Diff: main.cpp

Revision:

0:16f8af9370b6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jan 06 16:08:33 2017 +0000
@@ -0,0 +1,440 @@
+//********************************************************
+//**   "DHRYSTONE" Benchmark C, Version 2.1         ******
+//**            for  ARM Cortex-M7 MCU C++          ******
+//**   ( ST Nucleo-144 Stm32F746 and Stm32F767 )    ******
+//**   Based on work by Ken Boakby for Ardiono IDE  ******
+//**                modified by                     ******
+//**            Jovan Ivkovic 2017.                 ******
+//**         JovanEps (jovan.eps@gmail.com).        ******
+//********************************************************
+#include "mbed.h"
+#include "dhry.h"
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX);
+Timer timer;
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+/* the following is optional depending on the timing function used */
+#include <time.h>
+
+
+/* Global Variables: */
+
+Rec_Pointer Ptr_Glob,Next_Ptr_Glob;
+int Int_Glob;
+Booleann Bool_Glob;
+char Ch_1_Glob, Ch_2_Glob;
+int Arr_1_Glob[25];        /* <-- changed from 50 */
+int Arr_2_Glob[25][25];   /* <-- changed from 50 */
+
+char Reg_Define[] = "Register option selected.";
+
+#ifndef ROPT
+#define REG
+/* REG becomes defined as empty */
+/* i.e. no register variables   */
+#else
+#define REG register
+#endif
+
+
+/* Procedure for the assignment of structures,          */
+/* if the C compiler doesn't support this feature       */
+#ifdef  NOSTRUCTASSIGN
+memcpy (d, s, l)
+register char   *d;
+register char   *s;
+register int    l;
+{
+    while (l--) *d++ = *s++;
+}
+#endif
+
+/* variables for time measurement: */
+
+#define Too_Small_Time 1000000
+/* Measurements should last at least 1-2 seconds */
+
+uint32_t      Begin_Time,
+              End_Time,
+              User_Time;
+
+double        Microseconds,
+              Dhrystones_Per_Second,
+              Vax_Mips;
+
+/* end of variables for time measurement */
+
+void Proc_1( REG Rec_Pointer Ptr_Val_Par );
+void Proc_2( One_Fifty * Int_Par_Ref );
+void Proc_3( Rec_Pointer * Ptr_Ref_Par );
+void Proc_4( void );
+void Proc_5( void );
+
+
+
+//************************************
+//**    "DHRYSTONE" Benchmark       **
+//**        SUB                     **
+//************************************
+void DHRYSTONE() // ------------ Metoda -----------
+{
+//* main program, corresponds to procedures        */
+//**************************************************************
+    One_Fifty       Int_1_Loc;
+    REG   One_Fifty       Int_2_Loc;
+    One_Fifty       Int_3_Loc;
+    REG   char            Ch_Index;
+    Enumeration     Enum_Loc;
+    Str_30          Str_1_Loc;
+    Str_30          Str_2_Loc;
+    REG   long            Run_Index;
+    REG   long            Number_Of_Runs;
+
+//**************************************************************
+    /* Initializations */
+//**************************************************************
+
+    pc.printf("\n Dhrystone Benchmark, Version 2.1 (Language: C)");
+    pc.printf("Beginning DHRYSTONE Benchmark \n");
+    pc.printf("Default MCU clock is 216 MHz \n");
+    
+    Next_Ptr_Glob = (Rec_Pointer)malloc (sizeof (Rec_Type));
+    Ptr_Glob = (Rec_Pointer)malloc (sizeof (Rec_Type));
+
+    Ptr_Glob->Ptr_Comp                    = Next_Ptr_Glob;
+    Ptr_Glob->Discr                       = Ident_1;
+    Ptr_Glob->variant.var_1.Enum_Comp     = Ident_3;
+    Ptr_Glob->variant.var_1.Int_Comp      = 40;
+    strcpy (Ptr_Glob->variant.var_1.Str_Comp,
+            "DHRYSTONE PROGRAM, SOME STRING");
+    strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");
+
+    Arr_2_Glob [8][7] = 10;
+    /* Was missing in published program. Without this statement,    */
+    /* Arr_2_Glob [8][7] would have an undefined value.             */
+    /* Warning: With 16-Bit processors and Number_Of_Runs > 32000,  */
+    /* overflow may occur for this array element.                   */
+
+    Number_Of_Runs = 2000000;
+
+    pc.printf("Execution starts, ");
+    pc.printf("%d", Number_Of_Runs);
+    pc.printf("\n runs through Dhrystone");
+    pc.printf("\n") ;
+
+    /***************/
+    /* Start timer */
+    /***************/
+    timer.start();
+    Begin_Time = timer.read_us();
+    //****************************
+
+    for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index) {
+        Proc_5();
+        Proc_4();
+        /* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
+        Int_1_Loc = 2;
+        Int_2_Loc = 3;
+        strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
+        Enum_Loc = Ident_2;
+        Bool_Glob = !Func_2(Str_1_Loc, Str_2_Loc);
+        /* Bool_Glob == 1 */
+        while (Int_1_Loc < Int_2_Loc) { /* loop body executed once */
+            Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
+            /* Int_3_Loc == 7 */
+            Proc_7(Int_1_Loc, Int_2_Loc, &Int_3_Loc);
+            /* Int_3_Loc == 7 */
+            Int_1_Loc += 1;
+        } /* while */
+        /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
+        Proc_8(Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
+        /* Int_Glob == 5 */
+        Proc_1 (Ptr_Glob);
+        for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
+            /* loop body executed twice */
+        {
+            if (Enum_Loc == Func_1(Ch_Index, 'C'))
+                /* then, not executed */
+            {
+                Proc_6(Ident_1, &Enum_Loc);
+                strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
+                Int_2_Loc = Run_Index;
+                Int_Glob = Run_Index;
+            }
+        }
+        /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
+        Int_2_Loc = Int_2_Loc * Int_1_Loc;
+        Int_1_Loc = Int_2_Loc / Int_3_Loc;
+        Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
+        /* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
+        Proc_2 (&Int_1_Loc);
+        /* Int_1_Loc == 5 */
+
+    } /* loop "for Run_Index" */
+
+    /**************/
+    /* Stop timer */
+    /**************/
+
+    End_Time = timer.read_us();
+    User_Time = End_Time - Begin_Time;
+
+    pc.printf("\n  Execution ends in : ");
+    pc.printf("%d us \n", User_Time);
+
+    if (User_Time < Too_Small_Time) {
+        pc.printf("\n Measured time too small to obtain meaningful results");
+        pc.printf("\n Please increase number of runs");
+        pc.printf("\n");
+    } else {
+        Microseconds = (double) User_Time / (double) Number_Of_Runs;
+        Dhrystones_Per_Second = (double) Number_Of_Runs / ((double) User_Time / 1000000.0);
+        Vax_Mips = Dhrystones_Per_Second / 1757.0;
+    }
+    pc.printf("\n Microseconds for one run through Dhrystone: ");
+    pc.printf("%9.2f \n", Microseconds);
+    pc.printf("\n Dhrystones per Second: ");
+    pc.printf("%9.2f \n",Dhrystones_Per_Second);
+    pc.printf("\n VAX MIPS rating = ");
+    pc.printf("%9.2f \n",Vax_Mips);
+
+    timer.reset();
+    timer.stop();
+}
+
+//**************************************************************
+void Proc_1( REG Rec_Pointer Ptr_Val_Par )
+//**************************************************************
+{
+    REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
+    /* == Ptr_Glob_Next */
+    /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp,    */
+    /* corresponds to "rename" in Ada, "with" in Pascal           */
+
+    structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
+    Ptr_Val_Par->variant.var_1.Int_Comp = 5;
+    Next_Record->variant.var_1.Int_Comp
+    = Ptr_Val_Par->variant.var_1.Int_Comp;
+    Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
+    Proc_3 (&Next_Record->Ptr_Comp);
+    /* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
+                        == Ptr_Glob->Ptr_Comp */
+    if (Next_Record->Discr == Ident_1)
+        /* then, executed */
+    {
+        Next_Record->variant.var_1.Int_Comp = 6;
+        Proc_6(Ptr_Val_Par->variant.var_1.Enum_Comp,
+               &Next_Record->variant.var_1.Enum_Comp);
+        Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
+        Proc_7(Next_Record->variant.var_1.Int_Comp, 10,
+               &Next_Record->variant.var_1.Int_Comp);
+    } else /* not executed */
+        structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
+} /* Proc_1 */
+
+//**************************************************************
+void Proc_2( One_Fifty * Int_Par_Ref )
+{
+//**************************************************************
+    One_Fifty  Int_Loc;
+    Enumeration   Enum_Loc;
+
+    Int_Loc = *Int_Par_Ref + 10;
+    do /* executed once */
+        if (Ch_1_Glob == 'A')
+            /* then, executed */
+        {
+            Int_Loc -= 1;
+            *Int_Par_Ref = Int_Loc - Int_Glob;
+            Enum_Loc = Ident_1;
+        } /* if */
+    while (Enum_Loc != Ident_1); /* true */
+}
+
+//**************************************************************
+void Proc_3( Rec_Pointer * Ptr_Ref_Par )
+{
+//**************************************************************
+    if (Ptr_Glob != Null) {
+        /* then, executed */
+        *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
+    }
+    Proc_7(10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
+} /* Proc_3 */
+
+//**************************************************************
+void Proc_4( void )
+{
+//**************************************************************
+    Booleann Bool_Loc;
+
+    Bool_Loc = Ch_1_Glob == 'A';
+    Bool_Glob = Bool_Loc | Bool_Glob;
+    Ch_2_Glob = 'B';
+} /* Proc_4 */
+
+//**************************************************************
+void Proc_5( void )
+{
+//**************************************************************
+    Ch_1_Glob = 'A';
+    Bool_Glob = false;
+} /* Proc_5 */
+
+
+
+Booleann Func_3( Enumeration Enum_Par_Val );
+
+//**************************************************************
+void Proc_6( Enumeration Enum_Val_Par, Enumeration * Enum_Ref_Par )
+{
+//**************************************************************
+    *Enum_Ref_Par = Enum_Val_Par;
+    if (! Func_3 (Enum_Val_Par))
+        /* then, not executed */
+        *Enum_Ref_Par = Ident_4;
+    switch (Enum_Val_Par) {
+        case Ident_1:
+            *Enum_Ref_Par = Ident_1;
+            break;
+        case Ident_2:
+            if (Int_Glob > 100)
+                /* then */
+                *Enum_Ref_Par = Ident_1;
+            else *Enum_Ref_Par = Ident_4;
+            break;
+        case Ident_3: /* executed */
+            *Enum_Ref_Par = Ident_2;
+            break;
+        case Ident_4:
+            break;
+        case Ident_5:
+            *Enum_Ref_Par = Ident_3;
+            break;
+    } /* switch */
+}
+
+//**************************************************************
+void Proc_7( One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val,
+             One_Fifty * Int_Par_Ref )
+{
+//**************************************************************
+    One_Fifty Int_Loc;
+
+    Int_Loc = Int_1_Par_Val + 2;
+    *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
+} /* Proc_7 */
+
+//**************************************************************
+void Proc_8( Arr_1_Dim Arr_1_Par_Ref, Arr_2_Dim Arr_2_Par_Ref,
+             int Int_1_Par_Val, int Int_2_Par_Val )
+{
+//**************************************************************
+    REG One_Fifty Int_Index;
+    REG One_Fifty Int_Loc;
+
+    Int_Loc = Int_1_Par_Val + 5;
+    Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val;
+    Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc];
+    Arr_1_Par_Ref [Int_Loc+15] = Int_Loc;
+    for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index)
+        Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc;
+    Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1;
+    Arr_2_Par_Ref [Int_Loc+10] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
+    Int_Glob = 5;
+} /* Proc_8 */
+
+//**************************************************************
+Enumeration Func_1( Capital_Letter Ch_1_Par_Val, Capital_Letter Ch_2_Par_Val )
+{
+//**************************************************************
+
+    Capital_Letter        Ch_1_Loc;
+    Capital_Letter        Ch_2_Loc;
+
+    Ch_1_Loc = Ch_1_Par_Val;
+    Ch_2_Loc = Ch_1_Loc;
+    if (Ch_2_Loc != Ch_2_Par_Val)
+        /* then, executed */
+        return (Ident_1);
+    else { /* not executed */
+        Ch_1_Glob = Ch_1_Loc;
+        return (Ident_2);
+    }
+} /* Func_1 */
+
+//**************************************************************
+Booleann Func_2( Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref )
+{
+//**************************************************************
+
+    REG One_Thirty Int_Loc;
+    Capital_Letter Ch_Loc;
+
+    Int_Loc = 2;
+    while (Int_Loc <= 2) /* loop body executed once */
+        if (Func_1 (Str_1_Par_Ref[Int_Loc],
+                    Str_2_Par_Ref[Int_Loc+1]) == Ident_1)
+            /* then, executed */
+        {
+            Ch_Loc = 'A';
+            Int_Loc += 1;
+        } /* if, while */
+    if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
+        /* then, not executed */
+        Int_Loc = 7;
+    if (Ch_Loc == 'R')
+        /* then, not executed */
+        return (true);
+    else { /* executed */
+        if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0)
+            /* then, not executed */
+        {
+            Int_Loc += 7;
+            Int_Glob = Int_Loc;
+            return (true);
+        } else /* executed */
+            return (false);
+    } /* if Ch_Loc */
+} /* Func_2 */
+
+//**************************************************************
+Booleann Func_3( Enumeration Enum_Par_Val )
+{
+//**************************************************************
+    Enumeration Enum_Loc;
+
+    Enum_Loc = Enum_Par_Val;
+    if (Enum_Loc == Ident_3)
+        /* then, executed */
+        return (true);
+    else /* not executed */
+        return (false);
+} /* Func_3 */
+//**************************************************************
+
+
+
+//*********************************
+//**         MAIN block          **
+//*********************************
+int main()
+{
+    pc.baud(9600);
+
+    while(1) {
+        myled= !myled;
+
+        DHRYSTONE(); //Call
+
+        myled= !myled;
+        wait_us(3);
+    }
+}
+
+
+//**************************************************************