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authorhenryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2007-12-09 06:06:04 +0000
committerhenryk <henryk@6dc7ffe9-61d6-0310-9af1-9938baff3ed1>2007-12-09 06:06:04 +0000
commitbdc39aadd1a26d7709ff15722be90c016be2057a (patch)
tree6fcc1c756a4edf588818aaf3e973a3dfe64fa395 /openpicc/application/tc_fdt.c
parentbe5251b669e1812fe13668bafe2832d3a574210e (diff)
Make it possible to send long frames for debugging
git-svn-id: https://svn.openpcd.org:2342/trunk@380 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'openpicc/application/tc_fdt.c')
-rw-r--r--openpicc/application/tc_fdt.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/openpicc/application/tc_fdt.c b/openpicc/application/tc_fdt.c
index 03ef5a4..6005125 100644
--- a/openpicc/application/tc_fdt.c
+++ b/openpicc/application/tc_fdt.c
@@ -41,6 +41,7 @@
#include "tc_fdt.h"
#include "usb_print.h"
#include "ssc_picc.h"
+#include "cmd.h"
static AT91PS_TC tcfdt = AT91C_BASE_TC2;
@@ -49,6 +50,18 @@ void tc_fdt_set(u_int16_t count)
tcfdt->TC_RA = count;
}
+void __ramfunc tc_fdt_set_to_next_slot(int last_bit)
+{
+ int reference_time;
+ if(last_bit == 0) reference_time = ISO14443A_FDT_OFFSET_0-FALLING_EDGE_DETECTION_DELAY;
+ else reference_time = ISO14443A_FDT_OFFSET_1-FALLING_EDGE_DETECTION_DELAY;
+
+ 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);
+}
+
/* 'count' number of carrier cycles after the last modulation pause,
* we deem the frame to have ended */
@@ -109,12 +122,12 @@ void tc_fdt_init(void)
/* Clock XC1, Wave Mode, No automatic reset on RC comp
* TIOA2 in RA comp = set, TIOA2 on RC comp = clear,
- * TIOA2 on EEVT = clear
+ * TIOA2 on EEVT = clear, TIOA2 on SWTRG = clear,
* TIOB2 as input, EEVT = TIOB2, Reset/Trigger on EEVT */
tcfdt->TC_CMR = AT91C_TC_CLKS_XC1 | AT91C_TC_WAVE |
AT91C_TC_WAVESEL_UP |
AT91C_TC_ACPA_SET | AT91C_TC_ACPC_CLEAR |
- AT91C_TC_AEEVT_CLEAR |
+ AT91C_TC_AEEVT_CLEAR | AT91C_TC_ASWTRG_CLEAR |
AT91C_TC_BEEVT_NONE | AT91C_TC_BCPB_NONE |
AT91C_TC_EEVT_TIOB | AT91C_TC_ETRGEDG_FALLING |
AT91C_TC_ENETRG | AT91C_TC_CPCSTOP ;
personal git repositories of Harald Welte. Your mileage may vary