1 files changed, 55 insertions, 0 deletions
diff --git a/test/locks/main.c b/test/locks/main.c
new file mode 100644
index 0000000..526d75f
--- /dev/null
+++ b/test/locks/main.c
@@ -0,0 +1,55 @@
+#include <stddef.h>
+#include <stdio.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include "task/task.h"
+#include "task/sched.h"
+#include "bug/panic.h"
+#include "bug/debug.h"
+#include "task/lock.h"
+#include "time/clock.h"
+#include "mcu/task/context.h"
+#include "tshield/tshield.h"
+
+#define WAIT_CYCLES(cycles) for (volatile unsigned long i = 0; i < cycles; ++i) {}
+
+spin_lock_t on_lock = SPIN_LOCK_UNLOCKED;
+volatile char on = 0;
+
+void read(char id) {
+  while(1) {
+    spin_lock(&on_lock);
+    debug_led(0,on);
+    spin_unlock(&on_lock);
+  }
+}
+
+void write( char id) {
+  while(1) {
+    spin_lock(&on_lock);
+    on = !on;
+    WAIT_CYCLES(30000);
+    spin_unlock(&on_lock);
+  }
+}
+
+
+DECLARE_TASK(task1, DEFAULT_STACK_SIZE, read, 1);
+DECLARE_TASK(task2, DEFAULT_STACK_SIZE, write, 2);
+
+
+int main(int argc, char *argv[]) {
+  cli();
+  tshield_init();
+  
+
+  spawn(&task1);
+  spawn(&task2);
+  
+  sei();
+  clock_init(10, schedule);
+  clock_start();
+  sched_init();
+  panic(); //should never reach here
+  while(1){}
+}