A quick example of a simple WiFi application using the WiFi and network-socket APIs that is provided as a part of mbed-os.
Fork of mbed-os-example-mbed5-wifi by
Diff: main.cpp
- Revision:
- 56:bea82468efd3
- Parent:
- 44:63be19b7a3db
--- a/main.cpp Fri Feb 16 10:15:02 2018 +0000 +++ b/main.cpp Fri Mar 09 11:30:49 2018 +0000 @@ -16,11 +16,12 @@ #include "mbed.h" #include "TCPSocket.h" +#include "C12832.h" #define WIFI_ESP8266 1 #define WIFI_IDW0XX1 2 -#if TARGET_UBLOX_EVK_ODIN_W2 +#if 1 #include "OdinWiFiInterface.h" OdinWiFiInterface wifi; @@ -39,6 +40,16 @@ #endif // MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1 #endif +Serial pc(USBTX, USBRX); // tx, rx + +C12832 lcd(PE_14, PE_12, PD_12, PD_11, PE_9); + +void lcd_print(const char* message) +{ + lcd.cls(); + lcd.locate(0, 3); + pc.printf(message); +} const char *sec2str(nsapi_security_t sec) { @@ -63,7 +74,7 @@ { WiFiAccessPoint *ap; - printf("Scan:\n"); + pc.printf("Scan:\n"); int count = wifi->scan(NULL,0); @@ -72,13 +83,12 @@ ap = new WiFiAccessPoint[count]; count = wifi->scan(ap, count); - for (int i = 0; i < count; i++) - { - printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(), - sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], - ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); + for (int i = 0; i < count; i++) { + pc.printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(), + sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], + ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); } - printf("%d networks available.\n", count); + pc.printf("%d networks available.\n", count); delete[] ap; return count; @@ -104,8 +114,7 @@ char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n"; nsapi_size_t size = strlen(sbuffer); response = 0; - while(size) - { + while(size) { response = socket.send(sbuffer+response, size); if (response < 0) { printf("Error sending data: %d\n", response); @@ -135,22 +144,22 @@ { int count = 0; - printf("WiFi example\n\n"); + pc.printf("WiFi example\n\n"); count = scan_demo(&wifi); if (count == 0) { - printf("No WIFI APNs found - can't continue further.\n"); + pc.printf("No WIFI APNs found - can't continue further.\n"); return -1; } printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID); int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); if (ret != 0) { - printf("\nConnection error\n"); + pc.printf("\nConnection error\n"); return -1; } - printf("Success\n\n"); + pc.printf("Success\n\n"); printf("MAC: %s\n", wifi.get_mac_address()); printf("IP: %s\n", wifi.get_ip_address()); printf("Netmask: %s\n", wifi.get_netmask());