Diff: TESTS/udp_echo/main.cpp

Revision:

0:d0e3f515f99d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TESTS/udp_echo/main.cpp	Mon Dec 18 23:25:46 2017 +0000
@@ -0,0 +1,156 @@
+/* WiFi Example
+ * Copyright (c) 2016 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mbed.h"
+#include "TCPSocket.h"
+
+#define WIFI_ESP8266    1
+#define WIFI_IDW0XX1    2
+#define WIFI_WIZFI310   3
+
+#if TARGET_UBLOX_EVK_ODIN_W2
+#include "OdinWiFiInterface.h"
+OdinWiFiInterface wifi;
+
+#elif TARGET_REALTEK_RTL8195AM
+#include "RTWInterface.h"
+RTWInterface wifi;
+
+#else // External WiFi modules
+
+#if MBED_CONF_APP_WIFI_SHIELD == WIFI_ESP8266
+#include "ESP8266Interface.h"
+ESP8266Interface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
+#elif MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1
+#include "SpwfSAInterface.h"
+SpwfSAInterface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
+#elif MBED_CONF_APP_WIFI_SHIELD == WIFI_WIZFI310
+#include "WizFi310Interface.h"
+WizFi310Interface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
+#endif // MBED_CONF_APP_WIFI_SHIELD == WIFI_WIZFI310
+
+#endif
+
+#ifndef MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE
+#define MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE 5
+#endif
+
+namespace {
+    char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    const char ASCII_MAX = '~' - ' ';
+    const int ECHO_LOOPS = 16;
+    char uuid[48] = {0};
+}
+
+void prep_buffer(char *uuid, char *tx_buffer, size_t tx_size) {
+    size_t i = 0;
+
+    memcpy(tx_buffer, uuid, strlen(uuid));
+    i += strlen(uuid);
+
+    tx_buffer[i++] = ' ';
+
+    for (; i<tx_size; ++i) {
+        tx_buffer[i] = (rand() % 10) + '0';
+    }
+}
+
+void test_udp_echo(NetworkInterface *net)
+{
+    printf("UDP client IP Address is %s\n", net->get_ip_address());
+
+    printf("target_ip %s\r\n", net->get_ip_address());
+    char recv_key[] = "host_port";
+    char ipbuf[60] = {0};
+    char portbuf[16] = {0};
+    unsigned int port = 5000;
+
+    UDPSocket sock;
+    sock.open(net);
+    sock.set_timeout(500);
+
+    //printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
+    nsapi_addr_t addr = {NSAPI_IPv4, 192,168,1,46};
+    SocketAddress udp_addr(addr, port);
+
+    int success = 0;
+    for (int i=0; success < ECHO_LOOPS; i++)
+    {
+        prep_buffer(uuid, tx_buffer, sizeof(tx_buffer));
+        const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
+        if (ret >= 0) {
+            printf("[%02d] sent %d bytes - %.*s  \n", i, ret, ret, tx_buffer);
+        } else {
+            printf("[%02d] Network error %d\n", i, ret);
+            continue;
+        }
+
+        SocketAddress temp_addr;
+        const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
+        if (n >= 0) {
+            printf("[%02d] recv %d bytes - %.*s  \n", i, n, n, rx_buffer);
+        } else {
+            printf("[%02d] Network error %d\n", i, n);
+            continue;
+        }
+
+        if ((temp_addr == udp_addr &&
+             n == sizeof(tx_buffer) &&
+             memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
+            success += 1;
+
+            printf("[%02d] success #%d\n", i, success);
+            continue;
+        }
+
+        // failed, clean out any remaining bad packets
+        sock.set_timeout(0);
+        while (true) {
+            nsapi_size_or_error_t err = sock.recvfrom(NULL, NULL, 0);
+            if (err == NSAPI_ERROR_WOULD_BLOCK) {
+                break;
+            }
+        }
+        sock.set_timeout(500);
+    }
+    sock.close();
+    net->disconnect();
+}
+
+int main()
+{
+    int count = 0;
+
+    printf("WiFi example\n\n");
+    printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
+    int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
+    if (ret != 0) {
+        printf("\nConnection error\n");
+        return -1;
+    }
+
+    printf("Success\n\n");
+    printf("MAC: %s\n", wifi.get_mac_address());
+    printf("IP: %s\n", wifi.get_ip_address());
+    printf("Netmask: %s\n", wifi.get_netmask());
+    printf("Gateway: %s\n", wifi.get_gateway());
+    printf("RSSI: %d\n\n", wifi.get_rssi());
+
+    test_udp_echo(&wifi);
+    wifi.disconnect();
+    printf("\nDone\n");
+}