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REM: removed some unused code, GetDeltaCountUS() and a global counter variable. Its not used anywere.

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CHG:  syntax suger
This commit is contained in:
iceman1001 2016-04-11 15:26:15 +02:00
commit 41863885d0
1 changed files with 26 additions and 23 deletions
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31
armsrc/util.c
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@ -30,7 +30,11 @@ void print_result(char *name, uint8_t *buf, size_t len) {
} }
else { else {
for(; p-buf < len; p += 8) 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]); 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]);
} }
} }
@ -46,16 +50,14 @@ uint32_t SwapBits(uint32_t value, int nrbits) {
return newvalue; 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--) { while (len--) {
dest[len] = (uint8_t) n; dest[len] = (uint8_t) n;
n >>= 8; 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; uint64_t num = 0;
while (len--) { while (len--) {
num = (num << 8) | (*src); num = (num << 8) | (*src);
@ -65,7 +67,7 @@ uint64_t bytes_to_num(uint8_t* src, size_t len)
} }
// RotateLeft - Ultralight, Desfire // 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]; uint8_t first = data[0];
for (size_t i = 0; i < len-1; i++) { for (size_t i = 0; i < len-1; i++) {
data[i] = data[i+1]; data[i] = data[i+1];
@ -346,17 +348,18 @@ void StartCountUS()
uint32_t RAMFUNC GetCountUS(){ uint32_t RAMFUNC GetCountUS(){
//return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV / 15) * 10); //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 // 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 RAMFUNC GetDeltaCountUS(){
uint32_t g_cnt = GetCountUS(); // uint32_t g_cnt = GetCountUS();
uint32_t g_res = g_cnt - GlobalUsCounter; // uint32_t g_res = g_cnt - GlobalUsCounter;
GlobalUsCounter = g_cnt; // GlobalUsCounter = g_cnt;
return g_res; // return g_res;
} // }
// ------------------------------------------------------------------------- // -------------------------------------------------------------------------