FRA221-2018
Example program for LED blinky
Revision 0:71e6966178f5, committed 2018-10-05
- Comitter:
- Pitiwut
- Date:
- Fri Oct 05 08:30:50 2018 +0000
- Commit message:
- First program
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Fri Oct 05 08:30:50 2018 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Fri Oct 05 08:30:50 2018 +0000 @@ -0,0 +1,57 @@ +# 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.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Oct 05 08:30:50 2018 +0000
@@ -0,0 +1,119 @@
+//lab GPIO 1-1 output
+
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+
+int main() {
+ while(1) {
+ myled = 1; // LED is ON
+ wait(0.2); // 200 ms
+ myled = 0; // LED is OFF
+ wait(1.0); // 1 sec
+ }
+}
+
+//lab GPIO 1-2 output2
+/*
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+DigitalOut myled2(D12);
+Timer t;
+
+int main()
+{
+ t.start();
+ while(1) {
+ if(t.read_ms() <100) {
+ myled = 1; // LED is ON
+ myled2= 1;
+ } else if(t.read_ms() <400) {
+ myled = 0; // LED is OFF}
+ myled2= 1;
+ } else if(t.read_ms() <800)
+ {
+ myled = 0; // LED is OFF}
+ myled2= 0;
+ }
+ else{
+ t.reset();
+ }
+
+ }
+}
+*/
+// lab GPIO 1-3input and output
+/*
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+DigitalIn mybutton(USER_BUTTON);
+
+int main()
+{
+ while(1) {
+
+ if(mybutton == 0) {
+ myled = 1; // LED is ON
+ } else {
+ myled = 0; // LED is OFF
+ }
+ }
+}
+*/
+
+//lab GPIO 1-4 input state
+/*
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+DigitalOut myled2(D12);
+
+DigitalIn mybutton(USER_BUTTON);
+
+Timer t;
+
+int main()
+{
+ int state=0;
+ int timer_delay1=100,timer_delay2=200;
+ t.start();
+ while(1) {
+
+ if(mybutton == 0) {
+ // wait_ms(10)
+ while(mybutton !=1) ;
+
+ if(state <2) {
+ state++;
+ } else {
+ state =0;
+ }
+
+ }
+
+ if(state == 0) {
+ timer_delay1 =100;
+ timer_delay2 =200;
+ } else if(state ==1) {
+ timer_delay1 =100;
+ timer_delay2 =500;
+ } else if(state ==2) {
+ timer_delay1 =500;
+ timer_delay2 =1000;
+ }
+
+ if(t.read_ms() <timer_delay1) {
+ myled = 1; // LED is ON
+ myled2= 0;
+ } else if(t.read_ms() <timer_delay2) {
+ myled = 0; // LED is OFF}
+ myled2= 1;
+ } else {
+ t.reset();
+ }
+
+ }
+}
+*/
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Oct 05 08:30:50 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#610e35ddc6d59f153173c1e7b2748cf96d6c9bcd