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Use pgm_read() instead of ARDUINOJSON_READ_STATIC_ARRAY

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This commit is contained in:
Benoit Blanchon
2023-01-26 14:28:35 +01:00
parent b350a96643
commit 1ec16ca94f
10 changed files with 83 additions and 86 deletions
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1
extras/tests/Helpers/Arduino.h
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@@ -7,6 +7,5 @@
#include "api/Print.h"
#include "api/Stream.h"
#include "api/String.h"
#include "progmem_emulation.hpp"
#define ARDUINO_H_INCLUDED 1

1
extras/tests/Misc/StringAdapters.cpp
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@@ -6,6 +6,7 @@
#define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
#include "custom_string.hpp"
#include "progmem_emulation.hpp"
#include "weird_strcmp.hpp"
#include <ArduinoJson/Strings/IsString.hpp>

2
extras/tests/MixedConfiguration/enable_progmem_1.cpp
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@@ -2,6 +2,8 @@
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#include "progmem_emulation.hpp"
#define ARDUINOJSON_ENABLE_PROGMEM 1
#include <ArduinoJson.h>

2
extras/tests/MixedConfiguration/enable_string_deduplication_0.cpp
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@@ -2,6 +2,8 @@
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#include "progmem_emulation.hpp"
#define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
#define ARDUINOJSON_ENABLE_PROGMEM 1
#define ARDUINOJSON_ENABLE_STRING_DEDUPLICATION 0

2
extras/tests/MixedConfiguration/enable_string_deduplication_1.cpp
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@@ -2,6 +2,8 @@
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#include "progmem_emulation.hpp"
#define ARDUINOJSON_ENABLE_ARDUINO_STRING 1
#define ARDUINOJSON_ENABLE_PROGMEM 1
#define ARDUINOJSON_ENABLE_STRING_DEDUPLICATION 1

2
extras/tests/MixedConfiguration/issue1707.cpp
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@@ -5,6 +5,8 @@
#define ARDUINO
#define memcpy_P(dest, src, n) memcpy((dest), (src), (n))
#include "progmem_emulation.hpp"
#include <ArduinoJson.h>
#include <catch.hpp>

19
src/ArduinoJson/Deserialization/DeserializationError.hpp
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@@ -6,8 +6,8 @@
#include <ArduinoJson/Misc/SafeBoolIdiom.hpp>
#include <ArduinoJson/Namespace.hpp>
#include <ArduinoJson/Polyfills/pgmspace_generic.hpp>
#include <ArduinoJson/Polyfills/preprocessor.hpp>
#include <ArduinoJson/Polyfills/static_array.hpp>
#if ARDUINOJSON_ENABLE_STD_STREAM
# include <ostream>
@@ -74,16 +74,15 @@ class DeserializationError : public SafeBoolIdom<DeserializationError> {
#if ARDUINOJSON_ENABLE_PROGMEM
const __FlashStringHelper* f_str() const {
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s0, "Ok");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s1, "EmptyInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s2, "IncompleteInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s3, "InvalidInput");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s4, "NoMemory");
ARDUINOJSON_DEFINE_STATIC_ARRAY(char, s5, "TooDeep");
ARDUINOJSON_DEFINE_STATIC_ARRAY(
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s0, "Ok");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s1, "EmptyInput");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s2, "IncompleteInput");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s3, "InvalidInput");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s4, "NoMemory");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s5, "TooDeep");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(
const char*, messages, ARDUINOJSON_EXPAND6({s0, s1, s2, s3, s4, s5}));
return ARDUINOJSON_READ_STATIC_ARRAY(const __FlashStringHelper*, messages,
_code);
return pgm_read<const __FlashStringHelper*>(messages + _code);
}
#endif

83
src/ArduinoJson/Numbers/FloatTraits.hpp
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@@ -10,8 +10,8 @@
#include <ArduinoJson/Configuration.hpp>
#include <ArduinoJson/Polyfills/alias_cast.hpp>
#include <ArduinoJson/Polyfills/math.hpp>
#include <ArduinoJson/Polyfills/pgmspace_generic.hpp>
#include <ArduinoJson/Polyfills/preprocessor.hpp>
#include <ArduinoJson/Polyfills/static_array.hpp>
#include <ArduinoJson/Polyfills/type_traits.hpp>
namespace ARDUINOJSON_NAMESPACE {
@@ -49,7 +49,7 @@ struct FloatTraits<T, 8 /*64bits*/> {
}
static T positiveBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
ARDUINOJSON_DEFINE_PROGMEM_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x40240000, 0x00000000, // 1e1
@@ -62,13 +62,12 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x5A827748, 0xF9301D32, // 1e128
0x75154FDD, 0x7F73BF3C // 1e256
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
return forge(pgm_read<uint32_t>(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1));
}
static T negativeBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
ARDUINOJSON_DEFINE_PROGMEM_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x3FB99999, 0x9999999A, // 1e-1
@@ -81,13 +80,12 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x255BBA08, 0xCF8C979D, // 1e-128
0x0AC80628, 0x64AC6F43 // 1e-256
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
return forge(pgm_read<uint32_t>(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1));
}
static T negativeBinaryPowerOfTenPlusOne(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY( //
ARDUINOJSON_DEFINE_PROGMEM_ARRAY( //
uint32_t, factors,
ARDUINOJSON_EXPAND18({
0x3FF00000, 0x00000000, // 1e0
@@ -100,9 +98,8 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x25915445, 0x81B7DEC2, // 1e-127
0x0AFE07B2, 0x7DD78B14 // 1e-255
}));
return forge(
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index),
ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, 2 * index + 1));
return forge(pgm_read<uint32_t>(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1));
}
static T nan() {
@@ -175,42 +172,42 @@ struct FloatTraits<T, 4 /*32bits*/> {
}
static T positiveBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x41200000, // 1e1f
0x42c80000, // 1e2f
0x461c4000, // 1e4f
0x4cbebc20, // 1e8f
0x5a0e1bca, // 1e16f
0x749dc5ae // 1e32f
}));
return forge(ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, index));
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x41200000, // 1e1f
0x42c80000, // 1e2f
0x461c4000, // 1e4f
0x4cbebc20, // 1e8f
0x5a0e1bca, // 1e16f
0x749dc5ae // 1e32f
}));
return forge(pgm_read<uint32_t>(factors + index));
}
static T negativeBinaryPowerOfTen(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x3dcccccd, // 1e-1f
0x3c23d70a, // 1e-2f
0x38d1b717, // 1e-4f
0x322bcc77, // 1e-8f
0x24e69595, // 1e-16f
0x0a4fb11f // 1e-32f
}));
return forge(ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, index));
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x3dcccccd, // 1e-1f
0x3c23d70a, // 1e-2f
0x38d1b717, // 1e-4f
0x322bcc77, // 1e-8f
0x24e69595, // 1e-16f
0x0a4fb11f // 1e-32f
}));
return forge(pgm_read<uint32_t>(factors + index));
}
static T negativeBinaryPowerOfTenPlusOne(int index) {
ARDUINOJSON_DEFINE_STATIC_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x3f800000, // 1e0f
0x3dcccccd, // 1e-1f
0x3a83126f, // 1e-3f
0x33d6bf95, // 1e-7f
0x26901d7d, // 1e-15f
0x0c01ceb3 // 1e-31f
}));
return forge(ARDUINOJSON_READ_STATIC_ARRAY(uint32_t, factors, index));
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(uint32_t, factors,
ARDUINOJSON_EXPAND6({
0x3f800000, // 1e0f
0x3dcccccd, // 1e-1f
0x3a83126f, // 1e-3f
0x33d6bf95, // 1e-7f
0x26901d7d, // 1e-15f
0x0c01ceb3 // 1e-31f
}));
return forge(pgm_read<uint32_t>(factors + index));
}
static T forge(uint32_t bits) {

27
src/ArduinoJson/Polyfills/pgmspace_generic.hpp
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@@ -5,11 +5,21 @@
#pragma once
#include <ArduinoJson/Namespace.hpp>
#include <ArduinoJson/Polyfills/pgmspace.hpp>
#include <ArduinoJson/Polyfills/type_traits.hpp>
#if ARDUINOJSON_ENABLE_PROGMEM
# include <ArduinoJson/Polyfills/pgmspace.hpp>
# include <ArduinoJson/Polyfills/type_traits.hpp>
#endif
namespace ARDUINOJSON_NAMESPACE {
#if ARDUINOJSON_ENABLE_PROGMEM
# ifndef ARDUINOJSON_DEFINE_PROGMEM_ARRAY
# define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const name[] PROGMEM = value;
# endif
template <typename T>
typename enable_if<is_pointer<T>::value, T>::type pgm_read(const void* p) {
return reinterpret_cast<T>(pgm_read_ptr(p));
@@ -20,5 +30,18 @@ typename enable_if<is_same<T, uint32_t>::value, T>::type pgm_read(
const void* p) {
return pgm_read_dword(p);
}
#else
# ifndef ARDUINOJSON_DEFINE_PROGMEM_ARRAY
# define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const name[] = value;
# endif
template <typename T>
inline T pgm_read(const void* p) {
return *reinterpret_cast<const T*>(p);
}
#endif
} // namespace ARDUINOJSON_NAMESPACE

30
src/ArduinoJson/Polyfills/static_array.hpp
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@@ -1,30 +0,0 @@
// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2022, Benoit BLANCHON
// MIT License
#pragma once
#include <ArduinoJson/Configuration.hpp>
#if ARDUINOJSON_ENABLE_PROGMEM
# include <ArduinoJson/Polyfills/pgmspace_generic.hpp>
# ifndef ARDUINOJSON_DEFINE_PROGMEM_ARRAY
# define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const name[] PROGMEM = value;
# endif
# define ARDUINOJSON_DEFINE_STATIC_ARRAY ARDUINOJSON_DEFINE_PROGMEM_ARRAY
# define ARDUINOJSON_READ_STATIC_ARRAY(type, name, index) \
pgm_read<type>(name + index)
#else // i.e. ARDUINOJSON_ENABLE_PROGMEM == 0
# define ARDUINOJSON_DEFINE_STATIC_ARRAY(type, name, value) \
static type const name[] = value;
# define ARDUINOJSON_READ_STATIC_ARRAY(type, name, index) name[index]
#endif