removed output that slowed down the process, this is to avoid missing frames

[proxmark3-svn] / armsrc / util.c

diff --git a/armsrc/util.c b/armsrc/util.c
index ae2e724738d64f470c966a58dd34322dcaf3f64b..3870a6c68f6a98fd1c1c08bfba760a8229fd033d 100644 (file)
--- a/armsrc/util.c
+++ b/armsrc/util.c
@@ -1,78 +1,35 @@
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-// Utility functions used in many places, not specific to any piece of code.

 // Jonathan Westhues, Sept 2005
 // Jonathan Westhues, Sept 2005

+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Utility functions used in many places, not specific to any piece of code.

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-#include "proxmark3.h"
-#include "apps.h"
-
-void *memcpy(void *dest, const void *src, int len)
-{
-       BYTE *d = dest;
-       const BYTE *s = src;
-       while((len--) > 0) {
-               *d = *s;
-               d++;
-               s++;
-       }
-       return dest;
-}
-
-void *memset(void *dest, int c, int len)
-{
-       BYTE *d = dest;
-       while((len--) > 0) {
-               *d = c;
-               d++;
-       }
-       return dest;
-}
-
-int memcmp(const void *av, const void *bv, int len)
-{
-       const BYTE *a = av;
-       const BYTE *b = bv;
-
-       while((len--) > 0) {
-               if(*a != *b) {
-                       return *a - *b;
-               }
-               a++;
-               b++;
-       }
-       return 0;
-}

 
 

-int strlen(char *str)
-{
-       int l = 0;
-       while(*str) {
-               l++;
-               str++;
+#include "proxmark3.h"
+#include "util.h"
+#include "string.h"
+
+uint32_t SwapBits(uint32_t value, int nrbits) {
+       int i;
+       uint32_t newvalue = 0;
+       for(i = 0; i < nrbits; i++) {
+               newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);

        }
        }

-       return l;
+       return newvalue;

 }
 
 }
 

-char* strncat(char *dest, const char *src, unsigned int n)
-{
-       unsigned int dest_len = strlen(dest);
-       unsigned int i;
-
-       for (i = 0 ; i < n && src[i] != '\0' ; i++)
-               dest[dest_len + i] = src[i];
-       dest[dest_len + i] = '\0';
-
-       return dest;
-}
-
-void num_to_bytes(uint64_t n, size_t len, byte_t* dest)
+void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)

 {
        while (len--) {
 {
        while (len--) {

-               dest[len] = (byte_t) n;
+               dest[len] = (uint8_t) n;

                n >>= 8;
        }
 }
 
                n >>= 8;
        }
 }
 

-uint64_t bytes_to_num(byte_t* src, size_t len)
+uint64_t bytes_to_num(uint8_t* src, size_t len)

 {
        uint64_t num = 0;
        while (len--)
 {
        uint64_t num = 0;
        while (len--)


@@ -139,12 +96,12 @@ int BUTTON_CLICKED(int ms)
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 

-       WORD start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+       uint16_t start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;

 
        int letoff = 0;
        for(;;)
        {
 
        int letoff = 0;
        for(;;)
        {

-               WORD now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+               uint16_t now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;

 
                // We haven't let off the button yet
                if (!letoff)
 
                // We haven't let off the button yet
                if (!letoff)


@@ -162,7 +119,7 @@ int BUTTON_CLICKED(int ms)
                        // Still haven't let it off
                        else
                                // Have we held down a full second?
                        // Still haven't let it off
                        else
                                // Have we held down a full second?

-                               if (now == (WORD)(start + ticks))
+                               if (now == (uint16_t)(start + ticks))

                                        return BUTTON_HOLD;
                }
 
                                        return BUTTON_HOLD;
                }
 


@@ -174,7 +131,7 @@ int BUTTON_CLICKED(int ms)
 
                        // Have we ran out of time to double click?
                        else
 
                        // Have we ran out of time to double click?
                        else

-                               if (now == (WORD)(start + ticks))
+                               if (now == (uint16_t)(start + ticks))

                                        // At least we did a single click
                                        return BUTTON_SINGLE_CLICK;
 
                                        // At least we did a single click
                                        return BUTTON_SINGLE_CLICK;
 


@@ -202,11 +159,11 @@ int BUTTON_HELD(int ms)
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 

-       WORD start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+       uint16_t start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;

 
        for(;;)
        {
 
        for(;;)
        {

-               WORD now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+               uint16_t now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;

 
                // As soon as our button let go, we didn't hold long enough
                if (!BUTTON_PRESS())
 
                // As soon as our button let go, we didn't hold long enough
                if (!BUTTON_PRESS())


@@ -214,7 +171,7 @@ int BUTTON_HELD(int ms)
 
                // Have we waited the full second?
                else
 
                // Have we waited the full second?
                else

-                       if (now == (WORD)(start + ticks))
+                       if (now == (uint16_t)(start + ticks))

                                return BUTTON_HOLD;
 
                WDT_HIT();
                                return BUTTON_HOLD;
 
                WDT_HIT();


@@ -237,11 +194,11 @@ void SpinDelayUs(int us)
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 
        AT91C_BASE_PWMC_CH0->PWMC_CDTYR = 0;
        AT91C_BASE_PWMC_CH0->PWMC_CPRDR = 0xffff;
 

-       WORD start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+       uint16_t start = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;

 
        for(;;) {
 
        for(;;) {

-               WORD now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
-               if (now == (WORD)(start + ticks))
+               uint16_t now = AT91C_BASE_PWMC_CH0->PWMC_CCNTR;
+               if (now == (uint16_t)(start + ticks))

                        return;
 
                WDT_HIT();
                        return;
 
                WDT_HIT();


@@ -287,3 +244,69 @@ void FormatVersionInformation(char *dst, int len, const char *prefix, void *vers
        strncat(dst, " ", len);
        strncat(dst, v->buildtime, len);
 }
        strncat(dst, " ", len);
        strncat(dst, v->buildtime, len);
 }

+
+//  -------------------------------------------------------------------------
+//  timer lib
+//  -------------------------------------------------------------------------
+//  test procedure:
+//
+//     ti = GetTickCount();
+//     SpinDelay(1000);
+//     ti = GetTickCount() - ti;
+//     Dbprintf("timer(1s): %d t=%d", ti, GetTickCount());
+
+void StartTickCount()
+{
+//  must be 0x40, but on my cpu - included divider is optimal
+//  0x20 - 1 ms / bit 
+//  0x40 - 2 ms / bit
+
+       AT91C_BASE_RTTC->RTTC_RTMR = AT91C_RTTC_RTTRST + 0x001D; // was 0x003B
+}
+
+/*
+* Get the current count.
+*/
+uint32_t RAMFUNC GetTickCount(){
+       return AT91C_BASE_RTTC->RTTC_RTVR;// was * 2;
+}
+
+//  -------------------------------------------------------------------------
+//  microseconds timer 
+//  -------------------------------------------------------------------------
+void StartCountUS()
+{
+       AT91C_BASE_PMC->PMC_PCER |= (0x1 << 12) | (0x1 << 13) | (0x1 << 14);
+//     AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC1XC1S_TIOA0;
+       AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE;
+
+       // fast clock
+       AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS; // timer disable
+       AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz)/32 -- tick=1.5mks
+                                                                                                               AT91C_TC_WAVE | AT91C_TC_WAVESEL_UP_AUTO | AT91C_TC_ACPA_CLEAR |
+                                                                                                               AT91C_TC_ACPC_SET | AT91C_TC_ASWTRG_SET;
+       AT91C_BASE_TC0->TC_RA = 1;
+       AT91C_BASE_TC0->TC_RC = 0xBFFF + 1; // 0xC000
+       
+       AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKDIS; // timer disable  
+       AT91C_BASE_TC1->TC_CMR = AT91C_TC_CLKS_XC1; // from timer 0
+
+       AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKEN;
+       AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKEN;
+       AT91C_BASE_TCB->TCB_BCR = 1;
+}
+
+uint32_t RAMFUNC GetCountUS(){
+       return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV / 15) * 10);
+}
+
+static uint32_t GlobalUsCounter = 0;
+
+uint32_t RAMFUNC GetDeltaCountUS(){
+       uint32_t g_cnt = GetCountUS();
+       uint32_t g_res = g_cnt - GlobalUsCounter;
+       GlobalUsCounter = g_cnt;
+       return g_res;
+}
+
+