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chg: hf 14a sim / hf mf sim - check buttonpress/usb frame fewer times in order not to disrupt simulation (@McEloff)

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This commit is contained in:
iceman1001 2019-05-23 10:29:33 -04:00
parent f8dbf6138a
commit 33c10f260d
1 changed files with 18 additions and 3 deletions
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21
armsrc/iso14443a.c
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@ -744,7 +744,7 @@ static void Code4bitAnswerAsTag(uint8_t cmd) {
// stop when button is pressed
// or return TRUE when command is captured
//-----------------------------------------------------------------------------
static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *par, int *len) {
static bool GetIso14443aCommandFromReader(uint8_t *received, uint8_t *par, int *len) {
// Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen
// only, since we are receiving, not transmitting).
// Signal field is off with the appropriate LED
@ -758,7 +758,15 @@ static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *par, int *l
uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
(void)b;
while (!BUTTON_PRESS()) {
uint16_t check = 0;
for (;;) {
if ( check == 1000 ) {
if ( BUTTON_PRESS() || usb_poll_validate_length() )
return false;
check = 0;
}
++check;
WDT_HIT();
if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
@ -1704,10 +1712,17 @@ int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *par) {
uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
(void)b;
uint16_t check = 0;
for (;;) {
WDT_HIT();
if (BUTTON_PRESS()) return 1;
if ( check == 1000 ) {
if (BUTTON_PRESS() || usb_poll_validate_length())
return 1;
check = 0;
}
++check;
// test if the field exists
if (AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ADC_CHAN_HF)) {