blob: 028b03a6b3ef37b8cdae0538c5eb821c9475dd53 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#ifndef __READ_H__
#define __READ_H__
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Public: Parse a CAN signal from a message and apply required transformation.
*
* signal - The details of the signal to decode and forward.
* data - The raw bytes of the CAN message that contains the signal, assumed
* to be in big-endian byte order from CAN.
*
* Returns the final, transformed value of the signal.
*/
float bitfield_parse_float(uint64_t data, uint8_t bit_offset, uint8_t bit_size,
float factor, float offset);
/* Public: Parse a CAN signal from a message and interpret it as a boolean.
*
* signal - The details of the signal to decode and forward.
* data - The raw bytes of the CAN message that contains the signal, assumed
* to be in big-endian byte order from CAN.
*
* Returns false if the value was 0, otherwise true.
*/
bool bitfield_parse_bool(uint64_t data, uint8_t bit_offset, uint8_t bit_size,
float factor, float offset);
#ifdef __cplusplus
}
#endif
#endif // __READ_H__
|