Diff: main.cpp

Revision:

1:6fcbb6f050a4

Parent:

0:aa38feded393

Child:

2:b84386915279

--- a/main.cpp	Fri Jul 13 11:29:34 2012 +0000
+++ b/main.cpp	Fri Jul 13 11:33:33 2012 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+#include "rtos.h"
+
+/* Mail */
+typedef struct {
+  float    voltage; /* AD result of measured voltage */
+  float    current; /* AD result of measured current */
+  uint32_t counter; /* A counter value               */
+} mail_t;
+
+Mail<mail_t, 16> mail_box;
+
+void send_thread (void const *argument) {
+    uint32_t i = 0;
+    while (true) {
+        i++; // fake data update
+        mail_t *mail = mail_box.alloc();
+        mail->voltage = (i * 0.1) * 33; 
+        mail->current = (i * 0.1) * 11;
+        mail->counter = i;
+        mail_box.put(mail);
+        Thread::wait(1000);
+    }
+}
+
+int main (void) {
+    Thread thread(send_thread);
+    
+    while (true) {
+        osEvent evt = mail_box.get();
+        if (evt.status == osEventMail) {
+            mail_t *mail = (mail_t*)evt.value.p;
+            printf("\nVoltage: %.2f V\n\r"   , mail->voltage);
+            printf("Current: %.2f A\n\r"     , mail->current);
+            printf("Number of cycles: %u\n\r", mail->counter);
+            
+            mail_box.free(mail);
+        }
+    }
+}