diff options
Diffstat (limited to 'openpicc/application/tc_fdt.c')
-rw-r--r-- | openpicc/application/tc_fdt.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/openpicc/application/tc_fdt.c b/openpicc/application/tc_fdt.c index 7413e11..2a306ef 100644 --- a/openpicc/application/tc_fdt.c +++ b/openpicc/application/tc_fdt.c @@ -50,16 +50,12 @@ void tc_fdt_set(u_int16_t count) tcfdt->TC_RA = count; } -void __ramfunc tc_fdt_set_to_next_slot(int last_bit) +int tc_fdt_get_next_slot(int reference_time, int slotlen) { - int reference_time; - if(last_bit == 0) reference_time = ISO14443A_FDT_OFFSET_0; - else reference_time = ISO14443A_FDT_OFFSET_1; - - if(tcfdt->TC_SR & AT91C_TC_CLKSTA) + /*if(tcfdt->TC_SR & AT91C_TC_CLKSTA) while(tcfdt->TC_CV != 0xFFFF && (tcfdt->TC_CV - reference_time) % 128 != 0); - tcfdt->TC_CCR = AT91C_TC_SWTRG; - tc_fdt_set(2*128); + tcfdt->TC_CCR = AT91C_TC_SWTRG;*/ + return tcfdt->TC_CV + (slotlen-((tcfdt->TC_CV - reference_time) % slotlen)) + 3*slotlen; } |