Stage-1 Students SoCEM
Demonstrates data corruption due to a race condition updated for mbed os 5.4
Revision 2:7e77fec81f7d, committed 2017-03-30
- Comitter:
- noutram
- Date:
- Thu Mar 30 14:12:06 2017 +0000
- Parent:
- 1:8c6ec9de7688
- Commit message:
- Updated for mbed os 5.4
Changed in this revision
--- a/main.cpp Tue Mar 08 12:11:18 2016 +0000
+++ b/main.cpp Thu Mar 30 14:12:06 2017 +0000
@@ -1,13 +1,12 @@
#include "mbed.h"
-#include "rtos.h"
#define RED_DONE 1
#define YELLOW_DONE 2
//Function declarations
-void countUP(void const *args);
-void countDOWN(void const *args);
+void countUP();
+void countDOWN();
//Digital outputs
DigitalOut onBoardLED(LED1);
@@ -27,7 +26,7 @@
volatile long long count = 0;
//Threads
-void countUP(void const *args)
+void countUP()
{
redLED = 1;
@@ -48,7 +47,7 @@
osSignalSet(tidMain, RED_DONE); //Signal main thread we are done
}
-void countDOWN(void const *args)
+void countDOWN()
{
yellowLED = 1;
@@ -72,6 +71,8 @@
//Main thread
int main() {
+ Thread t1, t2;
+
redLED = 0;
yellowLED = 0;
greenLED = 1;
@@ -82,12 +83,12 @@
//Press the switch to run concurrently
if (onBoardSwitch == 1) {
printf("Running sequntially\n");
- countUP(NULL);
- countDOWN(NULL);
+ countUP();
+ countDOWN();
} else {
printf("Running concurrently\n");
- Thread t1(countUP);
- Thread t2(countDOWN);
+ t1.start(countUP);
+ t2.start(countDOWN);
//Wait for the ALL_ON signal
Thread::signal_wait(RED_DONE,osWaitForever);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Thu Mar 30 14:12:06 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#50b3418e45484ebf442b88cd935a2d5355402d7d
--- a/mbed-rtos.lib Tue Mar 08 12:11:18 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/#b4c5542476ba
--- a/mbed.bld Tue Mar 08 12:11:18 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3 \ No newline at end of file