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sniffer: display F and D values frim PPS 

Change-Id: I3641dcb6c24695a6d3dd3a1ee4333f56a07c99f0
This commit is contained in:
Kevin Redon 2018-07-03 15:57:03 +02:00
parent de6e3488a0
commit 05cc8bd36a
3 changed files with 9 additions and 3 deletions
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6
firmware/libcommon/include/iso7816_fidi.h
View File

@ -2,5 +2,11 @@
#include <stdint.h>
/* Table 7 of ISO 7816-3:2006 */
extern const uint16_t fi_table[];
/* Table 8 from ISO 7816-3:2006 */
extern const uint8_t di_table[];
/* compute the F/D ratio based on Fi and Di values */
int compute_fidi_ratio(uint8_t fi, uint8_t di);

4
firmware/libcommon/source/iso7816_fidi.c
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@ -24,13 +24,13 @@
#include "iso7816_fidi.h"
/* Table 7 of ISO 7816-3:2006 */
static const uint16_t fi_table[] = {
const uint16_t fi_table[] = {
372, 372, 558, 744, 1116, 1488, 1860, 0,
0, 512, 768, 1024, 1536, 2048, 0, 0
};
/* Table 8 from ISO 7816-3:2006 */
static const uint8_t di_table[] = {
const uint8_t di_table[] = {
0, 1, 2, 4, 8, 16, 32, 64,
12, 20, 2, 4, 8, 16, 32, 64,
};

2
firmware/libcommon/source/sniffer.c
View File

@ -566,7 +566,7 @@ static void process_byte_pps(uint8_t byte)
fn = 1;
dn = 1;
}
TRACE_INFO("PPS negotiation successful: Fn=%u Dn=%u\n\r", fn, dn);
TRACE_INFO("PPS negotiation successful: Fn=%u Dn=%u\n\r", fi_table[fn], di_table[dn]);
update_fidi(sniff_usart.base, pps_cur[2]);
usb_send_fidi(pps_cur[2]); /* send Fi/Di change notification to host software over USB */
} else { /* checksum is invalid */