/**
 * The MySensors Arduino library handles the wireless radio link and protocol
 * between your home built sensors/actuators and HA controller of choice.
 * The sensors forms a self healing radio network with optional repeaters. Each
 * repeater and gateway builds a routing tables in EEPROM which keeps track of
 * the
 * network topology allowing messages to be routed to nodes.
 *
 * Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
 * Copyright (C) 2013-2015 Sensnology AB
 * Copyright (C) 2017 Frank Holtz
 * Full contributor list:
 * https://github.com/mysensors/Arduino/graphs/contributors
 *
 * Documentation: http://www.mysensors.org
 * Support Forum: http://forum.mysensors.org
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 */
#ifndef MyHwNRF5_h
#define MyHwNRF5_h

#include "MyHw.h"

#ifdef __cplusplus
#include <Arduino.h>
#endif

// Define NRF5_SOFTDEVICE when SoftDevice found
#if defined(S110) || defined(S130) || defined(S132)
#ifndef NRF5_SOFTDEVICE
#define NRF5_SOFTDEVICE
#endif
#endif

#include "drivers/NRF5/nrf5_wiring_digital.c"
#include "drivers/NRF5/wdt.h"
#include "drivers/NVM/NVRAM.h"
#include "drivers/NVM/VirtualPage.h"
#include <avr/dtostrf.h>
#include <nrf.h>

#define snprintf_P(s, f, ...) snprintf((s), (f), __VA_ARGS__)
#define printf_P printf

// Define these as macros to save valuable space
#define hwDigitalWrite(__pin, __value) digitalWrite(__pin, __value)
#define hwDigitalRead(__pin) digitalRead(__pin)
#define hwPinMode(__pin, __value) nrf5_pinMode(__pin, __value)
#define hwMillis() millis()

bool hwInit();
void hwWatchdogReset();
void hwReboot();
void hwReadConfigBlock(void *buf, void *adr, size_t length);
void hwWriteConfigBlock(void *buf, void *adr, size_t length);
void hwWriteConfig(int adr, uint8_t value);
uint8_t hwReadConfig(int adr);
void hwRandomNumberInit();
ssize_t hwGetentropy(void *__buffer, size_t __length);
#define MY_HW_HAS_GETRANDOM

#ifndef MY_SERIALDEVICE
#define MY_SERIALDEVICE Serial
#endif

/**
 * Disable all interrupts.
 * Helper function for MY_CRITICAL_SECTION.
 */
static __inline__ uint8_t __disableIntsRetVal(void)
{
	__disable_irq();
	return 1;
}

/**
 * Restore priority mask register.
 * Helper function for MY_CRITICAL_SECTION.
 */
static __inline__ void __priMaskRestore(const uint32_t *priMask)
{
	__set_PRIMASK(*priMask);
}

/**
 * Reset events and read back on nRF52
 * http://infocenter.nordicsemi.com/pdf/nRF52_Series_Migration_v1.0.pdf
 */
#if __CORTEX_M == 0x04
#define NRF_RESET_EVENT(event)                                                 \
	event = 0;                                                                   \
	(void)event
#else
#define NRF_RESET_EVENT(event) event = 0
#endif
/**
 * RTC to use for hwSleep
 * RTC1 is used by arduino-nRF5
 * RTC2 is used on nRF52
 * RTC0 is used on nRF51. This conflicts with SoftDevice!
 */
#ifdef NRF_RTC2
#define MY_HW_RTC NRF_RTC2
#define MY_HW_RTC_IRQ_HANDLER RTC2_IRQHandler
#define MY_HW_RTC_IRQN RTC2_IRQn
#else
#define MY_HW_RTC NRF_RTC0
#define MY_HW_RTC_IRQ_HANDLER RTC0_IRQHandler
#define MY_HW_RTC_IRQN RTC0_IRQn
#endif

/** Datastructure for AES ECB unit
 */
typedef struct {
	/** AES Key
	 */
	uint8_t key[16];
	/** Unencrypted data
	 */
	uint8_t cleartext[16];
	/** Encrypted data
	 */
	uint8_t ciphertext[16];
} nrf_ecb_t;

#ifndef DOXYGEN
#define MY_CRITICAL_SECTION
// temp. commented, to fix "CircularBuffer.h:94:2: warning: control reaches end of non-void function" error
#define __MY_CRITICAL_SECTION                                                    \
	for (uint32_t __savePriMask                                                  \
	        __attribute__((__cleanup__(__priMaskRestore))) = __get_PRIMASK(),       \
	        __ToDo = __disableIntsRetVal();                                         \
	        __ToDo; __ToDo = 0)
#endif /* DOXYGEN */

#endif // #ifdef ARDUINO_ARCH_NRF5