BUG: don't try to fix things that ain't broken.. or not. My try for a fix ended up making the PrintAndLog function stop working. Just by calling a fclose.. fixed.

armsrc/appmain.c

@@ -674,6 +674,7 @@ void UsbPacketReceived(uint8_t *packet, int len)
 		case CMD_SIMULATE_TAG_125K:
 			LED_A_ON();
 			SimulateTagLowFrequency(c->arg[0], c->arg[1], 0);
+			 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 			LED_A_OFF();
 			break;
 		case CMD_LF_SIMULATE_BIDIR:

armsrc/lfops.c

@@ -449,6 +449,12 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc)
 	DbpString("Now use tiread to check");
 }
 
+
+        
+// PIO_CODR = Clear Output Data Register
+// PIO_SODR = Set Output Data Register
+//#define LOW(x)	 AT91C_BASE_PIOA->PIO_CODR = (x)
+//#define HIGH(x)	 AT91C_BASE_PIOA->PIO_SODR = (x)
 void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
 {
 	int i = 0;
@@ -456,76 +462,64 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
 
 	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
-	//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_PASSTHRU);
 	
 	// Connect the A/D to the peak-detected low-frequency path.
-	//SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
+	SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
+
+	// Now set up the SSC to get the ADC samples that are now streaming at us.
+	FpgaSetupSsc();
 	
 	// Configure output and enable pin that is connected to the FPGA (for modulating)
-	AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;    
+	// AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK; // (PIO_PER) PIO Enable Register
-	AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT;    // (PIO_PER) PIO Enable Register , 
+	// AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;    // (PIO_OER) Output Enable Register
-	AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;    // (PIO_OER) Output Enable Register
+	// AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;     // (PIO_ODR) Output Disable Register
-	AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;     // (PIO_ODR) Output Disable Register
 
-	// Give it a bit of time for the resonant antenna to settle.
+	AT91C_BASE_PIOA->PIO_OER = GPIO_PCK0;
-	SpinDelay(150);
-	
-	while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)); // wait for ssp_clk to go high
-	while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK);    // wait for ssp_clk to go low
 	
  	while(!BUTTON_PRESS()) { 
 		WDT_HIT();
 
 		// PIO_PDSR = Pin Data Status Register  
 		// GPIO_SSC_CLK  = SSC Transmit Clock
-		while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {    // wait for ssp_clk to go high
+		// wait ssp_clk == high
+		while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {  
 			 if(BUTTON_PRESS()) {
 				 DbpString("Stopped at 0");
-				 FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
 				 return;
 			 }
 			 WDT_HIT();
 		}
 		
-		// PIO_CODR = Clear Output Data Register
-		// PIO_SODR = Set Output Data Register
-		//#define LOW(x)	 AT91C_BASE_PIOA->PIO_CODR = (x)
-		//#define HIGH(x)	 AT91C_BASE_PIOA->PIO_SODR = (x)
-		
 		if ( buf[i] > 0 ){
-			HIGH(GPIO_SSC_DOUT);
+			OPEN_COIL();
-			//FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
-			//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_PASSTHRU);
 		} else {
-			LOW(GPIO_SSC_DOUT);
+			SHORT_COIL();
-			//FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); 
 		}
 	   
-		 while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {   // wait for ssp_clk to go low
+	   DbpString("Enter Sim3");
+	    // wait ssp_clk == low
+		 while( (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) ) {  
 			 if(BUTTON_PRESS()) {
-				DbpString("Stopped at 1");
+				DbpString("stopped at 1");
-				FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
 				return;
 			}
 			WDT_HIT();
 		}
 		
+		DbpString("Enter Sim4 ");
 		//SpinDelayUs(512);
 		
 		++i;
 		if(i == period) {
 			i = 0;
 			if (gap) {
-				// turn of modulation
+				SHORT_COIL();
-				LOW(GPIO_SSC_DOUT);
-				// wait
 				SpinDelay(gap);				
 			} 
 		}
 	}
 	DbpString("Stopped");
-	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	return;
 }
 

client/cmdlfem4x.c

@@ -196,7 +196,7 @@ retest:
  */
 int CmdEM410xSim(const char *Cmd)
 {	
-	int i, n, j, h, binary[4], parity[4];
+	int i, n, j, binary[4], parity[4];
 
 	char cmdp = param_getchar(Cmd, 0);
 	uint8_t uid[5] = {0x00};
@@ -222,9 +222,6 @@ int CmdEM410xSim(const char *Cmd)
   /* clear our graph */
   ClearGraph(0);
   
-  /* write it out a few times */
-  //for (h = 0; h < 4; h++)
-  //{
     /* write 9 start bits */
     for (i = 0; i < 9; i++)
       AppendGraph(0, clock, 1);
@@ -262,9 +259,7 @@ int CmdEM410xSim(const char *Cmd)
 
   /* stop bit */
   AppendGraph(0, clock, 0);
-  //}
  
-  /* modulate that biatch */
   //CmdManchesterMod("64");
 
   /* booyah! */

client/scripting.c

@@ -269,7 +269,7 @@ static int l_crc16(lua_State *L)
 	size_t size;
 	const char *p_str = luaL_checklstring(L, 1, &size);
 		
-	unsigned short retval = crc16_ccitt( p_str, size);
+	uint16_t retval = crc16_ccitt( (uint8_t*) p_str, size);
     lua_pushinteger(L, (int) retval);
     return 1;
 }

client/ui.c

@@ -79,7 +79,6 @@ void PrintAndLog(char *fmt, ...)
 		vfprintf(logfile, fmt, argptr2);
 		fprintf(logfile,"\n");
 		fflush(logfile);
-		fclose(logfile);  // ICEMAN,  this logfile is never closed?!?
 	}
 	va_end(argptr2);