Nuvoton / Mbed OS NuMaker-mbed-wifi-tcp

NuMaker WiFi TCP Example

main.cpp@31:fa146660b113, 2020-11-12 (annotated)

Committer:
ccli8
Date:
Thu Nov 12 15:16:02 2020 +0800
Revision:
31:fa146660b113
Parent:
30:46a585864956 
Update to mbed-os 5.15.6 to support NuMaker-M2354 Ver 1.1 (MP chip)



NuMaker-M2354 Ver 1.1 (MP chip) must match mbed-os 5.15.6 and afterwards.

NuMaker-M2354 Ver 1.0 (test chip) must match mbed-os 5.15.5 and gets drprecated.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cyliang 0:2198c8de64fe 1 #include <algorithm>
cyliang 0:2198c8de64fe 2 #include "mbed.h"
ccli8 15:32a6a29ffcb3 3 #include "mbed_stats.h"
cyliang 0:2198c8de64fe 4 #include "TCPSocket.h"
cyliang 0:2198c8de64fe 5
cyliang 20:41c819860b4d 6 #define MBED_HEAP_STATS_ENABLED 1
cyliang 26:f5163fee2653 7 #define USE_HTTP_1_1
cyliang 0:2198c8de64fe 8 //#define LOCAL_LAN
cyliang 0:2198c8de64fe 9
cyliang 0:2198c8de64fe 10 namespace {
cyliang 0:2198c8de64fe 11 // Test connection information
cyliang 0:2198c8de64fe 12 #ifndef LOCAL_LAN
cyliang 20:41c819860b4d 13 const char *HTTP_SERVER_NAME = "www.ifconfig.io";
cyliang 0:2198c8de64fe 14 #else
cyliang 0:2198c8de64fe 15 const char *HTTP_SERVER_NAME = "pt22_winserver2.nuvoton.com";
cyliang 0:2198c8de64fe 16 #endif
cyliang 0:2198c8de64fe 17
cyliang 0:2198c8de64fe 18 #ifndef LOCAL_LAN
cyliang 20:41c819860b4d 19 const char *HTTP_SERVER_FILE_PATH = "/method";
cyliang 0:2198c8de64fe 20 const int HTTP_SERVER_PORT = 80;
cyliang 0:2198c8de64fe 21 #else
cyliang 20:41c819860b4d 22 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/method.txt";
cyliang 0:2198c8de64fe 23 const int HTTP_SERVER_PORT = 8080;
cyliang 0:2198c8de64fe 24 #endif
cyliang 0:2198c8de64fe 25
cyliang 0:2198c8de64fe 26
cyliang 0:2198c8de64fe 27 const int RECV_BUFFER_SIZE = 512;
cyliang 0:2198c8de64fe 28
cyliang 0:2198c8de64fe 29 // Test related data
cyliang 0:2198c8de64fe 30 const char *HTTP_OK_STR = "200 OK";
cyliang 20:41c819860b4d 31 const char *HTTP_EXPECT_STR = "GET";
cyliang 0:2198c8de64fe 32
cyliang 0:2198c8de64fe 33 // Test buffers
cyliang 0:2198c8de64fe 34 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:2198c8de64fe 35 }
cyliang 0:2198c8de64fe 36
cyliang 0:2198c8de64fe 37 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:2198c8de64fe 38 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:2198c8de64fe 39 return (f != last);
cyliang 0:2198c8de64fe 40 }
cyliang 0:2198c8de64fe 41
cyliang 0:2198c8de64fe 42 int main() {
ccli8 15:32a6a29ffcb3 43 #if MBED_HEAP_STATS_ENABLED
ccli8 15:32a6a29ffcb3 44 mbed_stats_heap_t heap_stats;
ccli8 15:32a6a29ffcb3 45 #endif
ccli8 15:32a6a29ffcb3 46
cyliang 30:46a585864956 47 #ifdef MBED_MAJOR_VERSION
cyliang 30:46a585864956 48 printf("Mbed OS version %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
cyliang 30:46a585864956 49 #endif
cyliang 30:46a585864956 50
ccli8 19:79f168fa9a8a 51 printf("Start WiFi test \r\n");
cyliang 0:2198c8de64fe 52
cyliang 0:2198c8de64fe 53 bool result = true;
ccli8 15:32a6a29ffcb3 54 int rc = 0;
cyliang 0:2198c8de64fe 55
ccli8 19:79f168fa9a8a 56 printf("Start Connection ... \r\n");
cyliang 0:2198c8de64fe 57
ccli8 24:38e186a10abe 58 NetworkInterface *network_interface = NetworkInterface::get_default_instance();
ccli8 24:38e186a10abe 59 if (NULL == network_interface) {
ccli8 24:38e186a10abe 60 printf("NULL network interface! Exiting application....\r\n");
ccli8 24:38e186a10abe 61 return 0;
ccli8 24:38e186a10abe 62 }
cyliang 0:2198c8de64fe 63
ccli8 19:79f168fa9a8a 64 printf("\n\rUsing WiFi \r\n");
ccli8 19:79f168fa9a8a 65 printf("\n\rConnecting to WiFi..\r\n");
ccli8 24:38e186a10abe 66 rc = network_interface->connect();
cyliang 0:2198c8de64fe 67 if(rc == 0) {
ccli8 19:79f168fa9a8a 68 printf("\n\rConnected to Network successfully\r\n");
cyliang 0:2198c8de64fe 69 } else {
ccli8 19:79f168fa9a8a 70 printf("\n\rConnection to Network Failed %d! Exiting application....\r\n", rc);
cyliang 0:2198c8de64fe 71 return 0;
cyliang 0:2198c8de64fe 72 }
cyliang 27:9b7ba5c587da 73
cyliang 27:9b7ba5c587da 74 SocketAddress a;
cyliang 27:9b7ba5c587da 75 network_interface->get_ip_address(&a);
cyliang 27:9b7ba5c587da 76 printf("TCP client IP Address is %s\r\n", a.get_ip_address());
cyliang 27:9b7ba5c587da 77
cyliang 27:9b7ba5c587da 78 //TCPSocket sock(network_interface);
cyliang 27:9b7ba5c587da 79 TCPSocket sock;
cyliang 27:9b7ba5c587da 80 sock.open(network_interface);
cyliang 0:2198c8de64fe 81
ccli8 19:79f168fa9a8a 82 printf(" HTTP Connection ... \r\n");
cyliang 27:9b7ba5c587da 83 network_interface->gethostbyname(HTTP_SERVER_NAME, &a);
cyliang 27:9b7ba5c587da 84 a.set_port(HTTP_SERVER_PORT);
cyliang 27:9b7ba5c587da 85 if (sock.connect(a) == 0) {
ccli8 19:79f168fa9a8a 86 printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 0:2198c8de64fe 87
cyliang 0:2198c8de64fe 88 // We are constructing GET command like this:
cyliang 21:662058dda3b1 89 #ifndef USE_HTTP_1_1
cyliang 20:41c819860b4d 90 // GET http://www.ifconfig.io/method HTTP/1.0\n\n
cyliang 0:2198c8de64fe 91 strcpy(buffer, "GET http://");
cyliang 0:2198c8de64fe 92 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:2198c8de64fe 93 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 21:662058dda3b1 94 strcat(buffer, " HTTP/1.0\n\n");
cyliang 21:662058dda3b1 95 #else
cyliang 21:662058dda3b1 96 // GET /method HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n"
cyliang 21:662058dda3b1 97 strcpy(buffer, "GET ");
cyliang 21:662058dda3b1 98 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 21:662058dda3b1 99 strcat(buffer, " HTTP/1.1\r\nHost: ");
cyliang 21:662058dda3b1 100 strcat(buffer, HTTP_SERVER_NAME);
cyliang 21:662058dda3b1 101 strcat(buffer, "\r\nConnection: close\r\n\r\n");
cyliang 21:662058dda3b1 102 #endif
cyliang 20:41c819860b4d 103
cyliang 0:2198c8de64fe 104 // Send GET command
cyliang 0:2198c8de64fe 105 sock.send(buffer, strlen(buffer));
cyliang 0:2198c8de64fe 106
cyliang 0:2198c8de64fe 107 // Server will respond with HTTP GET's success code
cyliang 0:2198c8de64fe 108 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:2198c8de64fe 109 buffer[ret] = '\0';
cyliang 20:41c819860b4d 110
cyliang 0:2198c8de64fe 111 // Find 200 OK HTTP status in reply
cyliang 0:2198c8de64fe 112 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
cyliang 20:41c819860b4d 113 // Find "deny" string in reply
cyliang 20:41c819860b4d 114 bool found_expect = find_substring(buffer, buffer + ret, HTTP_EXPECT_STR, HTTP_EXPECT_STR + strlen(HTTP_EXPECT_STR));
cyliang 0:2198c8de64fe 115
cyliang 0:2198c8de64fe 116 if (!found_200_ok) result = false;
cyliang 20:41c819860b4d 117 if (!found_expect) result = false;
cyliang 0:2198c8de64fe 118
ccli8 19:79f168fa9a8a 119 printf("HTTP: Received %d chars from server\r\n", ret);
ccli8 19:79f168fa9a8a 120 printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
cyliang 20:41c819860b4d 121 printf("HTTP: Received '%s' status ... %s\r\n", HTTP_EXPECT_STR, found_expect ? "[OK]" : "[FAIL]");
ccli8 19:79f168fa9a8a 122 printf("HTTP: Received massage:\r\n\r\n");
ccli8 19:79f168fa9a8a 123 printf("%s", buffer);
cyliang 0:2198c8de64fe 124 }
cyliang 0:2198c8de64fe 125
ccli8 15:32a6a29ffcb3 126 #if MBED_HEAP_STATS_ENABLED
ccli8 15:32a6a29ffcb3 127 mbed_stats_heap_get(&heap_stats);
ccli8 15:32a6a29ffcb3 128 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 15:32a6a29ffcb3 129 printf("Max heap size: %lu\r\n", heap_stats.max_size);
cyliang 0:2198c8de64fe 130 #endif
ccli8 15:32a6a29ffcb3 131
ccli8 19:79f168fa9a8a 132 printf(" Close socket & disconnect ... \r\n");
cyliang 0:2198c8de64fe 133 sock.close();
ccli8 24:38e186a10abe 134
ccli8 24:38e186a10abe 135 network_interface->disconnect();
ccli8 19:79f168fa9a8a 136 printf(" End \r\n");
cyliang 0:2198c8de64fe 137 }