Zoltan Hudak
/
WebSwitch_mbed-os
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Fork of
WebSwitch_mbed-os
by 
Zoltan Hudak
Revision 0:e455fdb56bc8, committed 2017-04-06
- Comitter:
- hudakz
- Date:
- Thu Apr 06 18:58:40 2017 +0000
- Child:
- 1:be0139af12f2
- Commit message:
- Initial release.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Thu Apr 06 18:58:40 2017 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Thu Apr 06 18:58:40 2017 +0000 @@ -0,0 +1,87 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Export the project to Keil MDK, and debug your application + +From the command-line, run the following command: + +``` +mbed export -m K64F -i uvision +``` + +To debug the application: + +1. Start uVision. +1. Import the uVision project generated earlier. +1. Compile your application, and generate an `.axf` file. +1. Make sure uVision is configured to debug over CMSIS-DAP (From the Project menu > Options for Target '...' > Debug tab > Use CMSIS-DAP Debugger). +1. Set breakpoints, and start a debug session. + + + +## Troubleshooting + +1. Make sure `mbed-cli` is working correctly and its version is `>1.0.0` + + ``` + mbed --version + ``` + + If not, you can update it: + + ``` + pip install mbed-cli --upgrade + ``` + +2. If using Keil MDK, make sure you have a license installed. [MDK-Lite](http://www.keil.com/arm/mdk.asp) has a 32 KB restriction on code size. \ No newline at end of file
Binary file img/uvision.png has changed
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Apr 06 18:58:40 2017 +0000
@@ -0,0 +1,203 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "TCPServer.h"
+#include "TCPSocket.h"
+#include <stdio.h>
+#include <string>
+
+using namespace std;
+
+#define PORT 80
+
+EthernetInterface ethernet;
+TCPServer server;
+TCPSocket clientSocket;
+SocketAddress clientAddress;
+char receiveBuf[1024] = { };
+
+const int OFF = 0;
+const int ON = 1;
+
+DigitalOut sw(LED1);
+
+const string PASSWORD = "secret"; // change as you like
+const string HTTP_OK = "HTTP/1.0 200 OK";
+const string MOVED_PERM = "HTTP/1.0 301 Moved Permanently\r\nLocation: ";
+const string UNAUTHORIZED = "HTTP/1.0 401 Unauthorized";
+string httpHeader; // HTTP header
+string httpContent; // HTTP content
+// analyse the url given
+// return values: -1 invalid password
+// -2 no command given but password valid
+// -3 just refresh page
+// 0 switch off
+// 1 switch on
+//
+// The string passed to this function will look like this:
+// GET /password HTTP/1.....
+// GET /password/ HTTP/1.....
+// GET /password/?sw=1 HTTP/1.....
+
+// GET /password/?sw=0 HTTP/1.....
+int8_t analyseURL(string& str) {
+ if(str.substr(5, PASSWORD.size()) != PASSWORD)
+ return(-1);
+
+ uint8_t pos = 5 + PASSWORD.size();
+
+ if(str.substr(pos, 1) == " ")
+ return(-2);
+
+ if(str.substr(pos++, 1) != "/")
+ return(-1);
+
+ string cmd(str.substr(pos, 5));
+
+ if(cmd == "?sw=0")
+ return(OFF);
+
+ if(cmd == "?sw=1")
+ return(ON);
+
+ return(-3);
+}
+
+/**
+ * @brief
+ * @note
+ * @param
+ * @retval
+ */
+string& movedPermanently(uint8_t flag) {
+ if(flag == 1)
+ httpContent = "/" + PASSWORD + "/";
+ else
+ httpContent = "";
+
+ httpContent += "<h1>301 Moved Permanently</h1>\r\n";
+
+ return(httpContent);
+}
+
+/**
+ * @brief
+ * @note
+ * @param
+ * @retval
+ */
+string& showWebPage(uint8_t status) {
+ httpContent = "<h2>WebSwitch - Smart Home</h2>\r\n";
+
+ httpContent += "<pre>Temperature:\t21.8°C\r\n</pre>";
+
+ if(status == ON) {
+ httpContent += "<pre>\r\nHeating:\t<font color=#FF0000>ON </font>";
+ httpContent += " <a href=\"./?sw=0\">[Turn off]</a>\r\n";
+ }
+ else {
+ httpContent += "<pre>\r\nHeating:\t<font color=#BBBBBB>OFF</font>";
+ httpContent += " <a href=\"./?sw=1\">[Turn on]</a>\r\n";
+ }
+
+ //httpContent += " \r\n";
+ //httpContent += " <a href=\".\">Refresh status]</a>\r\n";
+ httpContent += "</pre>\r\n";
+ httpContent += "<hr>\r\n";
+ httpContent += "<pre>2017 ARMmbed Open Source</pre>";
+ return httpContent;
+}
+
+/**
+ * @brief
+ * @note
+ * @param
+ * @retval
+ */
+void sendHTTP(TCPSocket& client, string& header, string& content) {
+ char content_length[5] = { };
+
+ header += "\r\nContent-Type: text/html\r\n";
+ header += "Content-Length: ";
+ sprintf(content_length, "%d", content.length());
+ header += string(content_length) + "\r\n";
+ header += "Pragma: no-cache\r\n";
+ header += "Connection: About to close\r\n";
+ header += "\r\n";
+
+ string webpage = header + content;
+ client.send((char*)webpage.c_str(), webpage.length());
+ printf("HTTP sent.\n\r");
+}
+
+/**
+ * @brief
+ * @note
+ * @param
+ * @retval
+ */
+int main(void) {
+
+ ethernet.connect();
+ printf("Usage: Type %s/%s/ into your web browser and hit ENTER\r\n", ethernet.get_ip_address(), PASSWORD);
+
+ /* Open the server on ethernet stack */
+ server.open(ðernet);
+
+ /* Bind the HTTP port (TCP 80) to the server */
+ server.bind(ethernet.get_ip_address(), 80);
+
+ /* Can handle 5 simultaneous connections */
+ server.listen(5);
+
+ //listening for http GET request
+ while(true) {
+ server.accept(&clientSocket, &clientAddress);
+ printf("\r\n=========================================\r\n");
+ printf("Connection succeeded!\n\rIP: %s\n\r", clientAddress.get_ip_address());
+ clientSocket.recv(receiveBuf, 1023);
+ printf("Recieved Data: %d\n\r\n\r%.*s\n\r", strlen(receiveBuf), strlen(receiveBuf), receiveBuf);
+
+ string received(receiveBuf);
+ if(received.substr(0, 3) != "GET") {
+ httpHeader = HTTP_OK;
+ httpContent = "<h1>200 OK</h1>";
+ sendHTTP(clientSocket, httpHeader, httpContent);
+ continue;
+ }
+
+ if(received.substr(0, 6) == "GET / ") {
+ httpHeader = HTTP_OK;
+ httpContent = "<p>Usage: Type http://ip_address/password/ into your web browser and hit ENTER</p>\r\n";
+ sendHTTP(clientSocket, httpHeader, httpContent);
+ continue;
+ }
+
+ int cmd = analyseURL(received);
+
+ if(cmd == -2) {
+
+ // redirect to the right base url
+ httpHeader = MOVED_PERM;
+ sendHTTP(clientSocket, httpHeader, movedPermanently(1));
+ continue;
+ }
+
+ if(cmd == -1) {
+ httpHeader = UNAUTHORIZED;
+ httpContent = "<h1>401 Unauthorized</h1>";
+ sendHTTP(clientSocket, httpHeader, httpContent);
+ continue;
+ }
+
+ if(cmd == ON) {
+ sw = ON; // turn the switch on
+ }
+
+ if(cmd == OFF) {
+ sw = OFF; // turn the switch off
+ }
+
+ httpHeader = HTTP_OK;
+ sendHTTP(clientSocket, httpHeader, showWebPage(sw));
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Thu Apr 06 18:58:40 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#50b3418e45484ebf442b88cd935a2d5355402d7d