Blink the onboard LED, and Print it's status in Serial
Fork of mbed-os-example-mbed5-blinky by
Revision 66:dd8d05fd9f8b, committed 2018-05-09
- Comitter:
- Ladon
- Date:
- Wed May 09 16:23:06 2018 +0000
- Parent:
- 65:caf630d9c605
- Commit message:
- Blink led as in example, but also print in Serial
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 May 02 06:30:02 2018 +0100 +++ b/README.md Wed May 09 16:23:06 2018 +0000 @@ -1,57 +1,2 @@ -# 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. - -## 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. +Playground : + A place to test various code \ No newline at end of file
--- a/main.cpp Wed May 02 06:30:02 2018 +0100 +++ b/main.cpp Wed May 09 16:23:06 2018 +0000 @@ -1,11 +1,13 @@ #include "mbed.h" DigitalOut led1(LED1); +Serial pc(USBTX, USBRX); // tx, rx // main() runs in its own thread in the OS int main() { while (true) { led1 = !led1; + pc.printf("%sLed %s\n",(led1?"":"\t"),(led1?"ON":"OFF")); wait(0.5); } }