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Code Issues Wiki Activity

remove redundant functions, comments, correct function names, optimize the encoder a little bit

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This commit is contained in:
kuba
2025-05-30 13:31:15 +02:00
parent 86235ad391
commit 37282a7bf2
6 changed files with 80 additions and 110 deletions
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src/lib.c
+3 -6
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@@ -14,7 +14,6 @@ int _strnlen(const char *s, int maxlen) {
return len;
}
// For RDS2 RFT, file error checking, and UECP
uint16_t crc16_ccitt(char* data, uint16_t len) {
uint16_t i, crc=0xFFFF;
for (i=0; i < len; i++ ) {
@@ -27,7 +26,7 @@ uint16_t crc16_ccitt(char* data, uint16_t len) {
return ((crc ^= 0xFFFF) & 0xFFFF);
}
uint16_t get_block_grom_group(RDSGroup *group, uint8_t block) {
uint16_t get_block_from_group(RDSGroup *group, uint8_t block) {
switch (block) {
case 0: return group->a;
case 1: return group->b;
@@ -53,7 +52,7 @@ void add_checkwords(RDSGroup *group, uint8_t *bits)
offset_word = offset_words[i];
if (i == 2 && group->is_type_b) offset_word = offset_words[4];
uint16_t block = get_block_grom_group(group, i);
uint16_t block = get_block_from_group(group, i);
uint16_t block_crc = 0;
uint8_t j, bit, msb;
@@ -65,9 +64,7 @@ void add_checkwords(RDSGroup *group, uint8_t *bits)
*bits++ = bit;
}
uint16_t check = block_crc ^ offset_word;
for (j = 0; j < POLY_DEG; j++) {
*bits++ = (check & ((1 << (POLY_DEG - 1)) >> j)) != 0;
}
for (j = 0; j < POLY_DEG; j++) *bits++ = (check & ((1 << (POLY_DEG - 1)) >> j)) != 0;
}
}