169 lines
5.7 KiB
C
169 lines
5.7 KiB
C
/****************************************************************************
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* boards/arm/nrf52/nrf52840-dk/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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/* PWM Pins *****************************************************************/
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/* PWM 0:
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* PWM0 CH0 - P1.1
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* PWM0 CH1 - P1.2
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* PWM0 CH2 - P1.3
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* PWM0 CH3 - P1.4
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*/
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#define NRF52_PWM0_CH0_PIN (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN(1))
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#define NRF52_PWM0_CH1_PIN (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN(2))
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#define NRF52_PWM0_CH2_PIN (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN(3))
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#define NRF52_PWM0_CH3_PIN (GPIO_OUTPUT | GPIO_PORT1 | GPIO_PIN(4))
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/* ADC Pins *****************************************************************/
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/* ADC
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* ADC CH0 - P0.03 - AIN1
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* ADC CH1 - P0.04 - AIN2
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* ADC CH2 - P0.28 - AIN4
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* ADC CH3 - P0.29 - AIN5
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*/
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#define NRF52_ADC_CH0_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(3))
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#define NRF52_ADC_CH1_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(4))
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#define NRF52_ADC_CH2_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(28))
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#define NRF52_ADC_CH3_PIN (GPIO_INPUT | GPIO_PORT0 | GPIO_PIN(29))
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#endif /* __BOARDS_ARM_NRF52_NRF52840_DK_INCLUDE_BOARD_H */
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