tests: Add two devices test

tests/basic_wifi/station/Makefile

@@ -0,0 +1,3 @@
+PROGRAM=http_get
+EXTRA_COMPONENTS=extras/test
+include ../../../common.mk

tests/basic_wifi/station/station.c

@@ -0,0 +1,104 @@
+/* http_get - Retrieves a web page over HTTP GET.
+ *
+ * See http_get_ssl for a TLS-enabled version.
+ *
+ * This sample code is in the public domain.,
+ */
+#include "espressif/esp_common.h"
+#include "esp/uart.h"
+
+#include <string.h>
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include "lwip/err.h"
+#include "lwip/sockets.h"
+#include "lwip/sys.h"
+#include "lwip/netdb.h"
+#include "lwip/dns.h"
+
+#include "ssid_config.h"
+
+#include "test/test.h"
+
+#define AP_SSID "esp-open-rtos-ap"
+#define AP_PSK "esp-open-rtos"
+#define SERVER "172.16.0.1"
+#define PORT 23
+
+void connect_task(void *pvParameters)
+{
+    printf("HTTP get task starting...\r\n");
+
+    while(1) {
+        struct sockaddr_in serv_addr;
+        uint8_t buf[256];
+
+        int s = socket(AF_INET, SOCK_STREAM, 0);
+        if(s < 0) {
+            printf("failed to allocate socket.\n");
+            vTaskDelay(1000 / portTICK_RATE_MS);
+            continue;
+        }
+
+        bzero(&serv_addr, sizeof(serv_addr));
+        serv_addr.sin_port = htons(23);
+        serv_addr.sin_family = AF_INET;
+        if (inet_aton(SERVER, &serv_addr.sin_addr.s_addr) == 0) {
+            printf("failed to set IP address\n");
+            continue;
+        }
+
+        printf("allocated socket\n");
+
+        if(connect(s, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) != 0) {
+            close(s);
+            printf("socket connect failed.\n");
+            vTaskDelay(4000 / portTICK_RATE_MS);
+            continue;
+        }
+
+        printf("connected\n");
+
+        bzero(buf, 256);
+
+        int r = 0;
+        for (int i = 0; i < 10; i++) {
+            r = read(s, buf, 256);
+            if (r > 0) {
+                break;
+            }
+            vTaskDelay(1000 / portTICK_RATE_MS);
+        }
+        printf("data: %s\n", buf);
+        TEST_CHECK(r > 0, "no data received");
+
+        TEST_CHECK(strcmp((const char*)buf, "test ping\r\n") == 0, 
+                "received wrong data");
+
+        close(s);
+
+        TEST_FINISH();
+        break;
+    }
+}
+
+void user_init(void)
+{
+    TEST_INIT(30);
+
+    printf("SDK version:%s\n", sdk_system_get_sdk_version());
+
+    struct sdk_station_config config = {
+        .ssid = AP_SSID,
+        .password = AP_PSK,
+    };
+
+    /* required to call wifi_set_opmode before station_set_config */
+    sdk_wifi_set_opmode(STATION_MODE);
+    sdk_wifi_station_set_config(&config);
+
+    xTaskCreate(&connect_task, (signed char *)"connect_task", 256, NULL, 2, NULL);
+}
+