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fix a01nyub data reading (#5882)
Co-authored-by: Samuel Sieb <samuel@sieb.net>
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parent
e271faa544
commit
29dcc4031f
1 changed files with 18 additions and 31 deletions
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@ -8,31 +8,23 @@ namespace esphome {
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namespace a01nyub {
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static const char *const TAG = "a01nyub.sensor";
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static const uint8_t MAX_DATA_LENGTH_BYTES = 4;
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void A01nyubComponent::loop() {
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uint8_t data;
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while (this->available() > 0) {
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if (this->read_byte(&data)) {
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this->read_byte(&data);
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if (this->buffer_.empty() && (data != 0xff))
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continue;
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buffer_.push_back(data);
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if (this->buffer_.size() == 4)
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this->check_buffer_();
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}
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}
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}
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void A01nyubComponent::check_buffer_() {
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if (this->buffer_.size() >= MAX_DATA_LENGTH_BYTES) {
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size_t i;
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for (i = 0; i < this->buffer_.size(); i++) {
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// Look for the first packet
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if (this->buffer_[i] == 0xFF) {
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if (i + 1 + 3 < this->buffer_.size()) { // Packet is not complete
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return; // Wait for completion
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}
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uint8_t checksum = (this->buffer_[i] + this->buffer_[i + 1] + this->buffer_[i + 2]) & 0xFF;
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if (this->buffer_[i + 3] == checksum) {
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float distance = (this->buffer_[i + 1] << 8) + this->buffer_[i + 2];
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uint8_t checksum = this->buffer_[0] + this->buffer_[1] + this->buffer_[2];
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if (this->buffer_[3] == checksum) {
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float distance = (this->buffer_[1] << 8) + this->buffer_[2];
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if (distance > 280) {
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float meters = distance / 1000.0;
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ESP_LOGV(TAG, "Distance from sensor: %f mm, %f m", distance, meters);
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@ -40,18 +32,13 @@ void A01nyubComponent::check_buffer_() {
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} else {
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ESP_LOGW(TAG, "Invalid data read from sensor: %s", format_hex_pretty(this->buffer_).c_str());
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}
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}
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break;
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}
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} else {
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ESP_LOGW(TAG, "checksum failed: %02x != %02x", checksum, this->buffer_[3]);
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}
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this->buffer_.clear();
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}
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}
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void A01nyubComponent::dump_config() {
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ESP_LOGCONFIG(TAG, "A01nyub Sensor:");
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LOG_SENSOR(" ", "Distance", this);
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}
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void A01nyubComponent::dump_config() { LOG_SENSOR("", "A01nyub Sensor", this); }
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} // namespace a01nyub
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} // namespace esphome
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