Easily add all supported connectivity methods to your mbed OS project

Dependencies:   type-yd-driver

Revision:
0:615f90842ce8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/esp8266-driver/TESTS/net/tcp_echo/main.cpp	Wed Jul 12 10:52:58 2017 +0000
@@ -0,0 +1,118 @@
+#include "mbed.h"
+#include "ESP8266Interface.h"
+#include "TCPSocket.h"
+#include "greentea-client/test_env.h"
+#include "unity/unity.h"
+#include "utest.h"
+
+using namespace utest::v1;
+
+
+#ifndef MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE
+#define MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE 256
+#endif
+
+#ifndef MBED_CFG_ESP8266_TX
+#define MBED_CFG_ESP8266_TX D1
+#endif
+
+#ifndef MBED_CFG_ESP8266_RX
+#define MBED_CFG_ESP8266_RX D0
+#endif
+
+#ifndef MBED_CFG_ESP8266_DEBUG
+#define MBED_CFG_ESP8266_DEBUG false
+#endif
+
+namespace {
+    char tx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    char rx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    const char ASCII_MAX = '~' - ' ';
+}
+
+void prep_buffer(char *tx_buffer, size_t tx_size) {
+    for (size_t i=0; i<tx_size; ++i) {
+        tx_buffer[i] = (rand() % 10) + '0';
+    }
+}
+
+void test_tcp_echo() {
+    ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
+    int err = net.connect(MBED_CFG_ESP8266_SSID, MBED_CFG_ESP8266_PASS);
+
+    if (err) {
+        printf("MBED: failed to connect with an error of %d\r\n", err);
+        TEST_ASSERT_EQUAL(0, err);
+    }
+
+    printf("MBED: TCPClient IP address is '%s'\n", net.get_ip_address());
+    printf("MBED: TCPClient waiting for server IP and port...\n");
+
+    greentea_send_kv("target_ip", net.get_ip_address());
+
+    bool result = false;
+
+    char recv_key[] = "host_port";
+    char ipbuf[60] = {0};
+    char portbuf[16] = {0};
+    unsigned int port = 0;
+
+    greentea_send_kv("host_ip", " ");
+    greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
+
+    greentea_send_kv("host_port", " ");
+    greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
+    sscanf(portbuf, "%u", &port);
+
+    printf("MBED: Server IP address received: %s:%d \n", ipbuf, port);
+
+    TCPSocket sock(&net);
+    SocketAddress tcp_addr(ipbuf, port);
+    if (sock.connect(tcp_addr) == 0) {
+        printf("HTTP: Connected to %s:%d\r\n", ipbuf, port);
+        printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
+        printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
+
+        prep_buffer(tx_buffer, sizeof(tx_buffer));
+        sock.send(tx_buffer, sizeof(tx_buffer));
+        printf("MBED: Finished sending\r\n");
+        // Server will respond with HTTP GET's success code
+        const int ret = sock.recv(rx_buffer, sizeof(rx_buffer));
+        printf("MBED: Finished receiving\r\n");
+
+        result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
+        TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
+        TEST_ASSERT_EQUAL(true, result);
+    }
+
+    sock.close();
+    net.disconnect();
+    TEST_ASSERT_EQUAL(true, result);
+}
+
+
+// Test setup
+utest::v1::status_t test_setup(const size_t number_of_cases) {
+    char uuid[48] = {0};
+    GREENTEA_SETUP_UUID(120, "tcp_echo", uuid, 48);
+
+    // create mac address based on uuid
+    uint64_t mac = 0;
+    for (int i = 0; i < sizeof(uuid); i++) {
+        mac += uuid[i];
+    }
+    mbed_set_mac_address((const char*)mac, /*coerce control bits*/ 1);
+
+    return verbose_test_setup_handler(number_of_cases);
+}
+
+Case cases[] = {
+    Case("TCP echo", test_tcp_echo),
+};
+
+Specification specification(test_setup, cases);
+
+int main() {
+    return !Harness::run(specification);
+}
+