-#include "write.h"
+#include <canutil/write.h>
#include <bitfield/bitfield.h>
+#include <bitfield/8byte.h>
-uint64_t bitfield_encode_float(float value, uint8_t bit_offset, uint8_t bit_size,
+uint64_t eightbyte_encode_float(float value, uint8_t bit_offset, uint8_t bit_size,
float factor, float offset) {
float raw = (value - offset) / factor;
if(raw > 0) {
// round up to avoid losing precision when we cast to an int
+ // TODO do we need a way to encode an int back to a signal without any
+ // rounding?
raw += 0.5;
}
uint64_t result = 0;
- set_bit_field(&result, (uint64_t)raw, bit_offset, bit_size);
+ if(!set_bit_field(&result, (uint64_t)raw, bit_offset, bit_size)) {
+ // debug("%f will not fit in a %d bit field", value, bit_size);
+ }
return result;
}
-uint64_t bitfield_encode_bool(bool value, uint8_t bit_offset, uint8_t bit_size,
- float factor, float offset) {
- return bitfield_encode_float(value, offset, factor, bit_offset, bit_size);
+uint64_t eightbyte_encode_bool(const bool value, const uint8_t bit_offset,
+ const uint8_t bit_size) {
+ return eightbyte_encode_float(value, bit_offset, bit_size, 1.0, 0);
+}
+
+bool bitfield_encode_float(float value, uint8_t bit_offset,
+ uint8_t bit_size, float factor, float offset, uint8_t destination[]) {
+ // TODO
+ return 0;
}