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Diffstat (limited to 'CAN-binder/libs/bitfield-c/src/bitfield/bitfield.c')
-rw-r--r--CAN-binder/libs/bitfield-c/src/bitfield/bitfield.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/CAN-binder/libs/bitfield-c/src/bitfield/bitfield.c b/CAN-binder/libs/bitfield-c/src/bitfield/bitfield.c
deleted file mode 100644
index 795f020..0000000
--- a/CAN-binder/libs/bitfield-c/src/bitfield/bitfield.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include <bitfield/bitfield.h>
-#include <limits.h>
-#include <string.h>
-#include <stddef.h>
-#include <sys/param.h>
-
-uint64_t bitmask(const uint8_t bit_count) {
- return (((uint64_t)0x1) << bit_count) - 1;
-}
-
-uint8_t get_nibble(const uint8_t source[], const uint8_t source_length,
- const uint8_t nibble_index) {
- uint8_t byte_index = nibble_index / 2;
- uint8_t result = get_byte(source, source_length, byte_index);
- if(nibble_index % 2 == 0) {
- result >>= NIBBLE_SIZE;
- }
- result &= bitmask(NIBBLE_SIZE);
- return result;
-}
-
-uint8_t get_byte(const uint8_t source[], const uint8_t source_length,
- const uint8_t byte_index) {
- if(byte_index < source_length) {
- return source[byte_index];
- }
- return 0;
-}
-
-uint64_t get_bitfield(const uint8_t source[], const uint8_t source_length,
- const uint16_t offset, const uint16_t bit_count) {
- if(bit_count > 64 || bit_count < 1) {
- // TODO error reporting?
- return 0;
- }
-
- ArrayOrBytes combined;
- memset(combined.bytes, 0, sizeof(combined.bytes));
- if(copy_bits_right_aligned(source, source_length, offset, bit_count,
- combined.bytes, sizeof(combined.bytes))) {
- if(BYTE_ORDER == LITTLE_ENDIAN) {
- combined.whole = __builtin_bswap64(combined.whole);
- }
- } else {
- // debug("couldn't copy enough bits from source")
- }
- return combined.whole;
-}
-
-bool set_nibble(const uint16_t nibble_index, const uint8_t value,
- uint8_t* destination, const uint16_t destination_length) {
- return copy_bits(&value, CHAR_BIT, NIBBLE_SIZE, NIBBLE_SIZE, destination,
- destination_length, nibble_index * NIBBLE_SIZE);
-}
-
-bool set_bitfield(const uint64_t value, const uint16_t offset,
- const uint16_t bit_count, uint8_t destination[],
- uint16_t destination_length) {
- if(value > bitmask(bit_count)) {
- return false;
- }
-
- ArrayOrBytes combined = {
- whole: value
- };
-
- if(BYTE_ORDER == LITTLE_ENDIAN) {
- combined.whole = __builtin_bswap64(combined.whole);
- }
-
- return copy_bits(combined.bytes, sizeof(combined.bytes),
- sizeof(combined.bytes) * CHAR_BIT - bit_count, bit_count,
- destination, destination_length, offset);
-}