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Make style. Change DBG_DEBUG. Refactor CRC calculation

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This commit is contained in:
Thomas Sutter 2019-10-21 09:59:15 +02:00
commit e7f7810d22
3 changed files with 96 additions and 68 deletions
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34
armsrc/felica.c
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@ -229,21 +229,21 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
// timed-out
if (len == 0) {
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("Error: Time out card selection!");
return 1;
}
// wrong answer
if (FelicaFrame.framebytes[3] != FELICA_POLL_ACK) {
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("Error: Wrong answer selecting card!");
return 2;
}
// VALIDATE CRC residue is 0, hence if crc is a value it failed.
if (!check_crc(CRC_FELICA, FelicaFrame.framebytes + 2, FelicaFrame.len - 2)) {
if (DBGLEVEL > 3) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Error: CRC check failed!");
Dbprintf("CRC check was done on Frame: ");
Dbhexdump(FelicaFrame.len - 2, FelicaFrame.framebytes + 2, 0);
@ -251,7 +251,7 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
return 3;
}
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("Card selection successful!");
// copy UID
// idm 8
@ -263,7 +263,7 @@ static uint8_t felica_select_card(felica_card_select_t *card) {
memcpy(card->uid, card->IDm + 2, 6);
memcpy(card->iccode, card->PMm, 2);
memcpy(card->mrt, card->PMm + 2, 6);
if (DBGLEVEL > 3) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Received Frame: ");
Dbhexdump(FelicaFrame.len, FelicaFrame.framebytes, 0);
}
@ -365,7 +365,7 @@ static void TransmitFor18092_AsReader(uint8_t *frame, int len, uint32_t *timing,
}
// sending data with sync bytes
c = 0;
if (DBGLEVEL > 3) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Sending frame:");
Dbhexdump(len, frame, 0);
}
@ -403,7 +403,7 @@ static void TransmitFor18092_AsReader(uint8_t *frame, int len, uint32_t *timing,
// stop when button is pressed
// or return TRUE when command is captured
bool WaitForFelicaReply(uint16_t maxbytes) {
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("WaitForFelicaReply Start");
uint32_t c = 0;
// power, no modulation
@ -413,7 +413,7 @@ bool WaitForFelicaReply(uint16_t maxbytes) {
// clear RXRDY:
uint8_t b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
uint32_t timeout = iso18092_get_timeout();
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("timeout set: %i", timeout);
for (;;) {
WDT_HIT();
@ -435,10 +435,10 @@ bool WaitForFelicaReply(uint16_t maxbytes) {
NULL,
false
);
if (DBGLEVEL > 3) Dbprintf("All bytes received! STATE_FULL");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("All bytes received! STATE_FULL");
return true;
} else if (c++ > timeout && FelicaFrame.state == STATE_UNSYNCD) {
if (DBGLEVEL > 3) Dbprintf("Error: Timeout! STATE_UNSYNCD");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("Error: Timeout! STATE_UNSYNCD");
return false;
}
}
@ -448,7 +448,7 @@ bool WaitForFelicaReply(uint16_t maxbytes) {
// Set up FeliCa communication (similar to iso14443a_setup)
// field is setup for "Sending as Reader"
static void iso18092_setup(uint8_t fpga_minor_mode) {
if (DBGLEVEL > 3) Dbprintf("Start iso18092_setup");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("Start iso18092_setup");
LEDsoff();
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
@ -501,7 +501,7 @@ void felica_reset_frame_mode() {
// arg1 len of commandbytes
// d.asBytes command bytes to send
void felica_sendraw(PacketCommandNG *c) {
if (DBGLEVEL > 3) Dbprintf("FeliCa_sendraw Enter");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("FeliCa_sendraw Enter");
felica_command_t param = c->oldarg[0];
size_t len = c->oldarg[1] & 0xffff;
@ -511,7 +511,7 @@ void felica_sendraw(PacketCommandNG *c) {
felica_card_select_t card;
if ((param & FELICA_CONNECT))
if (DBGLEVEL > 3) Dbprintf("Clear trace");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("Clear trace");
clear_trace();
set_tracing(true);
@ -530,7 +530,7 @@ void felica_sendraw(PacketCommandNG *c) {
}
}
} else {
if (DBGLEVEL > 3) Dbprintf("No card selection");
if (DBGLEVEL >= DBG_DEBUG) Dbprintf("No card selection");
}
if ((param & FELICA_RAW)) {
@ -551,14 +551,14 @@ void felica_sendraw(PacketCommandNG *c) {
AddCrc(buf, len);
}
}
if (DBGLEVEL > 3) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Transmit Frame (no CRC shown):");
Dbhexdump(len, buf, 0);
Dbprintf("Buffer Length: %i", buf[2] + 4);
};
TransmitFor18092_AsReader(buf, buf[2] + 4, NULL, 1, 0);
arg0 = WaitForFelicaReply(1024);
if (DBGLEVEL > 3) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Received Frame Code: %d", arg0);
Dbhexdump(FelicaFrame.len, FelicaFrame.framebytes, 0);
};
@ -571,7 +571,7 @@ void felica_sendraw(PacketCommandNG *c) {
if ((param & FELICA_NO_DISCONNECT)) {
Dbprintf("Disconnect");
}
if (DBGLEVEL > 3)
if (DBGLEVEL >= DBG_DEBUG)
Dbprintf("FeliCa_sendraw Exit");
felica_reset_frame_mode();
return;