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Dependencies: HCSR04 LiquidCrystal_I2C_for_Nucleo
Revision 91:dab9882e2b49, committed 2019-01-09
- Comitter:
- mbed_official
- Date:
- Wed Jan 09 14:30:04 2019 +0000
- Parent:
- 90:1def9d67d6e4
- Child:
- 92:4d6f7b007221
- Commit message:
- Cleanup and simplify the example (#144)
.
Commit copied from https://github.com/ARMmbed/mbed-os-example-wifi
Changed in this revision
README.md | Show annotated file Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/README.md Wed Jan 09 09:30:03 2019 +0000 +++ b/README.md Wed Jan 09 14:30:04 2019 +0000 @@ -4,9 +4,9 @@ ## Getting started with the Wi-Fi API ## -This is an example of a Wi-Fi application using the Wi-Fi and network socket APIs that [Mbed OS](https://github.com/ARMmbed/mbed-os) provides. +This is an example of a Wi-Fi application using the Wi-Fi APIs that [Mbed OS](https://github.com/ARMmbed/mbed-os) provides. -The program brings up the Wi-Fi and the underlying network interface and uses it to scan available networks, connects to a network, prints interface and connection details and performs an HTTP operation. +The program brings up the Wi-Fi and the underlying network interface and uses it to scan available networks, connects to a network and prints interface and connection details. For more information about Wi-Fi APIs, please visit the [Mbed OS Wi-Fi](https://os.mbed.com/docs/latest/reference/wi-fi.html) documentation. @@ -39,14 +39,6 @@ Then pin names need to be configured as instructed in the drivers README file. -#### Connecting the ESP8266 #### - -To connect the ESP8266 module to your development board, look at the [ESP8266 Cookbook page](https://developer.mbed.org/users/4180_1/notebook/using-the-esp8266-with-the-mbed-lpc1768/). In general, this means hooking up the ESP8266 TX pin to `D0` and the ESP8266 RX pin to `D1` on your development board. - -#### Connecting the X-NUCLEO-IDW0XX1 #### - -To connect the [X-NUCLEO-IDW04A1](http://www.st.com/content/st_com/en/products/ecosystems/stm32-open-development-environment/stm32-nucleo-expansion-boards/stm32-ode-connect-hw/x-nucleo-idw04a1.html) or [X-NUCLEO-IDW01M1](https://developer.mbed.org/components/X-NUCLEO-IDW01M1/) expansion board to your NUCLEO development board, plug the expansion board on top of the NUCLEO board using the Arduino or Morpho connector. - ## Getting started ## 1. Import the example.
--- a/main.cpp Wed Jan 09 09:30:03 2019 +0000 +++ b/main.cpp Wed Jan 09 14:30:04 2019 +0000 @@ -15,7 +15,6 @@ */ #include "mbed.h" -#include "TCPSocket.h" WiFiInterface *wifi; @@ -73,60 +72,8 @@ return count; } -void http_demo(NetworkInterface *net) -{ - TCPSocket socket; - nsapi_error_t response; - - printf("Sending HTTP request to www.arm.com...\n"); - - // Open a socket on the network interface, and create a TCP connection to www.arm.com - response = socket.open(net); - if(0 != response) { - printf("socket.open() failed: %d\n", response); - return; - } - - response = socket.connect("api.ipify.org", 80); - if(0 != response) { - printf("Error connecting: %d\n", response); - socket.close(); - return; - } - - // Send a simple http request - char sbuffer[] = "GET / HTTP/1.1\r\nHost: api.ipify.org\r\nConnection: close\r\n\r\n"; - nsapi_size_t size = strlen(sbuffer); - - // Loop until whole request send - while(size) { - response = socket.send(sbuffer+response, size); - if (response < 0) { - printf("Error sending data: %d\n", response); - socket.close(); - return; - } - size -= response; - printf("sent %d [%.*s]\n", response, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); - } - - // Receieve a simple http response and print out the response line - char rbuffer[64]; - response = socket.recv(rbuffer, sizeof rbuffer); - if (response < 0) { - printf("Error receiving data: %d\n", response); - } else { - printf("recv %d [%.*s]\n", response, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); - } - - // Close the socket to return its memory and bring down the network interface - socket.close(); -} - int main() { - int count = 0; - printf("WiFi example\n"); #ifdef MBED_MAJOR_VERSION @@ -139,9 +86,9 @@ return -1; } - count = scan_demo(wifi); + int count = scan_demo(wifi); if (count == 0) { - printf("No WIFI APNs found - can't continue further.\n"); + printf("No WIFI APs found - can't continue further.\n"); return -1; } @@ -159,8 +106,6 @@ printf("Gateway: %s\n", wifi->get_gateway()); printf("RSSI: %d\n\n", wifi->get_rssi()); - http_demo(wifi); - wifi->disconnect(); printf("\nDone\n");