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Merge pull request #1014 from fabik111/add-ping-command
Ping command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| Web ICMP Ping | ||
| This sketch pings a device based on the IP address or the hostname | ||
| using the WiFi module. | ||
| This example is written for a network using WPA encryption. For | ||
| WEP or WPA, change the WiFi.begin() call accordingly. | ||
| created 14 February 2024 | ||
| by paulvha | ||
| modified 8 Jenuary 2025 | ||
| by fabik111 | ||
| */ | ||
|
|
||
| #include <WiFi.h> | ||
| #include "arduino_secrets.h" | ||
|
|
||
| ///////please enter your sensitive data in the Secret tab/arduino_secrets.h | ||
| char ssid[] = SECRET_SSID; // your network SSID (name) | ||
| char pass[] = SECRET_PASS; // your network password (use for WPA, or use as key for WEP) | ||
|
|
||
| int status = WL_IDLE_STATUS; | ||
|
|
||
| /* -------------------------------------------------------------------------- */ | ||
| void setup() { | ||
| /* -------------------------------------------------------------------------- */ | ||
| //Initialize serial and wait for port to open: | ||
| Serial.begin(9600); | ||
| while (!Serial) { | ||
| ; // wait for serial port to connect. Needed for native USB port only | ||
| } | ||
|
|
||
| // check for the WiFi module: | ||
| if (WiFi.status() == WL_NO_MODULE) { | ||
| Serial.println("Communication with WiFi module failed."); | ||
| // don't continue | ||
| while (true); | ||
| } | ||
|
|
||
| // attempt to connect to WiFi network: | ||
| while (status != WL_CONNECTED) { | ||
| Serial.print("Attempting to connect to SSID: "); | ||
| Serial.println(ssid); | ||
| // Connect to WPA/WPA2 network. Change this line if using open or WEP network: | ||
| status = WiFi.begin(ssid, pass); | ||
|
|
||
| // wait 3 seconds for connection: | ||
| delay(3000); | ||
| } | ||
|
|
||
| printWifiStatus(); | ||
| } | ||
|
|
||
| /* -------------------------------------------------------------------------- */ | ||
| void loop() { | ||
| /* -------------------------------------------------------------------------- */ | ||
|
|
||
| // Ping IP | ||
| const IPAddress remote_ip(140,82,121,4); | ||
| Serial.print("Trying to ping github.com on IP: "); | ||
| Serial.println(remote_ip); | ||
|
|
||
| // using default ping count of 1 | ||
| int res = WiFi.ping(remote_ip); | ||
|
|
||
| if (res > 0) { | ||
| Serial.print("Ping response time: "); | ||
| Serial.print(res); | ||
| Serial.println(" ms"); | ||
| } | ||
| else { | ||
| Serial.println("Timeout on IP!"); | ||
| } | ||
|
|
||
| // Ping Host | ||
| const char* remote_host = "www.google.com"; | ||
| Serial.print("Trying to ping host: "); | ||
| Serial.println(remote_host); | ||
|
|
||
| int res1 = WiFi.ping(remote_host); | ||
|
|
||
| if (res1 > 0) { | ||
| Serial.print("Ping response time: "); | ||
| Serial.print(res1); | ||
| Serial.println(" ms"); | ||
| } | ||
| else { | ||
| Serial.println("Timeout on host!"); | ||
| } | ||
|
|
||
| Serial.println(); | ||
| delay(5000); | ||
| } | ||
|
|
||
| /* -------------------------------------------------------------------------- */ | ||
| void printWifiStatus() { | ||
| /* -------------------------------------------------------------------------- */ | ||
| // print the SSID of the network you're attached to: | ||
| Serial.print("SSID: "); | ||
| Serial.println(WiFi.SSID()); | ||
|
|
||
| // print your board's IP address: | ||
| IPAddress ip = WiFi.localIP(); | ||
| Serial.print("IP Address: "); | ||
| Serial.println(ip); | ||
|
|
||
| // print the received signal strength: | ||
| long rssi = WiFi.RSSI(); | ||
| Serial.print("signal strength (RSSI):"); | ||
| Serial.print(rssi); | ||
| Serial.println(" dBm"); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| #define SECRET_SSID "" | ||
| #define SECRET_PASS "" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| From 933694e0f35451d21eed77a93fa346570de20878 Mon Sep 17 00:00:00 2001 | ||
| From: pennam <[email protected]> | ||
| Date: Tue, 4 Feb 2025 14:31:59 +0100 | ||
| Subject: [PATCH] ICMPSocket: add ping | ||
|
|
||
| --- | ||
| .../netsocket/include/netsocket/ICMPSocket.h | 4 ++ | ||
| connectivity/netsocket/source/ICMPSocket.cpp | 61 +++++++++++++++++++ | ||
| 2 files changed, 65 insertions(+) | ||
|
|
||
| diff --git a/connectivity/netsocket/include/netsocket/ICMPSocket.h b/connectivity/netsocket/include/netsocket/ICMPSocket.h | ||
| index 1837bc8e09..5e1ee8fb03 100644 | ||
| --- a/connectivity/netsocket/include/netsocket/ICMPSocket.h | ||
| +++ b/connectivity/netsocket/include/netsocket/ICMPSocket.h | ||
| @@ -37,6 +37,10 @@ public: | ||
| */ | ||
| ICMPSocket(); | ||
|
|
||
| +#if MBED_CONF_LWIP_RAW_SOCKET_ENABLED | ||
| + int ping(SocketAddress &socketAddress, uint32_t timeout); | ||
| +#endif | ||
| + | ||
| #if !defined(DOXYGEN_ONLY) | ||
|
|
||
| protected: | ||
| diff --git a/connectivity/netsocket/source/ICMPSocket.cpp b/connectivity/netsocket/source/ICMPSocket.cpp | ||
| index f6c9b98de1..d8ea954835 100644 | ||
| --- a/connectivity/netsocket/source/ICMPSocket.cpp | ||
| +++ b/connectivity/netsocket/source/ICMPSocket.cpp | ||
| @@ -16,12 +16,73 @@ | ||
| */ | ||
|
|
||
| #include "ICMPSocket.h" | ||
| +#if MBED_CONF_LWIP_RAW_SOCKET_ENABLED | ||
| +#include "drivers/Timer.h" | ||
| +#include "lwip/prot/icmp.h" | ||
| +#include "lwip/inet_chksum.h" | ||
| +#include "lwip/prot/ip4.h" | ||
| +#endif | ||
|
|
||
| ICMPSocket::ICMPSocket() | ||
| { | ||
| _socket_stats.stats_update_proto(this, NSAPI_ICMP); | ||
| } | ||
|
|
||
| +#if MBED_CONF_LWIP_RAW_SOCKET_ENABLED | ||
| +int ICMPSocket::ping(SocketAddress &socketAddress, uint32_t timeout) | ||
| +{ | ||
| + struct __attribute__((__packed__)) { | ||
| + struct icmp_echo_hdr header; | ||
| + uint8_t data[32]; | ||
| + } request; | ||
| + | ||
| + ICMPH_TYPE_SET(&request.header, ICMP_ECHO); | ||
| + ICMPH_CODE_SET(&request.header, 0); | ||
| + request.header.chksum = 0; | ||
| + request.header.id = 0xAFAF; | ||
| + request.header.seqno = random(); | ||
| + | ||
| + for (size_t i = 0; i < sizeof(request.data); i++) { | ||
| + request.data[i] = i; | ||
| + } | ||
| + | ||
| + request.header.chksum = inet_chksum(&request, sizeof(request)); | ||
| + | ||
| + int res = sendto(socketAddress, &request, sizeof(request)); | ||
| + if (res <= 0){ | ||
| + return -1; | ||
| + } | ||
| + | ||
| + mbed::Timer timer; | ||
| + timer.start(); | ||
| + int elapsed = -1; | ||
| + do { | ||
| + struct __attribute__((__packed__)) { | ||
| + struct ip_hdr ipHeader; | ||
| + struct icmp_echo_hdr header; | ||
| + } response; | ||
| + | ||
| + int rxSize = recvfrom(&socketAddress, &response, sizeof(response)); | ||
| + if (rxSize < 0) { | ||
| + // time out | ||
| + break; | ||
| + } | ||
| + | ||
| + if (rxSize < sizeof(response)) { | ||
| + // too short | ||
| + continue; | ||
| + } | ||
| + | ||
| + if ((response.header.id == request.header.id) && (response.header.seqno == request.header.seqno)) { | ||
| + elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(timer.elapsed_time()).count(); | ||
| + timer.stop(); | ||
| + } | ||
| + } while (elapsed == -1 && std::chrono::duration_cast<std::chrono::milliseconds>(timer.elapsed_time()).count() < timeout); | ||
| + | ||
| + return elapsed; | ||
| +} | ||
| +#endif | ||
| + | ||
| nsapi_protocol_t ICMPSocket::get_proto() | ||
| { | ||
| return NSAPI_ICMP; | ||
| -- | ||
| 2.47.2 | ||
|
|
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