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Fixes sml parser to process extended length lists with a number of items that is dividable by 16 (#6148)

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irgendwienet 2024-07-22 01:42:09 +02:00 committed by GitHub
parent f322ec8f3d
commit a464e46d4d
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1 changed files with 4 additions and 2 deletions
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6
esphome/components/sml/sml_parser.cpp
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@ -27,7 +27,7 @@ bool SmlFile::setup_node(SmlNode *node) {
uint8_t parse_length = length;
if (has_extended_length) {
length = (length << 4) + (this->buffer_[this->pos_ + 1] & 0x0f);
parse_length = length - 1;
parse_length = length;
this->pos_ += 1;
}
@ -37,7 +37,9 @@ bool SmlFile::setup_node(SmlNode *node) {
node->type = type & 0x07;
node->nodes.clear();
node->value_bytes.clear();
if (this->buffer_[this->pos_] == 0x00) { // end of message
// if the list is a has_extended_length list with e.g. 16 elements this is a 0x00 byte but not the end of message
if (!has_extended_length && this->buffer_[this->pos_] == 0x00) { // end of message
this->pos_ += 1;
} else if (is_list) { // list
this->pos_ += 1;