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[rd03d] Revert incorrect field order swap (#13769)

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Co-authored-by: jas <jas@asspa.in>
This commit is contained in:
Jas Strong
2026-02-05 00:06:52 -08:00
committed by GitHub
parent c27870b15d
commit 7bd8b08e16
1 changed files with 5 additions and 8 deletions
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13
esphome/components/rd03d/rd03d.cpp
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@@ -132,18 +132,15 @@ void RD03DComponent::process_frame_() {
// Header is 4 bytes, each target is 8 bytes
uint8_t offset = FRAME_HEADER_SIZE + (i * TARGET_DATA_SIZE);
// Extract raw bytes for this target
// Note: Despite datasheet Table 5-2 showing order as X, Y, Speed, Resolution,
// actual radar output has Resolution before Speed (verified empirically -
// stationary targets were showing non-zero speed with original field order)
// Extract raw bytes for this target (per datasheet Table 5-2: X, Y, Speed, Resolution)
uint8_t x_low = this->buffer_[offset + 0];
uint8_t x_high = this->buffer_[offset + 1];
uint8_t y_low = this->buffer_[offset + 2];
uint8_t y_high = this->buffer_[offset + 3];
uint8_t res_low = this->buffer_[offset + 4];
uint8_t res_high = this->buffer_[offset + 5];
uint8_t speed_low = this->buffer_[offset + 6];
uint8_t speed_high = this->buffer_[offset + 7];
uint8_t speed_low = this->buffer_[offset + 4];
uint8_t speed_high = this->buffer_[offset + 5];
uint8_t res_low = this->buffer_[offset + 6];
uint8_t res_high = this->buffer_[offset + 7];
// Decode values per RD-03D format
int16_t x = decode_value(x_low, x_high);