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Deduce template argument of pgm_read()

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This commit is contained in:
Benoit Blanchon
2023-01-26 18:10:41 +01:00
parent 1ec16ca94f
commit 34b38e07c7
3 changed files with 16 additions and 17 deletions
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3
src/ArduinoJson/Deserialization/DeserializationError.hpp
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@@ -82,7 +82,8 @@ class DeserializationError : public SafeBoolIdom<DeserializationError> {
ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s5, "TooDeep"); ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s5, "TooDeep");
ARDUINOJSON_DEFINE_PROGMEM_ARRAY( ARDUINOJSON_DEFINE_PROGMEM_ARRAY(
const char*, messages, ARDUINOJSON_EXPAND6({s0, s1, s2, s3, s4, s5})); const char*, messages, ARDUINOJSON_EXPAND6({s0, s1, s2, s3, s4, s5}));
return pgm_read<const __FlashStringHelper*>(messages + _code); return reinterpret_cast<const __FlashStringHelper*>(
pgm_read(messages + _code));
} }
#endif #endif

18
src/ArduinoJson/Numbers/FloatTraits.hpp
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@@ -62,8 +62,8 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x5A827748, 0xF9301D32, // 1e128 0x5A827748, 0xF9301D32, // 1e128
0x75154FDD, 0x7F73BF3C // 1e256 0x75154FDD, 0x7F73BF3C // 1e256
})); }));
return forge(pgm_read<uint32_t>(factors + 2 * index), return forge(pgm_read(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1)); pgm_read(factors + 2 * index + 1));
} }
static T negativeBinaryPowerOfTen(int index) { static T negativeBinaryPowerOfTen(int index) {
@@ -80,8 +80,8 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x255BBA08, 0xCF8C979D, // 1e-128 0x255BBA08, 0xCF8C979D, // 1e-128
0x0AC80628, 0x64AC6F43 // 1e-256 0x0AC80628, 0x64AC6F43 // 1e-256
})); }));
return forge(pgm_read<uint32_t>(factors + 2 * index), return forge(pgm_read(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1)); pgm_read(factors + 2 * index + 1));
} }
static T negativeBinaryPowerOfTenPlusOne(int index) { static T negativeBinaryPowerOfTenPlusOne(int index) {
@@ -98,8 +98,8 @@ struct FloatTraits<T, 8 /*64bits*/> {
0x25915445, 0x81B7DEC2, // 1e-127 0x25915445, 0x81B7DEC2, // 1e-127
0x0AFE07B2, 0x7DD78B14 // 1e-255 0x0AFE07B2, 0x7DD78B14 // 1e-255
})); }));
return forge(pgm_read<uint32_t>(factors + 2 * index), return forge(pgm_read(factors + 2 * index),
pgm_read<uint32_t>(factors + 2 * index + 1)); pgm_read(factors + 2 * index + 1));
} }
static T nan() { static T nan() {
@@ -181,7 +181,7 @@ struct FloatTraits<T, 4 /*32bits*/> {
0x5a0e1bca, // 1e16f 0x5a0e1bca, // 1e16f
0x749dc5ae // 1e32f 0x749dc5ae // 1e32f
})); }));
return forge(pgm_read<uint32_t>(factors + index)); return forge(pgm_read(factors + index));
} }
static T negativeBinaryPowerOfTen(int index) { static T negativeBinaryPowerOfTen(int index) {
@@ -194,7 +194,7 @@ struct FloatTraits<T, 4 /*32bits*/> {
0x24e69595, // 1e-16f 0x24e69595, // 1e-16f
0x0a4fb11f // 1e-32f 0x0a4fb11f // 1e-32f
})); }));
return forge(pgm_read<uint32_t>(factors + index)); return forge(pgm_read(factors + index));
} }
static T negativeBinaryPowerOfTenPlusOne(int index) { static T negativeBinaryPowerOfTenPlusOne(int index) {
@@ -207,7 +207,7 @@ struct FloatTraits<T, 4 /*32bits*/> {
0x26901d7d, // 1e-15f 0x26901d7d, // 1e-15f
0x0c01ceb3 // 1e-31f 0x0c01ceb3 // 1e-31f
})); }));
return forge(pgm_read<uint32_t>(factors + index)); return forge(pgm_read(factors + index));
} }
static T forge(uint32_t bits) { static T forge(uint32_t bits) {

12
src/ArduinoJson/Polyfills/pgmspace_generic.hpp
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@@ -21,13 +21,11 @@ namespace ARDUINOJSON_NAMESPACE {
# endif # endif
template <typename T> template <typename T>
typename enable_if<is_pointer<T>::value, T>::type pgm_read(const void* p) { inline const T* pgm_read(const T* const* p) {
return reinterpret_cast<T>(pgm_read_ptr(p)); return reinterpret_cast<const T*>(pgm_read_ptr(p));
} }
template <typename T> inline uint32_t pgm_read(const uint32_t* p) {
typename enable_if<is_same<T, uint32_t>::value, T>::type pgm_read(
const void* p) {
return pgm_read_dword(p); return pgm_read_dword(p);
} }
#else #else
@@ -38,8 +36,8 @@ typename enable_if<is_same<T, uint32_t>::value, T>::type pgm_read(
# endif # endif
template <typename T> template <typename T>
inline T pgm_read(const void* p) { inline T pgm_read(const T* p) {
return *reinterpret_cast<const T*>(p); return *p;
} }
#endif #endif