From ca8a3478d949a03953129ec34d209a9c80079252 Mon Sep 17 00:00:00 2001 From: pwpiwi Date: Sun, 24 Mar 2019 18:04:42 +0100 Subject: [PATCH 1/1] iso14443b modifications (#804) * LED handling * improve 'hf plot' support --- armsrc/iso14443a.c | 2 +- armsrc/iso14443b.c | 41 +++++++++++++++++++++++++++-------------- 2 files changed, 28 insertions(+), 15 deletions(-) diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c index d3d0138b..2f4baf17 100644 --- a/armsrc/iso14443a.c +++ b/armsrc/iso14443a.c @@ -2591,12 +2591,12 @@ void RAMFUNC SniffMifare(uint8_t param) { } // main cycle + FpgaDisableTracing(); FpgaDisableSscDma(); LEDsoff(); DbpString("COMMAND FINISHED."); - FpgaDisableTracing(); MfSniffEnd(); Dbprintf("maxDataLen=%x, Uart.state=%x, Uart.len=%x", maxDataLen, Uart.state, Uart.len); diff --git a/armsrc/iso14443b.c b/armsrc/iso14443b.c index 3ebaa539..5e770a77 100644 --- a/armsrc/iso14443b.c +++ b/armsrc/iso14443b.c @@ -327,6 +327,7 @@ static int GetIso14443bCommandFromReader(uint8_t *received, uint16_t *len) //----------------------------------------------------------------------------- void SimulateIso14443bTag(void) { + LED_A_ON(); // the only commands we understand is WUPB, AFI=0, Select All, N=1: static const uint8_t cmd1[] = { 0x05, 0x00, 0x08, 0x39, 0x73 }; // WUPB // ... and REQB, AFI=0, Normal Request, N=1: @@ -465,6 +466,9 @@ void SimulateIso14443bTag(void) LogTrace(resp, respLen, 0, 0, NULL, false); } + + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LED_A_OFF(); } //============================================================================= @@ -861,6 +865,7 @@ static void CodeAndTransmit14443bAsReader(const uint8_t *cmd, int len) */ int iso14443b_apdu(uint8_t const *message, size_t message_length, uint8_t *response) { + LED_A_ON(); uint8_t message_frame[message_length + 4]; // PCB message_frame[0] = 0x0A | pcb_blocknum; @@ -875,8 +880,10 @@ int iso14443b_apdu(uint8_t const *message, size_t message_length, uint8_t *respo CodeAndTransmit14443bAsReader(message_frame, message_length + 4); // get response GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); + FpgaDisableTracing(); if(Demod.len < 3) { + LED_A_OFF(); return 0; } // TODO: Check CRC @@ -885,6 +892,7 @@ int iso14443b_apdu(uint8_t const *message, size_t message_length, uint8_t *respo { memcpy(response, Demod.output, Demod.len); } + LED_A_OFF(); return Demod.len; } @@ -957,6 +965,7 @@ void iso14443b_setup() { //----------------------------------------------------------------------------- void ReadSTMemoryIso14443b(uint32_t dwLast) { + LED_A_ON(); uint8_t i = 0x00; FpgaDownloadAndGo(FPGA_BITSTREAM_HF); @@ -984,9 +993,9 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); if (Demod.len == 0) { - DbpString("No response from tag"); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + DbpString("No response from tag"); + LEDsoff(); return; } else { Dbprintf("Randomly generated Chip ID (+ 2 byte CRC): %02x %02x %02x", @@ -1001,24 +1010,24 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) CodeAndTransmit14443bAsReader(cmd1, sizeof(cmd1)); GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); if (Demod.len != 3) { - Dbprintf("Expected 3 bytes from tag, got %d", Demod.len); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + Dbprintf("Expected 3 bytes from tag, got %d", Demod.len); + LEDsoff(); return; } // Check the CRC of the answer: ComputeCrc14443(CRC_14443_B, Demod.output, 1 , &cmd1[2], &cmd1[3]); if(cmd1[2] != Demod.output[1] || cmd1[3] != Demod.output[2]) { - DbpString("CRC Error reading select response."); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + DbpString("CRC Error reading select response."); + LEDsoff(); return; } // Check response from the tag: should be the same UID as the command we just sent: if (cmd1[1] != Demod.output[0]) { - Dbprintf("Bad response to SELECT from Tag, aborting: %02x %02x", cmd1[1], Demod.output[0]); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + Dbprintf("Bad response to SELECT from Tag, aborting: %02x %02x", cmd1[1], Demod.output[0]); + LEDsoff(); return; } @@ -1029,9 +1038,9 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) CodeAndTransmit14443bAsReader(cmd1, 3); // Only first three bytes for this one GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); if (Demod.len != 10) { - Dbprintf("Expected 10 bytes from tag, got %d", Demod.len); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + Dbprintf("Expected 10 bytes from tag, got %d", Demod.len); + LEDsoff(); return; } // The check the CRC of the answer (use cmd1 as temporary variable): @@ -1060,9 +1069,9 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) CodeAndTransmit14443bAsReader(cmd1, sizeof(cmd1)); GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); if (Demod.len != 6) { // Check if we got an answer from the tag - DbpString("Expected 6 bytes from tag, got less..."); - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + DbpString("Expected 6 bytes from tag, got less..."); + LEDsoff(); return; } // The check the CRC of the answer (use cmd1 as temporary variable): @@ -1082,8 +1091,8 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) i++; } - LED_D_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); } @@ -1106,6 +1115,7 @@ void ReadSTMemoryIso14443b(uint32_t dwLast) */ void RAMFUNC SnoopIso14443b(void) { + LED_A_ON(); FpgaDownloadAndGo(FPGA_BITSTREAM_HF); BigBuf_free(); @@ -1221,13 +1231,13 @@ void RAMFUNC SnoopIso14443b(void) } FpgaDisableSscDma(); - LEDsoff(); DbpString("Snoop statistics:"); Dbprintf(" Max behind by: %i", maxBehindBy); Dbprintf(" Uart State: %x", Uart.state); Dbprintf(" Uart ByteCnt: %i", Uart.byteCnt); Dbprintf(" Uart ByteCntMax: %i", Uart.byteCntMax); Dbprintf(" Trace length: %i", BigBuf_get_traceLen()); + LEDsoff(); } @@ -1260,9 +1270,12 @@ void SendRawCommand14443B(uint32_t datalen, uint32_t recv, uint8_t powerfield, u if(recv) { GetSamplesFor14443bDemod(RECEIVE_SAMPLES_TIMEOUT, true); + FpgaDisableTracing(); uint16_t iLen = MIN(Demod.len, USB_CMD_DATA_SIZE); cmd_send(CMD_ACK, iLen, 0, 0, Demod.output, iLen); } + + FpgaDisableTracing(); } if(!powerfield) { -- 2.39.5