Jim Flynn / Mbed OS wifi_Example

wifi test

Dependencies:   X_NUCLEO_IKS01A2 mbed-http

easy-connect/esp8266-driver/TESTS/net/tcp_echo/main.cpp@0:24d3eb812fd4, 2018-09-05 (annotated)

Committer:
JMF
Date:
Wed Sep 05 14:28:24 2018 +0000
Revision:
0:24d3eb812fd4
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:24d3eb812fd4 1 #include "mbed.h"
JMF 0:24d3eb812fd4 2 #include "ESP8266Interface.h"
JMF 0:24d3eb812fd4 3 #include "TCPSocket.h"
JMF 0:24d3eb812fd4 4 #include "greentea-client/test_env.h"
JMF 0:24d3eb812fd4 5 #include "unity/unity.h"
JMF 0:24d3eb812fd4 6 #include "utest.h"
JMF 0:24d3eb812fd4 7
JMF 0:24d3eb812fd4 8 using namespace utest::v1;
JMF 0:24d3eb812fd4 9
JMF 0:24d3eb812fd4 10
JMF 0:24d3eb812fd4 11 #ifndef MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE
JMF 0:24d3eb812fd4 12 #define MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE 256
JMF 0:24d3eb812fd4 13 #endif
JMF 0:24d3eb812fd4 14
JMF 0:24d3eb812fd4 15 #ifndef MBED_CFG_ESP8266_TX
JMF 0:24d3eb812fd4 16 #define MBED_CFG_ESP8266_TX D1
JMF 0:24d3eb812fd4 17 #endif
JMF 0:24d3eb812fd4 18
JMF 0:24d3eb812fd4 19 #ifndef MBED_CFG_ESP8266_RX
JMF 0:24d3eb812fd4 20 #define MBED_CFG_ESP8266_RX D0
JMF 0:24d3eb812fd4 21 #endif
JMF 0:24d3eb812fd4 22
JMF 0:24d3eb812fd4 23 #ifndef MBED_CFG_ESP8266_DEBUG
JMF 0:24d3eb812fd4 24 #define MBED_CFG_ESP8266_DEBUG false
JMF 0:24d3eb812fd4 25 #endif
JMF 0:24d3eb812fd4 26
JMF 0:24d3eb812fd4 27 #define STRINGIZE(x) STRINGIZE2(x)
JMF 0:24d3eb812fd4 28 #define STRINGIZE2(x) #x
JMF 0:24d3eb812fd4 29
JMF 0:24d3eb812fd4 30 namespace {
JMF 0:24d3eb812fd4 31 char tx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
JMF 0:24d3eb812fd4 32 char rx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
JMF 0:24d3eb812fd4 33 const char ASCII_MAX = '~' - ' ';
JMF 0:24d3eb812fd4 34 }
JMF 0:24d3eb812fd4 35
JMF 0:24d3eb812fd4 36 void prep_buffer(char *tx_buffer, size_t tx_size) {
JMF 0:24d3eb812fd4 37 for (size_t i=0; i<tx_size; ++i) {
JMF 0:24d3eb812fd4 38 tx_buffer[i] = (rand() % 10) + '0';
JMF 0:24d3eb812fd4 39 }
JMF 0:24d3eb812fd4 40 }
JMF 0:24d3eb812fd4 41
JMF 0:24d3eb812fd4 42 void test_tcp_echo() {
JMF 0:24d3eb812fd4 43 ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
JMF 0:24d3eb812fd4 44 int err = net.connect(STRINGIZE(MBED_CFG_ESP8266_SSID), STRINGIZE(MBED_CFG_ESP8266_PASS));
JMF 0:24d3eb812fd4 45
JMF 0:24d3eb812fd4 46 if (err) {
JMF 0:24d3eb812fd4 47 printf("MBED: failed to connect with an error of %d\r\n", err);
JMF 0:24d3eb812fd4 48 TEST_ASSERT_EQUAL(0, err);
JMF 0:24d3eb812fd4 49 }
JMF 0:24d3eb812fd4 50
JMF 0:24d3eb812fd4 51 printf("MBED: TCPClient IP address is '%s'\n", net.get_ip_address());
JMF 0:24d3eb812fd4 52 printf("MBED: TCPClient waiting for server IP and port...\n");
JMF 0:24d3eb812fd4 53
JMF 0:24d3eb812fd4 54 greentea_send_kv("target_ip", net.get_ip_address());
JMF 0:24d3eb812fd4 55
JMF 0:24d3eb812fd4 56 bool result = false;
JMF 0:24d3eb812fd4 57
JMF 0:24d3eb812fd4 58 char recv_key[] = "host_port";
JMF 0:24d3eb812fd4 59 char ipbuf[60] = {0};
JMF 0:24d3eb812fd4 60 char portbuf[16] = {0};
JMF 0:24d3eb812fd4 61 unsigned int port = 0;
JMF 0:24d3eb812fd4 62
JMF 0:24d3eb812fd4 63 greentea_send_kv("host_ip", " ");
JMF 0:24d3eb812fd4 64 greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
JMF 0:24d3eb812fd4 65
JMF 0:24d3eb812fd4 66 greentea_send_kv("host_port", " ");
JMF 0:24d3eb812fd4 67 greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
JMF 0:24d3eb812fd4 68 sscanf(portbuf, "%u", &port);
JMF 0:24d3eb812fd4 69
JMF 0:24d3eb812fd4 70 printf("MBED: Server IP address received: %s:%d \n", ipbuf, port);
JMF 0:24d3eb812fd4 71
JMF 0:24d3eb812fd4 72 TCPSocket sock(&net);
JMF 0:24d3eb812fd4 73 SocketAddress tcp_addr(ipbuf, port);
JMF 0:24d3eb812fd4 74 if (sock.connect(tcp_addr) == 0) {
JMF 0:24d3eb812fd4 75 printf("HTTP: Connected to %s:%d\r\n", ipbuf, port);
JMF 0:24d3eb812fd4 76 printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
JMF 0:24d3eb812fd4 77 printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
JMF 0:24d3eb812fd4 78
JMF 0:24d3eb812fd4 79 prep_buffer(tx_buffer, sizeof(tx_buffer));
JMF 0:24d3eb812fd4 80 sock.send(tx_buffer, sizeof(tx_buffer));
JMF 0:24d3eb812fd4 81 printf("MBED: Finished sending\r\n");
JMF 0:24d3eb812fd4 82 // Server will respond with HTTP GET's success code
JMF 0:24d3eb812fd4 83 const int ret = sock.recv(rx_buffer, sizeof(rx_buffer));
JMF 0:24d3eb812fd4 84 printf("MBED: Finished receiving\r\n");
JMF 0:24d3eb812fd4 85
JMF 0:24d3eb812fd4 86 result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
JMF 0:24d3eb812fd4 87 TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
JMF 0:24d3eb812fd4 88 TEST_ASSERT_EQUAL(true, result);
JMF 0:24d3eb812fd4 89 }
JMF 0:24d3eb812fd4 90
JMF 0:24d3eb812fd4 91 sock.close();
JMF 0:24d3eb812fd4 92 net.disconnect();
JMF 0:24d3eb812fd4 93 TEST_ASSERT_EQUAL(true, result);
JMF 0:24d3eb812fd4 94 }
JMF 0:24d3eb812fd4 95
JMF 0:24d3eb812fd4 96
JMF 0:24d3eb812fd4 97 // Test setup
JMF 0:24d3eb812fd4 98 utest::v1::status_t test_setup(const size_t number_of_cases) {
JMF 0:24d3eb812fd4 99 GREENTEA_SETUP(120, "tcp_echo");
JMF 0:24d3eb812fd4 100 return verbose_test_setup_handler(number_of_cases);
JMF 0:24d3eb812fd4 101 }
JMF 0:24d3eb812fd4 102
JMF 0:24d3eb812fd4 103 Case cases[] = {
JMF 0:24d3eb812fd4 104 Case("TCP echo", test_tcp_echo),
JMF 0:24d3eb812fd4 105 };
JMF 0:24d3eb812fd4 106
JMF 0:24d3eb812fd4 107 Specification specification(test_setup, cases);
JMF 0:24d3eb812fd4 108
JMF 0:24d3eb812fd4 109 int main() {
JMF 0:24d3eb812fd4 110 return !Harness::run(specification);
JMF 0:24d3eb812fd4 111 }
JMF 0:24d3eb812fd4 112