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FIX: unused variable removed.

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CHG: start remaking the used timers in "Hf legic write"
This commit is contained in:
iceman1001 2016-10-07 12:23:07 +02:00
parent f0fa663814
commit 27c4a862f6
1 changed files with 7 additions and 17 deletions
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24
armsrc/legicrf.c
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@ -445,24 +445,24 @@ int legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz) {
int next_bit_at = 0;
// ACK 3.6ms = 3600us * 1.5 = 5400ticks.
WaitTicks(5400);
WaitTicks(5300);
ResetTicks();
for( t = 0; t < 80; ++t) {
edges = 0;
next_bit_at += TAG_BIT_PERIOD;
while(timer->TC_CV < next_bit_at) {
while ( GET_TICKS < next_bit_at) {
volatile uint32_t level = (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_DIN);
if(level != old_level)
edges++;
old_level = level;
}
/* expected are 42 edges (ONE) */
if(edges > 20 ) {
int t = timer->TC_CV;
int c = t / TAG_BIT_PERIOD;
ResetTimer(timer);
uint32_t c = (GET_TICKS / TAG_BIT_PERIOD);
legic_prng_forward(c);
return 0;
}
@ -484,13 +484,9 @@ int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv) {
goto OUT;
}
switch_off_tag_rwd();
if (len + offset >= card.cardsize)
len = card.cardsize - offset;
setup_phase_reader(iv);
LED_B_ON();
while (i < len) {
int r = legic_read_byte(offset + i, card.cmdsize);
@ -515,8 +511,6 @@ OUT:
void LegicRfWriter(uint16_t offset, uint16_t len, uint8_t iv, uint8_t *data) {
#define LOWERLIMIT 4
int r = 0;
uint8_t isOK = 1;
legic_card_select_t card;
@ -533,14 +527,10 @@ void LegicRfWriter(uint16_t offset, uint16_t len, uint8_t iv, uint8_t *data) {
goto OUT;
}
switch_off_tag_rwd();
if ( len + offset + LOWERLIMIT >= card.cardsize) {
isOK = 0;
goto OUT;
}
setup_phase_reader(iv);
LED_B_ON();
while( len > 0 ) {