Nuvoton / Mbed OS NuMaker-mbed-wifi-tcp

NuMaker WiFi TCP Example

main.cpp@12:7accee7d9220, 2018-01-10 (annotated)

Committer:
ccli8
Date:
Wed Jan 10 14:21:46 2018 +0800
Revision:
12:7accee7d9220
Parent:
11:658411c71934
Child:
13:be6ec74c5987
Remove TEST_ASSERT_TRUE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cyliang 0:2198c8de64fe 1
cyliang 0:2198c8de64fe 2 #include <algorithm>
cyliang 0:2198c8de64fe 3 #include "mbed.h"
cyliang 0:2198c8de64fe 4 #include "TCPSocket.h"
cyliang 0:2198c8de64fe 5 #include "unity/unity.h"
cyliang 0:2198c8de64fe 6
cyliang 0:2198c8de64fe 7 #ifndef __CC_ARM
cyliang 0:2198c8de64fe 8 #ifdef __GNUC__
cyliang 0:2198c8de64fe 9 extern "C" caddr_t _sbrk(int incr);
cyliang 0:2198c8de64fe 10 #endif
cyliang 0:2198c8de64fe 11 #endif
cyliang 0:2198c8de64fe 12
cyliang 0:2198c8de64fe 13
cyliang 0:2198c8de64fe 14 //#define LOCAL_LAN
cyliang 0:2198c8de64fe 15
cyliang 0:2198c8de64fe 16 #define ETHERNET 1
cyliang 0:2198c8de64fe 17 #define WIFI 2
cyliang 0:2198c8de64fe 18 #define MESH_LOWPAN_ND 3
cyliang 0:2198c8de64fe 19 #define MESH_THREAD 4
cyliang 0:2198c8de64fe 20
cyliang 0:2198c8de64fe 21 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
cyliang 0:2198c8de64fe 22 #include "ESP8266Interface.h"
cyliang 0:2198c8de64fe 23 ESP8266Interface esp(D1, D0);
cyliang 0:2198c8de64fe 24 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 25 #include "EthernetInterface.h"
cyliang 0:2198c8de64fe 26 EthernetInterface eth;
cyliang 0:2198c8de64fe 27 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
cyliang 0:2198c8de64fe 28 #define MESH
cyliang 0:2198c8de64fe 29 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 30 LoWPANNDInterface mesh;
cyliang 0:2198c8de64fe 31 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
cyliang 0:2198c8de64fe 32 #define MESH
cyliang 0:2198c8de64fe 33 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 34 ThreadInterface mesh;
cyliang 0:2198c8de64fe 35 #endif
cyliang 0:2198c8de64fe 36
cyliang 0:2198c8de64fe 37 namespace {
cyliang 0:2198c8de64fe 38 // Test connection information
cyliang 0:2198c8de64fe 39 #ifndef LOCAL_LAN
ccli8 11:658411c71934 40 const char *HTTP_SERVER_NAME = "os.mbed.com";
cyliang 0:2198c8de64fe 41 #else
cyliang 0:2198c8de64fe 42 const char *HTTP_SERVER_NAME = "pt22_winserver2.nuvoton.com";
cyliang 0:2198c8de64fe 43 #endif
cyliang 0:2198c8de64fe 44
cyliang 0:2198c8de64fe 45 #ifndef LOCAL_LAN
cyliang 0:2198c8de64fe 46 const char *HTTP_SERVER_FILE_PATH = "/media/uploads/mbed_official/hello.txt";
cyliang 0:2198c8de64fe 47 const int HTTP_SERVER_PORT = 80;
cyliang 0:2198c8de64fe 48 #else
cyliang 0:2198c8de64fe 49 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/hello.txt";
cyliang 0:2198c8de64fe 50 const int HTTP_SERVER_PORT = 8080;
cyliang 0:2198c8de64fe 51 #endif
cyliang 0:2198c8de64fe 52
cyliang 0:2198c8de64fe 53
cyliang 0:2198c8de64fe 54 const int RECV_BUFFER_SIZE = 512;
cyliang 0:2198c8de64fe 55
cyliang 0:2198c8de64fe 56 // Test related data
cyliang 0:2198c8de64fe 57 const char *HTTP_OK_STR = "200 OK";
cyliang 0:2198c8de64fe 58 const char *HTTP_HELLO_STR = "Hello world!";
cyliang 0:2198c8de64fe 59
cyliang 0:2198c8de64fe 60 // Test buffers
cyliang 0:2198c8de64fe 61 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:2198c8de64fe 62 }
cyliang 0:2198c8de64fe 63
cyliang 0:2198c8de64fe 64 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:2198c8de64fe 65 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:2198c8de64fe 66 return (f != last);
cyliang 0:2198c8de64fe 67 }
cyliang 0:2198c8de64fe 68
cyliang 0:2198c8de64fe 69
cyliang 0:2198c8de64fe 70 Serial output(USBTX, USBRX);
cyliang 0:2198c8de64fe 71
cyliang 0:2198c8de64fe 72 int main() {
cyliang 0:2198c8de64fe 73 // Sets the console baud-rate
cyliang 0:2198c8de64fe 74 output.baud(115200);
cyliang 0:2198c8de64fe 75 output.printf(" Start WiFi test \r\n");
cyliang 0:2198c8de64fe 76
cyliang 0:2198c8de64fe 77 bool result = true;
cyliang 0:2198c8de64fe 78 int rc = 0;
cyliang 0:2198c8de64fe 79
cyliang 0:2198c8de64fe 80 #ifndef __CC_ARM
cyliang 0:2198c8de64fe 81 #ifdef __GNUC__
cyliang 0:2198c8de64fe 82 output.printf("sbrk=%x:\r\n", (unsigned int)_sbrk(0));
cyliang 0:2198c8de64fe 83 #endif
cyliang 0:2198c8de64fe 84 #endif
cyliang 0:2198c8de64fe 85 output.printf(" Start Connection ... \r\n");
cyliang 0:2198c8de64fe 86
cyliang 0:2198c8de64fe 87
cyliang 0:2198c8de64fe 88 NetworkInterface *network_interface = 0;
cyliang 0:2198c8de64fe 89
cyliang 0:2198c8de64fe 90 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
cyliang 0:2198c8de64fe 91 output.printf("\n\rUsing WiFi \r\n");
cyliang 0:2198c8de64fe 92 output.printf("\n\rConnecting to WiFi..\r\n");
cyliang 0:2198c8de64fe 93 rc = esp.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD);
cyliang 0:2198c8de64fe 94 network_interface = &esp;
cyliang 0:2198c8de64fe 95 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 96 output.printf("Using Ethernet\r\n");
cyliang 0:2198c8de64fe 97 rc = eth.connect();
cyliang 0:2198c8de64fe 98 network_interface = &eth;
cyliang 0:2198c8de64fe 99 #endif
cyliang 0:2198c8de64fe 100 #ifdef MESH
cyliang 0:2198c8de64fe 101 output.printf("Using Mesh\r\n");
cyliang 0:2198c8de64fe 102 output.printf("\n\rConnecting to Mesh..\r\n");
cyliang 0:2198c8de64fe 103 rc = mesh.connect();
cyliang 0:2198c8de64fe 104 network_interface = &mesh;
cyliang 0:2198c8de64fe 105 #endif
cyliang 0:2198c8de64fe 106
cyliang 0:2198c8de64fe 107 if(rc == 0) {
cyliang 0:2198c8de64fe 108 output.printf("\n\rConnected to Network successfully\r\n");
cyliang 0:2198c8de64fe 109 } else {
cyliang 0:2198c8de64fe 110 output.printf("\n\rConnection to Network Failed %d! Exiting application....\r\n", rc);
cyliang 0:2198c8de64fe 111 return 0;
cyliang 0:2198c8de64fe 112 }
cyliang 0:2198c8de64fe 113
cyliang 0:2198c8de64fe 114 output.printf("TCP client IP Address is %s\r\n", network_interface->get_ip_address());
cyliang 0:2198c8de64fe 115
cyliang 0:2198c8de64fe 116 TCPSocket sock(network_interface);
cyliang 0:2198c8de64fe 117 output.printf(" HTTP Connection ... \r\n");
cyliang 0:2198c8de64fe 118 if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
cyliang 0:2198c8de64fe 119 output.printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 0:2198c8de64fe 120
cyliang 0:2198c8de64fe 121 // We are constructing GET command like this:
cyliang 0:2198c8de64fe 122 // GET http://developer.mbed.org/media/uploads/mbed_official/hello.txt HTTP/1.0\n\n
cyliang 0:2198c8de64fe 123 strcpy(buffer, "GET http://");
cyliang 0:2198c8de64fe 124 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:2198c8de64fe 125 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 0:2198c8de64fe 126 strcat(buffer, " HTTP/1.0\n\n");
cyliang 0:2198c8de64fe 127 // Send GET command
cyliang 0:2198c8de64fe 128 sock.send(buffer, strlen(buffer));
cyliang 0:2198c8de64fe 129
cyliang 0:2198c8de64fe 130 // Server will respond with HTTP GET's success code
cyliang 0:2198c8de64fe 131 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:2198c8de64fe 132 buffer[ret] = '\0';
cyliang 0:2198c8de64fe 133
cyliang 0:2198c8de64fe 134 // Find 200 OK HTTP status in reply
cyliang 0:2198c8de64fe 135 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
cyliang 0:2198c8de64fe 136 // Find "Hello World!" string in reply
cyliang 0:2198c8de64fe 137 bool found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
cyliang 0:2198c8de64fe 138
cyliang 0:2198c8de64fe 139 if (!found_200_ok) result = false;
cyliang 0:2198c8de64fe 140 if (!found_hello) result = false;
cyliang 0:2198c8de64fe 141
cyliang 0:2198c8de64fe 142 output.printf("HTTP: Received %d chars from server\r\n", ret);
cyliang 0:2198c8de64fe 143 output.printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
cyliang 0:2198c8de64fe 144 output.printf("HTTP: Received '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
cyliang 0:2198c8de64fe 145 output.printf("HTTP: Received massage:\r\n\r\n");
cyliang 0:2198c8de64fe 146 output.printf("%s", buffer);
cyliang 0:2198c8de64fe 147 }
cyliang 0:2198c8de64fe 148
cyliang 0:2198c8de64fe 149 #ifndef __CC_ARM
cyliang 0:2198c8de64fe 150 #ifdef __GNUC__
cyliang 0:2198c8de64fe 151 output.printf("sbrk=%x:\r\n", (unsigned int)_sbrk(0));
cyliang 0:2198c8de64fe 152 #endif
cyliang 0:2198c8de64fe 153 #endif
cyliang 0:2198c8de64fe 154 output.printf(" Close socket & disconnect ... \r\n");
cyliang 0:2198c8de64fe 155 sock.close();
cyliang 0:2198c8de64fe 156
cyliang 0:2198c8de64fe 157 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
cyliang 0:2198c8de64fe 158 ((ESP8266Interface *)network_interface)->disconnect();
cyliang 0:2198c8de64fe 159 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 160 ((EthernetInterface *)network_interface)->disconnect();
cyliang 0:2198c8de64fe 161 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
cyliang 0:2198c8de64fe 162 ((LoWPANNDInterface *)network_interface)->disconnect();
cyliang 0:2198c8de64fe 163 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
cyliang 0:2198c8de64fe 164 ((ThreadInterface *)network_interface)->disconnect();
cyliang 0:2198c8de64fe 165 #endif
cyliang 0:2198c8de64fe 166 output.printf(" End \r\n");
cyliang 0:2198c8de64fe 167 }