Add getTime

UNOR4USBBridge/UNOR4USBBridge.ino

@@ -162,6 +162,9 @@ void setup() {
   /* Set up wifi event */
   WiFi.onEvent(CAtHandler::onWiFiEvent);
 
+  /* Configure ntp */
+  configTime(0, 0, "pool.ntp.org");
+
   Debug.setDebugOutputStream(&USBSerial);
   Debug.setDebugLevel(DBG_ERROR);
 

UNOR4USBBridge/cmds_esp_generic.h

@@ -2,6 +2,7 @@
 #define CMDS_ESP_GENERIC_H
 
 #include "at_handler.h"
+
 extern "C" {
    #include "esp32-hal-tinyusb.h"
 }
@@ -359,6 +360,32 @@ void CAtHandler::add_cmds_esp_generic() {
             return chAT::CommandStatus::ERROR;
       }
    };
+
+   /* ....................................................................... */
+   command_table[_GETTIME] = [this](auto & srv, auto & parser) {
+   /* ....................................................................... */
+
+      switch (parser.cmd_mode) {
+         case chAT::CommandMode::Write: {
+            char epoch[12];                                // gettime
+            constexpr uint32_t SECS_YR_2000 = 946684800UL; // the time at the start of y2k
+            time_t now = time(nullptr);
+
+            if (now < SECS_YR_2000) {
+               now = 0;
+            }
+
+            srv.write_response_prompt();
+            sprintf(epoch,"%d", (unsigned long) now);
+            srv.write_str((const char *) epoch);
+            srv.write_line_end();
+
+            return chAT::CommandStatus::OK;
+         }
+         default:
+            return chAT::CommandStatus::ERROR;
+      }
+   };
 }
 
 #endif

UNOR4USBBridge/commands.h

@@ -20,6 +20,7 @@ enum file_op {
 #define _ENDL                    "\r\n"
 #define _WIFISCAN                "+WIFISCAN"
 
+#define _GETTIME                 "+GETTIME" 
 #define _RESET                   "+RESET"
 #define _RESTART_BOOTLOADER      "+RESTARTBOOTLOADER"
 #define _GMR                     "+GMR"