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mirror of https://github.com/esphome/esphome.git synced 2025-04-01 08:28:15 +01:00
niklasweber 907d43827c
Add dfrobot_sen0395 mmwave radar component (#4203)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2023-10-27 17:56:33 +13:00

143 lines
4.1 KiB
C++

#include "dfrobot_sen0395.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace dfrobot_sen0395 {
static const char *const TAG = "dfrobot_sen0395";
const char ASCII_CR = 0x0D;
const char ASCII_LF = 0x0A;
void DfrobotSen0395Component::dump_config() {
ESP_LOGCONFIG(TAG, "Dfrobot Mmwave Radar:");
#ifdef USE_BINARY_SENSOR
LOG_BINARY_SENSOR(" ", "Registered", this->detected_binary_sensor_);
#endif
#ifdef USE_SWITCH
LOG_SWITCH(" ", "Sensor Active Switch", this->sensor_active_switch_);
LOG_SWITCH(" ", "Turn on LED Switch", this->turn_on_led_switch_);
LOG_SWITCH(" ", "Presence via UART Switch", this->presence_via_uart_switch_);
LOG_SWITCH(" ", "Start after Boot Switch", this->start_after_boot_switch_);
#endif
}
void DfrobotSen0395Component::loop() {
if (cmd_queue_.is_empty()) {
// Command queue empty. Read sensor state.
cmd_queue_.enqueue(make_unique<ReadStateCommand>());
}
// Commands are non-blocking and need to be called repeatedly.
if (cmd_queue_.process(this)) {
// Dequeue if command is done
cmd_queue_.dequeue();
}
}
int8_t DfrobotSen0395Component::enqueue(std::unique_ptr<Command> cmd) {
return cmd_queue_.enqueue(std::move(cmd)); // Transfer ownership using std::move
}
uint8_t DfrobotSen0395Component::read_message_() {
while (this->available()) {
uint8_t byte;
this->read_byte(&byte);
if (this->read_pos_ == MMWAVE_READ_BUFFER_LENGTH)
this->read_pos_ = 0;
ESP_LOGVV(TAG, "Buffer pos: %u %d", this->read_pos_, byte);
if (byte == ASCII_CR)
continue;
if (byte >= 0x7F)
byte = '?'; // needs to be valid utf8 string for log functions.
this->read_buffer_[this->read_pos_] = byte;
if (this->read_pos_ == 9 && byte == '>')
this->read_buffer_[++this->read_pos_] = ASCII_LF;
if (this->read_buffer_[this->read_pos_] == ASCII_LF) {
this->read_buffer_[this->read_pos_] = 0;
this->read_pos_ = 0;
ESP_LOGV(TAG, "Message: %s", this->read_buffer_);
return 1; // Full message in buffer
} else {
this->read_pos_++;
}
}
return 0; // No full message yet
}
uint8_t DfrobotSen0395Component::find_prompt_() {
if (this->read_message_()) {
std::string message(this->read_buffer_);
if (message.rfind("leapMMW:/>") != std::string::npos) {
return 1; // Prompt found
}
}
return 0; // Not found yet
}
uint8_t DfrobotSen0395Component::send_cmd_(const char *cmd, uint32_t duration) {
// The interval between two commands must be larger than the specified duration (in ms).
if (millis() - ts_last_cmd_sent_ > duration) {
this->write_str(cmd);
ts_last_cmd_sent_ = millis();
return 1; // Command sent
}
// Could not send command yet as command duration did not fully pass yet.
return 0;
}
void DfrobotSen0395Component::set_detected_(bool detected) {
this->detected_ = detected;
#ifdef USE_BINARY_SENSOR
if (this->detected_binary_sensor_ != nullptr)
this->detected_binary_sensor_->publish_state(detected);
#endif
}
int8_t CircularCommandQueue::enqueue(std::unique_ptr<Command> cmd) {
if (this->is_full()) {
ESP_LOGE(TAG, "Command queue is full");
return -1;
} else if (this->is_empty())
front_++;
rear_ = (rear_ + 1) % COMMAND_QUEUE_SIZE;
commands_[rear_] = std::move(cmd); // Transfer ownership using std::move
return 1;
}
std::unique_ptr<Command> CircularCommandQueue::dequeue() {
if (this->is_empty())
return nullptr;
std::unique_ptr<Command> dequeued_cmd = std::move(commands_[front_]);
if (front_ == rear_) {
front_ = -1;
rear_ = -1;
} else
front_ = (front_ + 1) % COMMAND_QUEUE_SIZE;
return dequeued_cmd;
}
bool CircularCommandQueue::is_empty() { return front_ == -1; }
bool CircularCommandQueue::is_full() { return (rear_ + 1) % COMMAND_QUEUE_SIZE == front_; }
// Run execute method of first in line command.
// Execute is non-blocking and has to be called until it returns 1.
uint8_t CircularCommandQueue::process(DfrobotSen0395Component *parent) {
if (!is_empty()) {
return commands_[front_]->execute(parent);
} else {
return 1;
}
}
} // namespace dfrobot_sen0395
} // namespace esphome