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change: re-added trace log

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This commit is contained in:
Andreas Dröscher 2018-08-08 15:40:49 +02:00
commit 0d0b651246
2 changed files with 26 additions and 3 deletions
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25
armsrc/legicrf.c
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@ -151,6 +151,9 @@ static void tx_frame(uint32_t frame, uint8_t len) {
last_frame_end += RWD_FRAME_WAIT; last_frame_end += RWD_FRAME_WAIT;
while(GET_TICKS < last_frame_end) { }; while(GET_TICKS < last_frame_end) { };
// backup ts for trace log
uint32_t last_frame_start = last_frame_end;
// transmit frame, MSB first // transmit frame, MSB first
for(uint8_t i = 0; i < len; ++i) { for(uint8_t i = 0; i < len; ++i) {
bool bit = (frame >> i) & 0x01; bool bit = (frame >> i) & 0x01;
@ -163,6 +166,10 @@ static void tx_frame(uint32_t frame, uint8_t len) {
last_frame_end += RWD_TIME_PAUSE; last_frame_end += RWD_TIME_PAUSE;
while(GET_TICKS < last_frame_end) { }; while(GET_TICKS < last_frame_end) { };
HIGH(GPIO_SSC_DOUT); HIGH(GPIO_SSC_DOUT);
// log
uint8_t cmdbytes[] = {len, BYTEx(frame, 0), BYTEx(frame, 1), BYTEx(frame, 2)};
LogTrace(cmdbytes, sizeof(cmdbytes), last_frame_start, last_frame_end, NULL, true);
} }
static uint32_t rx_frame(uint8_t len) { static uint32_t rx_frame(uint8_t len) {
@ -174,6 +181,9 @@ static uint32_t rx_frame(uint8_t len) {
last_frame_end += TAG_FRAME_WAIT; last_frame_end += TAG_FRAME_WAIT;
while(GET_TICKS < last_frame_end) { }; while(GET_TICKS < last_frame_end) { };
// backup ts for trace log
uint32_t last_frame_start = last_frame_end;
uint32_t frame = 0; uint32_t frame = 0;
for(uint8_t i = 0; i < len; i++) { for(uint8_t i = 0; i < len; i++) {
frame |= (rx_bit() ^ legic_prng_get_bit()) << i; frame |= (rx_bit() ^ legic_prng_get_bit()) << i;
@ -184,6 +194,10 @@ static uint32_t rx_frame(uint8_t len) {
while(GET_TICKS < last_frame_end) { }; while(GET_TICKS < last_frame_end) { };
} }
// log
uint8_t cmdbytes[] = {len, BYTEx(frame, 0), BYTEx(frame, 1)};
LogTrace(cmdbytes, sizeof(cmdbytes), last_frame_start, last_frame_end, NULL, false);
return frame; return frame;
} }
@ -197,6 +211,9 @@ static bool rx_ack() {
last_frame_end += TAG_FRAME_WAIT; last_frame_end += TAG_FRAME_WAIT;
while(GET_TICKS < last_frame_end) { }; while(GET_TICKS < last_frame_end) { };
// backup ts for trace log
uint32_t last_frame_start = last_frame_end;
uint32_t ack = 0; uint32_t ack = 0;
for(uint8_t i = 0; i < TAG_WRITE_TIMEOUT; ++i) { for(uint8_t i = 0; i < TAG_WRITE_TIMEOUT; ++i) {
// sample bit // sample bit
@ -213,6 +230,10 @@ static bool rx_ack() {
} }
} }
// log
uint8_t cmdbytes[] = {1, BYTEx(ack, 0)};
LogTrace(cmdbytes, sizeof(cmdbytes), last_frame_start, last_frame_end, NULL, false);
return ack; return ack;
} }
@ -293,6 +314,8 @@ static uint32_t setup_phase_reader(uint8_t iv) {
last_frame_end = GET_TICKS; last_frame_end = GET_TICKS;
// Switch on carrier and let the card charge for 5ms. // Switch on carrier and let the card charge for 5ms.
last_frame_end += 7500;
// Use the time to calibrate the treshhold. // Use the time to calibrate the treshhold.
input_threshold = 8; // heuristically determined input_threshold = 8; // heuristically determined
do { do {
@ -300,7 +323,7 @@ static uint32_t setup_phase_reader(uint8_t iv) {
if(sample > input_threshold) { if(sample > input_threshold) {
input_threshold = sample; input_threshold = sample;
} }
} while(GET_TICKS < last_frame_end + 7500); } while(GET_TICKS < last_frame_end);
// Set threshold to noise floor * 2 // Set threshold to noise floor * 2
input_threshold <<= 1; input_threshold <<= 1;