Revision 0:b57dcfa14bbb, committed 2020-07-15

Comitter:

radhey04ec

Date:

Wed Jul 15 06:22:56 2020 +0000

Commit message:

CALLBACK FUNCTION & THREAD STATUS CHECKING; COMMIT_DONE;

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Wed Jul 15 06:22:56 2020 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CONTRIBUTING.md	Wed Jul 15 06:22:56 2020 +0000
@@ -0,0 +1,5 @@
+# Contributing to Mbed OS
+
+Mbed OS is an open-source, device software platform for the Internet of Things. Contributions are an important part of the platform, and our goal is to make it as simple as possible to become a contributor.
+
+To encourage productive collaboration, as well as robust, consistent and maintainable code, we have a set of guidelines for [contributing to Mbed OS](https://os.mbed.com/docs/mbed-os/latest/contributing/index.html).

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Wed Jul 15 06:22:56 2020 +0000
@@ -0,0 +1,64 @@
+![](./resources/official_armmbed_example_badge.png)
+# Blinky Mbed OS example
+
+The example project is part of the [Arm Mbed OS Official Examples](https://os.mbed.com/code/) and is the [getting started example for Mbed OS](https://os.mbed.com/docs/mbed-os/v5.14/quick-start/index.html). It contains an application that repeatedly blinks an LED on supported [Mbed boards](https://os.mbed.com/platforms/).
+
+You can build the project with all supported [Mbed OS build tools](https://os.mbed.com/docs/mbed-os/latest/tools/index.html). However, this example project specifically refers to the command-line interface tool [Arm Mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli).
+(Note: To see a rendered example you can import into the Arm Online Compiler, please see our [import quick start](https://os.mbed.com/docs/mbed-os/latest/quick-start/online-with-the-online-compiler.html#importing-the-code).)
+
+1. [Install Mbed CLI](https://os.mbed.com/docs/mbed-os/latest/quick-start/offline-with-mbed-cli.html).
+
+1. Clone this repository on your system, and change the current directory to where the project was cloned:
+
+    ```bash
+    $ git clone git@github.com:armmbed/mbed-os-example-blinky && cd mbed-os-example-blinky
+    ```
+
+    Alternatively, you can download the example project with Arm Mbed CLI using the `import` subcommand:
+
+    ```bash
+    $ mbed import mbed-os-example-blinky && cd mbed-os-example-blinky
+    ```
+
+
+## Application functionality
+
+The `main()` function is the single thread in the application. It toggles the state of a digital output connected to an LED on the board.
+
+## Building and running
+
+1. Connect a USB cable between the USB port on the board and the host computer.
+2. <a name="build_cmd"></a> Run the following command to build the example project and program the microcontroller flash memory:
+    ```bash
+    $ mbed compile -m <TARGET> -t <TOOLCHAIN> --flash
+    ```
+The binary is located at `./BUILD/<TARGET>/<TOOLCHAIN>/mbed-os-example-blinky.bin`.
+
+Alternatively, you can manually copy the binary to the board, which you mount on the host computer over USB.
+
+Depending on the target, you can build the example project with the `GCC_ARM`, `ARM` or `IAR` toolchain. After installing Arm Mbed CLI, run the command below to determine which toolchain supports your target:
+
+```bash
+$ mbed compile -S
+```
+
+## Expected output
+The LED on your target turns on and off every 500 milliseconds.
+
+
+## Troubleshooting
+If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
+
+## Related Links
+
+* [Mbed OS Stats API](https://os.mbed.com/docs/latest/apis/mbed-statistics.html).
+* [Mbed OS Configuration](https://os.mbed.com/docs/latest/reference/configuration.html).
+* [Mbed OS Serial Communication](https://os.mbed.com/docs/latest/tutorials/serial-communication.html).
+* [Mbed OS bare metal](https://os.mbed.com/docs/mbed-os/latest/reference/mbed-os-bare-metal.html).
+* [Mbed boards](https://os.mbed.com/platforms/).
+
+### License and contributions
+
+The software is provided under Apache-2.0 license. Contributions to this project are accepted under the same license. Please see contributing.md for more info.
+
+This project contains code from other projects. The original license text is included in those source files. They must comply with our license guide.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 15 06:22:56 2020 +0000
@@ -0,0 +1,70 @@
+//CALLBACK API USE IN MBED  + FLAG SYSTEM FROM DIFFERENT THREAD
+//TARGET : MBED + HARDWARE : NUCLEO-64
+
+//JAYDEEP SHAH -- radhey04ec@gmail.com
+
+//CALLBACK -- IS LIKE FUNCTION CALL BUT MORE USEFUL than normal call.
+
+/* When you created object at that time objedct have all properties regarding that class.
+some times we want to pass object related all information to another function or Thread so you can change related parameters of that object inside that function.
+More Handy when --> One Function or Thread for many object 
+
+ when start the thread,  you want to pass objecect as a argument at that time this is very useful -- so thread work according that object.
+ 
+ ENUM DATA_TYPE DECALARED IN THREAD.H FILE FOR STATUS
+ 0 = IN ACTIVE
+ 1 = READY
+ 2 = RUNNING
+ 4 = WAITING DELAY
+ 5 = WAITING FOR JOIN 
+ 16 = DELETED / TERMINATED
+ etc...VISIT THREAD.H FILE 
+ 
+ LINK : https://os.mbed.com/docs/mbed-os/v6.1/mbed-os-api-doxy/_thread_8h_source.html
+ 
+ */ 
+ 
+ //PROGRAM : AFTER 5 SEC LED BLINKING OFF & FLAGG MECHANISM
+
+#include "mbed.h"
+#include "rtos.h"
+
+Thread thread;  //CREATE GLOBAL THREAD
+DigitalOut led1(LED1);  //CREATE OBJECT
+volatile bool running = true;  // FLAG TYPE VARIABLE
+
+// Blink function toggles the led in a long running loop
+void blink(DigitalOut *led)
+{
+    while (running) {  // WHILE FLAG SET
+    
+        *led = !*led;  //TOGGLE
+        ThisThread::sleep_for(1000);//SLEEP
+        
+        uint32_t status = thread.get_state();   //GET THE STATUS OF THREAD
+        printf("\n Thread status FROM INSIDE THREAD = %d",(uint32_t)status);  //PRINT STATUS ON SERIAL TERMINAL
+    }
+}
+
+// Spawns a thread to run blink for 5 seconds
+int main()
+{
+    thread.start(callback(blink, &led1));  //FUNCTION ATTACHMENT + THREAD START + ARGUMENT PASS
+    ThisThread::sleep_for(5000); //MAIN THREAD SLEEP
+    running = false;  //FLAG FALSE AFTER AWAKING MAIN THREAD
+    uint32_t status = thread.get_state();
+    printf("\n A-- Thread status FROM MAIN = %d",(uint32_t)status);  //PRINT STATUS ON SERIAL TERMINAL
+    status = thread.get_state();
+    printf("\n B-- Thread status FROM MAIN = %d",(uint32_t)status);  //PRINT STATUS ON SERIAL TERMINAL
+    
+    thread.terminate(); //Terminate thread for free stack
+    status = thread.get_state();
+    printf("\n C-- Thread status FROM MAIN = %d",(uint32_t)status);  //PRINT STATUS ON SERIAL TERMINAL
+    thread.join();  // WHILEATE STATEMENT NOT USE IN main(), thats why join use .
+    while(1)
+    {
+    status = thread.get_state();
+    printf("\n D-- Thread status FROM MAIN = %d",(uint32_t)status); 
+        }
+
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Jul 15 06:22:56 2020 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#cf4f12a123c05fcae83fc56d76442015cb8a39e9

Binary file resources/official_armmbed_example_badge.png has changed