Diff: rtos.c

Revision:

0:cf2d4c337b6f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtos.c	Thu Sep 09 14:09:14 2010 +0000
@@ -0,0 +1,141 @@
+#include "globals.h"
+
+extern "C" int itask( unsigned int *, void (void) );
+extern "C" int run_task( unsigned int *, unsigned int);
+extern "C" int sleep_task( unsigned int, unsigned int * );
+
+extern "C" {
+//------------------------------
+void install_task0( void task(void) )
+ {
+  sp0 = itask( &taskstack0[255], task);
+ }
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void install_task1( void task(void) )
+{
+ sp1 = itask( &taskstack1[255], task);
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void install_task2(void task(void) )
+{
+ sp2 = itask( &taskstack2[255], task);
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void install_task3( void task(void) )
+{
+ sp3 = itask( &taskstack3[255], task);
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void install_task4( void task(void) )
+{
+ sp4 = itask( &taskstack4[255], task);
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void install_task5( void task(void) )
+{
+ sp5 = itask( &taskstack5[255], task);
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task0( void )
+{
+ task_number = 0; 
+ run_task( &savesp, sp0 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task1( void )
+{
+ task_number = 1;
+ run_task( &savesp, sp1 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task2( void )
+{
+ task_number = 2;
+ run_task( &savesp, sp2 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task3( void )
+{
+ task_number = 3;
+ run_task( &savesp, sp3 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task4( void )
+{
+ task_number = 4;
+ run_task( &savesp, sp4 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void run_task5( void )
+{
+ task_number = 5;
+ run_task( &savesp, sp5 );
+}
+}   //end of extern "C"
+
+//------------------------------
+extern "C" {
+void sleep( void ) {
+ switch( task_number )
+  {
+   case 0:
+    sleep_task( savesp, &sp0 );
+    break;
+   
+   case 1:
+    sleep_task( savesp, &sp1 );
+    break;
+   
+   case 2:
+    sleep_task( savesp, &sp2 );
+    break;
+   
+   case 3:
+    sleep_task( savesp, &sp3 );
+    break;
+    
+   case 4:
+    sleep_task( savesp, &sp4 );
+    break;
+    
+   case 5:
+    sleep_task( savesp, &sp5 );
+    break;
+  }
+}
+}   //end of extern "C"
+//------------------------------
+