Nuvoton / Mbed OS NuMaker-mbed-wifi-tcp

NuMaker WiFi TCP Example

main.cpp@17:9d31fd2023fd, 2018-09-26 (annotated)

Committer:
ccli8
Date:
Wed Sep 26 11:37:14 2018 +0800
Revision:
17:9d31fd2023fd
Parent:
16:f705110e6c04
Child:
19:79f168fa9a8a
Remove unnecessary include header file unity.h

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"
ccli8 15:32a6a29ffcb3 4 #include "mbed_stats.h"
cyliang 0:2198c8de64fe 5 #include "TCPSocket.h"
cyliang 0:2198c8de64fe 6
cyliang 0:2198c8de64fe 7
cyliang 0:2198c8de64fe 8 //#define LOCAL_LAN
cyliang 0:2198c8de64fe 9
cyliang 0:2198c8de64fe 10 #define ETHERNET 1
cyliang 0:2198c8de64fe 11 #define WIFI 2
cyliang 0:2198c8de64fe 12 #define MESH_LOWPAN_ND 3
cyliang 0:2198c8de64fe 13 #define MESH_THREAD 4
cyliang 0:2198c8de64fe 14
cyliang 0:2198c8de64fe 15 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 16:f705110e6c04 16 #define ESP8266_AT_ONBOARD 1 // On-board ESP8266
ccli8 16:f705110e6c04 17 #define ESP8266_AT_EXTERN 2 // External ESP8266 through UNO D1/D0
ccli8 16:f705110e6c04 18
ccli8 16:f705110e6c04 19 #define ESP8266_AT_SEL ESP8266_AT_ONBOARD
ccli8 16:f705110e6c04 20 #endif
ccli8 16:f705110e6c04 21
ccli8 16:f705110e6c04 22 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
cyliang 0:2198c8de64fe 23 #include "ESP8266Interface.h"
ccli8 16:f705110e6c04 24 # if ESP8266_AT_SEL == ESP8266_AT_ONBOARD
ccli8 16:f705110e6c04 25 # if TARGET_NUMAKER_IOT_M487
ccli8 16:f705110e6c04 26 DigitalOut esp_rst(PH_3, 0); // Simulate reset button pressed
ccli8 16:f705110e6c04 27 ESP8266Interface esp(PH_8, PH_9);
ccli8 16:f705110e6c04 28 # elif TARGET_NUMAKER_PFM_M2351
ccli8 16:f705110e6c04 29 DigitalIn esp_gpio0(PD_6); // Go boot mode by default
ccli8 16:f705110e6c04 30 // User can change to F/W update mode by short'ing ESP8266 GPIO0/GND
ccli8 16:f705110e6c04 31 // before power-on
ccli8 16:f705110e6c04 32 DigitalOut esp_pwr_off(PD_7, 1); // Disable power to on-board ESP8266
ccli8 16:f705110e6c04 33 ESP8266Interface esp(PD_1, PD_0);
ccli8 16:f705110e6c04 34 # endif
ccli8 16:f705110e6c04 35 # elif ESP8266_AT_SEL == ESP8266_AT_EXTERN
cyliang 0:2198c8de64fe 36 ESP8266Interface esp(D1, D0);
ccli8 16:f705110e6c04 37 # endif
cyliang 0:2198c8de64fe 38 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 39 #include "EthernetInterface.h"
cyliang 0:2198c8de64fe 40 EthernetInterface eth;
cyliang 0:2198c8de64fe 41 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
cyliang 0:2198c8de64fe 42 #define MESH
cyliang 0:2198c8de64fe 43 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 44 LoWPANNDInterface mesh;
cyliang 0:2198c8de64fe 45 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
cyliang 0:2198c8de64fe 46 #define MESH
cyliang 0:2198c8de64fe 47 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 48 ThreadInterface mesh;
cyliang 0:2198c8de64fe 49 #endif
cyliang 0:2198c8de64fe 50
cyliang 0:2198c8de64fe 51 namespace {
cyliang 0:2198c8de64fe 52 // Test connection information
cyliang 0:2198c8de64fe 53 #ifndef LOCAL_LAN
ccli8 11:658411c71934 54 const char *HTTP_SERVER_NAME = "os.mbed.com";
cyliang 0:2198c8de64fe 55 #else
cyliang 0:2198c8de64fe 56 const char *HTTP_SERVER_NAME = "pt22_winserver2.nuvoton.com";
cyliang 0:2198c8de64fe 57 #endif
cyliang 0:2198c8de64fe 58
cyliang 0:2198c8de64fe 59 #ifndef LOCAL_LAN
cyliang 0:2198c8de64fe 60 const char *HTTP_SERVER_FILE_PATH = "/media/uploads/mbed_official/hello.txt";
cyliang 0:2198c8de64fe 61 const int HTTP_SERVER_PORT = 80;
cyliang 0:2198c8de64fe 62 #else
cyliang 0:2198c8de64fe 63 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/hello.txt";
cyliang 0:2198c8de64fe 64 const int HTTP_SERVER_PORT = 8080;
cyliang 0:2198c8de64fe 65 #endif
cyliang 0:2198c8de64fe 66
cyliang 0:2198c8de64fe 67
cyliang 0:2198c8de64fe 68 const int RECV_BUFFER_SIZE = 512;
cyliang 0:2198c8de64fe 69
cyliang 0:2198c8de64fe 70 // Test related data
cyliang 0:2198c8de64fe 71 const char *HTTP_OK_STR = "200 OK";
cyliang 0:2198c8de64fe 72 const char *HTTP_HELLO_STR = "Hello world!";
cyliang 0:2198c8de64fe 73
cyliang 0:2198c8de64fe 74 // Test buffers
cyliang 0:2198c8de64fe 75 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:2198c8de64fe 76 }
cyliang 0:2198c8de64fe 77
cyliang 0:2198c8de64fe 78 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:2198c8de64fe 79 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:2198c8de64fe 80 return (f != last);
cyliang 0:2198c8de64fe 81 }
cyliang 0:2198c8de64fe 82
cyliang 0:2198c8de64fe 83
cyliang 0:2198c8de64fe 84 Serial output(USBTX, USBRX);
cyliang 0:2198c8de64fe 85
cyliang 0:2198c8de64fe 86 int main() {
ccli8 16:f705110e6c04 87 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 16:f705110e6c04 88 # if ESP8266_AT_SEL == ESP8266_AT_ONBOARD
ccli8 16:f705110e6c04 89 # if TARGET_NUMAKER_IOT_M487
ccli8 16:f705110e6c04 90 wait_ms(5);
ccli8 16:f705110e6c04 91 esp_rst = 1; // Simulate reset button released
ccli8 16:f705110e6c04 92 wait_ms(5);
ccli8 16:f705110e6c04 93 # elif TARGET_NUMAKER_PFM_M2351
ccli8 16:f705110e6c04 94 wait_ms(50);
ccli8 16:f705110e6c04 95 esp_pwr_off = 0; // Turn on on-board ESP8266
ccli8 16:f705110e6c04 96 wait_ms(50);
ccli8 16:f705110e6c04 97 # endif
ccli8 16:f705110e6c04 98 # endif
ccli8 16:f705110e6c04 99 #endif
ccli8 16:f705110e6c04 100
ccli8 15:32a6a29ffcb3 101 #if MBED_HEAP_STATS_ENABLED
ccli8 15:32a6a29ffcb3 102 mbed_stats_heap_t heap_stats;
ccli8 15:32a6a29ffcb3 103 #endif
ccli8 15:32a6a29ffcb3 104
cyliang 0:2198c8de64fe 105 // Sets the console baud-rate
cyliang 0:2198c8de64fe 106 output.baud(115200);
cyliang 0:2198c8de64fe 107 output.printf(" Start WiFi test \r\n");
cyliang 0:2198c8de64fe 108
cyliang 0:2198c8de64fe 109 bool result = true;
ccli8 15:32a6a29ffcb3 110 int rc = 0;
cyliang 0:2198c8de64fe 111
cyliang 0:2198c8de64fe 112 output.printf(" Start Connection ... \r\n");
cyliang 0:2198c8de64fe 113
cyliang 0:2198c8de64fe 114
cyliang 0:2198c8de64fe 115 NetworkInterface *network_interface = 0;
cyliang 0:2198c8de64fe 116
cyliang 0:2198c8de64fe 117 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
cyliang 0:2198c8de64fe 118 output.printf("\n\rUsing WiFi \r\n");
cyliang 0:2198c8de64fe 119 output.printf("\n\rConnecting to WiFi..\r\n");
cyliang 13:be6ec74c5987 120 rc = esp.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
cyliang 0:2198c8de64fe 121 network_interface = &esp;
cyliang 0:2198c8de64fe 122 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 123 output.printf("Using Ethernet\r\n");
cyliang 0:2198c8de64fe 124 rc = eth.connect();
cyliang 0:2198c8de64fe 125 network_interface = &eth;
cyliang 0:2198c8de64fe 126 #endif
cyliang 0:2198c8de64fe 127 #ifdef MESH
cyliang 0:2198c8de64fe 128 output.printf("Using Mesh\r\n");
cyliang 0:2198c8de64fe 129 output.printf("\n\rConnecting to Mesh..\r\n");
cyliang 0:2198c8de64fe 130 rc = mesh.connect();
cyliang 0:2198c8de64fe 131 network_interface = &mesh;
cyliang 0:2198c8de64fe 132 #endif
cyliang 0:2198c8de64fe 133
cyliang 0:2198c8de64fe 134 if(rc == 0) {
cyliang 0:2198c8de64fe 135 output.printf("\n\rConnected to Network successfully\r\n");
cyliang 0:2198c8de64fe 136 } else {
cyliang 0:2198c8de64fe 137 output.printf("\n\rConnection to Network Failed %d! Exiting application....\r\n", rc);
cyliang 0:2198c8de64fe 138 return 0;
cyliang 0:2198c8de64fe 139 }
cyliang 0:2198c8de64fe 140
cyliang 0:2198c8de64fe 141 output.printf("TCP client IP Address is %s\r\n", network_interface->get_ip_address());
cyliang 0:2198c8de64fe 142
cyliang 0:2198c8de64fe 143 TCPSocket sock(network_interface);
cyliang 0:2198c8de64fe 144 output.printf(" HTTP Connection ... \r\n");
cyliang 0:2198c8de64fe 145 if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
cyliang 0:2198c8de64fe 146 output.printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 0:2198c8de64fe 147
cyliang 0:2198c8de64fe 148 // We are constructing GET command like this:
cyliang 0:2198c8de64fe 149 // GET http://developer.mbed.org/media/uploads/mbed_official/hello.txt HTTP/1.0\n\n
cyliang 0:2198c8de64fe 150 strcpy(buffer, "GET http://");
cyliang 0:2198c8de64fe 151 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:2198c8de64fe 152 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 0:2198c8de64fe 153 strcat(buffer, " HTTP/1.0\n\n");
cyliang 0:2198c8de64fe 154 // Send GET command
cyliang 0:2198c8de64fe 155 sock.send(buffer, strlen(buffer));
cyliang 0:2198c8de64fe 156
cyliang 0:2198c8de64fe 157 // Server will respond with HTTP GET's success code
cyliang 0:2198c8de64fe 158 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:2198c8de64fe 159 buffer[ret] = '\0';
cyliang 0:2198c8de64fe 160
cyliang 0:2198c8de64fe 161 // Find 200 OK HTTP status in reply
cyliang 0:2198c8de64fe 162 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
cyliang 0:2198c8de64fe 163 // Find "Hello World!" string in reply
cyliang 0:2198c8de64fe 164 bool found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
cyliang 0:2198c8de64fe 165
cyliang 0:2198c8de64fe 166 if (!found_200_ok) result = false;
cyliang 0:2198c8de64fe 167 if (!found_hello) result = false;
cyliang 0:2198c8de64fe 168
cyliang 0:2198c8de64fe 169 output.printf("HTTP: Received %d chars from server\r\n", ret);
cyliang 0:2198c8de64fe 170 output.printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
cyliang 0:2198c8de64fe 171 output.printf("HTTP: Received '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
cyliang 0:2198c8de64fe 172 output.printf("HTTP: Received massage:\r\n\r\n");
cyliang 0:2198c8de64fe 173 output.printf("%s", buffer);
cyliang 0:2198c8de64fe 174 }
cyliang 0:2198c8de64fe 175
ccli8 15:32a6a29ffcb3 176 #if MBED_HEAP_STATS_ENABLED
ccli8 15:32a6a29ffcb3 177 mbed_stats_heap_get(&heap_stats);
ccli8 15:32a6a29ffcb3 178 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 15:32a6a29ffcb3 179 printf("Max heap size: %lu\r\n", heap_stats.max_size);
cyliang 0:2198c8de64fe 180 #endif
ccli8 15:32a6a29ffcb3 181
cyliang 0:2198c8de64fe 182 output.printf(" Close socket & disconnect ... \r\n");
cyliang 0:2198c8de64fe 183 sock.close();
cyliang 0:2198c8de64fe 184
cyliang 0:2198c8de64fe 185 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 15:32a6a29ffcb3 186 esp.disconnect();
cyliang 0:2198c8de64fe 187 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
ccli8 15:32a6a29ffcb3 188 eth.disconnect();
cyliang 0:2198c8de64fe 189 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
ccli8 15:32a6a29ffcb3 190 mesh.disconnect();
cyliang 0:2198c8de64fe 191 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
ccli8 15:32a6a29ffcb3 192 mesh.disconnect();
cyliang 0:2198c8de64fe 193 #endif
cyliang 0:2198c8de64fe 194 output.printf(" End \r\n");
cyliang 0:2198c8de64fe 195 }