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* Initial release for SX1302 CoreCell Reference Design.
This commit is contained in:
Michael Coracin 2019-07-12 15:40:13 +02:00
commit 4c61c5d48e
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/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2019 Semtech
Description:
Base64 encoding & decoding library
License: Revised BSD License, see LICENSE.TXT file include in the project
*/
#ifndef _BASE64_H
#define _BASE64_H
/* -------------------------------------------------------------------------- */
/* --- DEPENDANCIES --------------------------------------------------------- */
#include <stdint.h> /* C99 types */
/* -------------------------------------------------------------------------- */
/* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */
/**
@brief Encode binary data in Base64 string (no padding)
@param in pointer to a table of binary data
@param size number of bytes to be encoded to base64
@param out pointer to a string where the function will output encoded data
@param max_len max length of the out string (including null char)
@return >=0 length of the resulting string (w/o null char), -1 for error
*/
int bin_to_b64_nopad(const uint8_t * in, int size, char * out, int max_len);
/**
@brief Decode Base64 string to binary data (no padding)
@param in string containing only base64 valid characters
@param size number of characters to be decoded from base64 (w/o null char)
@param out pointer to a data buffer where the function will output decoded data
@param out_max_len usable size of the output data buffer
@return >=0 number of bytes written to the data buffer, -1 for error
*/
int b64_to_bin_nopad(const char * in, int size, uint8_t * out, int max_len);
/* === derivative functions === */
/**
@brief Encode binary data in Base64 string (with added padding)
*/
int bin_to_b64(const uint8_t * in, int size, char * out, int max_len);
/**
@brief Decode Base64 string to binary data (remove padding if necessary)
*/
int b64_to_bin(const char * in, int size, uint8_t * out, int max_len);
#endif
/* --- EOF ------------------------------------------------------------------ */

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/*
Parson ( http://kgabis.github.com/parson/ )
Copyright (c) 2012 - 2016 Krzysztof Gabis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef parson_parson_h
#define parson_parson_h
#ifdef __cplusplus
extern "C"
{
#endif
#include <stddef.h> /* size_t */
/* Types and enums */
typedef struct json_object_t JSON_Object;
typedef struct json_array_t JSON_Array;
typedef struct json_value_t JSON_Value;
enum json_value_type {
JSONError = -1,
JSONNull = 1,
JSONString = 2,
JSONNumber = 3,
JSONObject = 4,
JSONArray = 5,
JSONBoolean = 6
};
typedef int JSON_Value_Type;
enum json_result_t {
JSONSuccess = 0,
JSONFailure = -1
};
typedef int JSON_Status;
typedef void * (*JSON_Malloc_Function)(size_t);
typedef void (*JSON_Free_Function)(void *);
/* Call only once, before calling any other function from parson API. If not called, malloc and free
from stdlib will be used for all allocations */
void json_set_allocation_functions(JSON_Malloc_Function malloc_fun, JSON_Free_Function free_fun);
/* Parses first JSON value in a file, returns NULL in case of error */
JSON_Value * json_parse_file(const char *filename);
/* Parses first JSON value in a file and ignores comments (/ * * / and //),
returns NULL in case of error */
JSON_Value * json_parse_file_with_comments(const char *filename);
/* Parses first JSON value in a string, returns NULL in case of error */
JSON_Value * json_parse_string(const char *string);
/* Parses first JSON value in a string and ignores comments (/ * * / and //),
returns NULL in case of error */
JSON_Value * json_parse_string_with_comments(const char *string);
/* Serialization */
size_t json_serialization_size(const JSON_Value *value); /* returns 0 on fail */
JSON_Status json_serialize_to_buffer(const JSON_Value *value, char *buf, size_t buf_size_in_bytes);
JSON_Status json_serialize_to_file(const JSON_Value *value, const char *filename);
char * json_serialize_to_string(const JSON_Value *value);
/* Pretty serialization */
size_t json_serialization_size_pretty(const JSON_Value *value); /* returns 0 on fail */
JSON_Status json_serialize_to_buffer_pretty(const JSON_Value *value, char *buf, size_t buf_size_in_bytes);
JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename);
char * json_serialize_to_string_pretty(const JSON_Value *value);
void json_free_serialized_string(char *string); /* frees string from json_serialize_to_string and json_serialize_to_string_pretty */
/* Comparing */
int json_value_equals(const JSON_Value *a, const JSON_Value *b);
/* Validation
This is *NOT* JSON Schema. It validates json by checking if object have identically
named fields with matching types.
For example schema {"name":"", "age":0} will validate
{"name":"Joe", "age":25} and {"name":"Joe", "age":25, "gender":"m"},
but not {"name":"Joe"} or {"name":"Joe", "age":"Cucumber"}.
In case of arrays, only first value in schema is checked against all values in tested array.
Empty objects ({}) validate all objects, empty arrays ([]) validate all arrays,
null validates values of every type.
*/
JSON_Status json_validate(const JSON_Value *schema, const JSON_Value *value);
/*
* JSON Object
*/
JSON_Value * json_object_get_value (const JSON_Object *object, const char *name);
const char * json_object_get_string (const JSON_Object *object, const char *name);
JSON_Object * json_object_get_object (const JSON_Object *object, const char *name);
JSON_Array * json_object_get_array (const JSON_Object *object, const char *name);
double json_object_get_number (const JSON_Object *object, const char *name); /* returns 0 on fail */
int json_object_get_boolean(const JSON_Object *object, const char *name); /* returns -1 on fail */
/* dotget functions enable addressing values with dot notation in nested objects,
just like in structs or c++/java/c# objects (e.g. objectA.objectB.value).
Because valid names in JSON can contain dots, some values may be inaccessible
this way. */
JSON_Value * json_object_dotget_value (const JSON_Object *object, const char *name);
const char * json_object_dotget_string (const JSON_Object *object, const char *name);
JSON_Object * json_object_dotget_object (const JSON_Object *object, const char *name);
JSON_Array * json_object_dotget_array (const JSON_Object *object, const char *name);
double json_object_dotget_number (const JSON_Object *object, const char *name); /* returns 0 on fail */
int json_object_dotget_boolean(const JSON_Object *object, const char *name); /* returns -1 on fail */
/* Functions to get available names */
size_t json_object_get_count(const JSON_Object *object);
const char * json_object_get_name (const JSON_Object *object, size_t index);
/* Creates new name-value pair or frees and replaces old value with a new one.
* json_object_set_value does not copy passed value so it shouldn't be freed afterwards. */
JSON_Status json_object_set_value(JSON_Object *object, const char *name, JSON_Value *value);
JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string);
JSON_Status json_object_set_number(JSON_Object *object, const char *name, double number);
JSON_Status json_object_set_boolean(JSON_Object *object, const char *name, int boolean);
JSON_Status json_object_set_null(JSON_Object *object, const char *name);
/* Works like dotget functions, but creates whole hierarchy if necessary.
* json_object_dotset_value does not copy passed value so it shouldn't be freed afterwards. */
JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value);
JSON_Status json_object_dotset_string(JSON_Object *object, const char *name, const char *string);
JSON_Status json_object_dotset_number(JSON_Object *object, const char *name, double number);
JSON_Status json_object_dotset_boolean(JSON_Object *object, const char *name, int boolean);
JSON_Status json_object_dotset_null(JSON_Object *object, const char *name);
/* Frees and removes name-value pair */
JSON_Status json_object_remove(JSON_Object *object, const char *name);
/* Works like dotget function, but removes name-value pair only on exact match. */
JSON_Status json_object_dotremove(JSON_Object *object, const char *key);
/* Removes all name-value pairs in object */
JSON_Status json_object_clear(JSON_Object *object);
/*
*JSON Array
*/
JSON_Value * json_array_get_value (const JSON_Array *array, size_t index);
const char * json_array_get_string (const JSON_Array *array, size_t index);
JSON_Object * json_array_get_object (const JSON_Array *array, size_t index);
JSON_Array * json_array_get_array (const JSON_Array *array, size_t index);
double json_array_get_number (const JSON_Array *array, size_t index); /* returns 0 on fail */
int json_array_get_boolean(const JSON_Array *array, size_t index); /* returns -1 on fail */
size_t json_array_get_count (const JSON_Array *array);
/* Frees and removes value at given index, does nothing and returns JSONFailure if index doesn't exist.
* Order of values in array may change during execution. */
JSON_Status json_array_remove(JSON_Array *array, size_t i);
/* Frees and removes from array value at given index and replaces it with given one.
* Does nothing and returns JSONFailure if index doesn't exist.
* json_array_replace_value does not copy passed value so it shouldn't be freed afterwards. */
JSON_Status json_array_replace_value(JSON_Array *array, size_t i, JSON_Value *value);
JSON_Status json_array_replace_string(JSON_Array *array, size_t i, const char* string);
JSON_Status json_array_replace_number(JSON_Array *array, size_t i, double number);
JSON_Status json_array_replace_boolean(JSON_Array *array, size_t i, int boolean);
JSON_Status json_array_replace_null(JSON_Array *array, size_t i);
/* Frees and removes all values from array */
JSON_Status json_array_clear(JSON_Array *array);
/* Appends new value at the end of array.
* json_array_append_value does not copy passed value so it shouldn't be freed afterwards. */
JSON_Status json_array_append_value(JSON_Array *array, JSON_Value *value);
JSON_Status json_array_append_string(JSON_Array *array, const char *string);
JSON_Status json_array_append_number(JSON_Array *array, double number);
JSON_Status json_array_append_boolean(JSON_Array *array, int boolean);
JSON_Status json_array_append_null(JSON_Array *array);
/*
*JSON Value
*/
JSON_Value * json_value_init_object (void);
JSON_Value * json_value_init_array (void);
JSON_Value * json_value_init_string (const char *string); /* copies passed string */
JSON_Value * json_value_init_number (double number);
JSON_Value * json_value_init_boolean(int boolean);
JSON_Value * json_value_init_null (void);
JSON_Value * json_value_deep_copy (const JSON_Value *value);
void json_value_free (JSON_Value *value);
JSON_Value_Type json_value_get_type (const JSON_Value *value);
JSON_Object * json_value_get_object (const JSON_Value *value);
JSON_Array * json_value_get_array (const JSON_Value *value);
const char * json_value_get_string (const JSON_Value *value);
double json_value_get_number (const JSON_Value *value);
int json_value_get_boolean(const JSON_Value *value);
/* Same as above, but shorter */
JSON_Value_Type json_type (const JSON_Value *value);
JSON_Object * json_object (const JSON_Value *value);
JSON_Array * json_array (const JSON_Value *value);
const char * json_string (const JSON_Value *value);
double json_number (const JSON_Value *value);
int json_boolean(const JSON_Value *value);
#ifdef __cplusplus
}
#endif
#endif

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#ifndef TINYMT32_H
#define TINYMT32_H
/**
* @file tinymt32.h
*
* @brief Tiny Mersenne Twister only 127 bit internal state
*
* @author Mutsuo Saito (Hiroshima University)
* @author Makoto Matsumoto (University of Tokyo)
*
* Copyright (C) 2011 Mutsuo Saito, Makoto Matsumoto,
* Hiroshima University and The University of Tokyo.
* All rights reserved.
*
* The 3-clause BSD License is applied to this software, see
* LICENSE.txt
*/
#include <stdint.h>
#include <inttypes.h>
#define TINYMT32_MEXP 127
#define TINYMT32_SH0 1
#define TINYMT32_SH1 10
#define TINYMT32_SH8 8
#define TINYMT32_MASK UINT32_C(0x7fffffff)
#define TINYMT32_MUL (1.0f / 16777216.0f)
#if defined(__cplusplus)
extern "C" {
#endif
/**
* tinymt32 internal state vector and parameters
*/
struct TINYMT32_T {
uint32_t status[4];
uint32_t mat1;
uint32_t mat2;
uint32_t tmat;
};
typedef struct TINYMT32_T tinymt32_t;
void tinymt32_init(tinymt32_t * random, uint32_t seed);
void tinymt32_init_by_array(tinymt32_t * random, uint32_t init_key[],
int key_length);
#if defined(__GNUC__)
/**
* This function always returns 127
* @param random not used
* @return always 127
*/
inline static int tinymt32_get_mexp(
tinymt32_t * random __attribute__((unused))) {
return TINYMT32_MEXP;
}
#else
inline static int tinymt32_get_mexp(tinymt32_t * random) {
return TINYMT32_MEXP;
}
#endif
/**
* This function changes internal state of tinymt32.
* Users should not call this function directly.
* @param random tinymt internal status
*/
inline static void tinymt32_next_state(tinymt32_t * random) {
uint32_t x;
uint32_t y;
y = random->status[3];
x = (random->status[0] & TINYMT32_MASK)
^ random->status[1]
^ random->status[2];
x ^= (x << TINYMT32_SH0);
y ^= (y >> TINYMT32_SH0) ^ x;
random->status[0] = random->status[1];
random->status[1] = random->status[2];
random->status[2] = x ^ (y << TINYMT32_SH1);
random->status[3] = y;
random->status[1] ^= -((int32_t)(y & 1)) & random->mat1;
random->status[2] ^= -((int32_t)(y & 1)) & random->mat2;
}
/**
* This function outputs 32-bit unsigned integer from internal state.
* Users should not call this function directly.
* @param random tinymt internal status
* @return 32-bit unsigned pseudorandom number
*/
inline static uint32_t tinymt32_temper(tinymt32_t * random) {
uint32_t t0, t1;
t0 = random->status[3];
#if defined(LINEARITY_CHECK)
t1 = random->status[0]
^ (random->status[2] >> TINYMT32_SH8);
#else
t1 = random->status[0]
+ (random->status[2] >> TINYMT32_SH8);
#endif
t0 ^= t1;
t0 ^= -((int32_t)(t1 & 1)) & random->tmat;
return t0;
}
/**
* This function outputs floating point number from internal state.
* Users should not call this function directly.
* @param random tinymt internal status
* @return floating point number r (1.0 <= r < 2.0)
*/
inline static float tinymt32_temper_conv(tinymt32_t * random) {
uint32_t t0, t1;
union {
uint32_t u;
float f;
} conv;
t0 = random->status[3];
#if defined(LINEARITY_CHECK)
t1 = random->status[0]
^ (random->status[2] >> TINYMT32_SH8);
#else
t1 = random->status[0]
+ (random->status[2] >> TINYMT32_SH8);
#endif
t0 ^= t1;
conv.u = ((t0 ^ (-((int32_t)(t1 & 1)) & random->tmat)) >> 9)
| UINT32_C(0x3f800000);
return conv.f;
}
/**
* This function outputs floating point number from internal state.
* Users should not call this function directly.
* @param random tinymt internal status
* @return floating point number r (1.0 < r < 2.0)
*/
inline static float tinymt32_temper_conv_open(tinymt32_t * random) {
uint32_t t0, t1;
union {
uint32_t u;
float f;
} conv;
t0 = random->status[3];
#if defined(LINEARITY_CHECK)
t1 = random->status[0]
^ (random->status[2] >> TINYMT32_SH8);
#else
t1 = random->status[0]
+ (random->status[2] >> TINYMT32_SH8);
#endif
t0 ^= t1;
conv.u = ((t0 ^ (-((int32_t)(t1 & 1)) & random->tmat)) >> 9)
| UINT32_C(0x3f800001);
return conv.f;
}
/**
* This function outputs 32-bit unsigned integer from internal state.
* @param random tinymt internal status
* @return 32-bit unsigned integer r (0 <= r < 2^32)
*/
inline static uint32_t tinymt32_generate_uint32(tinymt32_t * random) {
tinymt32_next_state(random);
return tinymt32_temper(random);
}
/**
* This function outputs floating point number from internal state.
* This function is implemented using multiplying by (1 / 2^24).
* floating point multiplication is faster than using union trick in
* my Intel CPU.
* @param random tinymt internal status
* @return floating point number r (0.0 <= r < 1.0)
*/
inline static float tinymt32_generate_float(tinymt32_t * random) {
tinymt32_next_state(random);
return (tinymt32_temper(random) >> 8) * TINYMT32_MUL;
}
/**
* This function outputs floating point number from internal state.
* This function is implemented using union trick.
* @param random tinymt internal status
* @return floating point number r (1.0 <= r < 2.0)
*/
inline static float tinymt32_generate_float12(tinymt32_t * random) {
tinymt32_next_state(random);
return tinymt32_temper_conv(random);
}
/**
* This function outputs floating point number from internal state.
* This function is implemented using union trick.
* @param random tinymt internal status
* @return floating point number r (0.0 <= r < 1.0)
*/
inline static float tinymt32_generate_float01(tinymt32_t * random) {
tinymt32_next_state(random);
return tinymt32_temper_conv(random) - 1.0f;
}
/**
* This function outputs floating point number from internal state.
* This function may return 1.0 and never returns 0.0.
* @param random tinymt internal status
* @return floating point number r (0.0 < r <= 1.0)
*/
inline static float tinymt32_generate_floatOC(tinymt32_t * random) {
tinymt32_next_state(random);
return 1.0f - tinymt32_generate_float(random);
}
/**
* This function outputs floating point number from internal state.
* This function returns neither 0.0 nor 1.0.
* @param random tinymt internal status
* @return floating point number r (0.0 < r < 1.0)
*/
inline static float tinymt32_generate_floatOO(tinymt32_t * random) {
tinymt32_next_state(random);
return tinymt32_temper_conv_open(random) - 1.0f;
}
/**
* This function outputs double precision floating point number from
* internal state. The returned value has 32-bit precision.
* In other words, this function makes one double precision floating point
* number from one 32-bit unsigned integer.
* @param random tinymt internal status
* @return floating point number r (0.0 <= r < 1.0)
*/
inline static double tinymt32_generate_32double(tinymt32_t * random) {
tinymt32_next_state(random);
return tinymt32_temper(random) * (1.0 / 4294967296.0);
}
#if defined(__cplusplus)
}
#endif
#endif