156 lines
5.6 KiB
C
156 lines
5.6 KiB
C
/****************************************************************************
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* boards/arm/nrf52/nrf52840-dk/include/board.h
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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* Author: Mateusz Szafoni <raiden00@railab.me>
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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 __BOARDS_ARM_NRF52_NRF52840_DK_INCLUDE_BOARD_H
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#define __BOARDS_ARM_NRF52_NRF52840_DK_INCLUDE_BOARD_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 <stdbool.h>
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#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_NRF52_GPIOTE)
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# include <nuttx/irq.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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#define BOARD_SYSTICK_CLOCK (64000000)
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/* LED definitions **********************************************************/
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/* A low output illuminates the LED.
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*
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* LED index values for use with board_userled()
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*/
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#define BOARD_LED1 0
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#define BOARD_LED2 1
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#define BOARD_LED3 2
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#define BOARD_LED4 3
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#define BOARD_NLEDS 4
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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#define BOARD_LED4_BIT (1 << BOARD_LED4)
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/* If CONFIG_ARCH_LEDS is defined, the LED will be controlled as follows
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* for NuttX debug functionality (where NC means "No Change").
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*/
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#define LED_STARTED 0 /* OFF */
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#define LED_HEAPALLOCATE 0 /* OFF */
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#define LED_IRQSENABLED 0 /* OFF */
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#define LED_STACKCREATED 1 /* ON */
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#define LED_INIRQ 2 /* NC */
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#define LED_SIGNAL 2 /* NC */
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#define LED_ASSERTION 2 /* NC */
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#define LED_PANIC 3 /* Flashing */
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/* If CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under
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* control of the application. The following interfaces are then available
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* for application control of the LEDs:
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*
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* uint32_t board_userled_initialize(void);
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* void board_userled(int led, bool ledon);
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* void board_userled_all(uint32_t ledset);
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*/
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/* Button definitions *******************************************************/
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/* Board supports four buttons. */
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#define BUTTON_BTN1 0
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#define BUTTON_BTN2 1
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#define BUTTON_BTN3 2
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#define BUTTON_BTN4 3
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#define NUM_BUTTONS 4
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#define BUTTON_BTN1_BIT (1 << BUTTON_BTN1)
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#define BUTTON_BTN2_BIT (1 << BUTTON_BTN2)
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#define BUTTON_BTN3_BIT (1 << BUTTON_BTN3)
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#define BUTTON_BTN4_BIT (1 << BUTTON_BTN4)
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/* UART Pins ****************************************************************/
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/* UART0 is connected to the virtual COM port:
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* UART0_RX - P0-8
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* UART0_TX - P0-6
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*/
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#define BOARD_UART0_RX_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(8))
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#define BOARD_UART0_TX_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN(6))
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/* UART1
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* UART1_RX - P1.1
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* UART1_TX - P1.2
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*/
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#define BOARD_UART1_RX_PIN (GPIO_INPUT | GPIO_PORT1 | GPIO_PIN(1))
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#define BOARD_UART1_TX_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(2))
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/* SPI Pins *****************************************************************/
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/* SPI0 - Arduino PINs
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* SPI0_SCK - P1.15 (P13)
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* SPI0_MOSI - P1.13 (D11)
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* SPI0_MISO - P1.14 (D12)
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*/
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#define BOARD_SPI0_SCK_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(15))
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#define BOARD_SPI0_MOSI_PIN (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN(13))
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#define BOARD_SPI0_MISO_PIN (GPIO_INPUT | GPIO_PORT1 | GPIO_PIN(14))
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/* I2C Pins *****************************************************************/
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/* I2C0 (TWI0) - Arduino PINs
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* I2C0_SCL - P0.27
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* I2C0_SDA - P0.26
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*/
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#define BOARD_I2C0_SCL_PIN (GPIO_OUTPUT | GPIO_PORT0 | GPIO_PIN(27))
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#define BOARD_I2C0_SDA_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(26))
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#endif /* __BOARDS_ARM_NRF52_NRF52840_DK_INCLUDE_BOARD_H */
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