Add dial support for sim800l component (#1558)

esphome/components/sim800l/__init__.py

@@ -17,6 +17,7 @@ Sim800LReceivedMessageTrigger = sim800l_ns.class_('Sim800LReceivedMessageTrigger
 
 # Actions
 Sim800LSendSmsAction = sim800l_ns.class_('Sim800LSendSmsAction', automation.Action)
+Sim800LDialAction = sim800l_ns.class_('Sim800LDialAction', automation.Action)
 
 CONF_ON_SMS_RECEIVED = 'on_sms_received'
 CONF_RECIPIENT = 'recipient'
@@ -57,3 +58,18 @@ def sim800l_send_sms_to_code(config, action_id, template_arg, args):
     template_ = yield cg.templatable(config[CONF_MESSAGE], args, cg.std_string)
     cg.add(var.set_message(template_))
     yield var
+
+
+SIM800L_DIAL_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.use_id(Sim800LComponent),
+    cv.Required(CONF_RECIPIENT): cv.templatable(cv.string_strict),
+})
+
+
+@automation.register_action('sim800l.dial', Sim800LDialAction, SIM800L_DIAL_SCHEMA)
+def sim800l_dial_to_code(config, action_id, template_arg, args):
+    paren = yield cg.get_variable(config[CONF_ID])
+    var = cg.new_Pvariable(action_id, template_arg, paren)
+    template_ = yield cg.templatable(config[CONF_RECIPIENT], args, cg.std_string)
+    cg.add(var.set_recipient(template_))
+    yield var

esphome/components/sim800l/sim800l.cpp

@@ -20,6 +20,9 @@ void Sim800LComponent::update() {
     if (this->registered_ && this->send_pending_) {
       this->send_cmd_("AT+CSCS=\"GSM\"");
       this->state_ = STATE_SENDINGSMS1;
+    } else if (this->registered_ && this->dial_pending_) {
+      this->send_cmd_("AT+CSCS=\"GSM\"");
+      this->state_ = STATE_DIALING1;
     } else {
       this->send_cmd_("AT");
       this->state_ = STATE_CHECK_AT;
@@ -212,6 +215,23 @@ void Sim800LComponent::parse_cmd_(std::string message) {
         this->expect_ack_ = true;
       }
       break;
+    case STATE_DIALING1:
+      this->send_cmd_("ATD" + this->recipient_ + ';');
+      this->state_ = STATE_DIALING2;
+      break;
+    case STATE_DIALING2:
+      if (message == "OK") {
+        // Dialing
+        ESP_LOGD(TAG, "Dialing: '%s'", this->recipient_.c_str());
+        this->state_ = STATE_INIT;
+        this->dial_pending_ = false;
+      } else {
+        this->registered_ = false;
+        this->state_ = STATE_INIT;
+        this->send_cmd_("AT+CMEE=2");
+        this->write(26);
+      }
+      break;
     default:
       ESP_LOGD(TAG, "Unhandled: %s - %d", message.c_str(), this->state_);
       break;
@@ -259,6 +279,12 @@ void Sim800LComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "SIM800L:");
   ESP_LOGCONFIG(TAG, "  RSSI: %d dB", this->rssi_);
 }
+void Sim800LComponent::dial(std::string recipient) {
+  ESP_LOGD(TAG, "Dialing %s", recipient.c_str());
+  this->recipient_ = recipient;
+  this->dial_pending_ = true;
+  this->update();
+}
 
 }  // namespace sim800l
 }  // namespace esphome

esphome/components/sim800l/sim800l.h

@@ -29,7 +29,9 @@ enum State {
   STATE_RECEIVEDSMS,
   STATE_DELETEDSMS,
   STATE_DISABLE_ECHO,
-  STATE_PARSE_SMS_OK
+  STATE_PARSE_SMS_OK,
+  STATE_DIALING1,
+  STATE_DIALING2
 };
 
 class Sim800LComponent : public uart::UARTDevice, public PollingComponent {
@@ -42,6 +44,7 @@ class Sim800LComponent : public uart::UARTDevice, public PollingComponent {
     this->callback_.add(std::move(callback));
   }
   void send_sms(std::string recipient, std::string message);
+  void dial(std::string recipient);
 
  protected:
   void send_cmd_(std::string);
@@ -60,6 +63,7 @@ class Sim800LComponent : public uart::UARTDevice, public PollingComponent {
   std::string recipient_;
   std::string outgoing_message_;
   bool send_pending_;
+  bool dial_pending_;
 
   CallbackManager<void(std::string, std::string)> callback_;
 };
@@ -88,5 +92,19 @@ template<typename... Ts> class Sim800LSendSmsAction : public Action<Ts...> {
   Sim800LComponent *parent_;
 };
 
+template<typename... Ts> class Sim800LDialAction : public Action<Ts...> {
+ public:
+  Sim800LDialAction(Sim800LComponent *parent) : parent_(parent) {}
+  TEMPLATABLE_VALUE(std::string, recipient)
+
+  void play(Ts... x) {
+    auto recipient = this->recipient_.value(x...);
+    this->parent_->dial(recipient);
+  }
+
+ protected:
+  Sim800LComponent *parent_;
+};
+
 }  // namespace sim800l
 }  // namespace esphome

tests/test3.yaml

@@ -842,6 +842,8 @@ sim800l:
     - sim800l.send_sms:
         message: 'hello you'
         recipient: '+1234'
+    - sim800l.dial:
+        recipient: '+1234'
 
 dfplayer:
   on_finished_playback: