Nuvoton / Mbed OS NuMaker-mbed-wifi-tcp

NuMaker WiFi TCP Example

main.cpp@23:dc536ce49b37, 2019-10-08 (annotated)

Committer:
ccli8
Date:
Tue Oct 08 15:40:04 2019 +0800
Revision:
23:dc536ce49b37
Parent:
22:6d0bb671f937
Child:
24:38e186a10abe
Fix M2351 target naming with mbed-os 5.14

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 0:2198c8de64fe 7 //#define LOCAL_LAN
cyliang 0:2198c8de64fe 8
cyliang 0:2198c8de64fe 9 #define ETHERNET 1
cyliang 0:2198c8de64fe 10 #define WIFI 2
cyliang 0:2198c8de64fe 11 #define MESH_LOWPAN_ND 3
cyliang 0:2198c8de64fe 12 #define MESH_THREAD 4
cyliang 0:2198c8de64fe 13
cyliang 0:2198c8de64fe 14 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 16:f705110e6c04 15 #define ESP8266_AT_ONBOARD 1 // On-board ESP8266
ccli8 16:f705110e6c04 16 #define ESP8266_AT_EXTERN 2 // External ESP8266 through UNO D1/D0
ccli8 16:f705110e6c04 17
ccli8 19:79f168fa9a8a 18 #ifndef ESP8266_AT_SEL
ccli8 19:79f168fa9a8a 19 #error("ESP8266_AT_SEL missing. Select ESP8266 on-board/external.")
ccli8 16:f705110e6c04 20 #endif
ccli8 16:f705110e6c04 21
cyliang 0:2198c8de64fe 22 #include "ESP8266Interface.h"
ccli8 16:f705110e6c04 23 # if ESP8266_AT_SEL == ESP8266_AT_ONBOARD
ccli8 16:f705110e6c04 24 # if TARGET_NUMAKER_IOT_M487
ccli8 16:f705110e6c04 25 DigitalOut esp_rst(PH_3, 0); // Simulate reset button pressed
ccli8 16:f705110e6c04 26 ESP8266Interface esp(PH_8, PH_9);
ccli8 23:dc536ce49b37 27 # elif TARGET_NU_PFM_M2351_NPSA_NS
ccli8 16:f705110e6c04 28 DigitalIn esp_gpio0(PD_6); // Go boot mode by default
ccli8 16:f705110e6c04 29 // User can change to F/W update mode by short'ing ESP8266 GPIO0/GND
ccli8 16:f705110e6c04 30 // before power-on
ccli8 16:f705110e6c04 31 DigitalOut esp_pwr_off(PD_7, 1); // Disable power to on-board ESP8266
ccli8 16:f705110e6c04 32 ESP8266Interface esp(PD_1, PD_0);
cyliang 22:6d0bb671f937 33 # elif TARGET_NUMAKER_IOT_M263A
cyliang 22:6d0bb671f937 34 ESP8266Interface esp(PC_7, PC_6, false, PE_13, PC_8, PE_12);
cyliang 22:6d0bb671f937 35 //ESP8266Interface esp(PC_7, PC_6, false, PE_13, PC_8, NC);
cyliang 22:6d0bb671f937 36 //ESP8266Interface esp(PC_7, PC_6);
ccli8 16:f705110e6c04 37 # endif
ccli8 16:f705110e6c04 38 # elif ESP8266_AT_SEL == ESP8266_AT_EXTERN
cyliang 0:2198c8de64fe 39 ESP8266Interface esp(D1, D0);
ccli8 16:f705110e6c04 40 # endif
cyliang 0:2198c8de64fe 41 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
cyliang 0:2198c8de64fe 42 #include "EthernetInterface.h"
cyliang 0:2198c8de64fe 43 EthernetInterface eth;
cyliang 0:2198c8de64fe 44 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
cyliang 0:2198c8de64fe 45 #define MESH
cyliang 0:2198c8de64fe 46 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 47 LoWPANNDInterface mesh;
cyliang 0:2198c8de64fe 48 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
cyliang 0:2198c8de64fe 49 #define MESH
cyliang 0:2198c8de64fe 50 #include "NanostackInterface.h"
cyliang 0:2198c8de64fe 51 ThreadInterface mesh;
cyliang 0:2198c8de64fe 52 #endif
cyliang 0:2198c8de64fe 53
cyliang 0:2198c8de64fe 54 namespace {
cyliang 0:2198c8de64fe 55 // Test connection information
cyliang 0:2198c8de64fe 56 #ifndef LOCAL_LAN
cyliang 20:41c819860b4d 57 const char *HTTP_SERVER_NAME = "www.ifconfig.io";
cyliang 0:2198c8de64fe 58 #else
cyliang 0:2198c8de64fe 59 const char *HTTP_SERVER_NAME = "pt22_winserver2.nuvoton.com";
cyliang 0:2198c8de64fe 60 #endif
cyliang 0:2198c8de64fe 61
cyliang 0:2198c8de64fe 62 #ifndef LOCAL_LAN
cyliang 20:41c819860b4d 63 const char *HTTP_SERVER_FILE_PATH = "/method";
cyliang 0:2198c8de64fe 64 const int HTTP_SERVER_PORT = 80;
cyliang 0:2198c8de64fe 65 #else
cyliang 20:41c819860b4d 66 const char *HTTP_SERVER_FILE_PATH = "/examples/arm_mbed/method.txt";
cyliang 0:2198c8de64fe 67 const int HTTP_SERVER_PORT = 8080;
cyliang 0:2198c8de64fe 68 #endif
cyliang 0:2198c8de64fe 69
cyliang 0:2198c8de64fe 70
cyliang 0:2198c8de64fe 71 const int RECV_BUFFER_SIZE = 512;
cyliang 0:2198c8de64fe 72
cyliang 0:2198c8de64fe 73 // Test related data
cyliang 0:2198c8de64fe 74 const char *HTTP_OK_STR = "200 OK";
cyliang 20:41c819860b4d 75 const char *HTTP_EXPECT_STR = "GET";
cyliang 0:2198c8de64fe 76
cyliang 0:2198c8de64fe 77 // Test buffers
cyliang 0:2198c8de64fe 78 char buffer[RECV_BUFFER_SIZE] = {0};
cyliang 0:2198c8de64fe 79 }
cyliang 0:2198c8de64fe 80
cyliang 0:2198c8de64fe 81 bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
cyliang 0:2198c8de64fe 82 const char *f = std::search(first, last, s_first, s_last);
cyliang 0:2198c8de64fe 83 return (f != last);
cyliang 0:2198c8de64fe 84 }
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 23:dc536ce49b37 93 # elif TARGET_NU_PFM_M2351_NPSA_NS
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
ccli8 19:79f168fa9a8a 105 printf("Start WiFi test \r\n");
cyliang 0:2198c8de64fe 106
cyliang 0:2198c8de64fe 107 bool result = true;
ccli8 15:32a6a29ffcb3 108 int rc = 0;
cyliang 0:2198c8de64fe 109
ccli8 19:79f168fa9a8a 110 printf("Start Connection ... \r\n");
cyliang 0:2198c8de64fe 111
cyliang 0:2198c8de64fe 112
cyliang 0:2198c8de64fe 113 NetworkInterface *network_interface = 0;
cyliang 0:2198c8de64fe 114
cyliang 0:2198c8de64fe 115 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 19:79f168fa9a8a 116 printf("\n\rUsing WiFi \r\n");
ccli8 19:79f168fa9a8a 117 printf("\n\rConnecting to WiFi..\r\n");
cyliang 13:be6ec74c5987 118 rc = esp.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
cyliang 0:2198c8de64fe 119 network_interface = &esp;
cyliang 0:2198c8de64fe 120 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
ccli8 19:79f168fa9a8a 121 printf("Using Ethernet\r\n");
cyliang 0:2198c8de64fe 122 rc = eth.connect();
cyliang 0:2198c8de64fe 123 network_interface = &eth;
cyliang 0:2198c8de64fe 124 #endif
cyliang 0:2198c8de64fe 125 #ifdef MESH
ccli8 19:79f168fa9a8a 126 printf("Using Mesh\r\n");
ccli8 19:79f168fa9a8a 127 printf("\n\rConnecting to Mesh..\r\n");
cyliang 0:2198c8de64fe 128 rc = mesh.connect();
cyliang 0:2198c8de64fe 129 network_interface = &mesh;
cyliang 0:2198c8de64fe 130 #endif
cyliang 0:2198c8de64fe 131
cyliang 0:2198c8de64fe 132 if(rc == 0) {
ccli8 19:79f168fa9a8a 133 printf("\n\rConnected to Network successfully\r\n");
cyliang 0:2198c8de64fe 134 } else {
ccli8 19:79f168fa9a8a 135 printf("\n\rConnection to Network Failed %d! Exiting application....\r\n", rc);
cyliang 0:2198c8de64fe 136 return 0;
cyliang 0:2198c8de64fe 137 }
cyliang 0:2198c8de64fe 138
ccli8 19:79f168fa9a8a 139 printf("TCP client IP Address is %s\r\n", network_interface->get_ip_address());
cyliang 0:2198c8de64fe 140
cyliang 0:2198c8de64fe 141 TCPSocket sock(network_interface);
ccli8 19:79f168fa9a8a 142 printf(" HTTP Connection ... \r\n");
cyliang 0:2198c8de64fe 143 if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
ccli8 19:79f168fa9a8a 144 printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
cyliang 0:2198c8de64fe 145
cyliang 0:2198c8de64fe 146 // We are constructing GET command like this:
cyliang 21:662058dda3b1 147 #ifndef USE_HTTP_1_1
cyliang 20:41c819860b4d 148 // GET http://www.ifconfig.io/method HTTP/1.0\n\n
cyliang 0:2198c8de64fe 149 strcpy(buffer, "GET http://");
cyliang 0:2198c8de64fe 150 strcat(buffer, HTTP_SERVER_NAME);
cyliang 0:2198c8de64fe 151 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 21:662058dda3b1 152 strcat(buffer, " HTTP/1.0\n\n");
cyliang 21:662058dda3b1 153 #else
cyliang 21:662058dda3b1 154 // GET /method HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n"
cyliang 21:662058dda3b1 155 strcpy(buffer, "GET ");
cyliang 21:662058dda3b1 156 strcat(buffer, HTTP_SERVER_FILE_PATH);
cyliang 21:662058dda3b1 157 strcat(buffer, " HTTP/1.1\r\nHost: ");
cyliang 21:662058dda3b1 158 strcat(buffer, HTTP_SERVER_NAME);
cyliang 21:662058dda3b1 159 strcat(buffer, "\r\nConnection: close\r\n\r\n");
cyliang 21:662058dda3b1 160 #endif
cyliang 20:41c819860b4d 161
cyliang 0:2198c8de64fe 162 // Send GET command
cyliang 0:2198c8de64fe 163 sock.send(buffer, strlen(buffer));
cyliang 0:2198c8de64fe 164
cyliang 0:2198c8de64fe 165 // Server will respond with HTTP GET's success code
cyliang 0:2198c8de64fe 166 const int ret = sock.recv(buffer, sizeof(buffer) - 1);
cyliang 0:2198c8de64fe 167 buffer[ret] = '\0';
cyliang 20:41c819860b4d 168
cyliang 0:2198c8de64fe 169 // Find 200 OK HTTP status in reply
cyliang 0:2198c8de64fe 170 bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
cyliang 20:41c819860b4d 171 // Find "deny" string in reply
cyliang 20:41c819860b4d 172 bool found_expect = find_substring(buffer, buffer + ret, HTTP_EXPECT_STR, HTTP_EXPECT_STR + strlen(HTTP_EXPECT_STR));
cyliang 0:2198c8de64fe 173
cyliang 0:2198c8de64fe 174 if (!found_200_ok) result = false;
cyliang 20:41c819860b4d 175 if (!found_expect) result = false;
cyliang 0:2198c8de64fe 176
ccli8 19:79f168fa9a8a 177 printf("HTTP: Received %d chars from server\r\n", ret);
ccli8 19:79f168fa9a8a 178 printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
cyliang 20:41c819860b4d 179 printf("HTTP: Received '%s' status ... %s\r\n", HTTP_EXPECT_STR, found_expect ? "[OK]" : "[FAIL]");
ccli8 19:79f168fa9a8a 180 printf("HTTP: Received massage:\r\n\r\n");
ccli8 19:79f168fa9a8a 181 printf("%s", buffer);
cyliang 0:2198c8de64fe 182 }
cyliang 0:2198c8de64fe 183
ccli8 15:32a6a29ffcb3 184 #if MBED_HEAP_STATS_ENABLED
ccli8 15:32a6a29ffcb3 185 mbed_stats_heap_get(&heap_stats);
ccli8 15:32a6a29ffcb3 186 printf("Current heap: %lu\r\n", heap_stats.current_size);
ccli8 15:32a6a29ffcb3 187 printf("Max heap size: %lu\r\n", heap_stats.max_size);
cyliang 0:2198c8de64fe 188 #endif
ccli8 15:32a6a29ffcb3 189
ccli8 19:79f168fa9a8a 190 printf(" Close socket & disconnect ... \r\n");
cyliang 0:2198c8de64fe 191 sock.close();
cyliang 0:2198c8de64fe 192
cyliang 0:2198c8de64fe 193 #if MBED_CONF_APP_NETWORK_INTERFACE == WIFI
ccli8 15:32a6a29ffcb3 194 esp.disconnect();
cyliang 0:2198c8de64fe 195 #elif MBED_CONF_APP_NETWORK_INTERFACE == ETHERNET
ccli8 15:32a6a29ffcb3 196 eth.disconnect();
cyliang 0:2198c8de64fe 197 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_LOWPAN_ND
ccli8 15:32a6a29ffcb3 198 mesh.disconnect();
cyliang 0:2198c8de64fe 199 #elif MBED_CONF_APP_NETWORK_INTERFACE == MESH_THREAD
ccli8 15:32a6a29ffcb3 200 mesh.disconnect();
cyliang 0:2198c8de64fe 201 #endif
ccli8 19:79f168fa9a8a 202 printf(" End \r\n");
cyliang 0:2198c8de64fe 203 }