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Fix SD read in CRC calculation #1149

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Merged
sanni merged 1 commit into from
Dec 23, 2025
+2 −2
Merged

Fix SD read in CRC calculation #1149

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4 changes: 2 additions & 2 deletions Cart_Reader/Cart_Reader.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -419,10 +419,10 @@ uint32_t calculateCRC(const byte* buffer, size_t length) {
}

uint32_t calculateCRC(FsFile& infile) {
uint32_t byte_count;
int32_t byte_count;
uint32_t crc = 0xFFFFFFFF;

while ((byte_count = infile.read(sdBuffer, sizeof(sdBuffer))) != 0) {
while ((byte_count = infile.read(sdBuffer, sizeof(sdBuffer))) > 0) {
crc = updateCRC(sdBuffer, byte_count, crc);
}
return ~crc;
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