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			790 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			790 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| //-----------------------------------------------------------------------------
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| // Copyright (C) 2016 iceman
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| //
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| // This code is licensed to you under the terms of the GNU GPL, version 2 or,
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| // at your option, any later version. See the LICENSE.txt file for the text of
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| // the license.
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| //-----------------------------------------------------------------------------
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| // Analyse bytes commands
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| //-----------------------------------------------------------------------------
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| #include "cmdusart.h"
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| 
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| #include <stdlib.h>       // size_t
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| #include <string.h>
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| #include <stdio.h>
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| #include <ctype.h>
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| 
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| #include "cmdparser.h"    // command_t
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| #include "commonutil.h"  // ARRAYLEN
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| #include "comms.h"
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| #include "util_posix.h"
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| #include "usart_defs.h"
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| #include "ui.h"           // PrintAndLog
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| 
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| static int CmdHelp(const char *Cmd);
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| 
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| static int usage_usart_bt_pin(void) {
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|     PrintAndLogEx(NORMAL, "Change BT add-on PIN");
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|     PrintAndLogEx(NORMAL, "WARNING: this requires");
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|     PrintAndLogEx(NORMAL, "      1) BTpower to be turned ON");
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|     PrintAndLogEx(NORMAL, "      2) BT add-on to NOT be connected");
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|     PrintAndLogEx(NORMAL, "      => the add-on blue LED must blink");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart btpin [h] d NNNN");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     PrintAndLogEx(NORMAL, "           d NNNN     Desired PIN");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Example:");
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|     PrintAndLogEx(NORMAL, "      usart btpin 1234");
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|     PrintAndLogEx(NORMAL, "expected output: nothing");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_bt_factory(void) {
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|     PrintAndLogEx(NORMAL, "Reset BT add-on to factory settings");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: process only if strictly needed!"));
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|     PrintAndLogEx(NORMAL, "This requires");
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|     PrintAndLogEx(NORMAL, "      1) BTpower to be turned ON");
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|     PrintAndLogEx(NORMAL, "      2) BT add-on to NOT be connected");
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|     PrintAndLogEx(NORMAL, "      => the add-on blue LED must blink");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart btfactory [h]");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_tx(void) {
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|     PrintAndLogEx(NORMAL, "Send string over USART");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: it will have side-effects if used in USART HOST mode!"));
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart tx [h] d \"string\"");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     PrintAndLogEx(NORMAL, "           d string   string to send");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Examples:");
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|     PrintAndLogEx(NORMAL, "      usart tx d \"AT+VERSION\"");
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|     PrintAndLogEx(NORMAL, "      usart tx d \"AT+VERSION\\r\\n\"");
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|     PrintAndLogEx(NORMAL, "expected output: nothing");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_txhex(void) {
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|     PrintAndLogEx(NORMAL, "Send bytes over USART");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: it will have side-effects if used in USART HOST mode!"));
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart txhex [h] d <bytes>");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     PrintAndLogEx(NORMAL, "           d <bytes>  bytes to send");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Examples:");
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|     PrintAndLogEx(NORMAL, "      usart txhex d 504d33620a80000000010100f09f988ef09fa5b36233");
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|     PrintAndLogEx(NORMAL, "expected output: nothing");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_rx(void) {
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|     PrintAndLogEx(NORMAL, "Receive string over USART [t <timeout>]");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: it will have side-effects if used in USART HOST mode!"));
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart rx [h]");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     PrintAndLogEx(NORMAL, "           t <timeout> timeout in ms, default is 0ms");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "expected output: Received string");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_rxhex(void) {
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|     PrintAndLogEx(NORMAL, "Receive bytes over USART");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: it will have side-effects if used in USART HOST mode!"));
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart rxhex [h] [t <timeout>]");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h          This help");
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|     PrintAndLogEx(NORMAL, "           t <timeout> timeout in ms, default is 0ms");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "expected output: Received bytes");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_txrx(void) {
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|     PrintAndLogEx(NORMAL, "Send string over USART and wait for response");
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|     PrintAndLogEx(NORMAL, _YELLOW_("WARNING: if used in USART HOST mode, you can only send AT commands"));
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|     PrintAndLogEx(NORMAL, _YELLOW_("to add-on when BT connection is not established (LED needs to be blinking)"));
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|     PrintAndLogEx(NORMAL, _RED_("Any other usage in USART HOST mode will have side-effects!"));
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart txrx [h] [t <timeout>] d \"string\"");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h           This help");
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|     PrintAndLogEx(NORMAL, "           t <timeout> timeout in ms, default is 1000ms");
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|     PrintAndLogEx(NORMAL, "           d string    string to send");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Examples:");
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|     PrintAndLogEx(NORMAL, "    Talking to the BT add-on (when no connection):");
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|     PrintAndLogEx(NORMAL, "      usart txrx d \"AT+VERSION\"");
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|     PrintAndLogEx(NORMAL, "    Talking to a target requiring longer time and end-of-line chars:");
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|     PrintAndLogEx(NORMAL, "      usart txrx t 2000 d \"AT+SOMESTUFF\\r\\n\"");
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|     PrintAndLogEx(NORMAL, "expected output: Received string");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usage_usart_config(void) {
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|     PrintAndLogEx(NORMAL, "Configure USART");
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|     PrintAndLogEx(NORMAL, _RED_("WARNING: it will have side-effects if used in USART HOST mode!"));
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|     PrintAndLogEx(NORMAL, "The changes are not permanent, restart Proxmark3 to get default settings back.");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Usage:  usart config [h] [b <baudrate>] [p <N|O|E>]");
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|     PrintAndLogEx(NORMAL, "Options:");
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|     PrintAndLogEx(NORMAL, "           h             This help");
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|     PrintAndLogEx(NORMAL, "           b <baudrate>  Baudrate");
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|     PrintAndLogEx(NORMAL, "           p <N|O|E>     Parity (None/Odd/Even)");
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(NORMAL, "Examples:");
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|     PrintAndLogEx(NORMAL, "      usart config b 9600");
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|     PrintAndLogEx(NORMAL, "      usart config b 9600 p N");
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|     PrintAndLogEx(NORMAL, "      usart config p E");
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|     return PM3_SUCCESS;
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| }
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| 
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| static int usart_tx(uint8_t *data, size_t len) {
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|     clearCommandBuffer();
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|     SendCommandNG(CMD_USART_TX, data, len);
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|     PacketResponseNG resp;
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|     if (!WaitForResponseTimeout(CMD_USART_TX, &resp, 1000)) {
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|         return PM3_ETIMEOUT;
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|     }
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|     return resp.status;
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| }
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| 
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| static int usart_rx(uint8_t *data, size_t *len, uint32_t waittime) {
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|     clearCommandBuffer();
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|     struct {
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|         uint32_t waittime;
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|     } PACKED payload;
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|     payload.waittime = waittime;
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|     SendCommandNG(CMD_USART_RX, (uint8_t *)&payload, sizeof(payload));
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|     PacketResponseNG resp;
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|     if (!WaitForResponseTimeout(CMD_USART_RX, &resp, waittime + 500)) {
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|         return PM3_ETIMEOUT;
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|     }
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|     if (resp.status == PM3_SUCCESS) {
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|         *len = resp.length;
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|         memcpy(data, resp.data.asBytes, resp.length);
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|     }
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|     return resp.status;
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| }
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| 
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| static int usart_txrx(uint8_t *srcdata, size_t srclen, uint8_t *dstdata, size_t *dstlen, uint32_t waittime) {
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|     clearCommandBuffer();
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|     struct payload_header {
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|         uint32_t waittime;
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|     } PACKED;
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|     struct {
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|         struct payload_header header;
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|         uint8_t data[PM3_CMD_DATA_SIZE - sizeof(uint32_t)];
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|     } PACKED payload;
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|     payload.header.waittime = waittime;
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|     if (srclen >= sizeof(payload.data))
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|         return PM3_EOVFLOW;
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|     memcpy(payload.data, srcdata, srclen);
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|     SendCommandNG(CMD_USART_TXRX, (uint8_t *)&payload, srclen + sizeof(payload.header));
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|     PacketResponseNG resp;
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|     if (!WaitForResponseTimeout(CMD_USART_TXRX, &resp, waittime + 500)) {
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|         return PM3_ETIMEOUT;
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|     }
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|     if (resp.status == PM3_SUCCESS) {
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|         *dstlen = resp.length;
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|         memcpy(dstdata, resp.data.asBytes, resp.length);
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|     }
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|     return resp.status;
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| }
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| 
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| static int set_usart_config(uint32_t baudrate, uint8_t parity) {
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|     clearCommandBuffer();
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|     struct {
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|         uint32_t baudrate;
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|         uint8_t parity;
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|     } PACKED payload;
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|     payload.baudrate = baudrate;
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|     payload.parity = parity;
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|     SendCommandNG(CMD_USART_CONFIG, (uint8_t *)&payload, sizeof(payload));
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|     PacketResponseNG resp;
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|     if (!WaitForResponseTimeout(CMD_USART_CONFIG, &resp, 1000)) {
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|         return PM3_ETIMEOUT;
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|     }
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|     return resp.status;
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| }
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| 
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| static int CmdUsartConfig(const char *Cmd) {
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|     uint8_t cmdp = 0;
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|     bool errors = false;
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|     uint32_t baudrate = 0;
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|     uint8_t parity = 0;
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|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
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|         switch (tolower(param_getchar(Cmd, cmdp))) {
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|             case 'h':
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|                 return usage_usart_config();
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|             case 'p':
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|                 switch (tolower(param_getchar(Cmd, cmdp + 1))) {
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|                     case 'n':
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|                         parity = 'N';
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|                         break;
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|                     case 'o':
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|                         parity = 'O';
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|                         break;
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|                     case 'e':
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|                         parity = 'E';
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|                         break;
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|                     default:
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|                         PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp + 1));
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|                         errors = true;
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|                         break;
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|                 }
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|                 cmdp += 2;
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|                 break;
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|             case 'b':
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|                 baudrate = param_get32ex(Cmd, cmdp + 1, 0, 10);
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|                 if (baudrate == 0) {
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|                     PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp + 1));
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|                     errors = true;
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|                 }
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|                 cmdp += 2;
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|                 break;
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|             default:
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|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
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|                 errors = true;
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|                 break;
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|         }
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|     }
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|     //Validations
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|     if (errors || ((baudrate == 0) && (parity == 0))) {
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|         usage_usart_config();
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|         return PM3_EINVARG;
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|     }
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|     return set_usart_config(baudrate, parity);
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| }
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| 
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| static int usart_bt_testcomm(uint32_t baudrate, uint8_t parity) {
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|     int ret = set_usart_config(baudrate, parity);
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|     if (ret != PM3_SUCCESS)
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|         return ret;
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| 
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|     char *string = "AT+VERSION";
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|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
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|     size_t len = 0;
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| 
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|     PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s at %u 8%c1", strlen(string), (int)strlen(string), string, baudrate, parity);
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| 
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|     ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000); // such large timeout needed
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|     if (ret == PM3_SUCCESS) {
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|         PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
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|         if (strcmp((char *)data, "hc01.comV2.0") == 0) {
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|             PrintAndLogEx(SUCCESS, "Add-on " _GREEN_("found!"));
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|             return PM3_SUCCESS;
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|         }
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|     }
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|     return PM3_ENODATA;
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| }
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| 
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| static int CmdUsartBtFactory(const char *Cmd) {
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| // take care to define compatible settings:
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| # define BTADDON_BAUD_AT  "AT+BAUD8"
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| # define BTADDON_BAUD_NUM "115200"
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|     uint8_t cmdp = 0;
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|     bool errors = false;
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|     uint32_t baudrate = 0;
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|     uint8_t parity = 0;
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|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
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|         switch (tolower(param_getchar(Cmd, cmdp))) {
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|             case 'h':
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|                 return usage_usart_bt_factory();
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|             default:
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|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
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|                 errors = true;
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|                 break;
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|         }
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|     }
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|     //Validations
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|     if (errors) {
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|         usage_usart_bt_factory();
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|         return PM3_EINVARG;
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|     }
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| 
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|     if (USART_BAUD_RATE != atoi(BTADDON_BAUD_NUM)) {
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|         PrintAndLogEx(WARNING, _RED_("WARNING:") "current Proxmark3 firmware has default USART baudrate = %i", USART_BAUD_RATE);
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|         PrintAndLogEx(WARNING, "Current btfactory implementation is hardcoded to " BTADDON_BAUD_NUM " bauds");
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|         return PM3_ENOTIMPL;
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|     }
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| 
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|     PrintAndLogEx(WARNING, _RED_("WARNING: process only if strictly needed!"));
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|     PrintAndLogEx(WARNING, "This requires BT turned ON and NOT connected!");
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|     PrintAndLogEx(WARNING, "Is the add-on blue light blinking? (Say 'n' if you want to abort) [y/n]");
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| 
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|     char input[3];
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|     if ((fgets(input, sizeof(input), stdin) == NULL) || (strncmp(input, "y\n", sizeof(input)) != 0)) {
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|         PrintAndLogEx(NORMAL, "");
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|         PrintAndLogEx(FAILED, "Aborting.");
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|         return PM3_EOPABORTED;
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|     }
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| 
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|     PrintAndLogEx(NORMAL, "");
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|     PrintAndLogEx(INFO, "Trying to detect current settings... Please be patient.");
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| 
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|     bool found = usart_bt_testcomm(USART_BAUD_RATE, USART_PARITY) == PM3_SUCCESS;
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|     if (found) {
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|         baudrate = USART_BAUD_RATE;
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|         parity = USART_PARITY;
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|     } else {
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|         uint32_t brs[] = {1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1382400};
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|         uint8_t ps[] = { 'N', 'O', 'E' };
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|         for (uint8_t ip = 0; (ip < ARRAYLEN(ps)) && (!found); ip++) {
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|             for (uint8_t ibr = 0; (ibr < ARRAYLEN(brs)) && (!found); ibr++) {
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|                 found = usart_bt_testcomm(brs[ibr], ps[ip]) == PM3_SUCCESS;
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|                 if (found) {
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|                     baudrate = brs[ibr];
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|                     parity = ps[ip];
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|                 }
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|             }
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|         }
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|     }
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| 
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|     if (!found) {
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|         PrintAndLogEx(FAILED, "Sorry, add-on not found. Abort.");
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|         return PM3_ESOFT;
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|     }
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| 
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|     PrintAndLogEx(INFO, "Reconfiguring add-on to default settings.");
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|     char *string;
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|     uint8_t data[PM3_CMD_DATA_SIZE];
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|     size_t len = 0;
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|     memset(data, 0, sizeof(data));
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| 
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|     string = "AT+NAMEPM3_RDV4.0";
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|     PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s", strlen(string), (int)strlen(string), string);
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| 
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|     int ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
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|     if (ret == PM3_SUCCESS) {
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|         PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
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|         if (strcmp((char *)data, "OKsetname") == 0) {
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|             PrintAndLogEx(SUCCESS, "Name set to " _GREEN_("PM3_RDV4.0"));
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|         } else {
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|             PrintAndLogEx(WARNING, "Unexpected response to AT+NAME: " _YELLOW_("%.*s"), (int)len, data);
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|         }
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|     } else {
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|         PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
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|         return PM3_ESOFT;
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|     }
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| 
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|     memset(data, 0, sizeof(data));
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|     len = 0;
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|     string = "AT+ROLE=S";
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|     PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s", strlen(string), (int)strlen(string), string);
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| 
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|     ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
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|     if (ret == PM3_SUCCESS) {
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|         PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
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|         if (strcmp((char *)data, "OK+ROLE:S") == 0) {
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|             PrintAndLogEx(SUCCESS, "Role set to " _GREEN_("Slave"));
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|         } else {
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|             PrintAndLogEx(WARNING, "Unexpected response to AT+ROLE=S: " _YELLOW_("%.*s"), (int)len, data);
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|         }
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|     } else {
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|         PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
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|         return PM3_ESOFT;
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|     }
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| 
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|     memset(data, 0, sizeof(data));
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|     len = 0;
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|     string = "AT+PIN1234";
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|     PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s", strlen(string), (int)strlen(string), string);
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| 
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|     ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
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|     if (ret == PM3_SUCCESS) {
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|         PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
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|         if (strcmp((char *)data, "OKsetPIN") == 0) {
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|             PrintAndLogEx(SUCCESS, "PIN set to " _GREEN_("1234"));
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|         } else {
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|             PrintAndLogEx(WARNING, "Unexpected response to AT+PIN: " _YELLOW_("%.*s"), (int)len, data);
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|         }
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|     } else {
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|         PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
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|         return PM3_ESOFT;
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|     }
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| 
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|     // parity must be changed before baudrate
 | |
|     if (parity != USART_PARITY) {
 | |
|         memset(data, 0, sizeof(data));
 | |
|         len = 0;
 | |
|         string = "AT+PN";
 | |
|         PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s", strlen(string), (int)strlen(string), string);
 | |
| 
 | |
|         ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
 | |
|         if (ret == PM3_SUCCESS) {
 | |
|             PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
 | |
|             if (strcmp((char *)data, "OK None") == 0) {
 | |
|                 PrintAndLogEx(SUCCESS, "Parity set to " _GREEN_("None"));
 | |
|             } else {
 | |
|                 PrintAndLogEx(WARNING, "Unexpected response to AT+P: " _YELLOW_("%.*s"), (int)len, data);
 | |
|             }
 | |
|         } else {
 | |
|             PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
 | |
|             return PM3_ESOFT;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (baudrate != USART_BAUD_RATE) {
 | |
|         memset(data, 0, sizeof(data));
 | |
|         len = 0;
 | |
|         string = BTADDON_BAUD_AT;
 | |
|         PrintAndLogEx(SUCCESS, "TX (%3zu):%.*s", strlen(string), (int)strlen(string), string);
 | |
| 
 | |
|         ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 1000);
 | |
|         if (ret == PM3_SUCCESS) {
 | |
|             PrintAndLogEx(SUCCESS, "RX (%3zu):%.*s", len, (int)len, data);
 | |
|             if (strcmp((char *)data, "OK" BTADDON_BAUD_NUM) == 0) {
 | |
|                 PrintAndLogEx(SUCCESS, "Baudrate set to " _GREEN_(BTADDON_BAUD_NUM));
 | |
|             } else {
 | |
|                 PrintAndLogEx(WARNING, "Unexpected response to AT+BAUD: " _YELLOW_("%.*s"), (int)len, data);
 | |
|             }
 | |
|         } else {
 | |
|             PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
 | |
|             return PM3_ESOFT;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if ((baudrate != USART_BAUD_RATE) || (parity != USART_PARITY)) {
 | |
|         PrintAndLogEx(WARNING, "Add-on uart settings changed, please turn BT add-on OFF and ON again, then press Enter.");
 | |
|         while (!kbd_enter_pressed()) {
 | |
|             msleep(200);
 | |
|         }
 | |
|         PrintAndLogEx(NORMAL, "");
 | |
|         PrintAndLogEx(INFO, "Trying to connect add-on with the new settings.");
 | |
|         found = usart_bt_testcomm(USART_BAUD_RATE, USART_PARITY) == PM3_SUCCESS;
 | |
|         if (!found) {
 | |
|             PrintAndLogEx(WARNING, "Lost contact with add-on, please try again");
 | |
|             return PM3_ESOFT;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     PrintAndLogEx(SUCCESS, "Add-on successfully " _GREEN_("reset"));
 | |
|     return PM3_SUCCESS;
 | |
| }
 | |
| 
 | |
| static int CmdUsartBtPin(const char *Cmd) {
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     char pin[5] = {0};
 | |
| 
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_bt_pin();
 | |
|             case 'd':
 | |
|                 if (param_getstr(Cmd, cmdp + 1, pin, sizeof(pin)) != sizeof(pin) - 1) {
 | |
|                     PrintAndLogEx(FAILED, "PIN has wrong length, must be 4 digits");
 | |
|                     errors = true;
 | |
|                     break;
 | |
|                 }
 | |
|                 for (size_t i = 0; i < sizeof(pin) - 1; i++) {
 | |
|                     if ((pin[i] < '0') || (pin[i] > '9')) {
 | |
|                         PrintAndLogEx(FAILED, "PIN has wrong char \"%c\", must be 4 digits", pin[i]);
 | |
|                         errors = true;
 | |
|                         break;
 | |
|                     }
 | |
|                 }
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     //Validations
 | |
|     if (errors || cmdp == 0) {
 | |
|         usage_usart_bt_pin();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
| 
 | |
|     char string[6 + sizeof(pin)] = {0};
 | |
|     sprintf(string, "AT+PIN%s", pin);
 | |
|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
 | |
|     size_t len = 0;
 | |
|     int ret = usart_txrx((uint8_t *)string, strlen(string), data, &len, 600);
 | |
| 
 | |
|     if (ret == PM3_ENODATA) {
 | |
|         PrintAndLogEx(FAILED, "No response from add-on, is it ON and blinking?");
 | |
|         return ret;
 | |
|     }
 | |
| 
 | |
|     if (ret != PM3_SUCCESS) {
 | |
|         PrintAndLogEx(FAILED, "Command failed, ret=%i", ret);
 | |
|         return ret;
 | |
|     }
 | |
| 
 | |
|     if (strcmp((char *)data, "OKsetPIN") == 0) {
 | |
|         PrintAndLogEx(NORMAL, "PIN changed " _GREEN_("successfully"));
 | |
|     } else {
 | |
|         PrintAndLogEx(WARNING, "Unexpected answer: %.*s", (int)len, data);
 | |
|     }
 | |
|     return PM3_SUCCESS;
 | |
| }
 | |
| 
 | |
| static int CmdUsartTX(const char *Cmd) {
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     char string[PM3_CMD_DATA_SIZE] = {0};
 | |
| 
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_tx();
 | |
|             case 'd':
 | |
|                 if (param_getstr(Cmd, cmdp + 1, string, sizeof(string)) >= sizeof(string)) {
 | |
|                     PrintAndLogEx(FAILED, "String too long");
 | |
|                     errors = true;
 | |
|                     break;
 | |
|                 }
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
|     //Validations
 | |
|     if (errors || cmdp == 0) {
 | |
|         usage_usart_tx();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
|     char string2[PM3_CMD_DATA_SIZE] = {0};
 | |
|     size_t i2 = 0;
 | |
|     size_t n = strlen(string);
 | |
|     for (size_t i = 0; i < n; i++) {
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == '\\')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\\';
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == '"')) {
 | |
|             i++;
 | |
|             string2[i2++] = '"';
 | |
|             continue;
 | |
|         }
 | |
|         if (string[i] == '"') {
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == 'r')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\r';
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == 'n')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\n';
 | |
|             continue;
 | |
|         }
 | |
|         string2[i2++] = string[i];
 | |
|     }
 | |
|     return usart_tx((uint8_t *)string2, strlen(string2));
 | |
| }
 | |
| 
 | |
| static int CmdUsartRX(const char *Cmd) {
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     uint32_t waittime = 0;
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_rx();
 | |
|             case 't':
 | |
|                 waittime = param_get32ex(Cmd, cmdp + 1, 0, 10);
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
|     //Validations
 | |
|     if (errors) {
 | |
|         usage_usart_rx();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
 | |
|     size_t len = 0;
 | |
|     int ret = usart_rx(data, &len, waittime);
 | |
|     if (ret != PM3_SUCCESS)
 | |
|         return ret;
 | |
|     PrintAndLogEx(NORMAL, "RX:%.*s", (int)len, data);
 | |
|     return PM3_SUCCESS;
 | |
| }
 | |
| 
 | |
| static int CmdUsartTXRX(const char *Cmd) {
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     char string[PM3_CMD_DATA_SIZE] = {0};
 | |
|     uint32_t waittime = 1000;
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_txrx();
 | |
|             case 'd':
 | |
|                 if (param_getstr(Cmd, cmdp + 1, string, sizeof(string)) >= sizeof(string)) {
 | |
|                     PrintAndLogEx(FAILED, "String too long");
 | |
|                     errors = true;
 | |
|                     break;
 | |
|                 }
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             case 't':
 | |
|                 waittime = param_get32ex(Cmd, cmdp + 1, 1000, 10);
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
|     //Validations
 | |
|     if (errors || cmdp == 0) {
 | |
|         usage_usart_txrx();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
|     char string2[PM3_CMD_DATA_SIZE] = {0};
 | |
|     size_t i2 = 0;
 | |
|     size_t n = strlen(string);
 | |
|     for (size_t i = 0; i < n; i++) {
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == '\\')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\\';
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == '"')) {
 | |
|             i++;
 | |
|             string2[i2++] = '"';
 | |
|             continue;
 | |
|         }
 | |
|         if (string[i] == '"') {
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == 'r')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\r';
 | |
|             continue;
 | |
|         }
 | |
|         if ((i < n - 1) && (string[i] == '\\') && (string[i + 1] == 'n')) {
 | |
|             i++;
 | |
|             string2[i2++] = '\n';
 | |
|             continue;
 | |
|         }
 | |
|         string2[i2++] = string[i];
 | |
|     }
 | |
|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
 | |
|     size_t len = 0;
 | |
|     PrintAndLogEx(NORMAL, "TX (%3zu):%.*s", strlen(string2), (int)strlen(string2), string2);
 | |
|     int ret = usart_txrx((uint8_t *)string2, strlen(string2), data, &len, waittime);
 | |
|     if (ret != PM3_SUCCESS)
 | |
|         return ret;
 | |
|     PrintAndLogEx(NORMAL, "RX (%3zu):%.*s", len, (int)len, data);
 | |
|     return PM3_SUCCESS;
 | |
| }
 | |
| 
 | |
| static int CmdUsartTXhex(const char *Cmd) {
 | |
|     int hexlen, len = 0;
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_txhex();
 | |
|             case 'd':
 | |
|                 if (param_gethex_ex(Cmd, cmdp + 1, data, &hexlen)) {
 | |
|                     PrintAndLogEx(ERR, "Error parsing bytes");
 | |
|                     return PM3_EINVARG;
 | |
|                 }
 | |
|                 len = hexlen >> 1;
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
|     //Validations
 | |
|     if (errors || cmdp == 0) {
 | |
|         usage_usart_txhex();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
|     return usart_tx(data, len);
 | |
| }
 | |
| 
 | |
| static int CmdUsartRXhex(const char *Cmd) {
 | |
|     uint8_t cmdp = 0;
 | |
|     bool errors = false;
 | |
|     uint32_t waittime = 0;
 | |
|     while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
 | |
|         switch (tolower(param_getchar(Cmd, cmdp))) {
 | |
|             case 'h':
 | |
|                 return usage_usart_rxhex();
 | |
|             case 't':
 | |
|                 waittime = param_get32ex(Cmd, cmdp + 1, 0, 10);
 | |
|                 cmdp += 2;
 | |
|                 break;
 | |
|             default:
 | |
|                 PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 | |
|                 errors = true;
 | |
|                 break;
 | |
|         }
 | |
|     }
 | |
|     //Validations
 | |
|     if (errors) {
 | |
|         usage_usart_rxhex();
 | |
|         return PM3_EINVARG;
 | |
|     }
 | |
| 
 | |
|     uint8_t data[PM3_CMD_DATA_SIZE] = {0x00};
 | |
|     size_t len = 0;
 | |
|     int ret = usart_rx(data, &len, waittime);
 | |
|     if (ret != PM3_SUCCESS)
 | |
|         return ret;
 | |
| 
 | |
|     print_hex_break(data, len, 32);
 | |
|     return PM3_SUCCESS;
 | |
| }
 | |
| 
 | |
| static command_t CommandTable[] = {
 | |
|     {"help",         CmdHelp,            AlwaysAvailable,          "This help"},
 | |
|     {"btpin",        CmdUsartBtPin,      IfPm3FpcUsartFromUsb,     "Change BT add-on PIN"},
 | |
|     {"btfactory",    CmdUsartBtFactory,  IfPm3FpcUsartFromUsb,     "Reset BT add-on to factory settings"},
 | |
|     {"tx",           CmdUsartTX,         IfPm3FpcUsartDevFromUsb,  "Send string over USART"},
 | |
|     {"rx",           CmdUsartRX,         IfPm3FpcUsartDevFromUsb,  "Receive string over USART"},
 | |
|     {"txrx",         CmdUsartTXRX,       IfPm3FpcUsartDevFromUsb,  "Send string over USART and wait for response"},
 | |
|     {"txhex",        CmdUsartTXhex,      IfPm3FpcUsartDevFromUsb,  "Send bytes over USART"},
 | |
|     {"rxhex",        CmdUsartRXhex,      IfPm3FpcUsartDevFromUsb,  "Receive bytes over USART"},
 | |
|     {"config",       CmdUsartConfig,     IfPm3FpcUsartDevFromUsb,  "Configure USART"},
 | |
| //    {"bridge",       CmdUsartBridge,     IfPm3FpcUsartDevFromUsb,  "Bridge USB-CDC & USART"},
 | |
|     {NULL, NULL, NULL, NULL}
 | |
| };
 | |
| 
 | |
| static int CmdHelp(const char *Cmd) {
 | |
|     (void)Cmd; // Cmd is not used so far
 | |
|     CmdsHelp(CommandTable);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| int CmdUsart(const char *Cmd) {
 | |
|     clearCommandBuffer();
 | |
|     return CmdsParse(CommandTable, Cmd);
 | |
| }
 |