lora.h

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/*
 * Copyright (C) 2017 Inria
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#include <stdint.h>
#include <stdlib.h>
 
#include "modules.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef LORA_FREQUENCY_RESOLUTION_NANOHERTZ_DEFAULT
#define LORA_FREQUENCY_RESOLUTION_NANOHERTZ_DEFAULT      61035156250
#endif
 
#ifndef CONFIG_LORA_PREAMBLE_LENGTH_DEFAULT
#define CONFIG_LORA_PREAMBLE_LENGTH_DEFAULT         (8U)
#endif
 
#ifndef CONFIG_LORA_SYMBOL_TIMEOUT_DEFAULT
#define CONFIG_LORA_SYMBOL_TIMEOUT_DEFAULT          (10U)
#endif
 
#if IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_125)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_125_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_250)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_250_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_500)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_500_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_200)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_200_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_400)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_400_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_800)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_800_KHZ)
#elif IS_ACTIVE(CONFIG_LORA_BW_DEFAULT_1600)
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_1600_KHZ)
#endif
 
#ifndef CONFIG_LORA_BW_DEFAULT
#define CONFIG_LORA_BW_DEFAULT                      (LORA_BW_125_KHZ)
#endif
 
#if IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF6)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF6)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF7)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF7)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF8)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF8)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF9)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF9)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF10)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF10)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF11)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF11)
#elif IS_ACTIVE(CONFIG_LORA_SF_DEFAULT_SF12)
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF12)
#endif
 
#ifndef CONFIG_LORA_SF_DEFAULT
#define CONFIG_LORA_SF_DEFAULT                      (LORA_SF7)
#endif
 
#if IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_4_5)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_4_5)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_4_6)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_4_6)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_4_7)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_4_7)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_4_8)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_4_8)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_LI_4_5)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_LI_4_5)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_LI_4_6)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_LI_4_6)
#elif IS_ACTIVE(CONFIG_LORA_CR_DEFAULT_CR_LI_4_8)
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_LI_4_8)
#endif
 
#ifndef CONFIG_LORA_CR_DEFAULT
#define CONFIG_LORA_CR_DEFAULT                      (LORA_CR_4_5)
#endif
 
#ifdef DOXYGEN
#define CONFIG_LORA_IQ_INVERTED_DEFAULT
#endif
 
#ifdef DOXYGEN
#define CONFIG_LORA_FREQUENCY_HOPPING_DEFAULT
#endif
 
#ifndef CONFIG_LORA_FREQUENCY_HOPPING_PERIOD_DEFAULT
#define CONFIG_LORA_FREQUENCY_HOPPING_PERIOD_DEFAULT (0U)
#endif
 
#ifdef DOXYGEN
#define CONFIG_LORA_FIXED_HEADER_LEN_MODE_DEFAULT
#endif
 
#ifdef DOXYGEN
#define CONFIG_LORA_PAYLOAD_CRC_OFF_DEFAULT
#endif
 
#ifndef CONFIG_LORA_PAYLOAD_LENGTH_DEFAULT
#define CONFIG_LORA_PAYLOAD_LENGTH_DEFAULT          (0U)
#endif
#define LORA_SYNCWORD_PUBLIC           (0x34)  
#define LORA_SYNCWORD_PRIVATE          (0x12)  
/* see https://lora-developers.semtech.com/documentation/tech-papers-and-guides/physical-layer-proposal-2.4ghz */
#define LORA_SYNCWORD_ISM2400_PUBLIC   (0x21)  
#define LORA_ISM2400_FREQUENCY_LOW             2400000000   
#define LORA_ISM2400_FREQUENCY_HIGH            2500000000   
enum {
    LORA_BW_125_KHZ = 0,               
    LORA_BW_250_KHZ,                   
    LORA_BW_500_KHZ,                   
    LORA_BW_200_KHZ,                   
    LORA_BW_400_KHZ,                   
    LORA_BW_800_KHZ,                   
    LORA_BW_1600_KHZ,                  
};
 
enum {
    LORA_SF5 = 5,                      
    LORA_SF6,                          
    LORA_SF7,                          
    LORA_SF8,                          
    LORA_SF9,                          
    LORA_SF10,                         
    LORA_SF11,                         
    LORA_SF12                          
};
 
enum {
    LORA_CR_4_5 = 1,                   
    LORA_CR_4_6,                       
    LORA_CR_4_7,                       
    LORA_CR_4_8,                       
    LORA_CR_LI_4_5,                    
    LORA_CR_LI_4_6,                    
    LORA_CR_LI_4_8                     
};
#ifdef __cplusplus
}
#endif