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Merge pull request #17366 from mnowa/development 

Update xsns_53_sml.ino to use maximum bytes count for binary modbus CRC calculation in relation to SML_BSIZ value
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Theo Arends 2022-12-12 17:54:32 +01:00 committed by GitHub
parent 630987302a 370debc0e2
commit 9898cb0bed
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1 changed files with 1 additions and 1 deletions
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tasmota/tasmota_xsns_sensor/xsns_53_sml.ino
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@ -2376,7 +2376,7 @@ void SML_Decode(uint8_t index) {
mp++; mp++;
} else { } else {
uint16_t pos = smltbuf[mindex][2] + 3; uint16_t pos = smltbuf[mindex][2] + 3;
if (pos > 32) pos = 32; if (pos > (SML_BSIZ-2)) pos = SML_BSIZ-2;
uint16_t crc = MBUS_calculateCRC(&smltbuf[mindex][0], pos, 0xFFFF); uint16_t crc = MBUS_calculateCRC(&smltbuf[mindex][0], pos, 0xFFFF);
if (lowByte(crc) != smltbuf[mindex][pos]) goto nextsect; if (lowByte(crc) != smltbuf[mindex][pos]) goto nextsect;
if (highByte(crc) != smltbuf[mindex][pos + 1]) goto nextsect; if (highByte(crc) != smltbuf[mindex][pos + 1]) goto nextsect;