Add: sim7070 support

components/esp_modem/src/esp_modem_api.cpp

@@ -54,6 +54,11 @@ std::unique_ptr<DCE> create_SIM7600_dce(const dce_config *config, std::shared_pt
     return create_modem_dce(dce_factory::ModemType::SIM7600, config, std::move(dte), netif);
 }
 
+std::unique_ptr<DCE> create_SIM7070_dce(const dce_config *config, std::shared_ptr<DTE> dte, esp_netif_t *netif)
+{
+    return create_modem_dce(dce_factory::ModemType::SIM7070, config, std::move(dte), netif);
+}
+
 std::unique_ptr<DCE> create_SIM800_dce(const dce_config *config, std::shared_ptr<DTE> dte, esp_netif_t *netif)
 {
     return create_modem_dce(dce_factory::ModemType::SIM800, config, std::move(dte), netif);

components/esp_modem/src/esp_modem_c_api.cpp

@@ -59,6 +59,8 @@ static inline dce_factory::ModemType convert_modem_enum(esp_modem_dce_device_t m
     switch (module) {
     case ESP_MODEM_DCE_SIM7600:
         return esp_modem::dce_factory::ModemType::SIM7600;
+    case ESP_MODEM_DCE_SIM7070:
+        return esp_modem::dce_factory::ModemType::SIM7070;
     case ESP_MODEM_DCE_BG96:
         return esp_modem::dce_factory::ModemType::BG96;
     case ESP_MODEM_DCE_SIM800:

components/esp_modem/src/esp_modem_command_library.cpp

@@ -121,12 +121,18 @@ command_result power_down(CommandableIf *t)
     return generic_command(t, "AT+QPOWD=1\r", "POWERED DOWN", "ERROR", 1000);
 }
 
-command_result power_down_sim7xxx(CommandableIf *t)
+command_result power_down_sim7600(CommandableIf *t)
 {
     ESP_LOGV(TAG, "%s", __func__ );
     return generic_command_common(t, "AT+CPOF\r", 1000);
 }
 
+command_result power_down_sim7070(CommandableIf *t)
+{
+    ESP_LOGV(TAG, "%s", __func__ );
+    return generic_command(t, "AT+CPOWD=1\r", "POWER DOWN", "ERROR", 1000);
+}
+
 command_result power_down_sim8xx(CommandableIf *t)
 {
     ESP_LOGV(TAG, "%s", __func__ );

components/esp_modem/src/esp_modem_modules.cpp

@@ -57,7 +57,12 @@ command_result SIM7600::get_battery_status(int &voltage, int &bcs, int &bcl)
 
 command_result SIM7600::power_down()
 {
-    return dce_commands::power_down_sim7xxx(dte.get());
+    return dce_commands::power_down_sim7600(dte.get());
+}
+
+command_result SIM7070::power_down()
+{
+    return dce_commands::power_down_sim7070(dte.get());
 }
 
 command_result SIM800::power_down()