system.h

00001 
00002 #ifndef SYSTEM_H
00003 #define SYSTEM_H
00004 
00005 #include "globals.h"
00006 #include "rtos.h"
00007 
00008 //Declaring the onboard LED's for everyone to use
00009 extern DigitalOut     OLED1;//(LED1);
00010 extern DigitalOut     OLED2;//(LED2);
00011 extern DigitalOut     OLED3;//(LED3);
00012 extern DigitalOut     OLED4;//(LED4);
00013 
00014 //nop style wait function
00015 void nopwait(int ms);
00016 
00017 //a type which is a pointer to a rtos thread function
00018 typedef void (*tfuncptr_t)(void const *argument);
00019 
00020 //---------------------
00021 //Signal ticker stuff
00022 #define SIGTICKARGS(thread, signal) \
00023     (tfuncptr_t) (&Signalsetter::callback), osTimerPeriodic, (void*)(new Signalsetter(thread, signal))
00024 
00025 class Signalsetter {
00026 public:
00027     Signalsetter(Thread& inthread, int insignal) :
00028             thread(inthread) {
00029         signal = insignal;
00030         //pc.printf("ptr saved as %#x \r\n", (int)(&(inthread)));
00031     }
00032 
00033     static void callback(void* thisin) {
00034 
00035         Signalsetter* fthis = (Signalsetter*)thisin;
00036         //pc.printf("callback will signal thread object at %#x \r\n", (int)(&(fthis->thread)));
00037         fthis->thread.signal_set(fthis->signal);
00038         //delete fthis; //this is useful for single fire tickers!
00039     }
00040 
00041 private:
00042     Thread& thread;
00043     int signal;
00044 };
00045 
00046 //---------------------
00047 //cpu usage measurement function
00048 extern float cpupercent;
00049 void measureCPUidle (void const* arg);
00050 
00051 #endif