
* 25 RESET Connects to NSRST
* 26 IM0 Pulled high
* 27 IM1 Grounded
* 28 GND
* ---- ----- --------- --------------------------------
* 29 [PC13] LED-A Backlight controls: PC13 enables
* 30 [PC13] LEDK1 AAT3155 charge pump that drives
* 31 [PC13] LEDK2 the backlight LEDs
* 32 [PC13] LEDK3
* 33 [PC13] LEDK4
* 34 [PC13] LEDK1
* ---- ----- --------- --------------------------------
* 35 Y+ These go to the ADS7843
* 36 Y- touchscreen controller.
* 37 X+
* 38 X-
* 39 NC
* ---- ----- --------- --------------------------------
*
* LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3155
* charge pump, MN4. The AAT3155 is controlled by the SAM3U4E through a single line
* Simple Serial Control (S2Cwire) interface, which permits to enable, disable, and
* set the LED drive current (LED brightness control) from a 32-level logarithmic
* scale. Four resistors R93/R94/R95/R96 are implemented for optional current
* limitation.
*/
#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)
/* ADS7843 Touchscreen controller (TSC)
*
* The LCD module integrates a 4-wire touch screen panel controlled by
* MN5, ADS7843, which is a slave device on the SAM3U4E SPI bus. The ADS7843 touch
* ADC auxiliary inputs IN3/IN4 are connected to test points for optional function
* extension.
*
* ------ -------
* GPIO PIN
* ------ -------
* PA11 /CS
* PA12 DOUT
* PA13 DIN
* PA14 DCLK
* PA16 /PENIRQ
* PA17 BUSY
* ------ -------
*
* 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 SAM4E-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_PIN16)
#define GPIO_TCS_BUSY (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | \
GPIO_PIN17)
#define SAM_TCS_IRQ SAM_IRQ_PA16
/* Ethernet MAC. The PHY interrupt is available on pin PD28 */
#define GPIO_PHY_IRQ (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_INT_BOTHEDGES | \
GPIO_PORT_PIOD | GPIO_PIN28)
#define SAM_PHY_IRQ SAM_IRQ_PD28
/* LEDs
*
* D2 PA0 Blue Pulled high
* D3 PD20 Amber Pulled high
* D4 PD21 Green Pulled high
*/
#define GPIO_D3 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \
GPIO_OUTPUT_CLEAR | GPIO_PIN20)
#define GPIO_D2 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOA | \
GPIO_OUTPUT_SET | GPIO_PIN0)
#define GPIO_D4 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \
GPIO_OUTPUT_SET | GPIO_PIN21)
/* Buttons
*
* Four buttons for software inputs:
*
* PA1 BUTTON_SCROLL-UP Grounded
* PA2 BUTTON_SCROLL-DOWN Grounded
* PA19 BUTTON_WAKU Grounded
* PA20 BUTTON_TAMP Grounded
*/
#define GPIO_SCROLLUP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN1)
#define GPIO_SCROLLDWN (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN2)
#define GPIO_WAKU (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN19)
#define GPIO_TAMP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN20)
#define IRQ_SCROLLUP SAM_IRQ_PA1
#define IRQ_SCROLLDWN SAM_IRQ_PA2
#define IRQ_WAKU SAM_IRQ_PA19
#define IRQ_TAMP SAM_IRQ_PA20
#define IRQ_SCROLLUP SAM_IRQ_PA1
#define IRQ_SCROLLDWN SAM_IRQ_PA2
#define IRQ_WAKU SAM_IRQ_PA19
#define IRQ_TAMP SAM_IRQ_PA20
/* USART1: To avoid any electrical conflict, the RS232 and RS485 transceiver
* are isolated from the receiving line PA21.
*
* - Chose RS485 channel: Close 1-2 pins on JP11 and set PA23 to high level
* - Chose RS232 channel: Close 2-3 pins on JP11 and set PA23 to low level
*/
#define GPIO_RS232_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \
GPIO_OUTPUT_CLEAR | GPIO_PORT_PIOA | GPIO_PIN21)
#define GPIO_RS485_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \
GPIO_OUTPUT_SET | GPIO_PORT_PIOA | GPIO_PIN21)
/* 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_CS (GPIO_OUTPUT | GPIO_CFG_PULLUP | GPIO_OUTPUT_SET | \
GPIO_PORT_PIOA | GPIO_PIN11)
#define TSC_CSNUM 0
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public data
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: sam_spiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the SAM4E-EK board.
*
************************************************************************************/
void weak_function sam_spiinitialize(void);
/************************************************************************************
* Name: sam_usbinitialize
*
* Description:
* Called to setup USB-related GPIO pins for the SAM4E-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_SAM4E_EK_SRC_SAM4E_EK_H */
|
