X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1929af0c9e70cbc2411628e14f70f86ef555dfed..d714d3effc50b7761dd308c6b0864deea14bd483:/armsrc/util.c diff --git a/armsrc/util.c b/armsrc/util.c index 6d34ae5e..905bad25 100644 --- a/armsrc/util.c +++ b/armsrc/util.c @@ -363,8 +363,6 @@ void StartCountSspClk() // while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_FRAME)); // wait for ssp_frame to go high (start of frame) while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_FRAME); // wait for ssp_frame to be low - // after the falling edge of ssp_frame, there is delay of 1/13,56MHz (73ns) until the next rising edge of ssp_clk. This are only a few - // processor cycles. We therefore may or may not be able to sync on this edge. Therefore better make sure that we miss it: while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)); // wait for ssp_clk to go high // note: up to now two ssp_clk rising edges have passed since the rising edge of ssp_frame // it is now safe to assert a sync signal. This sets all timers to 0 on next active clock edge