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rework 14b apdu timeout computations

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This commit is contained in:
Philippe Teuwen 2020-12-18 02:14:50 +01:00
commit 975034854d
2 changed files with 5 additions and 5 deletions
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6
armsrc/iso14443b.c
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@ -1201,7 +1201,7 @@ static int Get14443bAnswerFromTag(uint8_t *response, uint16_t max_len, int timeo
if (Handle14443bSamplesFromTag(ci, cq)) { if (Handle14443bSamplesFromTag(ci, cq)) {
*eof_time = dma_start_time + (samples) - DELAY_TAG_TO_ARM; // end of EOF *eof_time = GetCountSspClkDelta(dma_start_time) - (DELAY_TAG_TO_ARM * 128); // end of EOF
if (Demod.len > Demod.max_len) { if (Demod.len > Demod.max_len) {
ret = -2; // overflow ret = -2; // overflow
@ -1209,7 +1209,7 @@ static int Get14443bAnswerFromTag(uint8_t *response, uint16_t max_len, int timeo
break; break;
} }
if (samples > timeout && Demod.state < DEMOD_PHASE_REF_TRAINING) { if (((GetCountSspClkDelta(dma_start_time) >> 7) > timeout) && Demod.state < DEMOD_PHASE_REF_TRAINING) {
ret = -1; ret = -1;
break; break;
} }
@ -1225,7 +1225,7 @@ static int Get14443bAnswerFromTag(uint8_t *response, uint16_t max_len, int timeo
- (Demod.len * (8 + 2)) // time for byte transfers - (Demod.len * (8 + 2)) // time for byte transfers
- (12) // time for SOF transfer - (12) // time for SOF transfer
- (12); // time for EOF transfer - (12); // time for EOF transfer
LogTrace(Demod.output, Demod.len, (sof_time * 4), (*eof_time * 4), NULL, false); LogTrace(Demod.output, Demod.len, sof_time, *eof_time, NULL, false);
} }
return Demod.len; return Demod.len;
} }

4
client/src/cmdhf14b.c
View file

@ -26,7 +26,7 @@
#include "mifare/ndef.h" // NDEFRecordsDecodeAndPrint #include "mifare/ndef.h" // NDEFRecordsDecodeAndPrint
#define TIMEOUT 2000 #define TIMEOUT 2000
#define APDU_TIMEOUT 4000 #define APDU_TIMEOUT 2000
// iso14b apdu input frame length // iso14b apdu input frame length
static uint16_t apdu_frame_length = 0; static uint16_t apdu_frame_length = 0;
@ -1450,7 +1450,7 @@ static int handle_14b_apdu(bool chainingin, uint8_t *datain, int datainlen, bool
SendCommandMIX(CMD_HF_ISO14443B_COMMAND, ISO14B_APDU | flags, 0, time_wait, NULL, 0); SendCommandMIX(CMD_HF_ISO14443B_COMMAND, ISO14B_APDU | flags, 0, time_wait, NULL, 0);
PacketResponseNG resp; PacketResponseNG resp;
if (WaitForResponseTimeout(CMD_HF_ISO14443B_COMMAND, &resp, APDU_TIMEOUT)) { if (WaitForResponseTimeout(CMD_HF_ISO14443B_COMMAND, &resp, MAX(APDU_TIMEOUT, user_timeout))) {
uint8_t *recv = resp.data.asBytes; uint8_t *recv = resp.data.asBytes;
int rlen = resp.oldarg[0]; int rlen = resp.oldarg[0];
uint8_t res = resp.oldarg[1]; uint8_t res = resp.oldarg[1];