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prjpeppercorn
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Disable crc bytes if set to "unused"

This commit is contained in:
Patrick Urban 2025-07-08 16:29:32 +02:00
parent 2bb81624b1
commit 10d7958f2e
1 changed files with 7 additions and 0 deletions
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7
libgm/src/Bitstream.cpp
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@ -114,8 +114,10 @@ class BitstreamReadWriter
std::vector<uint8_t> data;
std::vector<uint8_t>::iterator iter;
bool crc_unused = false;
Crc16 crc16;
// Return a single byte and update CRC
inline uint8_t get_byte()
{
@ -240,6 +242,8 @@ class BitstreamReadWriter
// Insert the calculated CRC16 into the bitstream
void insert_crc16()
{
if (crc_unused)
return;
uint16_t actual_crc = crc16.get_crc16();
write_byte(uint8_t((actual_crc) & 0xFF));
write_byte(uint8_t((actual_crc >> 8) & 0xFF));
@ -290,6 +294,9 @@ class BitstreamReadWriter
}
insert_crc16();
write_nops(4);
if (crcmode == 0x02) {
crc_unused = true;
}
}
void write_cmd_spll(uint8_t data)