CHG: syntax suger

[proxmark3-svn] / armsrc / util.c

diff --git a/armsrc/util.c b/armsrc/util.c
index 4fffb60e24b089d8c556a919c702cdeef7662c77..640809e068bd4719826fe2fc134a602d70f184be 100644 (file)
--- a/armsrc/util.c
+++ b/armsrc/util.c
@@ -17,21 +17,25 @@
 
 
 void print_result(char *name, uint8_t *buf, size_t len) {
-   uint8_t *p = buf;
+       uint8_t *p = buf;
 
-   if ( len % 16 == 0 ) {
-          for(; p-buf < len; p += 16)
-       Dbprintf("[%s:%d/%d] %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+       if ( len % 16 == 0 ) {
+               for(; p-buf < len; p += 16)
+                       Dbprintf("[%s:%d/%d] %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
                                name,
                                p-buf,
                                len,
                                p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]
-          );
-   }
-   else {
-   for(; p-buf < len; p += 8)
-       Dbprintf("[%s:%d/%d] %02x %02x %02x %02x %02x %02x %02x %02x", name, p-buf, len, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
-   }
+                       );
+       }
+       else {
+               for(; p-buf < len; p += 8)
+                       Dbprintf("[%s:%d/%d] %02x %02x %02x %02x %02x %02x %02x %02x",
+                               name,
+                               p-buf,
+                               len,
+                               p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
+       }
 }
 
 size_t nbytes(size_t nbits) {
@@ -39,27 +43,23 @@ size_t nbytes(size_t nbits) {
 }
 
 uint32_t SwapBits(uint32_t value, int nrbits) {
-       int i;
        uint32_t newvalue = 0;
-       for(i = 0; i < nrbits; i++) {
+       for(int i = 0; i < nrbits; i++) {
                newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);
        }
        return newvalue;
 }
 
-void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
-{
+void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) {
        while (len--) {
                dest[len] = (uint8_t) n;
                n >>= 8;
        }
 }
 
-uint64_t bytes_to_num(uint8_t* src, size_t len)
-{
+uint64_t bytes_to_num(uint8_t* src, size_t len) {
        uint64_t num = 0;
-       while (len--)
-       {
+       while (len--) {
                num = (num << 8) | (*src);
                src++;
        }
@@ -67,7 +67,7 @@ uint64_t bytes_to_num(uint8_t* src, size_t len)
 }
 
 // RotateLeft - Ultralight, Desfire
-void rol(uint8_t *data, const size_t len){
+void rol(uint8_t *data, const size_t len) {
     uint8_t first = data[0];
     for (size_t i = 0; i < len-1; i++) {
         data[i] = data[i+1];
@@ -332,8 +332,8 @@ void StartCountUS()
        // 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_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
        
@@ -348,17 +348,18 @@ void StartCountUS()
 uint32_t RAMFUNC GetCountUS(){
        //return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV / 15) * 10);
        //  By suggestion from PwPiwi, http://www.proxmark.org/forum/viewtopic.php?pid=17548#p17548
-       return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV * 2) / 3); 
+       //return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV * 2) / 3); 
+       return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV << 1) / 3); 
 }
 
-static uint32_t GlobalUsCounter = 0;
+// 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;
-}
+// uint32_t RAMFUNC GetDeltaCountUS(){
+       // uint32_t g_cnt = GetCountUS();
+       // uint32_t g_res = g_cnt - GlobalUsCounter;
+       // GlobalUsCounter = g_cnt;
+       // return g_res;
+// }
 
 
 //  -------------------------------------------------------------------------
@@ -423,13 +424,9 @@ void StartCountSspClk()
 }
 
 uint32_t RAMFUNC GetCountSspClk(){
-       uint32_t tmp_count;
-       tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
-       if ((tmp_count & 0x0000ffff) == 0) { //small chance that we may have missed an increment in TC2
+       uint32_t tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
+       if ((tmp_count & 0x0000ffff) == 0)  //small chance that we may have missed an increment in TC2
                return (AT91C_BASE_TC2->TC_CV << 16);
-       } 
-       else {
-               return tmp_count;
-       }
+       return tmp_count;
 }