BLE400_brink

/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is property of Nordic Semiconductor ASA.
 * Terms and conditions of usage are described in detail in NORDIC
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *
 */

/** @file
 *
 * @defgroup blinky_example_main main.c
 * @{
 * @ingroup blinky_example
 * @brief Blinky Example Application main file.
 *
 */

#include <stdbool.h>
#include <stdint.h>
#include "nrf_delay.h"
#include "nrf_gpio.h"
#include "boards.h"


#define LEDS_NUMBER    5

#define LED_START      21
#define LED_1          18
#define LED_2          19
#define LED_3          20
#define LED_4          21
#define LED_5          22

#define LEDS_LIST { LED_1, LED_2, LED_3, LED_4, LED_5 }

#define BSP_LED_0      LED_1
#define BSP_LED_1      LED_2
#define BSP_LED_2      LED_3
#define BSP_LED_3      LED_4
#define BSP_LED_4      LED_5

#define BSP_LED_0_MASK (1<<BSP_LED_0)
#define BSP_LED_1_MASK (1<<BSP_LED_1)
#define BSP_LED_2_MASK (1<<BSP_LED_2)
#define BSP_LED_3_MASK (1<<BSP_LED_3)
#define BSP_LED_4_MASK (1<<BSP_LED_4)

#define LEDS_MASK      (BSP_LED_0_MASK | BSP_LED_1_MASK | BSP_LED_2_MASK | BSP_LED_3_MASK | BSP_LED_4_MASK)
/* all LEDs are lit when GPIO is low */
#define LEDS_INV_MASK  LEDS_MASK



#define LEDS_OFF(leds_mask) do {  NRF_GPIO->OUTSET = (leds_mask) & (LEDS_MASK & LEDS_INV_MASK); \
                            NRF_GPIO->OUTCLR = (leds_mask) & (LEDS_MASK & ~LEDS_INV_MASK); } while (0)

#define LEDS_ON(leds_mask) do {  NRF_GPIO->OUTCLR = (leds_mask) & (LEDS_MASK & LEDS_INV_MASK); \
                           NRF_GPIO->OUTSET = (leds_mask) & (LEDS_MASK & ~LEDS_INV_MASK); } while (0)

#define LED_IS_ON(leds_mask) ((leds_mask) & (NRF_GPIO->OUT ^ LEDS_INV_MASK) )

#define LEDS_INVERT(leds_mask) do { uint32_t gpio_state = NRF_GPIO->OUT;      \
                              NRF_GPIO->OUTSET = ((leds_mask) & ~gpio_state); \
                              NRF_GPIO->OUTCLR = ((leds_mask) & gpio_state); } while (0)

#define LEDS_CONFIGURE(leds_mask) do { uint32_t pin;                  \
                                  for (pin = 0; pin < 32; pin++) \
                                      if ( (leds_mask) & (1 << pin) )   \
                                          nrf_gpio_cfg_output(pin); } while (0)

const uint8_t leds_list[LEDS_NUMBER] = LEDS_LIST;

/**
 * @brief Function for application main entry.
 */
int main(void)
{
    // Configure LED-pins as outputs.
    LEDS_CONFIGURE(LEDS_MASK);

    // Toggle LEDs.
    while (true)
    {
        for (int i = 0; i < LEDS_NUMBER; i++)
        {
            LEDS_INVERT(1 << leds_list[i]);
            nrf_delay_ms(500);
        }
    }
}


/** @} */