// scaleddecode.c was generated by ProtoGen version 3.2.a /* * This file is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see . * * Author: Oliver Walters / Currawong Engineering Pty Ltd */ #include "scaleddecode.h" #include "fielddecode.h" /*! * Compute a float using inverse floating point scaling from the base integer * type used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param invscaler is multiplied by the integer to create the return value. * invscaler should be the inverse of the scaler given to the scaling function. * \return the correctly scaled decoded value: return = min + value*invscaler. */ float float32ScaledFromBitfield(unsigned int value, float min, float invscaler) { return (float)(min + invscaler*value); } /*! * Decode a float from a byte stream by inverse floating point scaling from 4 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom4UnsignedBeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint32FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 4 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom4UnsignedLeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint32FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 4 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom4SignedBeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int32FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 4 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom4SignedLeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int32FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 3 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom3UnsignedBeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint24FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 3 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom3UnsignedLeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint24FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 3 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom3SignedBeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int24FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 3 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom3SignedLeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int24FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 2 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom2UnsignedBeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint16FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 2 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom2UnsignedLeBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint16FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 2 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom2SignedBeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int16FromBeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 2 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom2SignedLeBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int16FromLeBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = encoded*invscaler. */ float float32ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, float min, float invscaler) { return (float)(min + invscaler*uint8FromBytes(bytes, index)); } /*! * Decode a float from a byte stream by inverse floating point scaling from 1 * signed byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param invscaler is multiplied by the decoded integer to create the return value. * invscaler should be the inverse of the scaler given to the encode function. * \return the correctly scaled decoded value: return = min + encoded*invscaler. */ float float32ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, float invscaler) { return (float)(invscaler*int8FromBytes(bytes, index)); } /*! * Compute a uint32_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFromBitfield(unsigned int value, int32_t min, uint32_t divisor) { return (uint32_t)(min + value/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 4 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom4UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint32FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 4 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom4UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint32FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 4 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom4SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int32FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 4 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom4SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int32FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 3 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom3UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint24FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 3 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom3UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint24FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 3 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom3SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int24FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 3 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom3SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int24FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom2UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint16FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom2UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint16FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 2 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom2SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int16FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 2 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom2SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int16FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint32_t uint32ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (uint32_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a uint32_t from a byte stream by inverse integer scaling from 1 * signed byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint32_t uint32ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (uint32_t)(int8FromBytes(bytes, index)/divisor); } /*! * Compute a int32_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFromBitfield(unsigned int value, int32_t min, uint32_t divisor) { return (int32_t)(min + value/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 4 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom4UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint32FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 4 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom4UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint32FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 4 signed * bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom4SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int32FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 4 signed * bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 4 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom4SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int32FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 3 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom3UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint24FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 3 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom3UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint24FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 3 signed * bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom3SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int24FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 3 signed * bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 3 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom3SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int24FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom2UnsignedBeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint16FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom2UnsignedLeBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint16FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 2 signed * bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom2SignedBeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int16FromBeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 2 signed * bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom2SignedLeBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int16FromLeBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int32_t int32ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int32_t min, uint32_t divisor) { return (int32_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a int32_t from a byte stream by inverse integer scaling from 1 signed * byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int32_t int32ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint32_t divisor) { return (int32_t)(int8FromBytes(bytes, index)/divisor); } /*! * Compute a uint16_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint16_t uint16ScaledFromBitfield(unsigned int value, int16_t min, uint16_t divisor) { return (uint16_t)(min + value/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint16_t uint16ScaledFrom2UnsignedBeBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (uint16_t)(min + uint16FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint16_t uint16ScaledFrom2UnsignedLeBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (uint16_t)(min + uint16FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 2 * signed bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint16_t uint16ScaledFrom2SignedBeBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (uint16_t)(int16FromBeBytes(bytes, index)/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 2 * signed bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint16_t uint16ScaledFrom2SignedLeBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (uint16_t)(int16FromLeBytes(bytes, index)/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint16_t uint16ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (uint16_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a uint16_t from a byte stream by inverse integer scaling from 1 * signed byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint16_t uint16ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (uint16_t)(int8FromBytes(bytes, index)/divisor); } /*! * Compute a int16_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int16_t int16ScaledFromBitfield(unsigned int value, int16_t min, uint16_t divisor) { return (int16_t)(min + value/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int16_t int16ScaledFrom2UnsignedBeBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (int16_t)(min + uint16FromBeBytes(bytes, index)/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 2 * unsigned bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int16_t int16ScaledFrom2UnsignedLeBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (int16_t)(min + uint16FromLeBytes(bytes, index)/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 2 signed * bytes in big endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int16_t int16ScaledFrom2SignedBeBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (int16_t)(int16FromBeBytes(bytes, index)/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 2 signed * bytes in little endian order. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 2 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int16_t int16ScaledFrom2SignedLeBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (int16_t)(int16FromLeBytes(bytes, index)/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int16_t int16ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int16_t min, uint16_t divisor) { return (int16_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a int16_t from a byte stream by inverse integer scaling from 1 signed * byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int16_t int16ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint16_t divisor) { return (int16_t)(int8FromBytes(bytes, index)/divisor); } /*! * Compute a uint8_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint8_t uint8ScaledFromBitfield(unsigned int value, int8_t min, uint8_t divisor) { return (uint8_t)(min + value/divisor); } /*! * Decode a uint8_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ uint8_t uint8ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int8_t min, uint8_t divisor) { return (uint8_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a uint8_t from a byte stream by inverse integer scaling from 1 signed * byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ uint8_t uint8ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint8_t divisor) { return (uint8_t)(int8FromBytes(bytes, index)/divisor); } /*! * Compute a int8_t using inverse integer scaling from the base integer type * used for bitfields. * \param value is the integer bitfield number to inverse scale * \param min is the minimum value that can be represented. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int8_t int8ScaledFromBitfield(unsigned int value, int8_t min, uint8_t divisor) { return (int8_t)(min + value/divisor); } /*! * Decode a int8_t from a byte stream by inverse integer scaling from 1 * unsigned byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param min is the minimum value that can be decoded. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = min + encoded/divisor. */ int8_t int8ScaledFrom1UnsignedBytes(const uint8_t* bytes, int* index, int8_t min, uint8_t divisor) { return (int8_t)(min + uint8FromBytes(bytes, index)/divisor); } /*! * Decode a int8_t from a byte stream by inverse integer scaling from 1 signed * byte. * \param bytes is a pointer to the byte stream to decode. * \param index gives the location of the first byte in the byte stream, and * will be incremented by 1 when this function is complete. * \param divisor is divided into the encoded integer to create the return value. * \return the correctly scaled decoded value: return = encoded/divisor. */ int8_t int8ScaledFrom1SignedBytes(const uint8_t* bytes, int* index, uint8_t divisor) { return (int8_t)(int8FromBytes(bytes, index)/divisor); } // end of scaleddecode.c