WiFiS3 add Ping

.gitmodules

@@ -19,3 +19,6 @@
 	url = https://github.com/arduino/arduino-esp32.git
 	branch = unor4wifi-2.0.9
 	shallow = true
+[submodule "libraries/ESPping"]
+	path = libraries/ESPping
+	url = https://github.com/dvarrel/ESPping.git

UNOR4USBBridge/cmds_esp_generic.h

@@ -2,6 +2,9 @@
 #define CMDS_ESP_GENERIC_H
 
 #include "at_handler.h"
+#include "ESPping.h"
+char rsl[5];                // ping time
+
 extern "C" {
     #include "esp32-hal-tinyusb.h"
 }
@@ -332,6 +335,93 @@ void CAtHandler::add_cmds_esp_generic() {
             return chAT::CommandStatus::ERROR;
       } 
    };
+
+   /* ....................................................................... */
+   command_table[_PINGIP] = [this](auto & srv, auto & parser) {
+/* ....................................................................... */
+     switch (parser.cmd_mode) {
+       case chAT::CommandMode::Write: {
+
+          if (parser.args.size() != 3) {
+            return chAT::CommandStatus::ERROR;
+          }
+
+          // get IP
+          auto &hostip = parser.args[1];
+          if (hostip.empty()) {
+            return chAT::CommandStatus::ERROR;
+          }
+
+          IPAddress address;
+          if(!address.fromString(hostip.c_str())) {
+            return chAT::CommandStatus::ERROR;
+          }
+
+          // get count
+          auto &cnt = parser.args[2];
+          if (cnt.empty()) {
+            return chAT::CommandStatus::ERROR;
+          }
+          unsigned int count = atoi(cnt.c_str());
+
+          auto res = Ping.ping(address, count);
+          if (res) {  // ping was succesfull
+            srv.write_response_prompt();
+            sprintf(rsl,"%.2f", Ping.averageTime());
+            srv.write_cstr((const char *) rsl);
+            srv.write_line_end();
+            return chAT::CommandStatus::OK;
+          }
+          srv.write_response_prompt();
+          srv.write_error();
+          srv.write_line_end();
+          return chAT::CommandStatus::ERROR;
+         }
+       default:
+          return chAT::CommandStatus::ERROR;
+      }
+   };
+
+/* ....................................................................... */
+   command_table[_PINGNAME] = [this](auto & srv, auto & parser) {
+/* ....................................................................... */
+     switch (parser.cmd_mode) {
+       case chAT::CommandMode::Write: {
+
+          if (parser.args.size() != 3) {
+            return chAT::CommandStatus::ERROR;
+          }
+
+          // get host name
+          auto &host = parser.args[1];
+          if (host.empty()) {
+            return chAT::CommandStatus::ERROR;
+          }
+
+          // get count
+          auto &cnt = parser.args[2];
+          if (cnt.empty()) {
+            return chAT::CommandStatus::ERROR;
+          }
+          unsigned int count = atoi(cnt.c_str());
+
+          auto res = Ping.ping((const char* ) host.c_str(), count);
+          if (res) {  // ping was succesfull
+            srv.write_response_prompt();
+            sprintf(rsl,"%.2f", Ping.averageTime());
+            srv.write_cstr((const char *) rsl);
+            srv.write_line_end();
+            return chAT::CommandStatus::OK;
+          }
+          srv.write_response_prompt();
+          srv.write_error();
+          srv.write_line_end();
+          return chAT::CommandStatus::ERROR;
+         }
+       default:
+          return chAT::CommandStatus::ERROR;
+      }
+   };
 }
 
-#endif
+#endif

UNOR4USBBridge/commands.h

@@ -20,6 +20,8 @@ enum file_op {
 #define _ENDL                    "\r\n" 
 #define _WIFISCAN                "+WIFISCAN"
 
+#define _PINGNAME                "+PINGNAME"
+
 #define _RESET                   "+RESET"
 #define _RESTART_BOOTLOADER      "+RESTARTBOOTLOADER"
 #define _GMR                     "+GMR"