system.h

00001 
00002 #ifndef SYSTEM_H
00003 #define SYSTEM_H
00004 
00005 #include "globals.h"
00006 #include "rtos.h"
00007 
00008 //a type which is a pointer to a rtos thread function
00009 typedef void (*tfuncptr_t)(void const *argument);
00010 
00011 //---------------------
00012 //Signal ticker stuff
00013 #define SIGTICKARGS(thread, signal) \
00014     (tfuncptr_t) (&Signalsetter::callback), osTimerPeriodic, (void*)(new Signalsetter(thread, signal))
00015 
00016 class Signalsetter {
00017 public:
00018     Signalsetter(Thread& inthread, int insignal) :
00019             thread(inthread) {
00020         signal = insignal;
00021         //pc.printf("ptr saved as %#x \r\n", (int)(&(inthread)));
00022     }
00023 
00024     static void callback(void* thisin) {
00025 
00026         Signalsetter* fthis = (Signalsetter*)thisin;
00027         //pc.printf("callback will signal thread object at %#x \r\n", (int)(&(fthis->thread)));
00028         fthis->thread.signal_set(fthis->signal);
00029         //delete fthis; //this is useful for single fire tickers!
00030     }
00031 
00032 private:
00033     Thread& thread;
00034     int signal;
00035 };
00036 
00037 //---------------------
00038 //cpu usage measurement function
00039 extern float cpupercent;
00040 void measureCPUidle (void const* arg);
00041 
00042 #endif