//-----------------------------------------------------------------------------
-// Utility functions used in many places, not specific to any piece of code.
// 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;
+#include "proxmark3.h"
+#include "util.h"
+#include "string.h"
- while((len--) > 0) {
- if(*a != *b) {
- return *a - *b;
- }
- a++;
- b++;
- }
- return 0;
+size_t nbytes(size_t nbits) {
+ return (nbits/8)+((nbits%8)>0);
}
-int strlen(char *str)
-{
- int l = 0;
- while(*str) {
- l++;
- str++;
+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;
-}
-
-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;
+ return newvalue;
}
-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--) {
- dest[len] = (byte_t) n;
+ dest[len] = (uint8_t) n;
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--)
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(;;)
{
- 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)
// 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;
}
// 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;
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(;;)
{
- 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())
// Have we waited the full second?
else
- if (now == (WORD)(start + ticks))
+ if (now == (uint16_t)(start + ticks))
return BUTTON_HOLD;
WDT_HIT();
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(;;) {
- 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();
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;
+}
+
+
projects / proxmark3-svn / blobdiff