mohr/fsfw
1
0
Fork 0
forked from fsfw/fsfw
Code Pull Requests Activity

Today's the day. Renamed platform to framework.

Browse Source
This commit is contained in:
Bastian Baetz
2016-06-15 23:48:41 +02:00
committed by Ulrich Mohr
parent 40987d0b27
commit 1d22a6c97e
356 changed files with 33946 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

106
globalfunctions/conversion.cpp Normal file
View File

@ -0,0 +1,106 @@
/*
* conversion.cpp
*
* Created on: 07.05.2012
* Author: baetz
*/
#include <framework/globalfunctions/conversion.h>
//TODO: This shall be optimized (later)!
void convertToByteStream( uint16_t value, uint8_t* buffer, uint32_t* size ) {
buffer[0] = (value & 0xFF00) >> 8;
buffer[1] = (value & 0x00FF);
*size += 2;
}
void convertToByteStream( uint32_t value, uint8_t* buffer, uint32_t* size ) {
buffer[0] = (value & 0xFF000000) >> 24;
buffer[1] = (value & 0x00FF0000) >> 16;
buffer[2] = (value & 0x0000FF00) >> 8;
buffer[3] = (value & 0x000000FF);
*size +=4;
}
void convertToByteStream( int16_t value, uint8_t* buffer, uint32_t* size ) {
buffer[0] = (value & 0xFF00) >> 8;
buffer[1] = (value & 0x00FF);
*size += 2;
}
void convertToByteStream( int32_t value, uint8_t* buffer, uint32_t* size ) {
buffer[0] = (value & 0xFF000000) >> 24;
buffer[1] = (value & 0x00FF0000) >> 16;
buffer[2] = (value & 0x0000FF00) >> 8;
buffer[3] = (value & 0x000000FF);
*size += 4;
}
//void convertToByteStream( uint64_t value, uint8_t* buffer, uint32_t* size ) {
// buffer[0] = (value & 0xFF00000000000000) >> 56;
// buffer[1] = (value & 0x00FF000000000000) >> 48;
// buffer[2] = (value & 0x0000FF0000000000) >> 40;
// buffer[3] = (value & 0x000000FF00000000) >> 32;
// buffer[4] = (value & 0x00000000FF000000) >> 24;
// buffer[5] = (value & 0x0000000000FF0000) >> 16;
// buffer[6] = (value & 0x000000000000FF00) >> 8;
// buffer[7] = (value & 0x00000000000000FF);
// *size+=8;
//}
//
//void convertToByteStream( int64_t value, uint8_t* buffer, uint32_t* size ) {
// buffer[0] = (value & 0xFF00000000000000) >> 56;
// buffer[1] = (value & 0x00FF000000000000) >> 48;
// buffer[2] = (value & 0x0000FF0000000000) >> 40;
// buffer[3] = (value & 0x000000FF00000000) >> 32;
// buffer[4] = (value & 0x00000000FF000000) >> 24;
// buffer[5] = (value & 0x0000000000FF0000) >> 16;
// buffer[6] = (value & 0x000000000000FF00) >> 8;
// buffer[7] = (value & 0x00000000000000FF);
// *size+=8;
//}
void convertToByteStream( float in_value, uint8_t* buffer, uint32_t* size ) {
#ifndef BYTE_ORDER
#error BYTE_ORDER not defined
#elif BYTE_ORDER == LITTLE_ENDIAN
union float_union {
float value;
uint8_t chars[4];
};
float_union temp;
temp.value = in_value;
buffer[0] = temp.chars[3];
buffer[1] = temp.chars[2];
buffer[2] = temp.chars[1];
buffer[3] = temp.chars[0];
*size += 4;
#elif BYTE_ORDER == BIG_ENDIAN
memcpy(buffer, &in_value, sizeof(in_value));
*size += sizeof(in_value);
#endif
}
void convertToByteStream( double in_value, uint8_t* buffer, uint32_t* size ) {
#ifndef BYTE_ORDER
#error Endianess not defined
#elif BYTE_ORDER == LITTLE_ENDIAN
union double_union {
double value;
uint8_t chars[8];
};
double_union temp;
temp.value = in_value;
buffer[0] = temp.chars[7];
buffer[1] = temp.chars[6];
buffer[2] = temp.chars[5];
buffer[3] = temp.chars[4];
buffer[4] = temp.chars[3];
buffer[5] = temp.chars[2];
buffer[6] = temp.chars[1];
buffer[7] = temp.chars[0];
*size += 8;
#elif BYTE_ORDER == BIG_ENDIAN
memcpy(buffer, &in_value, sizeof(in_value));
*size += sizeof(in_value);
#endif
}