Porting PicoTCP WIP

kernel/picotcp/test/examples/sntp.c

@@ -0,0 +1,59 @@
+#include "utils.h"
+#include <pico_sntp_client.h>
+/*** START SNTP ***/
+
+#ifdef PICO_SUPPORT_SNTP_CLIENT
+
+void sntp_timeout(pico_time __attribute__((unused)) now, void *arg)
+{
+    struct pico_timeval ptv;
+    struct timeval tv;
+    pico_sntp_gettimeofday(&ptv);
+    gettimeofday(&tv, NULL);
+    printf("Linux   sec: %u, msec: %u\n", (unsigned int)tv.tv_sec, (unsigned int)tv.tv_usec / 1000);
+    printf("Picotcp sec: %u, msec: %u\n", (unsigned int)ptv.tv_sec, (unsigned int)ptv.tv_msec);
+    printf("SNTP test succesfull!\n");
+    exit(0);
+}
+
+void cb_synced(pico_err_t status)
+{
+    if(status == PICO_ERR_ENETDOWN) {
+        printf("SNTP: Cannot resolve ntp server name\n");
+        exit(1);
+    } else if (status == PICO_ERR_ETIMEDOUT) {
+        printf("SNTP: Timed out, did not receive ntp packet from server\n");
+        exit(1);
+    } else if (status == PICO_ERR_EINVAL) {
+        printf("SNTP: Conversion error\n");
+        exit(1);
+    } else if (status == PICO_ERR_ENOTCONN) {
+        printf("SNTP: Socket error\n");
+        exit(1);
+    } else if (status == PICO_ERR_NOERR) {
+        if (!pico_timer_add(2000, sntp_timeout, NULL)) {
+            printf("SNTP: Failed to start timeout timer, exiting program \n");
+            exit(1);
+        }
+    } else {
+        printf("SNTP: Invalid status received in cb_synced\n");
+        exit(1);
+    }
+}
+
+void app_sntp(char *servername)
+{
+    struct pico_timeval tv;
+    printf("Starting SNTP query towards %s\n", servername);
+    if(pico_sntp_gettimeofday(&tv) == 0)
+        printf("Wrongly succesfull gettimeofday\n");
+    else
+        printf("Unsuccesfull gettimeofday (not synced)\n");
+
+    if(pico_sntp_sync(servername, &cb_synced) == 0)
+        printf("Succesfull sync call!\n");
+    else
+        printf("Error in  sync\n");
+}
+#endif
+/*** END SNTP ***/