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#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.
*
* source - the payload containing the signal.
* bit_offset - the starting bit for the signal.
* bit_size - the width of the signal.
* factor - the transformation factor for the signal value, applied after
* pulling out the bit field. Use 1.0 for no factor.
* offset - the transformation offset for the signal value, applied after
* pulling out the bit field. Use 0 for no offset.
*
* Returns the decoded and transformed value of the signal.
*/
float eightbyte_parse_float(const uint64_t source, const unsigned int bit_offset,
const unsigned int bit_size, const float factor, const float offset);
/* Public: Parse a CAN signal from a message storage as a byte array and apply
* required transformation.
*
* source - the payload containing the signal.
* source_size - the size of the payload in bytes.
* bit_offset - the starting bit for the signal.
* bit_size - the width of the signal.
* factor - the transformation factor for the signal value, applied after
* pulling out the bit field. Use 1.0 for no factor.
* offset - the transformation offset for the signal value, applied after
* pulling out the bit field. Use 0 for no offset.
*
* Returns the decoded and transformed value of the signal.
*/
float bitfield_parse_float(const uint8_t source[], const unsigned int source_size,
const unsigned int bit_offset, const unsigned int bit_size, const float factor,
const float offset);
/* Public: Parse a CAN signal from a message and interpret it as a boolean.
*
* source - the payload containing the signal.
* bit_offset - the starting bit for the signal.
* bit_size - the width of the signal.
* factor - the transformation factor for the signal value, applied after
* pulling out the bit field. Use 1.0 for no factor.
* offset - the transformation offset for the signal value, applied after
* pulling out the bit field. Use 0 for no offset.
*
* Returns false if the value was 0, otherwise true.
*/
bool eightbyte_parse_bool(uint64_t source, unsigned int bit_offset, unsigned int bit_size,
float factor, float offset);
/* Public: Parse a CAN signal from a message storage as a byte array and
* interpret it as a boolean.
*
* source - the payload containing the signal.
* source_size - the size of the payload in bytes.
* bit_offset - the starting bit for the signal.
* bit_size - the width of the signal.
* factor - the transformation factor for the signal value, applied after
* pulling out the bit field. Use 1.0 for no factor.
* offset - the transformation offset for the signal value, applied after
* pulling out the bit field. Use 0 for no offset.
*
* Returns false if the value was 0, otherwise true.
*/
bool bitfield_parse_bool(const uint8_t source[], const unsigned int source_size,
const unsigned int bit_offset, const unsigned int bit_size, const float factor,
const float offset);
#ifdef __cplusplus
}
#endif
#endif // __READ_H__
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