mbed-os/targets/TARGET_NORDIC/TARGET_NRF5/TARGET_SDK13/boards/boards.c

/* 
 * Copyright (c) 2016 Nordic Semiconductor ASA
 * All rights reserved.
 * 
 * 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, except as embedded into a Nordic Semiconductor ASA 
 *      integrated circuit in a product or a software update for such product, 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 of Nordic Semiconductor ASA nor the names of its contributors may be 
 *      used to endorse or promote products derived from this software without specific prior 
 *      written permission.
 *
 *   4. This software, with or without modification, must only be used with a 
 *      Nordic Semiconductor ASA integrated circuit.
 *
 *   5. Any software provided in binary or object form under this license must not be reverse 
 *      engineered, decompiled, modified and/or disassembled. 
 * 
 * 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 HOLDER 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.
 * 
 */
#include "boards.h"
#include <stdint.h>
#include <stdbool.h>

#if LEDS_NUMBER > 0
static const uint8_t m_board_led_list[LEDS_NUMBER] = LEDS_LIST;
#endif

#if BUTTONS_NUMBER > 0
static const uint8_t m_board_btn_list[BUTTONS_NUMBER] = BUTTONS_LIST;
#endif

#if LEDS_NUMBER > 0
bool bsp_board_led_state_get(uint32_t led_idx)
{
    ASSERT(led_idx < LEDS_NUMBER);
    bool pin_set = nrf_gpio_pin_out_read(m_board_led_list[led_idx]) ? true : false;
    return (pin_set == (LEDS_ACTIVE_STATE ? true : false));
}

void bsp_board_led_on(uint32_t led_idx)
{
        ASSERT(led_idx < LEDS_NUMBER);
        nrf_gpio_pin_write(m_board_led_list[led_idx], LEDS_ACTIVE_STATE ? 1 : 0);
}

void bsp_board_led_off(uint32_t led_idx)
{
    ASSERT(led_idx < LEDS_NUMBER);
    nrf_gpio_pin_write(m_board_led_list[led_idx], LEDS_ACTIVE_STATE ? 0 : 1);
}

void bsp_board_leds_off(void)
{
    uint32_t i;
    for(i = 0; i < LEDS_NUMBER; ++i)
    {
        bsp_board_led_off(i);
    }
}

void bsp_board_leds_on(void)
{
    uint32_t i;
    for(i = 0; i < LEDS_NUMBER; ++i)
    {
        bsp_board_led_on(i);
    }
}

void bsp_board_led_invert(uint32_t led_idx)
{
    ASSERT(led_idx < LEDS_NUMBER);
    nrf_gpio_pin_toggle(m_board_led_list[led_idx]);
}

void bsp_board_leds_init(void)
{
    uint32_t i;
    for(i = 0; i < LEDS_NUMBER; ++i)
    {
        nrf_gpio_cfg_output(m_board_led_list[i]);
    }
    bsp_board_leds_off();
}

uint32_t bsp_board_led_idx_to_pin(uint32_t led_idx)
{
    ASSERT(led_idx < LEDS_NUMBER);
    return m_board_led_list[led_idx];
}

uint32_t bsp_board_pin_to_led_idx(uint32_t pin_number)
{
    uint32_t ret = 0xFFFFFFFF;
    uint32_t i;
    for(i = 0; i < LEDS_NUMBER; ++i)
    {
        if (m_board_led_list[i] == pin_number)
        {
            ret = i;
            break;
        }
    }
    return ret;
}
#endif //LEDS_NUMBER > 0

#if BUTTONS_NUMBER > 0
bool bsp_board_button_state_get(uint32_t button_idx)
{
    ASSERT(button_idx < BUTTONS_NUMBER);
    bool pin_set = nrf_gpio_pin_read(m_board_btn_list[button_idx]) ? true : false;
    return (pin_set == (BUTTONS_ACTIVE_STATE ? true : false));
}

void bsp_board_buttons_init(void)
{
    uint32_t i;
    for(i = 0; i < BUTTONS_NUMBER; ++i)
    {
        nrf_gpio_cfg_input(m_board_btn_list[i], BUTTON_PULL);
    }
}

uint32_t bsp_board_pin_to_button_idx(uint32_t pin_number)
{
    uint32_t i;
    uint32_t ret = 0xFFFFFFFF;
    for(i = 0; i < BUTTONS_NUMBER; ++i)
    {
        if (m_board_btn_list[i] == pin_number)
        {
            ret = i;
            break;
        }
    }
    return ret;
}

uint32_t bsp_board_button_idx_to_pin(uint32_t button_idx)
{
    ASSERT(button_idx < BUTTONS_NUMBER);
    return m_board_btn_list[button_idx];
}
#endif //BUTTONS_NUMBER > 0