X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4460be68c36b9545a493d4e4479cd0bb14a576cd..62d0bbf62f5bd3c1da25ee2adf60d3b4efe24cc8:/armsrc/lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 642b1937..8e9c03a6 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -91,6 +91,7 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t periods, uint3
 */
 void ReadTItag(void)
 {
+	StartTicks();
 	// some hardcoded initial params
 	// when we read a TI tag we sample the zerocross line at 2Mhz
 	// TI tags modulate a 1 as 16 cycles of 123.2Khz
@@ -216,6 +217,7 @@ void ReadTItag(void)
 			DbpString("Info: CRC is good");
 		}
 	}
+	StopTicks();
 }
 
 void WriteTIbyte(uint8_t b)
@@ -282,7 +284,7 @@ void AcquireTiType(void)
 	HIGH(GPIO_SSC_DOUT);
 
 	// Charge TI tag for 50ms.
-	SpinDelay(50);
+	WaitMS(50);
 
 	// stop modulating antenna and listen
 	LOW(GPIO_SSC_DOUT);
@@ -322,6 +324,7 @@ void AcquireTiType(void)
 // if not provided a valid crc will be computed from the data and written.
 void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
 {
+	StartTicks();
 	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 	if(crc == 0) {
 		crc = update_crc16(crc, (idlo)&0xff);
@@ -360,7 +363,7 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
 
 	// modulate antenna
 	HIGH(GPIO_SSC_DOUT);
-	SpinDelay(50);	// charge time
+	WaitMS(50);	// charge time
 
 	WriteTIbyte(0xbb); // keyword
 	WriteTIbyte(0xeb); // password
@@ -377,7 +380,7 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
 	WriteTIbyte(0x00); // write frame lo
 	WriteTIbyte(0x03); // write frame hi
 	HIGH(GPIO_SSC_DOUT);
-	SpinDelay(50);	// programming time
+	WaitMS(50);	// programming time
 
 	LED_A_OFF();
 
@@ -386,63 +389,69 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
 
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	DbpString("Now use `lf ti read` to check");
+	StopTicks();
 }
 
 void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
 {
 	int i = 0;
-	uint8_t *tab = BigBuf_get_addr();
-
-	StartTicks();
-
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
+	uint8_t *buf = BigBuf_get_addr();
 
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
+	//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
+	//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_TOGGLE_MODE );
+	SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
+	
 	AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
 	AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
 	AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
 
+	// power on antenna
+	// OPEN_COIL();
+	// SpinDelay(50);
+		
 	for(;;) {
 		WDT_HIT();
 
 		if (ledcontrol) LED_D_ON();
 				
-		//wait until SSC_CLK goes HIGH
+		// wait until SSC_CLK goes HIGH
+		// used as a simple detection of a reader field?
 		while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
 			WDT_HIT();
-			if ( usb_poll_validate_length() || BUTTON_PRESS() ) {
-				FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-				LED_D_OFF();
-				return;				
-			}
+			if ( usb_poll_validate_length() || BUTTON_PRESS() )
+				goto OUT;
 		}
 		
-		if(tab[i])
+		if(buf[i])
 			OPEN_COIL();
 		else
 			SHORT_COIL();
-
-		if (ledcontrol) LED_D_OFF();
-		
+	
 		//wait until SSC_CLK goes LOW
 		while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
 			WDT_HIT();
-			if ( usb_poll_validate_length() || BUTTON_PRESS() ) {
-				FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-				LED_D_OFF();
-				return;				
-			}
+			if ( usb_poll_validate_length() || BUTTON_PRESS() )
+				goto OUT;
 		}
-
+				
 		i++;
 		if(i == period) {
 			i = 0;
 			if (gap) {
 				WDT_HIT();
 				SHORT_COIL();
-				WaitUS(gap);
+				SpinDelayUs(gap);
 			}
 		}
+		
+		if (ledcontrol) LED_D_OFF();
 	}
+OUT: 
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	LED_D_OFF();
+	DbpString("Simulation stopped");
+	return;	
 }
 
 #define DEBUG_FRAME_CONTENTS 1
@@ -845,13 +854,14 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 				if (ledcontrol)	LED_A_OFF();
 				*high = hi;
 				*low = lo;
-				return;
+				break;
 			}
 			// reset
 		}
 		hi2 = hi = lo = idx = 0;
 		WDT_HIT();
 	}
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	DbpString("Stopped");
 	if (ledcontrol) LED_A_OFF();
 }
@@ -948,13 +958,14 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 					}
 					break;		
 			}
-			if (findone){
-				if (ledcontrol)	LED_A_OFF();
-				return;
-			}
+			if (findone)
+				break;
+
 		idx = 0;
 		WDT_HIT();
 	}
+
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);	
 	DbpString("Stopped");
 	if (ledcontrol) LED_A_OFF();
 }
@@ -1009,13 +1020,14 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
 				if (ledcontrol) LED_A_OFF();
 				*high=lo>>32;
 				*low=lo & 0xFFFFFFFF;
-				return;
+				break;
 			}
 		}
 		WDT_HIT();
 		hi = lo = size = idx = 0;
 		clk = invert = errCnt = 0;
 	}
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);		
 	DbpString("Stopped");
 	if (ledcontrol) LED_A_OFF();
 }
@@ -1065,15 +1077,15 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 			// Checksum: 0x75
 			//XSF(version)facility:codeone+codetwo
 			//Handle the data
-			if(findone){ //only print binary if we are doing one
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx],   dest[idx+1],   dest[idx+2],dest[idx+3],dest[idx+4],dest[idx+5],dest[idx+6],dest[idx+7],dest[idx+8]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+9], dest[idx+10],dest[idx+11],dest[idx+12],dest[idx+13],dest[idx+14],dest[idx+15],dest[idx+16],dest[idx+17]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+18],dest[idx+19],dest[idx+20],dest[idx+21],dest[idx+22],dest[idx+23],dest[idx+24],dest[idx+25],dest[idx+26]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+27],dest[idx+28],dest[idx+29],dest[idx+30],dest[idx+31],dest[idx+32],dest[idx+33],dest[idx+34],dest[idx+35]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+36],dest[idx+37],dest[idx+38],dest[idx+39],dest[idx+40],dest[idx+41],dest[idx+42],dest[idx+43],dest[idx+44]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+45],dest[idx+46],dest[idx+47],dest[idx+48],dest[idx+49],dest[idx+50],dest[idx+51],dest[idx+52],dest[idx+53]);
-				Dbprintf("%d%d%d%d%d%d%d%d %d%d",dest[idx+54],dest[idx+55],dest[idx+56],dest[idx+57],dest[idx+58],dest[idx+59],dest[idx+60],dest[idx+61],dest[idx+62],dest[idx+63]);
-			}
+			// if(findone){ //only print binary if we are doing one
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx],   dest[idx+1],   dest[idx+2],dest[idx+3],dest[idx+4],dest[idx+5],dest[idx+6],dest[idx+7],dest[idx+8]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+9], dest[idx+10],dest[idx+11],dest[idx+12],dest[idx+13],dest[idx+14],dest[idx+15],dest[idx+16],dest[idx+17]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+18],dest[idx+19],dest[idx+20],dest[idx+21],dest[idx+22],dest[idx+23],dest[idx+24],dest[idx+25],dest[idx+26]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+27],dest[idx+28],dest[idx+29],dest[idx+30],dest[idx+31],dest[idx+32],dest[idx+33],dest[idx+34],dest[idx+35]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+36],dest[idx+37],dest[idx+38],dest[idx+39],dest[idx+40],dest[idx+41],dest[idx+42],dest[idx+43],dest[idx+44]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+45],dest[idx+46],dest[idx+47],dest[idx+48],dest[idx+49],dest[idx+50],dest[idx+51],dest[idx+52],dest[idx+53]);
+				// Dbprintf("%d%d%d%d%d%d%d%d %d%d",dest[idx+54],dest[idx+55],dest[idx+56],dest[idx+57],dest[idx+58],dest[idx+59],dest[idx+60],dest[idx+61],dest[idx+62],dest[idx+63]);
+			// }
 			code = bytebits_to_byte(dest+idx,32);
 			code2 = bytebits_to_byte(dest+idx+32,32);
 			version = bytebits_to_byte(dest+idx+27,8); //14,4
@@ -1094,7 +1106,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 				if (ledcontrol)	LED_A_OFF();
 				*high=code;
 				*low=code2;
-				return;
+				break;
 			}
 			code=code2=0;
 			version=facilitycode=0;
@@ -1103,6 +1115,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 
 		WDT_HIT();
 	}
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);		
 	DbpString("Stopped");
 	if (ledcontrol) LED_A_OFF();
 }