X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d41efbf21b66e47b0ae7b4154bebf77669f4b607..f4d7d1fed17809ea9d7b919bd32265d2b6cc895f:/armsrc/ticks.c diff --git a/armsrc/ticks.c b/armsrc/ticks.c index 44249879..dcff99f4 100644 --- a/armsrc/ticks.c +++ b/armsrc/ticks.c @@ -9,7 +9,6 @@ // Timers, Clocks functions used in LF or Legic where you would need detailed time. //----------------------------------------------------------------------------- #include "ticks.h" - // attempt at high resolution microsecond timer // beware: timer counts in 21.3uS increments (1024/48Mhz) void SpinDelayUs(int us) { @@ -67,7 +66,7 @@ uint32_t RAMFUNC GetTickCount(void){ // microseconds timer // ------------------------------------------------------------------------- void StartCountUS(void) { - AT91C_BASE_PMC->PMC_PCER |= (1 << 12) | (1 << 13) | (1 << 14); + AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1); AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE; // fast clock @@ -95,12 +94,11 @@ uint32_t RAMFUNC GetCountUS(void){ return (AT91C_BASE_TC1->TC_CV * 0x8000) + ((AT91C_BASE_TC0->TC_CV * 2) / 3); } - // ------------------------------------------------------------------------- // Timer for iso14443 commands. Uses ssp_clk from FPGA // ------------------------------------------------------------------------- void StartCountSspClk(void) { - AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1) | (1 << AT91C_ID_TC2); // Enable Clock to all timers + AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1) | (1 << AT91C_ID_TC2); // Enable Clock to all timers AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_TIOA1 // XC0 Clock = TIOA1 | AT91C_TCB_TC1XC1S_NONE // XC1 Clock = none | AT91C_TCB_TC2XC2S_TIOA0; // XC2 Clock = TIOA0 @@ -163,7 +161,6 @@ void ResetSspClk(void) { AT91C_BASE_TC2->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG; while (AT91C_BASE_TC2->TC_CV >= 1); } - uint32_t RAMFUNC GetCountSspClk(void) { 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 @@ -171,7 +168,6 @@ uint32_t RAMFUNC GetCountSspClk(void) { return tmp_count; } - // ------------------------------------------------------------------------- // Timer for bitbanging, or LF stuff when you need a very precis timer // 1us = 1.5ticks @@ -180,7 +176,7 @@ void StartTicks(void){ //initialization of the timer // tc1 is higher 0xFFFF0000 // tc0 is lower 0x0000FFFF - AT91C_BASE_PMC->PMC_PCER |= (1 << 12) | (1 << 13) | (1 << 14); + AT91C_BASE_PMC->PMC_PCER |= (1 << AT91C_ID_TC0) | (1 << AT91C_ID_TC1); AT91C_BASE_TCB->TCB_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_TIOA0 | AT91C_TCB_TC2XC2S_NONE; AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS; AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz) / 32