1 #include <canutil/read.h>
2 #include <bitfield/bitfield.h>
3 #include <bitfield/8byte.h>
5 float eightbyte_parse_float(uint64_t data, uint8_t bit_offset, uint8_t bit_size,
6 float factor, float offset) {
7 uint64_t raw = eightbyte_get_bitfield(data, bit_offset, bit_size, true);
8 return raw * factor + offset;
11 bool eightbyte_parse_bool(uint64_t data, uint8_t bit_offset, uint8_t bit_size,
12 float factor, float offset) {
13 float value = eightbyte_parse_float(data, bit_offset, bit_size, factor, offset);
14 return value == 0.0 ? false : true;
17 float bitfield_parse_float(const uint8_t source[], const uint16_t source_length,
18 const uint8_t bit_offset, const uint8_t bit_size, const float factor,
20 uint64_t raw = get_bitfield(source, source_length, bit_offset, bit_size);
21 // TODO seems dumb that this is repeated from eightbyte_parse_float - is it
22 // really worth keeping around these two implementations?
23 return raw * factor + offset;
26 bool bitfield_parse_bool(const uint8_t source[], const uint16_t source_length,
27 const uint8_t bit_offset, const uint8_t bit_size, const float factor,
29 float value = bitfield_parse_float(source, source_length, bit_offset,
30 bit_size, factor, offset);
31 return value == 0.0 ? false : true;