X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/0de8e3874d6524379550a50a4d9c29faf2d239ea..eb5206bd209dd91acd469d21658b3dd2313c0be7:/armsrc/util.c?ds=sidebyside diff --git a/armsrc/util.c b/armsrc/util.c index 3d536f39..c00fa011 100644 --- a/armsrc/util.c +++ b/armsrc/util.c @@ -39,9 +39,8 @@ 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; @@ -74,6 +73,7 @@ void rol(uint8_t *data, const size_t len){ } data[len-1] = first; } + void lsl (uint8_t *data, size_t len) { for (size_t n = 0; n < len - 1; n++) { data[n] = (data[n] << 1) | (data[n+1] >> 7); @@ -421,15 +421,10 @@ void StartCountSspClk() while (AT91C_BASE_TC0->TC_CV < 0xFFF0); } - 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; }