L B / Mbed OS RTOS Example: RTOS Serial Interrupt As High Priority Thread

Instead of using an interrupt to read a serial message, a thread is created within the interrupt that reads serial data coming in. Original project for LPC1768.

Files at this revision

API Documentation at this revision

Revision 0:f28b116a2be0, committed 2019-03-05

Comitter:
Ritzerk
Date:
Tue Mar 05 12:16:33 2019 +0000
Child:
1:5438da9e6654
Commit message:
RTOS Interrupt as Thread

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-os.lib Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 05 12:16:33 2019 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+
+InterruptIn button(p14);
+
+Thread ISRthread(osPriorityAboveNormal);
+osThreadId ISRthreadId;
+
+DigitalOut myled(LED1);
+DigitalOut myled3(LED3);
+
+void newInput();
+void ISR_thread();
+
+int main() {
+    
+   ISRthread.start(callback(ISR_thread));
+   button.rise(&newInput);          //interrupt to catch input
+   
+    while(1) {
+        myled = 1;
+        osDelay(1000);
+        myled = 0;
+        osDelay(1000);
+    }
+}
+
+
+void newInput() {
+    osSignalSet(ISRthreadId,0x01);
+}
+
+
+void ISR_thread() {
+    ISRthreadId = osThreadGetId();
+    for(;;) {
+        osSignalWait(0x01, osWaitForever);
+        myled3 = 1;
+        osDelay(500);
+        myled3 = 0;
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Tue Mar 05 12:16:33 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/armmbed/mbed-os/#ecb3c8c837162c73537bd0f3592c6e2a42994045