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Node / meshcore / MeshCore / files / src / helpers / TxtDataHelpers.cpp

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src/helpers/TxtDataHelpers.cpp 890a2e2cffa98dea3ca88db3c3aba72ef23ff3f7 (890a2e2c) Text, 3.34 KB

Tff7b72#Tff7b72include T8b949e"TxtDataHelpers.h"

Tffa657void Td2a8ffStrHelper::strncpyTb4b4b4(Tffa657charTff7b72* Te6edf3destTb4b4b4, Tff7b72const Tffa657charTff7b72* Te6edf3srcTb4b4b4, Tffa657size_t Te6edf3buf_szTb4b4b4) Tb4b4b4{
Tff7b72while Tb4b4b4(Te6edf3buf_sz Tff7b72> T79c0ff1 Tff7b72&Tff7b72& Tff7b72*Te6edf3srcTb4b4b4) Tb4b4b4{
Tff7b72*Te6edf3destTff7b72+Tff7b72+ Tff7b72= Tff7b72*Te6edf3srcTff7b72+Tff7b72+Tb4b4b4;
Te6edf3buf_szTff7b72-Tff7b72-Tb4b4b4;
Tb4b4b4}
Tff7b72*Te6edf3dest Tff7b72= T79c0ff0Tb4b4b4; T8b949e// truncates if needed
Tb4b4b4}

Tffa657void Td2a8ffStrHelper::strzcpyTb4b4b4(Tffa657charTff7b72* Te6edf3destTb4b4b4, Tff7b72const Tffa657charTff7b72* Te6edf3srcTb4b4b4, Tffa657size_t Te6edf3buf_szTb4b4b4) Tb4b4b4{
Tff7b72while Tb4b4b4(Te6edf3buf_sz Tff7b72> T79c0ff1 Tff7b72&Tff7b72& Tff7b72*Te6edf3srcTb4b4b4) Tb4b4b4{
Tff7b72*Te6edf3destTff7b72+Tff7b72+ Tff7b72= Tff7b72*Te6edf3srcTff7b72+Tff7b72+Tb4b4b4;
Te6edf3buf_szTff7b72-Tff7b72-Tb4b4b4;
Tb4b4b4}
Tff7b72while Tb4b4b4(Te6edf3buf_sz Tff7b72> T79c0ff0Tb4b4b4) Tb4b4b4{ T8b949e// pad remaining with nulls
Tff7b72*Te6edf3destTff7b72+Tff7b72+ Tff7b72= T79c0ff0Tb4b4b4;
Te6edf3buf_szTff7b72-Tff7b72-Tb4b4b4;
Tb4b4b4}
Tb4b4b4}

Tffa657bool Td2a8ffStrHelper::isBlankTb4b4b4(Tff7b72const Tffa657charTff7b72* Te6edf3strTb4b4b4) Tb4b4b4{
Tff7b72while Tb4b4b4(Tff7b72*Te6edf3strTb4b4b4) Tb4b4b4{
Tff7b72if Tb4b4b4(Tff7b72*Te6edf3strTff7b72+Tff7b72+ Tff7b72!Tff7b72= Ta5d6ff'Ta5d6ff Ta5d6ff'Tb4b4b4) Tff7b72return Tffa657falseTb4b4b4;
Tb4b4b4}
Tff7b72return Tffa657trueTb4b4b4;
Tb4b4b4}

Tff7b72#Tff7b72include T8b949e<Arduino.h>

Tff7b72union T56d364int32_Float_t
Tb4b4b4{
Tffa657int32_t Te6edf3LongTb4b4b4;
Tffa657float Te6edf3FloatTb4b4b4;
Tb4b4b4}Tb4b4b4;

Tff7b72#Tff7b72ifndef FLT_MIN_EXP
Tff7b72#Tff7b72define FLT_MIN_EXP (-999)
Tff7b72#Tff7b72endif
Tff7b72#Tff7b72ifndef FLT_MAX_EXP
Tff7b72#Tff7b72define FLT_MAX_EXP (999)
Tff7b72#Tff7b72endif
Tff7b72#Tff7b72define _FTOA_TOO_LARGE -2 T8b949e// |input| > 2147483520
Tff7b72#Tff7b72define _FTOA_TOO_SMALL -1 T8b949e// |input| < 0.0000001
T8b949e//precision 0-9
Tff7b72#Tff7b72define PRECISION 7
T8b949e//_ftoa function
Tff7b72static Tffa657void Td2a8ff_ftoaTb4b4b4(Tffa657float Te6edf3fTb4b4b4, Tffa657char Tff7b72*Te6edf3pTb4b4b4, Tffa657int Tff7b72*Te6edf3statusTb4b4b4)
Tb4b4b4{
Tffa657int32_t Te6edf3mantissaTb4b4b4, Te6edf3int_partTb4b4b4, Te6edf3frac_partTb4b4b4;
Tffa657int16_t Te6edf3exp2Tb4b4b4;
Te6edf3int32_Float_t Te6edf3xTb4b4b4;
Tff7b72*Te6edf3status Tff7b72= T79c0ff0Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3f Tff7b72=Tff7b72= T79c0ff0.0Tb4b4b4)
Tb4b4b4{
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4;
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff.Ta5d6ff'Tb4b4b4;
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4;
Tff7b72*Te6edf3p Tff7b72= T79c0ff0Tb4b4b4;
Tff7b72returnTb4b4b4;
Tb4b4b4}
Te6edf3xTb4b4b4.Te6edf3Float Tff7b72= Te6edf3fTb4b4b4;
Te6edf3exp2 Tff7b72= Tb4b4b4(Tffa657unsigned Tffa657charTb4b4b4)Tb4b4b4(Te6edf3xTb4b4b4.Te6edf3LongTff7b72>Tff7b72>T79c0ff23Tb4b4b4) Tff7b72- T79c0ff127Tb4b4b4;
Te6edf3mantissa Tff7b72= Tb4b4b4(Te6edf3xTb4b4b4.Te6edf3LongTff7b72&T79c0ff0xFFFFFFTb4b4b4) Tff7b72| T79c0ff0x800000Tb4b4b4;
Te6edf3frac_part Tff7b72= T79c0ff0Tb4b4b4;
Te6edf3int_part Tff7b72= T79c0ff0Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3exp2 Tff7b72>Tff7b72= T79c0ff31Tb4b4b4)
Tb4b4b4{
Tff7b72*Te6edf3status Tff7b72= Te6edf3_FTOA_TOO_LARGETb4b4b4;
Tff7b72returnTb4b4b4;
Tb4b4b4}
Tff7b72else Tff7b72if Tb4b4b4(Te6edf3exp2 Tff7b72< T79c0ff-23Tb4b4b4)
Tb4b4b4{
Tff7b72*Te6edf3status Tff7b72= Te6edf3_FTOA_TOO_SMALLTb4b4b4;
Tff7b72returnTb4b4b4;
Tb4b4b4}
Tff7b72else Tff7b72if Tb4b4b4(Te6edf3exp2 Tff7b72>Tff7b72= T79c0ff23Tb4b4b4)
Tb4b4b4{
Te6edf3int_part Tff7b72= Te6edf3mantissaTff7b72<Tff7b72<Tb4b4b4(Te6edf3exp2 Tff7b72- T79c0ff23Tb4b4b4)Tb4b4b4;
Tb4b4b4}
Tff7b72else Tff7b72if Tb4b4b4(Te6edf3exp2 Tff7b72>Tff7b72= T79c0ff0Tb4b4b4)
Tb4b4b4{
Te6edf3int_part Tff7b72= Te6edf3mantissaTff7b72>Tff7b72>Tb4b4b4(T79c0ff23 Tff7b72- Te6edf3exp2Tb4b4b4)Tb4b4b4;
Te6edf3frac_part Tff7b72= Tb4b4b4(Te6edf3mantissaTff7b72<Tff7b72<Tb4b4b4(Te6edf3exp2 Tff7b72+ T79c0ff1Tb4b4b4)Tb4b4b4)Tff7b72&T79c0ff0xFFFFFFTb4b4b4;
Tb4b4b4}
Tff7b72else
Tb4b4b4{
T8b949e//if (exp2 < 0)
Te6edf3frac_part Tff7b72= Tb4b4b4(Te6edf3mantissaTff7b72&T79c0ff0xFFFFFFTb4b4b4)Tff7b72>Tff7b72>Tff7b72-Tb4b4b4(Te6edf3exp2 Tff7b72+ T79c0ff1Tb4b4b4)Tb4b4b4;
Tb4b4b4}
Tff7b72if Tb4b4b4(Te6edf3xTb4b4b4.Te6edf3Long Tff7b72< T79c0ff0Tb4b4b4)
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff-Ta5d6ff'Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3int_part Tff7b72=Tff7b72= T79c0ff0Tb4b4b4)
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4;
Tff7b72else
Tb4b4b4{
Te6edf3ltoaTb4b4b4(Te6edf3int_partTb4b4b4, Te6edf3pTb4b4b4, T79c0ff10Tb4b4b4)Tb4b4b4;
Tff7b72while Tb4b4b4(Tff7b72*Te6edf3pTb4b4b4)
Te6edf3pTff7b72+Tff7b72+Tb4b4b4;
Tb4b4b4}
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff.Ta5d6ff'Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3frac_part Tff7b72=Tff7b72= T79c0ff0Tb4b4b4)
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4;
Tff7b72else
Tb4b4b4{
Tffa657char Te6edf3mTb4b4b4;
Tff7b72for Tb4b4b4(Te6edf3mTff7b72=T79c0ff0Tb4b4b4; Te6edf3mTff7b72<Te6edf3PRECISIONTb4b4b4; Te6edf3mTff7b72+Tff7b72+Tb4b4b4)
Tb4b4b4{
T8b949e//frac_part *= 10;
Te6edf3frac_part Tff7b72= Tb4b4b4(Te6edf3frac_partTff7b72<Tff7b72<T79c0ff3Tb4b4b4) Tff7b72+ Tb4b4b4(Te6edf3frac_partTff7b72<Tff7b72<T79c0ff1Tb4b4b4)Tb4b4b4;
Tff7b72*Te6edf3pTff7b72+Tff7b72+ Tff7b72= Tb4b4b4(Te6edf3frac_partTff7b72>Tff7b72>T79c0ff24Tb4b4b4) Tff7b72+ Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4;
Te6edf3frac_part Tff7b72&Tff7b72= T79c0ff0xFFFFFFTb4b4b4;
Tb4b4b4}
T8b949e//delete ending zeroes
Tff7b72for Tb4b4b4(Tff7b72-Tff7b72-Te6edf3pTb4b4b4; Te6edf3pTb4b4b4[T79c0ff0Tb4b4b4] Tff7b72=Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff' Tff7b72&Tff7b72& Te6edf3pTb4b4b4[T79c0ff-1Tb4b4b4] Tff7b72!Tff7b72= Ta5d6ff'Ta5d6ff.Ta5d6ff'Tb4b4b4; Tff7b72-Tff7b72-Te6edf3pTb4b4b4)
Tb4b4b4;
Tff7b72+Tff7b72+Te6edf3pTb4b4b4;
Tb4b4b4}
Tff7b72*Te6edf3p Tff7b72= T79c0ff0Tb4b4b4;
Tb4b4b4}

Tff7b72const Tffa657charTff7b72* Td2a8ffStrHelper::ftoaTb4b4b4(Tffa657float Te6edf3fTb4b4b4) Tb4b4b4{
Tff7b72static Tffa657char Te6edf3tmpTb4b4b4[T79c0ff16Tb4b4b4]Tb4b4b4;
Tffa657int Te6edf3statusTb4b4b4;
Te6edf3_ftoaTb4b4b4(Te6edf3fTb4b4b4, Te6edf3tmpTb4b4b4, Tff7b72&Te6edf3statusTb4b4b4)Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3statusTb4b4b4) Tb4b4b4{
Te6edf3tmpTb4b4b4[T79c0ff0Tb4b4b4] Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4; T8b949e// fallback/error value
Te6edf3tmpTb4b4b4[T79c0ff1Tb4b4b4] Tff7b72= T79c0ff0Tb4b4b4;
Tb4b4b4}
Tff7b72return Te6edf3tmpTb4b4b4;
Tb4b4b4}

Tff7b72const Tffa657charTff7b72* Td2a8ffStrHelper::ftoa3Tb4b4b4(Tffa657float Te6edf3fTb4b4b4) Tb4b4b4{
Tff7b72static Tffa657char Te6edf3sTb4b4b4[T79c0ff16Tb4b4b4]Tb4b4b4;
Tffa657int Te6edf3v Tff7b72= Tb4b4b4(Tffa657intTb4b4b4)Tb4b4b4(Te6edf3f Tff7b72* T79c0ff1000.0f Tff7b72+ Tb4b4b4(Te6edf3f Tff7b72>Tff7b72= T79c0ff0 Tff7b72? T79c0ff0.5f Tff7b72: T79c0ff-0.5fTb4b4b4)Tb4b4b4)Tb4b4b4; T8b949e// rounded ×1000
Tffa657int Te6edf3w Tff7b72= Te6edf3v Tff7b72/ T79c0ff1000Tb4b4b4; T8b949e// whole
Tffa657int Te6edf3d Tff7b72= Te6edf3absTb4b4b4(Te6edf3v Tff7b72% T79c0ff1000Tb4b4b4)Tb4b4b4; T8b949e// decimals
Te6edf3snprintfTb4b4b4(Te6edf3sTb4b4b4, Tff7b72sizeofTb4b4b4(Te6edf3sTb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ff%d.%03dTa5d6ff"Tb4b4b4, Te6edf3wTb4b4b4, Te6edf3dTb4b4b4)Tb4b4b4;
Tff7b72for Tb4b4b4(Tffa657int Te6edf3i Tff7b72= Te6edf3strlenTb4b4b4(Te6edf3sTb4b4b4) Tff7b72- T79c0ff1Tb4b4b4; Te6edf3i Tff7b72> T79c0ff0 Tff7b72&Tff7b72& Te6edf3sTb4b4b4[Te6edf3iTb4b4b4] Tff7b72=Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4; Te6edf3iTff7b72-Tff7b72-Tb4b4b4)
Te6edf3sTb4b4b4[Te6edf3iTb4b4b4] Tff7b72= T79c0ff0Tb4b4b4;
Tffa657int Te6edf3L Tff7b72= Te6edf3strlenTb4b4b4(Te6edf3sTb4b4b4)Tb4b4b4;
Tff7b72if Tb4b4b4(Te6edf3sTb4b4b4[Te6edf3L Tff7b72- T79c0ff1Tb4b4b4] Tff7b72=Tff7b72= Ta5d6ff'Ta5d6ff.Ta5d6ff'Tb4b4b4) Te6edf3sTb4b4b4[Te6edf3L Tff7b72- T79c0ff1Tb4b4b4] Tff7b72= T79c0ff0Tb4b4b4;
Tff7b72return Te6edf3sTb4b4b4;
Tb4b4b4}

Tffa657uint32_t Td2a8ffStrHelper::fromHexTb4b4b4(Tff7b72const Tffa657charTff7b72* Te6edf3srcTb4b4b4) Tb4b4b4{
Tffa657uint32_t Te6edf3n Tff7b72= T79c0ff0Tb4b4b4;
Tff7b72while Tb4b4b4(Tff7b72*Te6edf3srcTb4b4b4) Tb4b4b4{
Tff7b72if Tb4b4b4(Tff7b72*Te6edf3src Tff7b72>Tff7b72= Ta5d6ff'Ta5d6ff0Ta5d6ff' Tff7b72&Tff7b72& Tff7b72*Te6edf3src Tff7b72<Tff7b72= Ta5d6ff'Ta5d6ff9Ta5d6ff'Tb4b4b4) Tb4b4b4{
Te6edf3n Tff7b72<Tff7b72<Tff7b72= T79c0ff4Tb4b4b4;
Te6edf3n Tff7b72|Tff7b72= Tb4b4b4(Tff7b72*Te6edf3src Tff7b72- Ta5d6ff'Ta5d6ff0Ta5d6ff'Tb4b4b4)Tb4b4b4;
Tb4b4b4} Tff7b72else Tff7b72if Tb4b4b4(Tff7b72*Te6edf3src Tff7b72>Tff7b72= Ta5d6ff'Ta5d6ffATa5d6ff' Tff7b72&Tff7b72& Tff7b72*Te6edf3src Tff7b72<Tff7b72= Ta5d6ff'Ta5d6ffFTa5d6ff'Tb4b4b4) Tb4b4b4{
Te6edf3n Tff7b72<Tff7b72<Tff7b72= T79c0ff4Tb4b4b4;
Te6edf3n Tff7b72|Tff7b72= Tb4b4b4(Tff7b72*Te6edf3src Tff7b72- Ta5d6ff'Ta5d6ffATa5d6ff' Tff7b72+ T79c0ff10Tb4b4b4)Tb4b4b4;
Tb4b4b4} Tff7b72else Tff7b72if Tb4b4b4(Tff7b72*Te6edf3src Tff7b72>Tff7b72= Ta5d6ff'Ta5d6ffaTa5d6ff' Tff7b72&Tff7b72& Tff7b72*Te6edf3src Tff7b72<Tff7b72= Ta5d6ff'Ta5d6fffTa5d6ff'Tb4b4b4) Tb4b4b4{
Te6edf3n Tff7b72<Tff7b72<Tff7b72= T79c0ff4Tb4b4b4;
Te6edf3n Tff7b72|Tff7b72= Tb4b4b4(Tff7b72*Te6edf3src Tff7b72- Ta5d6ff'Ta5d6ffaTa5d6ff' Tff7b72+ T79c0ff10Tb4b4b4)Tb4b4b4;
Tb4b4b4} Tff7b72else Tb4b4b4{
Tff7b72breakTb4b4b4; T8b949e// non-hex char encountered, stop parsing
Tb4b4b4}
Te6edf3srcTff7b72+Tff7b72+Tb4b4b4;
Tb4b4b4}
Tff7b72return Te6edf3nTb4b4b4;
Tb4b4b4}

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