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[ld2410] Remove redundant `delay()` calls, minor optimizations (#9453)

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This commit is contained in:
Keith Burzinski
2025-07-11 22:05:06 -05:00
committed by GitHub
parent 01f949e097
commit 2243e44750
1 changed files with 12 additions and 28 deletions
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40
esphome/components/ld2410/ld2410.cpp
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@@ -178,13 +178,8 @@ static constexpr uint8_t NO_MAC[] = {0x08, 0x05, 0x04, 0x03, 0x02, 0x01};
static inline int two_byte_to_int(char firstbyte, char secondbyte) { return (int16_t) (secondbyte << 8) + firstbyte; }
static bool validate_header_footer(const uint8_t *header_footer, const uint8_t *buffer) {
for (uint8_t i = 0; i < HEADER_FOOTER_SIZE; i++) {
if (header_footer[i] != buffer[i]) {
return false; // Mismatch in header/footer
}
}
return true; // Valid header/footer
static inline bool validate_header_footer(const uint8_t *header_footer, const uint8_t *buffer) {
return std::memcmp(header_footer, buffer, HEADER_FOOTER_SIZE) == 0;
}
void LD2410Component::dump_config() {
@@ -300,14 +295,12 @@ void LD2410Component::send_command_(uint8_t command, const uint8_t *command_valu
if (command_value != nullptr) {
len += command_value_len;
}
uint8_t len_cmd[] = {lowbyte(len), highbyte(len), command, 0x00};
// 2 length bytes (low, high) + 2 command bytes (low, high)
uint8_t len_cmd[] = {len, 0x00, command, 0x00};
this->write_array(len_cmd, sizeof(len_cmd));
// command value bytes
if (command_value != nullptr) {
for (uint8_t i = 0; i < command_value_len; i++) {
this->write_byte(command_value[i]);
}
this->write_array(command_value, command_value_len);
}
// frame footer bytes
this->write_array(CMD_FRAME_FOOTER, sizeof(CMD_FRAME_FOOTER));
@@ -401,7 +394,7 @@ void LD2410Component::handle_periodic_data_() {
/*
Moving distance range: 18th byte
Still distance range: 19th byte
Moving enery: 20~28th bytes
Moving energy: 20~28th bytes
*/
for (std::vector<sensor::Sensor *>::size_type i = 0; i != this->gate_move_sensors_.size(); i++) {
sensor::Sensor *s = this->gate_move_sensors_[i];
@@ -480,7 +473,7 @@ bool LD2410Component::handle_ack_data_() {
ESP_LOGE(TAG, "Invalid status");
return true;
}
if (ld2410::two_byte_to_int(this->buffer_data_[8], this->buffer_data_[9]) != 0x00) {
if (this->buffer_data_[8] || this->buffer_data_[9]) {
ESP_LOGW(TAG, "Invalid command: %02X, %02X", this->buffer_data_[8], this->buffer_data_[9]);
return true;
}
@@ -534,8 +527,8 @@ bool LD2410Component::handle_ack_data_() {
const auto *light_function_str = find_str(LIGHT_FUNCTIONS_BY_UINT, this->light_function_);
const auto *out_pin_level_str = find_str(OUT_PIN_LEVELS_BY_UINT, this->out_pin_level_);
ESP_LOGV(TAG,
"Light function is: %s\n"
"Light threshold is: %u\n"
"Light function: %s\n"
"Light threshold: %u\n"
"Out pin level: %s",
light_function_str, this->light_threshold_, out_pin_level_str);
#ifdef USE_SELECT
@@ -600,7 +593,7 @@ bool LD2410Component::handle_ack_data_() {
break;
case CMD_QUERY: { // Query parameters response
if (this->buffer_data_[10] != 0xAA)
if (this->buffer_data_[10] != HEADER)
return true; // value head=0xAA
#ifdef USE_NUMBER
/*
@@ -656,17 +649,11 @@ void LD2410Component::readline_(int readch) {
if (this->buffer_pos_ < 4) {
return; // Not enough data to process yet
}
if (this->buffer_data_[this->buffer_pos_ - 4] == DATA_FRAME_FOOTER[0] &&
this->buffer_data_[this->buffer_pos_ - 3] == DATA_FRAME_FOOTER[1] &&
this->buffer_data_[this->buffer_pos_ - 2] == DATA_FRAME_FOOTER[2] &&
this->buffer_data_[this->buffer_pos_ - 1] == DATA_FRAME_FOOTER[3]) {
if (ld2410::validate_header_footer(DATA_FRAME_FOOTER, &this->buffer_data_[this->buffer_pos_ - 4])) {
ESP_LOGV(TAG, "Handling Periodic Data: %s", format_hex_pretty(this->buffer_data_, this->buffer_pos_).c_str());
this->handle_periodic_data_();
this->buffer_pos_ = 0; // Reset position index for next message
} else if (this->buffer_data_[this->buffer_pos_ - 4] == CMD_FRAME_FOOTER[0] &&
this->buffer_data_[this->buffer_pos_ - 3] == CMD_FRAME_FOOTER[1] &&
this->buffer_data_[this->buffer_pos_ - 2] == CMD_FRAME_FOOTER[2] &&
this->buffer_data_[this->buffer_pos_ - 1] == CMD_FRAME_FOOTER[3]) {
} else if (ld2410::validate_header_footer(CMD_FRAME_FOOTER, &this->buffer_data_[this->buffer_pos_ - 4])) {
ESP_LOGV(TAG, "Handling Ack Data: %s", format_hex_pretty(this->buffer_data_, this->buffer_pos_).c_str());
if (this->handle_ack_data_()) {
this->buffer_pos_ = 0; // Reset position index for next message
@@ -772,7 +759,6 @@ void LD2410Component::set_max_distances_timeout() {
0x00};
this->set_config_mode_(true);
this->send_command_(CMD_MAXDIST_DURATION, value, sizeof(value));
delay(50); // NOLINT
this->query_parameters_();
this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
this->set_config_mode_(false);
@@ -802,7 +788,6 @@ void LD2410Component::set_gate_threshold(uint8_t gate) {
0x01, 0x00, lowbyte(motion), highbyte(motion), 0x00, 0x00,
0x02, 0x00, lowbyte(still), highbyte(still), 0x00, 0x00};
this->send_command_(CMD_GATE_SENS, value, sizeof(value));
delay(50); // NOLINT
this->query_parameters_();
this->set_config_mode_(false);
}
@@ -833,7 +818,6 @@ void LD2410Component::set_light_out_control() {
this->set_config_mode_(true);
uint8_t value[4] = {this->light_function_, this->light_threshold_, this->out_pin_level_, 0x00};
this->send_command_(CMD_SET_LIGHT_CONTROL, value, sizeof(value));
delay(50); // NOLINT
this->query_light_control_();
this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
this->set_config_mode_(false);