Add dfrobot_sen0395 mmwave radar component (#4203)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/dfrobot_sen0395/commands.h

@@ -0,0 +1,156 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace dfrobot_sen0395 {
+
+class DfrobotSen0395Component;
+
+// Use command queue and time stamps to avoid blocking.
+// When component has run time, check if minimum time (1s) between
+// commands has passed. After that run a command from the queue.
+class Command {
+ public:
+  virtual ~Command() = default;
+  virtual uint8_t execute(DfrobotSen0395Component *parent);
+  virtual uint8_t on_message(std::string &message) = 0;
+
+ protected:
+  DfrobotSen0395Component *parent_{nullptr};
+  std::string cmd_;
+  bool cmd_sent_{false};
+  int8_t retries_left_{2};
+  uint32_t cmd_duration_ms_{1000};
+  uint32_t timeout_ms_{1500};
+};
+
+class ReadStateCommand : public Command {
+ public:
+  uint8_t execute(DfrobotSen0395Component *parent) override;
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  uint32_t timeout_ms_{500};
+};
+
+class PowerCommand : public Command {
+ public:
+  PowerCommand(bool power_on) : power_on_(power_on) {
+    if (power_on) {
+      cmd_ = "sensorStart";
+    } else {
+      cmd_ = "sensorStop";
+    }
+  };
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  bool power_on_;
+};
+
+class DetRangeCfgCommand : public Command {
+ public:
+  DetRangeCfgCommand(float min1, float max1, float min2, float max2, float min3, float max3, float min4, float max4);
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  float min1_, max1_, min2_, max2_, min3_, max3_, min4_, max4_;
+  // TODO: Set min max values in component, so they can be published as sensor.
+};
+
+class OutputLatencyCommand : public Command {
+ public:
+  OutputLatencyCommand(float delay_after_detection, float delay_after_disappear);
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  float delay_after_detection_;
+  float delay_after_disappear_;
+};
+
+class SensorCfgStartCommand : public Command {
+ public:
+  SensorCfgStartCommand(bool startup_mode) : startup_mode_(startup_mode) {
+    char tmp_cmd[20] = {0};
+    sprintf(tmp_cmd, "sensorCfgStart %d", startup_mode);
+    cmd_ = std::string(tmp_cmd);
+  }
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  bool startup_mode_;
+};
+
+class FactoryResetCommand : public Command {
+ public:
+  FactoryResetCommand() { cmd_ = "factoryReset 0x45670123 0xCDEF89AB 0x956128C6 0xDF54AC89"; };
+  uint8_t on_message(std::string &message) override;
+};
+
+class ResetSystemCommand : public Command {
+ public:
+  ResetSystemCommand() { cmd_ = "resetSystem"; }
+  uint8_t on_message(std::string &message) override;
+};
+
+class SaveCfgCommand : public Command {
+ public:
+  SaveCfgCommand() { cmd_ = "saveCfg 0x45670123 0xCDEF89AB 0x956128C6 0xDF54AC89"; }
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  uint32_t cmd_duration_ms_{3000};
+  uint32_t timeout_ms_{3500};
+};
+
+class LedModeCommand : public Command {
+ public:
+  LedModeCommand(bool active) : active_(active) {
+    if (active) {
+      cmd_ = "setLedMode 1 0";
+    } else {
+      cmd_ = "setLedMode 1 1";
+    }
+  };
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  bool active_;
+};
+
+class UartOutputCommand : public Command {
+ public:
+  UartOutputCommand(bool active) : active_(active) {
+    if (active) {
+      cmd_ = "setUartOutput 1 1";
+    } else {
+      cmd_ = "setUartOutput 1 0";
+    }
+  };
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  bool active_;
+};
+
+class SensitivityCommand : public Command {
+ public:
+  SensitivityCommand(uint8_t sensitivity) : sensitivity_(sensitivity) {
+    if (sensitivity > 9)
+      sensitivity_ = sensitivity = 9;
+    char tmp_cmd[20] = {0};
+    sprintf(tmp_cmd, "setSensitivity %d", sensitivity);
+    cmd_ = std::string(tmp_cmd);
+  };
+  uint8_t on_message(std::string &message) override;
+
+ protected:
+  uint8_t sensitivity_;
+};
+
+}  // namespace dfrobot_sen0395
+}  // namespace esphome