2014-03-10 22:18:46 +01:00
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/************************************************************************************
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* configs/sam4e-ek/src/sam4e-ek.h
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*
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* Copyright (C) 2014 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_SAM4E_EK_SRC_SAM4E_EK_H
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#define __CONFIGS_SAM4E_EK_SRC_SAM4E_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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/* SAM4E-EK GPIO Pin Definitions ****************************************************/
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/* LCD:
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2014-03-11 17:44:00 +01:00
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*
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* The SAM4E-EK carries a TFT transmissive LCD module with touch panel, FTM280C34D.
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* Its integrated driver IC is ILI9325. The LCD display area is 2.8 inches diagonally
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* measured, with a native resolution of 240 x 320 dots.
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*
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* The SAM4E16 communicates with the LCD through PIOC where an 8-bit parallel "8080-
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* like" protocol data bus has to be implemented in software.
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*
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* ---- ----- --------- --------------------------------
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* PIN PIO SIGNAL NOTES
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* ---- ----- --------- --------------------------------
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* 1 VDD
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* 2 PC7 DB17
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* 3 PC6 DB16
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* 4 PC5 DB15
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* 5 PC4 DB14
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* 6 PC3 DB13
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* 7 PC2 DB12
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* 8 PC1 DB11
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* 9 PC0 DB10
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* 10 DB9 Pulled low
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* 11 DB8 Pulled low
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* 12 DB7 Pulled low
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* 13 DB6 Pulled low
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* 14 DB5 Pulled low
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* 15 DB4 Pulled low
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* 16 DB3 Pulled low
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* 17 DB2 Pulled low
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* 18 DB1 Pulled low
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* 19 DB0 Pulled low
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* ---- ----- --------- --------------------------------
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* 20 VDD
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* 21 PC11 RD
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* 22 PC8 WR
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* 23 PC19 RS
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* 24 PD18 CS Via J8, pulled high. Connects to NRST.
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* 25 RESET Connects to NSRST
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* 26 IM0 Pulled high
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* 27 IM1 Grounded
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* 28 GND
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* ---- ----- --------- --------------------------------
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* 29 [PC13] LED-A Backlight controls: PC13 enables
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* 30 [PC13] LEDK1 AAT3155 charge pump that drives
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* 31 [PC13] LEDK2 the backlight LEDs
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* 32 [PC13] LEDK3
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* 33 [PC13] LEDK4
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* 34 [PC13] LEDK1
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* ---- ----- --------- --------------------------------
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* 35 Y+ These go to the ADS7843
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* 36 Y- touchscreen controller.
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* 37 X+
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* 38 X-
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* 39 NC
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* ---- ----- --------- --------------------------------
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*
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* LCD backlight is made of 4 white chip LEDs in parallel, driven by an AAT3155
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* charge pump, MN4. The AAT3155 is controlled by the SAM3U4E through a single line
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* Simple Serial Control (S2Cwire) interface, which permits to enable, disable, and
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* set the LED drive current (LED brightness control) from a 32-level logarithmic
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* scale. Four resistors R93/R94/R95/R96 are implemented for optional current
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* limitation.
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2014-03-10 22:18:46 +01:00
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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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2014-03-11 17:44:00 +01:00
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/* ADS7843 Touchscreen controller (TSC)
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*
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* The LCD module integrates a 4-wire touch screen panel controlled by
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* MN5, ADS7843, which is a slave device on the SAM3U4E SPI bus. The ADS7843 touch
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* ADC auxiliary inputs IN3/IN4 are connected to test points for optional function
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* extension.
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*
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* ------ -------
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* GPIO PIN
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* ------ -------
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* PA11 /CS
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* PA12 DOUT
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* PA13 DIN
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* PA14 DCLK
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* PA16 /PENIRQ
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* PA17 BUSY
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* ------ -------
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2014-03-10 22:18:46 +01:00
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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 SAM4E-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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2014-03-11 17:44:00 +01:00
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GPIO_PORT_PIOA | GPIO_PIN16)
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2014-03-10 22:18:46 +01:00
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#define GPIO_TCS_BUSY (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_PORT_PIOA | \
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2014-03-11 17:44:00 +01:00
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GPIO_PIN17)
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2014-03-10 22:18:46 +01:00
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2014-03-11 17:44:00 +01:00
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#define SAM_TCS_IRQ SAM_IRQ_PA16
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2014-03-10 22:18:46 +01:00
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/* LEDs
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*
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* D2 PA0 Blue Pulled high
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* D3 PD20 Amber Pulled high
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* D4 PD21 Green Pulled high
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*/
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#define GPIO_D3 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \
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GPIO_OUTPUT_CLEAR | GPIO_PIN20)
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#define GPIO_D2 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOA | \
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GPIO_OUTPUT_SET | GPIO_PIN0)
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#define GPIO_D4 (GPIO_OUTPUT | GPIO_CFG_DEFAULT | GPIO_PORT_PIOD | \
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GPIO_OUTPUT_SET | GPIO_PIN21)
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/* Buttons
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*
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* Four buttons for software inputs:
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*
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* PA1 BUTTON_SCROLL-UP Grounded
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* PA2 BUTTON_SCROLL-DOWN Grounded
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* PA19 BUTTON_WAKU Grounded
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* PA20 BUTTON_TAMP Grounded
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*/
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#define GPIO_SCROLLUP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
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GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN1)
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#define GPIO_SCROLLDWN (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
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GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN2)
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#define GPIO_WAKU (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 GPIO_TAMP (GPIO_INPUT | GPIO_CFG_PULLUP | GPIO_CFG_DEGLITCH | \
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GPIO_INT_BOTHEDGES | GPIO_PORT_PIOA | GPIO_PIN20)
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#define IRQ_SCROLLUP SAM_IRQ_PA1
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#define IRQ_SCROLLDWN SAM_IRQ_PA2
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#define IRQ_WAKU SAM_IRQ_PA19
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#define IRQ_TAMP SAM_IRQ_PA20
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#define IRQ_SCROLLUP SAM_IRQ_PA1
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#define IRQ_SCROLLDWN SAM_IRQ_PA2
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#define IRQ_WAKU SAM_IRQ_PA19
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#define IRQ_TAMP SAM_IRQ_PA20
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2014-03-12 17:59:19 +01:00
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/* USART1: To avoid any electrical conflict, the RS232 and RS485 transceiver
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* are isolated from the receiving line PA21.
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*
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* - Chose RS485 channel: Close 1-2 pins on JP11 and set PA23 to high level
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* - Chose RS232 channel: Close 2-3 pins on JP11 and set PA23 to low level
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*/
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#define GPIO_RS232_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \
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GPIO_OUTPUT_CLEAR | GPIO_PORT_PIOA | GPIO_PIN21)
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#define GPIO_RS485_ENABLE (GPIO_OUTPUT | GPIO_CFG_DEFAULT | \
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GPIO_OUTPUT_SET | GPIO_PORT_PIOA | GPIO_PIN21)
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2014-03-10 22:18:46 +01:00
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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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2014-03-11 17:44:00 +01:00
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GPIO_PORT_PIOA | GPIO_PIN11)
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#define TSC_CSNUM 0
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2014-03-10 22:18:46 +01:00
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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 SAM4E-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_usbinitialize
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*
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* Description:
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* Called to setup USB-related GPIO pins for the SAM4E-EK board.
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*
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************************************************************************************/
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void weak_function sam_usbinitialize(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_SAM4E_EK_SRC_SAM4E_EK_H */
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